The present disclosure relates to a thermally controlled electrical energy storage device, comprising a plurality of electrical cells having at least three sides, a wafer, a cathode and an anode located on one or both sides. The device comprises a first heat exchange device comprising a heat pipe in heat exchange with the cells and a cold source of at least one second heat exchange device, the heat pipe having a body incorporating channels containing a heat-carrying substance and presenting a vaporization portion of the heat-carrying substance, a condensation portion located higher than the vaporization portion, and a curved portion between the vaporization portion and the condensation portion. The edge of each cell is located along the vaporization and condensation portions of the channels, with the cathode and/or anode of each cell facing the vaporization or condensation portion of the channels.
Systems are provided for a fluid distribution system of for reconfigurable thermal management. In one example, a fluid distribution system comprises a fluid manifold that includes a plurality of sections with a plurality of inlet and outlet ports, and a pilot assembly including a plurality of manifold sections, a plurality of selectively couplable fluid chambers, and a plurality of solenoid-actuated pilot valve assemblies. The plurality of solenoid-actuated pilot valve assemblies control fluid flow through the plurality of selectively couplable fluid chambers by controlling pressure differential across a plurality of main diaphragms.
A heat exchanger in a system and manufacturing method for the heat exchanger. The heat exchanger includes an alignment rib positioned in a stack of plates. The alignment rib includes multiple non-circular protrusions that mate with openings in adjoining plates in the stack of plates.
Systems are provided for a cooling system for an electric device. In one example, a system includes a metallic plate coupled to a circuit board and a coolant manifold. The coolant manifold comprises a semi-open coolant channel configured to flow coolant in contact with the metallic plate.
A cooler assembly, comprising: a heat exchanger with a heat exchanger surface having a dielectric layer of dielectric material physically coupled thereto, wherein a single or plurality of layers of another material are coupled to an exposed surface of the dielectric layer; and at least one component coupled to the heat exchanger such that the at least one component is electrically isolated from the heat exchanger surface by the dielectric material, wherein the heat exchanger surface is electrically isolated with respect to the at least one component.
H05K 3/12 - Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using printing techniques to apply the conductive material
6.
BATTERY COOLING UNIT INTERMEDIATE PLATE WITH CONTINUOUS AND DISCONTINUOUS RIBS
A battery heat exchanger for a vehicle may include a first outer plate; a second outer plate positioned in parallel with the first outer plate; a fluid inlet; a fluid outlet; and an intermediate plate positioned between the first outer plate and the second outer plate, the intermediate plate comprising a rib to separate an inlet portion from an outlet portion of the heat exchanger; and a plurality of corrugations with openings for thermal exchange medium fluid flow, where the corrugations have different orientations and lengths.
A heat exchanger for thermal management of battery units made-up of plurality of battery cells or battery cell containers housing one or more battery cells. The heat exchanger has a main body portion defining at least one primary heat transfer surface for surface-to-surface contact with a corresponding surface of at least one of the battery cells or containers. A plurality of alternating first and second fluid flow passages are formed within the main body portion each defining a flow direction, the flow direction through the first fluid flow passages being generally opposite to the flow direction through the second fluid flow passages providing a counter-flow heat exchanger. In some embodiments the heat exchanger has two pairs of inlet and outlet manifolds, the heat exchanger providing a single-pass, counter-flow arrangement. In other embodiments the first and second fluid flow passages are interconnected by turn portions forming a U-flow, counter-flow heat exchanger.
Systems are provided for a power electronics cooling assembly. In one example, a system for a power electronics cooling assembly includes: a first cooling plate, a mounting plate, the mounting plate having mounting points to be attached to a housing, an electronic module disposed between the first cooling plate and the mounting plate, and a spring bracket applying force towards the first cooling plate, the spring bracket having mounting points aligned with the mounting points of the mounting plate.
A modular heat exchanger for battery thermal management having a plurality of similarly constructed heat exchange elements affixed to a cover plate and fluidly coupled with one another via a single external manifold structure that functions as both an inlet manifold and an outlet manifold for each of the heat exchange elements. Rigidity is improved with alternating tabs or overlapping tabs between adjacent elements, and/or side edges between adjacent elements having cutouts for receiving stiffening ribs formed in the cover plate. The external manifold structure provides additional stiffening for the interconnected heat exchange elements.
In one example, a proportioning valve, comprises a valve body, a first fitting coupled to the valve body, a second fitting coupled to the valve body, and a third fitting coupled to the valve body, where the second fitting and the third fitting each extend in parallel to the first fitting. In one example, an inner bore of the valve body is substantially cylindrical. In one example, the first fitting is an outlet fitting, the second fitting is a first inlet fitting, and the third fitting is a second inlet fitting. In another example, the first fitting is an inlet fitting, the second fitting is a first outlet fitting, and the third fitting is a second outlet fitting. In one example, the valve body includes a flow diverter positioned within the valve body.
F16K 11/085 - Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves; Arrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
F16K 31/04 - Operating means; Releasing devices magnetic using a motor
Systems are provided for a heat exchanger assembly. In one example the system may include a top plate, a fluid inlet and a fluid outlet, a bottom plate coupled to the top plate, a perforated plate positioned between the top plate and the bottom plate having an underside facing the bottom plate and including perforations shaped to generate an impingement jet onto the bottom plate, and at least one of the following: the top plate comprising a portion being inclined with respect to a longitudinal axis of the heat exchanger assembly; the perforated plate being inclined with respect to the longitudinal axis or a lateral axis of the heat exchanger assembly; and the heat exchanger assembly further comprising a flow control plate.
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
H01L 23/473 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing liquids
12.
ULTRA THIN TWO PHASE HEAT EXCHANGERS WITH STRUCTURAL WICK
Methods and system are provided for a heat exchanger. In one example, a system, comprises a mobile electronic device comprising a front cover and a rear cover, a heat exchanger arranged between the front cover and the rear cover, the heat exchanger comprising a fluid chamber arranged between an inner surface of a first plate and an inner surface of a second plate, and a wick material arranged within the fluid chamber, the wick material comprising a sintered material configured to allow a plurality of fluid passages to extend therethrough.
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
F28D 15/04 - Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls in which the medium condenses and evaporates, e.g. heat-pipes with tubes having a capillary structure
B22F 7/00 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting
B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor
13.
High-performance heat exchanger with calibrated bypass
A heat exchanger assembly includes a cooling plate with at least one outer heat transfer surface adapted for thermal contact with one or more heat-generating substrates. A fluid flow path extends from an inlet port to an outlet port, with a plurality of cooling zones spaced apart along the fluid flow path, each cooling zone including a heat transfer element such as a corrugated fin sheet in contact with the inner surface of the first plate wall. Manifold spaces are defined proximate to the inlet and outlet ports, and between adjacent cooling zones. One or more bypass flow passages are provided between upstream and downstream ends of at least one cooling zone, to divert a portion of the heat transfer fluid from flowing through the cooling zone. The volume of fluid flow bypassing one or more cooling zones is calibrated to improve temperature uniformity of the heat-generating substrates.
A two-pass heat exchanger with calibrated bypass is disclosed for cooling heat-generating substrates and/or for heating a heat transfer fluid. The heat exchanger has first and second outer plate walls and an intermediate plate wall located between and spaced from the outer plate walls in the thickness dimension of the heat exchanger, and with inlet and outlet ports at the same end. An input flow passage is defined between the first outer plate wall and the intermediate plate wall, and a return flow passage is defined between the second outer plate wall and the intermediate plate wall. The first and second fluid flow passages are in a U-flow, stacked arrangement. At least one bypass opening extends through the intermediate plate wall between the input and return flow passages, and configured to permit a portion of the heat transfer fluid to bypass portions of the input and return flow passages.
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 3/02 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
H01L 23/473 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing liquids
Methods and systems are provided for a refrigerant-based battery cooling plate. In one example, the cooling plate may be configured with a plurality of fluid channels configured with non-uniform diameters. The cooling plate may further include a plurality of mixing conduits extending between fluid channels.
A heat exchanger such as a cold plate or ICE plate has an integrated electric heating element provided on an external heater support surface of the heat exchanger. The external heater support surface is directly opposite to an internal surface of the heat exchanger which at least partly defines one or both of the inlet manifold and the outlet manifold. A thermal management system for a vehicle having a plurality of rechargeable battery units includes a circulation loop for circulating a first volume of the heat transfer fluid, and a plurality of battery heat exchangers, including a first heat exchanger with an integrated electric heating element. A sub-loop of the circulation loop includes the internal fluid flow passage of the first heat exchanger, and is adapted for a second, smaller volume of the heat transfer fluid.
B60L 58/26 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
F28D 1/03 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 3/02 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
F28F 3/12 - Elements constructed in the shape of a hollow panel, e.g. with channels
F28F 3/14 - Elements constructed in the shape of a hollow panel, e.g. with channels by separating portions of a pair of joined sheets to form channels, e.g. by inflation
H01M 6/50 - Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
H01M 10/60 - Heating or cooling; Temperature control
A heat exchanger for thermal management of battery units made-up of a plurality of battery cells or battery cell containers housing one or more battery cells. The heat exchanger has a main body portion defining at least one primary heat transfer surface for surface-to-surface contact with a corresponding surface of at least one of the battery cells or containers. A plurality of alternating first and second fluid flow passages are formed within the main body portion each defining a flow direction, the flow direction through the first fluid flow passages being generally opposite to the flow direction through the second fluid flow passages. In some embodiments the heat exchanger has two pairs of inlet and outlet manifolds, providing a single-pass, counter-flow arrangement. In other embodiments the first and second fluid flow passages are interconnected by turn portions forming a U-flow, counter-flow heat exchanger.
A heat exchanger includes a fluid flow passage with a wavy fin turbulizer. The turbulizer includes sidewalls extending lengthwise along a fluid flow direction between its first and second ends, and the sidewalls are spaced apart across the width of the turbulizer. Each flow channel of the turbulizer is defined between two adjacent sidewalls. Each sidewall has a smoothly and continuously curved profile with repeating wave forms being defined along the length of the turbulizer. The continuously curved profile of the sidewalls is defined by a non-circular shape, such as elliptical, sinusoidal, parabolic and hyperbolic shapes. The radius of curvature changes constantly and reaches a maximum at or near the inflection point between adjacent crests and troughs of the profile, to provide improved particle pass-through, lower pressure drop, and enhanced plateability of internal surfaces.
F28F 13/12 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
F28F 3/02 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
19.
Modular heat exchangers for battery thermal modulation
A modular heat exchanger for battery thermal management having a plurality of similarly constructed heat exchange elements affixed to a cover plate and fluidly coupled with one another via a single external manifold structure that functions as both an inlet manifold and an outlet manifold for each of the heat exchange elements. Rigidity is improved with alternating tabs or overlapping tabs between adjacent elements, and/or side edges between adjacent elements having cutouts for receiving stiffening ribs formed in the cover plate. The external manifold structure provides additional stiffening for the interconnected heat exchange elements.
A heat exchanger assembly includes a cooling plate with at least one outer heat transfer surface adapted for thermal contact with one or more heat-generating substrates. A fluid flow path extends from an inlet port to an outlet port, with a plurality of cooling zones spaced apart along the fluid flow path, each cooling zone including a heat transfer element such as a corrugated fin sheet in contact with the inner surface of the first plate wall. Manifold spaces are defined proximate to the inlet and outlet ports, and between adjacent cooling zones. One or more bypass flow passages are provided between upstream and downstream ends of at least one cooling zone, to divert a portion of the heat transfer fluid from flowing through the cooling zone. The volume of fluid flow bypassing one or more cooling zones is calibrated to improve temperature uniformity of the heat-generating substrates.
A heat exchanger includes first and second plates between which a fluid flow passage is defined, through-holes defining inlet and outlet ports, and through fittings having first and second segments. Each segment includes a tube portion extending through one of the holes and a flange portion located inside the fluid flow passage. The flange portion of each segment has opposed first and second surfaces, the first surface joined to the inner surface of one of the plates in a fluid-tight manner. The second surfaces of both segments face each other, and at least second surface has one or more channels providing fluid flow from the hollow interior to the fluid flow passage. The second surfaces of the segments are in contact or closely apart from one another, the flange portions of the first and second segments providing support for the first and second plates in the area surrounding the ports.
F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
F28F 3/12 - Elements constructed in the shape of a hollow panel, e.g. with channels
A heat exchanger assembly includes first and second heat exchangers integrated with a thermally actuated control valve assembly having first and second surfaces to which the first and heat exchangers are attached at various orientations to each other, including at 90 and 180 degrees to each other, and side-by-side. The valve assembly has two fluid ports for connection to an external fluid source, and two fluid ports in fluid communication with inlet and outlet manifolds of each heat exchanger. The heat exchangers may be a transmission oil heater and a transmission oil cooler, and the valve assembly controls the flow of transmission oil to the heat exchangers depending on the oil temperature. One or both of the heat exchangers may be brazed or mechanically secured to the valve assembly. The housing of valve assembly may be segmented, with each heat exchanger being brazed to one of the segments.
F28F 27/02 - Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
A heat exchanger adapted to support a plurality of battery cells on the outer surface thereof is disclosed. The heat exchanger includes first and second plates disposed in opposed, facing relation to one another such that portions of the inner surface of the first and second plates are spaced apart from one another. A manifold region is enclosed between the first and second plates for receiving an incoming heat transfer fluid. A main fluid flow region is enclosed between the first and second plates and is configured for receiving heat transfer fluid discharged from the manifold region and transmitting the heat transfer fluid through the heat exchanger to an outlet port. At least one bypass port for establishing fluid communication between the manifold region and the main fluid flow region is disposed at a location within the manifold region that is upstream of the manifold region outlet end.
F28D 1/03 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
H01M 10/6556 - Solid parts with flow channel passages or pipes for heat exchange
H01M 10/6568 - Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
F28F 3/12 - Elements constructed in the shape of a hollow panel, e.g. with channels
F28F 13/06 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
24.
Heat exchanger with parallel flow features to enhance heat conduction
A cold plate heat exchanger for battery thermal management has first and second plates defining a plurality of fluid flow passages, with inlet and outlet ports proximate to a first end thereof. Each fluid flow passage has first and second ends communicating with respective inlet and outlet ports. One or more portions of each fluid flow passage are immediately adjacent to and in close proximity to a portion of another fluid flow passage or channel, such that heat energy will be transferred by conduction through the first and second plates between the fluid flow passages or channels, thereby providing enhanced heat transfer. The fluid flow passages or channels may be separated by a distance which is less than a width of one of the fluid flow passages or channels, and may be separated by a single rib which partially defines each of the fluid flow passages or channels.
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
A heat exchanger includes first and second plates joined together with portions of the inner surfaces spaced apart to define a plurality of fluid flow passages for flow of a heat transfer fluid. A dividing rib separates the heat exchanger into an inlet section and an outlet section, each of which includes a plurality of fluid flow passages. Inlet and outlet ports are located near a first end of the heat exchanger, on opposite sides of the dividing rib. The heat transfer surface area of the inlet section is less than that of the outlet section due to the presence of one or more flow obstructions between the inlet port and first ends of the fluid flow passages in the inlet section. Each flow obstruction may be a dead channel including a continuous outer rib completely surrounding a depressed middle region.
H01M 10/6556 - Solid parts with flow channel passages or pipes for heat exchange
B60L 50/64 - Constructional details of batteries specially adapted for electric vehicles
B60L 58/26 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
F28D 1/03 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
F28F 3/12 - Elements constructed in the shape of a hollow panel, e.g. with channels
An aluminum heat exchanger includes first and second plates with inner and outer surfaces, which are joined by brazing and define at least one fluid flow passage. The first and second plates each comprise a core layer of aluminum or an aluminum alloy having a melting temperature greater than an aluminum brazing temperature. The first plate also includes a first outer clad layer defining the outer surface of the first plate. The first outer clad layer is solderable to a metal layer of an object to be cooled and includes nickel or copper. A second outer clad layer is located between the first outer clad layer and the core layer and is roll bonded to at least the second outer clad layer. A manufacturing method includes brazing first and second plates, where the layers of the first plate are roll bonded and the first plate is optionally formed before brazing.
F28F 21/08 - Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
B23K 1/00 - Soldering, e.g. brazing, or unsoldering
H01L 23/473 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing liquids
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
H01L 21/48 - Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the groups
A heat exchanger has a pair of opposed walls and an interior space between the walls, and first and second areas located on opposite sides of a longitudinal axis, each adapted for thermal contact with a battery cell. Inlet and outlet ports are provided in the respective first and second areas, and a flow barrier extends along the longitudinal axis and separates the first and second areas. Fluid flow passages are defined in the first and second areas. A first crossover passage extends across the longitudinal axis from the inlet port to an inlet flow passage in the second area. A second crossover passage extends across the longitudinal axis from an outlet flow passage in the first area to the outlet port. A crossover housing is provided inside or outside the interior space and extends across the longitudinal axis, enclosing at least one of the first and second crossover passages.
F28F 3/12 - Elements constructed in the shape of a hollow panel, e.g. with channels
F28D 1/03 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
Methods and systems are provided for heat exchangers including a first outer plate, a second outer plate, and an intermediate plate. The intermediate plate is positioned between the outer plates. Fluid flow passages are formed between the intermediate plate and each of the outer plates.
F28D 1/03 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
29.
Multi-sided thermal management device for electronic apparatus
An LED device includes a multi-sided heat spreader element with a longitudinal multi-sided wall at least partly enclosing an internal space, with a plurality of LEDs mounted to the outer surface the heat spreader element, and a flow space for a cooling medium in the internal space. The tubular heat spreader element has at least one layer of a thermally conductive metal which is bendable from a flat shape to the multi-sided shape. The multi-sided shape may be tubular with a smoothly curved or multi-faceted polygonal wall. The wall of the LED device may incorporate two-phase cooling elements such as vapor chambers to maintain the LEDs at a constant temperature, and may include a temperature-controlled fan unit to control the LED temperature, and also control the wavelength and frequency of light emitted by the LEDs. A method for manufacturing the LED device is also disclosed.
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices all the devices being of a type provided for in the same subgroup of groups , or in a single subclass of , , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
F21V 29/70 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
F21K 9/238 - Arrangement or mounting of circuit elements integrated in the light source
H01J 7/24 - Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
30.
Heat exchanger with integrated electrical heating element
A heat exchanger has a fluid flow passage having an inlet and an outlet, and with a first plate and a second plate in opposed facing relation to one another. The fluid flow passage is defined by a space between the inner surfaces of the first and second plates. An electrical heating element is outside the fluid flow passage and adjacent to the outer surface of the first plate, such that heat produced by the electrical heating element is transferred through the first plate to the fluid in the fluid flow passage during use of the heat exchanger. In an embodiment, the first plate has an opening to receive a heater plate component including a first plate portion having an inner surface bonded to a turbulence-enhancing insert and an outer surface bonded to the electrical heating element.
B60H 1/00 - Heating, cooling or ventilating devices
F24H 1/10 - Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
F28F 3/12 - Elements constructed in the shape of a hollow panel, e.g. with channels
31.
Apparatus for thermal management of electronic components
An electronic device includes a heat-generating electronic component, a heat spreader and a heat sink. The heat spreader has an area at least about 4 times greater than the heat-generating component. A first surface of the heat spreader is in thermal contact with the first surface of the heat-generating component along a first, non-dielectric interface. The heat sink has greater mass than the heat spreader and comprises one or more layers of thermally conductive material. A first surface of the heat sink is in thermal contact with the second surface of the heat spreader along a second interface having greater area than the first interface. Dielectric thermal interface material is provided at the second interface in direct contact with the heat spreader and the heat sink, such that the second interface is dielectric.
An electrically actuated valve is provided. The electrically actuated valve includes a valve housing comprising a valve chamber and a first and second port in fluidic communication with the valve chamber. The electrically actuated valve further comprises a valve sealing component including a cap sealing section adjacent to an opening in the valve housing and a valve seat arranged within the valve chamber between the first port and the second port and a plunger configured to couple to a solenoid piston and including a proximal seal configured to selectively sealingly interface with the valve seat.
A heat transfer surface for use in conjunction with a heat exchanger is disclosed. The heat transfer surface a corrugated member where rows of corrugations that are offset relative to each other forming at least an alternating series of first and second rows or first, second and third rows. In some embodiments the heat transfer surface includes a heat transfer enhancement feature disposed within individual corrugations of the corrugated member to provide a more turbulent or tortuous fluid flow path through the heat transfer surface. In some example embodiments the heat transfer enhancement feature is a ridge disposed in the planar portions of at least some of the rows of corrugations. In other example embodiments the planar fin portions are porous fin surfaces. In other embodiments, the corrugated member cooperates with heat transfer enhancement features in the form of triangular protuberances disposed on their inner surfaces of spaced apart plates.
F28D 1/03 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
F28F 3/02 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
A vehicle heating/cooling system has first and second fluid circulation loops for circulating engine coolant and automotive fluid. A first heat exchanger transfers heat from the coolant to air for the passenger compartment. A second heat exchanger transfers heat between the coolant and automotive fluid. A first valve has first and second inlets for receiving coolant from hot and cold coolant sources, and an outlet for discharging coolant to the second heat exchanger. A second valve has an inlet for receiving coolant from the first coolant source, and an outlet for discharging coolant to the first inlet of the first valve. The valve positions change with temperature of the coolant and the automotive fluid, providing preferential heating of the passenger compartment during cold start-up of the vehicle. The second heat exchanger and valves may be provided in a temperature control module.
F01P 7/16 - Controlling of coolant flow the coolant being liquid by thermostatic control
B60H 1/00 - Heating, cooling or ventilating devices
B60H 1/03 - Heating, cooling or ventilating devices the heat being derived from the propulsion plant and from a source other than the propulsion plant
F01P 3/18 - Arrangement or mounting of liquid-to-air heat-exchangers
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F01P 7/14 - Controlling of coolant flow the coolant being liquid
35.
Heat exchanger assembly with integrated valve and pressure bypass
An assembly includes a valve integration unit attached to a transmission oil heater. The valve integration unit includes a valve mechanism and a housing having first to sixth fluid ports for oil input and output. The interior space of the housing has a valve chamber to receive a thermal valve mechanism has a temperature responsive actuator. A bypass flow passage is located outside the heat exchanger and is in fluid communication with oil inlet and outlet manifolds through first and second bypass holes provided in the heat exchanger.
F28F 27/02 - Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
36.
Heat exchanger module with an adapter module for direct mounting to a vehicle component
A heat exchanger module adapted for being mounted directly to the outer surface of the housing of an automobile system component, such as a transmission or engine housing, is provided. The heat exchanger module has a heat exchanger fixedly attached to an adapter module. The adapter module contains one of more fluid transfer channels and includes a portion that extends outwardly beyond the footprint of the heat exchanger. The adapter module is comprised of a first embossed plate that is sealed with a second plate, which may also be embossed. The embossments provide fluid transfer channels and also perform as structural ribs to enhance the rigidity of the adapter module.
Methods and systems are provided for a heat exchanger. In one example, the heat exchanger may dissipate energy generated by a battery module and may include a first plate and a second plate arranged in opposed facing relation to one another. A plurality of flow passages may be formed between the first and second plates, the plurality of flow passages including at least one multipass fluid flow passage with at least three longitudinally-extending legs.
F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
F28F 3/14 - Elements constructed in the shape of a hollow panel, e.g. with channels by separating portions of a pair of joined sheets to form channels, e.g. by inflation
F28D 1/03 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
B60L 58/27 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
F28F 3/12 - Elements constructed in the shape of a hollow panel, e.g. with channels
H01M 10/6556 - Solid parts with flow channel passages or pipes for heat exchange
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
B60L 58/26 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
H01M 10/6568 - Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
B60L 50/50 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
F28D 9/02 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the heat-exchange media travelling at an angle to one another
H01M 10/60 - Heating or cooling; Temperature control
B60L 50/60 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
A heat exchanger may include a perforated plate having a plurality of openings sandwiched between a first plate and a second plate. The first plate may have a first plate central planar surface, a first plate peripheral wall extending from an internal face of the first plate central planar surface towards the second plate, and an inlet permitting fluid flow on to the internal face of the central planar surface. The second plate may have a second plate central planar surface, a second plate peripheral wall extending from an internal face of the second plate central planar surface towards the first plate, and an outlet permitting fluid to exit the heat exchanger. The first plate, the second plate and the perforated may be coupled and define a fluid passage for flow of a heat exchanger fluid from the inlet to the outlet.
F28F 3/02 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
F28F 3/12 - Elements constructed in the shape of a hollow panel, e.g. with channels
F28F 13/12 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
F28F 13/08 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by varying the cross-section of the flow channels
39.
Ultra thin two phase heat exchangers with structural wick
Methods and system are provided for a heat exchanger. In one example, a system, comprises a mobile electronic device comprising a front cover and a rear cover, a heat exchanger arranged between the front cover and the rear cover, the heat exchanger comprising a fluid chamber arranged between an inner surface of a first plate and an inner surface of a second plate, and a wick material arranged within the fluid chamber, the wick material comprising a sintered material configured to allow a plurality of fluid passages to extend therethrough.
F28D 15/04 - Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls in which the medium condenses and evaporates, e.g. heat-pipes with tubes having a capillary structure
B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor
F28D 15/02 - Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls in which the medium condenses and evaporates, e.g. heat-pipes
40.
Heat exchanger assembly with integrated valve with pressure relief feature for hot and cold fluids
An assembly includes a valve integration unit attached to a transmission oil heater. The valve integration unit includes a valve mechanism and a housing having first to sixth fluid ports for oil input and output. The interior space of the housing has three portions, including a second portion defining a valve chamber and a third portion defining a bypass flow passage between the first and second portions. The valve mechanism has a temperature responsive actuator and first, second and third valve members. The movement of the first and second valve members is actuated by the temperature responsive actuator. The third valve member and the third valve opening are located in the second portion of the interior space. The third valve member is actuatable in response to a pressure differential between the first and second portions of the interior space.
F01P 5/10 - Pumping liquid coolant; Arrangements of coolant pumps
F01M 5/00 - Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
F28F 27/02 - Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
A heat exchanger for cooling multiple rows of battery cells has a plurality of longitudinal flow sections defining at least first and second U-shaped flow areas, each underlying a row of battery cells. The flow sections includes inlet and outlet flow sections, and at least two intermediate flow sections. Inlet and outlet ports are in flow communication with the respective inlet and outlet flow sections, and a first bypass channel extends between the inlet port and at least one of the intermediate flow sections. The first bypass channel supplies relatively cold heat transfer fluid from the inlet to mix with warmer fluid in a second or subsequent U-shaped flow area, to improve temperature uniformity between the rows of battery cells. A second bypass channel may extend around the outer periphery of the heat exchanger, from the inlet flow section to a second or subsequent U-shaped flow area.
A modular heat exchanger for battery thermal management having a plurality of similarly constructed heat exchange elements affixed to a cover plate and fluidly coupled with one another via a single external manifold structure that functions as both an inlet manifold and an outlet manifold for each of the heat exchange elements. Rigidity is improved with alternating tabs or overlapping tabs between adjacent elements, and/or side edges between adjacent elements having cutouts for receiving stiffening ribs formed in the cover plate. The external manifold structure provides additional stiffening for the interconnected heat exchange elements.
A battery cooler assembly having a frame with a pair of opposed parallel walls, with each wall having a ledge extending outwardly from the wall. A heat exchanger positioned between the walls, and having a plate pair together defining a fluid flow channel permitting fluid flow from an inlet to an outlet on the heat exchanger. One or more battery modules positioned on the heat exchanger. A plurality of support structures engage the heat exchanger and positioned between the walls; and extend from a first edge to a second end of the heat exchanger, where the first edge is proximate to one of the walls and the second edge is proximate to the other wall. The plurality of support structures engaging the one or more battery modules reducing stress on the heat exchanger.
A cold plate heat exchanger for battery thermal management has first and second plates defining a plurality of fluid flow passages, with inlet and outlet ports proximate to a first end thereof. Each fluid flow passage has first and second ends communicating with respective inlet and outlet ports. One or more portions of each fluid flow passage are immediately adjacent to and in close proximity to a portion of another fluid flow passage or channel, such that heat energy will be transferred by conduction through the first and second plates between the fluid flow passages or channels, thereby providing enhanced heat transfer. The fluid flow passages or channels may be separated by a distance which is less than a width of one of the fluid flow passages or channels, and may be separated by a single rib which partially defines each of the fluid flow passages or channels.
F28F 13/06 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
B60L 58/26 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
F15D 1/02 - Influencing the flow of fluids in pipes or conduits
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
F28F 3/12 - Elements constructed in the shape of a hollow panel, e.g. with channels
A heat exchanger adapted to support a plurality of battery cells on the outer surface thereof is disclosed. The heat exchanger includes first and second plates disposed in opposed, facing relation to one another such that portions of the inner surface of the first and second plates are spaced apart from one another. A manifold region is enclosed between the first and second plates for receiving an incoming heat transfer fluid. A main fluid flow region is enclosed between the first and second plates and is configured for receiving heat transfer fluid discharged from the manifold region and transmitting the heat transfer fluid through the heat exchanger to an outlet port. At least one bypass port for establishing fluid communication between the manifold region and the main fluid flow region is disposed at a location within the manifold region that is upstream of the manifold region outlet end.
F28F 13/06 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
B60L 58/26 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
F28F 3/12 - Elements constructed in the shape of a hollow panel, e.g. with channels
A heat exchanger includes first and second plates joined together with portions of the inner surfaces spaced apart to define a plurality of fluid flow passages for flow of a heat transfer fluid. A dividing rib separates the heat exchanger into an inlet section and an outlet section, each of which includes a plurality of fluid flow passages. Inlet and outlet ports are located near a first end of the heat exchanger, on opposite sides of the dividing rib. The heat transfer surface area of the inlet section is less than that of the outlet section due to the presence of one or more flow obstructions between the inlet port and first ends of the fluid flow passages in the inlet section. Each flow obstruction may be a dead channel including a continuous outer rib completely surrounding a depressed middle region.
F28F 13/06 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
B60L 58/26 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
F28F 3/12 - Elements constructed in the shape of a hollow panel, e.g. with channels
A heat exchanger such as a cold plate or ICE plate has an integrated electric heating element provided on an external heater support surface of the heat exchanger. The external heater support surface is directly opposite to an internal surface of the heat exchanger which at least partly defines one or both of the inlet manifold and the outlet manifold. A thermal management system for a vehicle having a plurality of rechargeable battery units includes a circulation loop for circulating a first volume of the heat transfer fluid, and a plurality of battery heat exchangers, including a first heat exchanger with an integrated electric heating element. A sub-loop of the circulation loop includes the internal fluid flow passage of the first heat exchanger, and is adapted for a second, smaller volume of the heat transfer fluid.
H01M 10/667 - Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an electronic component, e.g. a CPU, an inverter or a capacitor
48.
Thermal management systems and heat exchangers for battery thermal modulation
A heat exchanger such as a cold plate or ICE plate has an integrated electric heating element provided on an external heater support surface of the heat exchanger. The external heater support surface is directly opposite to an internal surface of the heat exchanger which at least partly defines one or both of the inlet manifold and the outlet manifold. A thermal management system for a vehicle having a plurality of rechargeable battery units includes a circulation loop for circulating a first volume of the heat transfer fluid, and a plurality of battery heat exchangers, including a first heat exchanger with an integrated electric heating element. A sub-loop of the circulation loop includes the internal fluid flow passage of the first heat exchanger, and is adapted for a second, smaller volume of the heat transfer fluid.
B60L 58/26 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 3/02 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
F28D 1/03 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
H01M 10/60 - Heating or cooling; Temperature control
H01M 10/6551 - Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
H01M 10/6568 - Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
H01M 6/50 - Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
H01M 10/6552 - Closed pipes transferring heat by thermal conductivity or phase transition, e.g. heat pipes
F28F 3/12 - Elements constructed in the shape of a hollow panel, e.g. with channels
F28F 3/14 - Elements constructed in the shape of a hollow panel, e.g. with channels by separating portions of a pair of joined sheets to form channels, e.g. by inflation
49.
Heat exchanger with multi-zone heat transfer surface
A heat exchanger with a multi-zone heat transfer surface is disclosed. The heat exchanger includes a fluid flow passage extending between and interconnecting a fluid inlet and a fluid outlet. A heat transfer surface is disposed within the fluid flow passage wherein the heat transfer surface includes at least one heat transfer-reducing zone disposed in thermal contact with a portion of at least one of the walls of the fluid flow passage and at least one heat transfer-augmenting zone disposed in thermal contact with a portion of the at least one of the walls of the fluid flow passage. The configuration of the heat transfer-augmenting zones with the heat-transfer-reducing zones is such that heat transfer across the surface of the heat exchanger in contact with the heat transfer-augmenting zones is increased relative to the heat transfer across the surface of the heat exchanger in contact with the heat transfer-reducing zones.
A heat exchanger with a multi-zone heat transfer surface is disclosed. The heat exchanger includes a fluid flow passage extending between and interconnecting a fluid inlet and a fluid outlet. A heat transfer surface is disposed within the fluid flow passage wherein the heat transfer surface includes at least one heat transfer-reducing zone disposed in thermal contact with a portion of at least one of the walls of the fluid flow passage and at least one heat transfer-augmenting zone disposed in thermal contact with a portion of the at least one of the walls of the fluid flow passage. The configuration of the heat transfer-augmenting zones with the heat-transfer- reducing zones is such that heat transfer across the surface of the heat exchanger in contact with the heat transfer-augmenting zones is increased relative to the heat transfer across the surface of the heat exchanger in contact with the heat transfer-reducing zones.
A heat exchanger has at least one channel structure defining a fluid flow passage. Each channel structure includes first and second thermally conductive plates, with a fluid flow passage defined by a space between the inner surfaces of the first and second plates. At least one electrical heating element is provided outside the fluid flow passage and located adjacent to the outer surface of the first plate, such that heat from the heating element is transferred through the first plate to the fluid in the flow passage during use of the heat exchanger. In some embodiments, the first plate of the first channel structure is arranged opposite to the first plate of the second channel structure, with spacers received between the first and second channel structures. At least one of the spacers may have fluid transfer openings to provide flow communication between the first and second channel structures.
F28F 1/40 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular element
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
F28F 13/12 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
F28F 13/02 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by influencing fluid boundary
52.
HEAT EXCHANGERS WITH INTEGRATED ELECTRICAL HEATING ELEMENTS AND WITH MULTIPLE FLUID FLOW PASSAGES
A heat exchanger has at least one channel structure defining a fluid flow passage. Each channel structure includes first and second thermally conductive plates, with a fluid flow passage defined by a space between the inner surfaces of the first and second plates. At least one electrical heating element is provided outside the fluid flow passage and located adjacent to the outer surface of the first plate, such that heat from the heating element is transferred through the first plate to the fluid in the flow passage during use of the heat exchanger. In some embodiments, the first plate of the first channel structure is arranged opposite to the first plate of the second channel structure, with spacers received between the first and second channel structures. At least one of the spacers may have fluid transfer openings to provide flow communication between the first and second channel structures.
F24H 9/18 - Arrangement or mounting of grates or heating means
F24H 1/10 - Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
F28F 3/02 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
F28F 9/00 - Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
H05B 3/20 - Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
53.
HEAT EXCHANGER WITH INTEGRATED ELECTRICAL HEATING ELEMENT
A heat exchanger has a fluid flow passage having an inlet and an outlet, and with a first plate and a second plate in opposed facing relation to one another. The fluid flow passage is defined by a space between the inner surfaces of the first and second plates. An electrical heating element is outside the fluid flow passage and adjacent to the outer surface of the first plate, such that heat produced by the electrical heating element is transferred through the first plate to the fluid in the fluid flow passage during use of the heat exchanger. In an embodiment, the first plate has an opening to receive a heater plate component including a first plate portion having an inner surface bonded to a turbulence-enhancing insert and an outer surface bonded to the electrical heating element..
F24H 9/18 - Arrangement or mounting of grates or heating means
F24H 1/10 - Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
F28F 3/02 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
F28F 9/00 - Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
H05B 3/20 - Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
A heat exchanger plate having a planar plate having an inlet and outlet proximate to a first edge of the heat exchanger plate. The planar plate having a plurality of ribs and a plurality of channels, with the plurality of channels being in a plane different from the planar plate. The plurality of channels being in fluid communication from the inlet to the outlet permitting fluid flow from the inlet to the outlet. A protrusion coupled to the planar plate proximate to the first edge of the heat exchanger plate and laterally extending from an axis, with the heat exchanger plate being susceptible to bending about the axis.
F28F 3/00 - Plate-like or laminated elements; Assemblies of plate-like or laminated elements
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
F28F 3/12 - Elements constructed in the shape of a hollow panel, e.g. with channels
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28D 1/03 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
A heat exchanger plate having a planar plate having an inlet and outlet proximate to a first edge of the heat exchanger plate. The planar plate having a plurality of ribs and a plurality of channels, with the plurality of channels being in a plane different from the planar plate. The plurality of channels being in fluid communication from the inlet to the outlet permitting fluid flow from the inlet to the outlet. A protrusion coupled to the planar plate proximate to the first edge of the heat exchanger plate and laterally extending from an axis, with the heat exchanger plate being susceptible to bending about the axis.
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
B21D 53/04 - Making other particular articles heat exchangers, e.g. radiators, condensers of sheet metal
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
56.
Counter-flow heat exchanger for battery thermal management applications
A heat exchanger for thermal management of battery units made-up of plurality of battery cells or battery cell containers housing one or more battery cells is disclosed. The heat exchanger has a main body portion defining at least one primary heat transfer surface for surface-to-surface contact with a corresponding surface of at least one of the battery cells or containers. A plurality of alternating first and second fluid flow passages are formed within the main body portion each defining a flow direction, the flow direction through the first fluid flow passages being generally opposite to the flow direction through the second fluid flow passages providing a counter-flow heat exchanger.
A system, a differential, and method for maintaining temperature of a fluid circulating in a housing enclosing a gear system, contains a first heat exchanger positioned interior the housing. A first insulation layer is coupled to the housing and having a face in complete contact with the housing. A second fluid passageway formed between the outer surface of the gear and the primary heat transfer surface for the flow of the fluid circulating within the housing therethrough, wherein the fluid is brought into heat transfer relationship with the first heat exchange fluid flowing through said heat exchanger by means of rotation of the gear system.
F16N 39/00 - Arrangements for conditioning of lubricants in the lubricating system
B60K 17/00 - Arrangement or mounting of transmissions in vehicles
B60K 17/16 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
F01M 5/00 - Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
F16H 57/04 - Features relating to lubrication or cooling
F28D 3/00 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium flows in a continuous film, or trickles freel
A heat transfer surface for use in conjunction with a heat exchanger is disclosed. The heat transfer surface a corrugated member where rows of corrugations that are offset relative to each other forming at least an alternating series of first and second rows or first, second and third rows. In some embodiments the heat transfer surface includes a heat transfer enhancement feature disposed within individual corrugations of the corrugated member to provide a more turbulent or tortuous fluid flow path through the heat transfer surface. In some example embodiments the heat transfer enhancement feature is a ridge disposed in the planar portions of at least some of the rows of corrugations. In other example embodiments the planar fin portions are porous fin surfaces. In other embodiments, the corrugated member cooperates with heat transfer enhancement features in the form of triangular protuberances disposed on their inner surfaces of spaced apart plates.
F28F 13/00 - Arrangements for modifying heat transfer, e.g. increasing, decreasing
F28F 1/10 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
F28F 3/06 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being attachable to the element
A system, a differential, and method for maintaining temperature of a fluid circulating in a housing enclosing a gear system, contains a first heat exchanger positioned interior the housing. A first insulation layer is coupled to the housing and having a face in complete contact with the housing. A second fluid passageway formed between the outer surface of the gear and the primary heat transfer surface for the flow of the fluid circulating within the housing therethrough, wherein the fluid is brought into heat transfer relationship with the first heat exchange fluid flowing through said heat exchanger by means of rotation of the gear system.
A heat exchanger module adapted for being mounted directly to the outer surface of the housing of an automobile system component, such as a transmission or engine housing, is provided. The heat exchanger module comprises a heat exchanger fixedly attached to an adapter module. The adapter module contains one of more fluid transfer channels, interface connectors, seals and mounting holes for screws and/or bolts. In one exemplary embodiment, the adapter module is comprised of an adapter plate that is sealed with one or more shim plates, the shim plates also providing a brazing surface for brazing the adapter module directly to the heat exchanger, the heat exchanger therefore being attached to the adapter module without the use of a base plate.
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
Various ways to integrate control valves into the structure of a heat exchanger are disclosed. The present disclosure relates to a heat exchanger assembly that includes a heat exchanger and a valve integration unit. The heat exchanger includes a plurality of alternating first and second fluid passages in heat exchange relation, and at least one inlet manifold and one outlet manifold interconnected by one of the plurality of first or second fluid passages. The valve integration unit is fixedly attached to heat exchanger and includes a fluid passage in fluid communication with at least one of the inlet and outlet manifolds. A valve mechanism is mounted within the valve integration unit in fluid communication with the fluid passage, the valve mechanism controlling the flow of a heat exchange fluid through the fluid passage.
F28F 27/00 - Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 27/02 - Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
F28B 1/02 - Condensers in which the steam or vapour is separated from the cooling medium by walls, e.g. surface condenser using water or other liquid as the cooling medium
F01P 7/16 - Controlling of coolant flow the coolant being liquid by thermostatic control
G05D 23/02 - Control of temperature without auxiliary power with sensing element expanding and contracting in response to changes of temperature
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
A heat exchanger having an integrated support structure particularly suited for thermal management of heat generating components such as battery thermal management applications or thermal management of other electronic components is disclosed. The heat exchanger includes a top plate and a base tray defining a plurality of fluid channels that extend between an inlet manifold area and an outlet manifold area. The top plate has a first side defining a primary heat transfer area and a second side for effecting a sealing relationship between the top plate and the base tray. In some instances, the top plate includes a thermally conductive material while the base tray includes a non-thermally conductive material. In some instances the base tray cooperates with a cover portion to define an enclosure for housing the heat generating components.
H01M 10/6556 - Solid parts with flow channel passages or pipes for heat exchange
F28D 1/03 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
F28F 21/00 - Constructions of heat-exchange apparatus characterised by the selection of particular materials
F28F 9/00 - Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
H01M 50/209 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
H01M 50/271 - Lids or covers for the racks or secondary casings
A vehicle heating/cooling system has first and second fluid circulation loops for circulating engine coolant and automotive fluid. A first heat exchanger transfers heat from the coolant to air for the passenger compartment. A second heat exchanger transfers heat between the coolant and automotive fluid. A first valve has first and second inlets for receiving coolant from hot and cold coolant sources, and an outlet for discharging coolant to the second heat exchanger. A second valve has an inlet for receiving coolant from the first coolant source, and an outlet for discharging coolant to the first inlet of the first valve. The valve positions change with temperature of the coolant and the automotive fluid, providing preferential heating of the passenger compartment during cold start-up of the vehicle. The second heat exchanger and valves may be provided in a temperature control module.
F01P 7/14 - Controlling of coolant flow the coolant being liquid
B60H 1/04 - Heating, cooling or ventilating devices the heat being derived from the propulsion plant from cooling liquid of the plant
B60K 11/02 - Arrangement in connection with cooling of propulsion units with liquid cooling
F01M 5/02 - Conditioning lubricant for aiding engine starting, e.g. heating
F01P 11/16 - Indicating devices; Other safety devices concerning coolant temperature
F01P 11/20 - Indicating devices; Other safety devices concerning atmospheric freezing conditions, e.g. automatically draining or heating during frosty weather
F01P 3/20 - Cooling circuits not specific to a single part of engine or machine
F28F 27/02 - Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
A heat exchanger having an integrated support structure particularly suited for thermal management of heat generating components such as battery thermal management applications or thermal management of other electronic components is disclosed. The heat exchanger includes a top plate and a base tray defining a plurality of fluid channels that extend between an inlet manifold area and an outlet manifold area. The top plate has a first side defining a primary heat transfer area and a second side for effecting a sealing relationship between the top plate and the base tray. In some instances, the top plate includes a thermally conductive material while the base tray includes a non-thermally conductive material. In some instances the base tray cooperates with a cover portion to define an enclosure for housing the heat generating components.
A heat exchanger providing localized reinforcement around the base of the heat exchanger core so as to reinforce its connection to the base plate is disclosed. The heat exchanger comprises a base plate and a heat exchanger core disposed on the base plate, the heat exchanger core comprising a plurality of dished heat exchanger plates that are nested together in spaced apart relationship to one another forming alternating first and second fluid flow passages therebetween. Each dish plate has a base portion and an inclined, peripheral edge wall. At least one reinforcing member is provided that overlaps a portion of the peripheral edge wall of the lowermost heat exchanger plate. Engaging features provided on the base plate and/or lowermost heat exchanger plate, serve to locate the reinforcing member in relation to the lowermost heat exchanger plate.
F01M 5/00 - Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
A nested dish-plate heat exchanger is disclosed wherein the heat exchanger core is comprised of a plurality of first and second heat exchanger plates arranged in alternating stacked relationship. The first and second heat exchanger plates each have a pair of openings formed in the base portion of the plates and a pair of upwardly protruding boss portions and a pair of downwardly protruding bosses each having a corresponding opening formed therein. The first and second heat exchanger plates are arranged in an alternating stacked relationship wherein each subsequent first or second heat exchanger plate is rotation 180 degrees with respect to the previous first or second heat exchanger plate in the stack, the arrangement providing a plurality of first, second and third fluid flow passages therebetween such that each of the second and third fluid flow passages are in heat transfer relationship with the first fluid flow passages.
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F01N 3/00 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
F28F 9/26 - Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
A nested dish-plate heat exchanger is disclosed wherein the heat exchanger core is comprised of a plurality of first and second heat exchanger plates arranged in alternating stacked relationship. The first and second heat exchanger plates each have a pair of openings formed in the base portion of the plates and a pair of upwardly protruding boss portions and a pair of downwardly protruding bosses each having a corresponding opening formed therein. The first and second heat exchanger plates are arranged in an alternating stacked relationship wherein each subsequent first or second heat exchanger plate is rotation 180 degrees with respect to the previous first or second heat exchanger plate in the stack, the arrangement providing a plurality of first, second and third fluid flow passages therebetween such that each of the second and third fluid flow passages are in heat transfer relationship with the first fluid flow passages.
F28D 7/10 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
F28D 7/00 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
68.
Structurally integral heat exchanger within a plastic housing
A heat exchanger having a core defining a plurality of first fluid flow passages and a plurality of second fluid flow passages arranged in alternating order, and a housing enclosing the core. The housing has a top wall arranged opposite to the top of the core, and a bottom wall arranged opposite to the bottom of the core. A plurality of connecting structures which together provide a rigid connection between the core and the housing, wherein each of the connecting structures provides a connection between the top of the core and the top wall of the housing, or between the bottom of the core and the bottom wall of the housing. Wherein each of the connecting structures has a first connecting element and a second connecting element. The first connecting element is associated with the core and the second connecting element is associated with the housing.
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 9/00 - Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
F28F 21/06 - Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
A heat exchanger for cooling a heat-generating component includes first and second plates, each having a core layer of a first metal and an inner clad layer of a lower melting second metal, which is inert to the working fluid contained in a fluid chamber of the heat exchanger. The outer peripheral sealing surfaces of the first and second plates are joined by welding, wherein the weld joint is fluidly isolated from the fluid chamber by a layer of the second metal in an area adjacent to the weld joint. In some embodiments, the heat exchanger includes liquid flow passages and primary and secondary gas flow passages, each secondary passage providing communication between primary gas flow passages. The gas and liquid flow passages may be defined by a wick material having hydrophilic areas and non-wicking areas of reduced thickness. A method of manufacturing is also disclosed.
F28D 15/02 - Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls in which the medium condenses and evaporates, e.g. heat-pipes
F28D 15/04 - Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls in which the medium condenses and evaporates, e.g. heat-pipes with tubes having a capillary structure
H01L 23/427 - Cooling by change of state, e.g. use of heat pipes
F28F 21/08 - Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
A heat exchanger for cooling a heat-generating component comprises first and second plates, each comprising a core layer comprising a first metal and an inner clad layer comprising a lower melting second metal, which is inert to the working fluid contained in a fluid chamber of the heat exchanger. The outer peripheral sealing surfaces of the first and second plates are joined by welding, wherein the weld joint is fluidly isolated from the fluid chamber by a layer of the second metal in an area adjacent to the weld joint. In some embodiments, the heat exchanger includes liquid flow passages and primary and secondary gas flow passages, each secondary passage providing communication between primary gas flow passages. The gas and liquid flow passages may be defined by a wick material having hydrophilic areas and non-wicking areas of reduced thickness. A method of manufacturing is also disclosed.
F28F 3/12 - Elements constructed in the shape of a hollow panel, e.g. with channels
F28D 15/02 - Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls in which the medium condenses and evaporates, e.g. heat-pipes
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 21/08 - Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
71.
DEVICE AND METHOD FOR ALIGNMENT OF PARTS FOR LASER WELDING
A device and method for alignment of parts for welding, having a bottom welding fixture and a top welding fixture. The bottom welding fixture has a plurality of fixed locating pins for positioning of parts to be welded and limiting movement of the parts in a first axis and a perpendicular second axis. At least pair of alignment block assemblies to actuate movement of the parts to be welded in the first and second axes. The alignment block assembly having an alignment block moveable from a first position to a second position for contacting and aligning the parts. An actuator coupled to the top welding or bottom welding fixture to actuate movement of the alignment block from the first position to the second position upon engagement of the top welding fixture to the bottom welding fixture.
A device and method for alignment of parts for welding, having a bottom welding fixture and a top welding fixture. The bottom welding fixture has a plurality of fixed locating pins for positioning of parts to be welded and limiting movement of the parts in a first axis and a perpendicular second axis. At least pair of alignment block assemblies to actuate movement of the parts to be welded in the first and second axes. The alignment block assembly having an alignment block moveable from a first position to a second position for contacting and aligning the parts. An actuator coupled to the top welding or bottom welding fixture to actuate movement of the alignment block from the first position to the second position upon engagement of the top welding fixture to the bottom welding fixture.
B23K 37/04 - Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the other main groups of this subclass for holding or positioning work
A heat exchanger capable of conforming to expansion/contraction due to external stresses as well as adjusting/adapting to surface imperfections at the interface of the heat exchanger with additional components is disclosed. The heat exchanger is made up of various heat exchanger elements where the elements are interconnected in such a manner that they can shift relative to one another along and/or about different axes while maintaining fluid flow through the heat exchanger. Each element has a fluid inlet, fluid outlet and a flow passage extending therebetween, the elements being arranged such that the outlet of one element is fluidly connected to the inlet of the adjacent element. The individual elements are also physically interconnected to allow for longitudinal and/or lateral shifting in response to external expansion/contraction forces while maintaining fluid flow through the entire heat exchanger, as well as to tilting about each of these axes.
F28F 9/26 - Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
F28F 3/12 - Elements constructed in the shape of a hollow panel, e.g. with channels
H01L 35/32 - SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR - Details thereof operating with Peltier or Seebeck effect only characterised by the structure or configuration of the cell or thermocouple forming the device
H01L 35/30 - SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR - Details thereof operating with Peltier or Seebeck effect only characterised by the heat-exchanging means at the junction
74.
COUNTERFLOW HEAT EXCHANGER WITH SIDE ENTRY FITTINGS
A battery cell heat exchanger having a pair of plates that together define a fluid passage having a first channel permitting fluid flow from a first end of the plate pair towards a second end of the plate pair, and a second channel permitting fluid flow from the second end towards the first end of the plate pair. The plate pair together defining a first conduit at the first end of the plate pair, the first conduit being in fluid communication with the first channel. One of the pair of plates having an aperture permitting fluid flow from the second channel to a duct, the duct coupled to the one of the pair of plates having the aperture and having a second conduit in fluid communication with the aperture; where the first conduit and the second conduit lie in the plane defined by the pair of plates.
A battery cell heat exchanger having a pair of plates that together define a fluid passage having a first channel permitting fluid flow from a first end of the plate pair towards a second end of the plate pair, and a second channel permitting fluid flow from the second end towards the first end of the plate pair. The plate pair together defining a first conduit at the first end of the plate pair, the first conduit being in fluid communication with the first channel. One of the pair of plates having an aperture permitting fluid flow from the second channel to a duct, the duct coupled to the one of the pair of plates having the aperture and having a second conduit in fluid communication with the aperture; where the first conduit and the second conduit lie in the plane defined by the pair of plates.
A by-pass valve capable of activating at least two different temperatures is disclosed. The valve has a valve chamber housing a valve mechanism having a piston-cylinder arrangement. The cylinder defines two separate chambers therein for housing two different thermal materials each having a different activation temperature. A piston is arranged in each end of the cylinder operably coupled to the corresponding thermal material housed within the cylinder. A valve spool or valve sleeve is operably coupled to one of the pistons associated with the valve mechanism, the valve spool or sleeve adapted for sliding within the valve chamber for controlling flow to the fluid outlet ports formed in the valve. In some embodiments, the valve mechanism housing two different thermal materials can be arranged in combination with additional valve mechanism housing different thermal materials allowing for further multi-stage activation allowing for various flow arrangements through the valve.
A gas-liquid heat exchanger such as a charge air cooler has a core comprising a stack of flat tubes defining liquid coolant flow passages, and a plurality of open-ended gas flow passages between the flat tubes. An endmost gas flow passage is defined between an end plate of the core and an adjacent flat tube, such that the endmost gas flow passage is in contact with only said adjacent one of said flat tubes. A blocking element extends along either the front face or the rear face of the core and at least partly blocking the endmost gas flow passage. Each flat tube may comprise a pair of core plates, at least one including a flap projecting into a gas flow passage and covering a gas bypass channel between the edge of the turbulence-enhancing insert and the sides of a coolant manifold.
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 9/00 - Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
F28F 9/22 - Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
F28F 13/06 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
F28F 13/12 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
A heat exchanger for cooling a plurality of heat-generating components with flat surfaces arranged in spaced parallel relation to one another has at least three flat, fluid-carrying panels, including a first end panel, a second end panel, and at least one middle panel. The middle panels have both of their opposed surfaces in thermal contact with a surface of a heat generating component. The end panels each have one surface in thermal contact with a surface of a heat-generating component. Inlet and outlet manifolds of the heat exchanger are in communication with the inlet and outlet openings of the middle panels. The inlet manifold communicates with the inlet opening of the first end panel, the outlet manifold communicates with the outlet opening of the second end panel, and the outlet opening of the first end panel communicates with the inlet opening of the second end panel.
H01L 23/40 - Mountings or securing means for detachable cooling or heating arrangements
F28F 3/12 - Elements constructed in the shape of a hollow panel, e.g. with channels
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
H01L 23/473 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing liquids
H01L 21/48 - Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the groups
F28F 9/14 - Arrangements for sealing elements into header boxes or end plates by dismountable joints by force-joining
F28D 1/03 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
H01L 23/46 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids
79.
Heat exchanger for cooling multiple layers of electronic modules
A stacked-plate heat exchanger for cooling a plurality of heat-generating electronic components arranged in a plurality of layers comprises a stack of flat tubes defining a plurality of parallel fluid flow passages, the tubes being separated by spaces for receiving the electronic components. One or more flow-restricting ribs is arranged within at least some of the fluid flow passages to partially block fluid flow between at least one the manifolds and the heat transfer area by reducing the height of the fluid flow passage outside the heat transfer area, along at least a portion of the width of the fluid flow passage, in order to improve the flow distribution of a heat transfer fluid between and within the fluid flow passages of the heat exchanger, and to minimize bypass flow at the outer edges of the fluid flow passage.
F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
F28F 13/12 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
H01L 23/433 - Auxiliary members characterised by their shape, e.g. pistons
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
H01L 23/473 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing liquids
F28D 1/053 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
H01L 23/40 - Mountings or securing means for detachable cooling or heating arrangements
F28D 1/03 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
F28F 3/02 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
H01L 25/18 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices the devices being of types provided for in two or more different subgroups of the same main group of groups , or in a single subclass of ,
H01L 25/11 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices all the devices being of a type provided for in the same subgroup of groups , or in a single subclass of , , e.g. assemblies of rectifier diodes the devices having separate containers the devices being of a type provided for in group
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
80.
Anti-drain valve assembly with integrated fixation function
An anti-drain valve for a plate cooler has a plastic housing having a generally cylindrical outer wall with open ends, and an inner support structure integrally formed therewith, and with a valve seat. A piston is located within the support structure and axially movable toward and away from the valve seat. A biasing member biases the piston toward the valve seat. A resilient sealing element provides a seal between the housing and the base plate. The outer wall has first and second portions, the first portion including a plurality of inwardly bendable detents defined by slots through the outer wall for attaching the valve to the base plate of the plate cooler.
F16K 15/02 - Check valves with guided rigid valve members
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F16K 15/06 - Check valves with guided rigid valve members with guided stems
F16K 27/02 - Construction of housings; Use of materials therefor of lift valves
A counterflow heat exchanger for battery thermal management has a base plate, cover plate and manifold cover. The base plate includes alternating first and second longitudinal fluid flow passages. The cover plate is sealed to the base plate to enclose the first and second fluid flow passages, and includes a first fluid opening and a plurality of second fluid openings arranged at spaced apart intervals across a width of the cover plate. The manifold cover comprises an embossment surrounded by a peripheral flange which is sealed to the cover plate and surrounds at least the plurality of second fluid openings. The interior of the embossment defines a manifold chamber in flow communication with the second fluid openings in the cover plate. The top of the manifold cover has at least a second fluid opening in flow communication with the plurality of second fluid openings through the manifold chamber.
An integrated gas management device (GMD) for a fuel cell has a gas-to-gas humidifier for transferring water from a second gas to a first gas; and a heat exchanger attached to a first end of the humidifier core for cooling the first gas. The GMD may optionally have a thermal isolation plate between the heat exchanger and the first end of the humidifier core. The GMD further has a bypass line to allow the first gas to bypass the humidifier. The first gas may be cathode charge air and the second gas may be cathode exhaust.
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
A counterflow heat exchanger for battery thermal management has a base plate, a cover plate and manifold cover. The base plate includes alternating first and second longitudinal fluid flow passages. The cover plate is sealed to the base plate to enclose the first and second fluid flow passages, and includes a first fluid opening and a plurality of second fluid openings arranged at spaced apart intervals across a width of the cover plate. The manifold cover includes an embossment surrounded by a peripheral flange which is sealed to the cover plate and surrounds at least the plurality of second fluid openings. The interior of the embossment defines a manifold chamber in flow communication with the second fluid openings in the cover plate. The top of the manifold cover has at least a second fluid opening in flow communication with the plurality of second fluid openings through the manifold chamber.
F28F 13/06 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
H01M 10/6556 - Solid parts with flow channel passages or pipes for heat exchange
F28D 1/03 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
The invention relates to various ways in which to integrate control valves into the structure of a heat exchanger. The present disclosure relates to a heat exchanger assembly that includes a heat exchanger and a valve integration unit. The heat exchanger includes a plurality of alternating first and second fluid passages in heat exchange relation, and at least one inlet manifold and one outlet manifold interconnected by one of the plurality of first or second fluid passages. The valve integration unit is fixedly attached to heat exchanger and includes a fluid passage in fluid communication with at least one of the inlet and outlet manifolds. A valve mechanism is mounted within the valve integration unit in fluid communication with the fluid passage, the valve mechanism controlling the flow of a heat exchange fluid through said fluid passage.
F28F 27/00 - Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
F28F 27/02 - Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28B 1/02 - Condensers in which the steam or vapour is separated from the cooling medium by walls, e.g. surface condenser using water or other liquid as the cooling medium
F01P 7/16 - Controlling of coolant flow the coolant being liquid by thermostatic control
G05D 23/02 - Control of temperature without auxiliary power with sensing element expanding and contracting in response to changes of temperature
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
A heat exchanger module adapted for being mounted directly to the outer surface of the housing of an automobile system component, such as a transmission or engine housing, is provided. The heat exchanger module has a heat exchanger fixedly attached to an adapter module. The adapter module contains one of more fluid transfer channels, interface connectors, seals and mounting holes for screws and/or bolts. In one exemplary embodiment, the adapter module has an adapter plate that is sealed with one or more shim plates, the shim plates also providing a brazing surface for brazing the adapter module directly to the heat exchanger, the heat exchanger therefore being attached to the adapter module without the use of a base plate.
F28F 21/08 - Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
A battery cooler assembly having a frame with a pair of opposed parallel walls, with each wall having a ledge extending outwardly from the wall. A heat exchanger positioned between the walls, and having a plate pair together defining a fluid flow channel permitting fluid flow from an inlet to an outlet on the heat exchanger. One or more battery modules positioned on the heat exchanger. A plurality of support structures engage the heat exchanger and positioned between the walls; and extend from a first edge to a second end of the heat exchanger, wherein the first edge is proximate to one of the walls and the second edge is proximate to the other wall. The plurality of support structures engaging the one or more battery modules reducing stress on the heat exchanger.
A heat exchanger assembly has first and second heat sink elements enclosing fluid flow passages, and a clamping assembly. The heat sink elements are separated by a space in which at least one heat-generating electronic component is located, with outer side surfaces of each electronic component being in thermal contact with the heat sink elements. The clamping assembly has first and second spring elements arranged in contact with an outer surfaces of the heat sink elements. The spring elements are joined together to apply compressive forces to the heat sink elements and to cause the electronic components to be clamped between the heat sink elements. Each spring element has discrete force application regions for applying force to a heat sink element, and a plurality of fastening regions for compressing and maintaining the positions of the spring elements relative to the outer surfaces of the heat sink elements.
H01L 23/40 - Mountings or securing means for detachable cooling or heating arrangements
F28D 1/03 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
F28F 3/12 - Elements constructed in the shape of a hollow panel, e.g. with channels
H01L 25/11 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices all the devices being of a type provided for in the same subgroup of groups , or in a single subclass of , , e.g. assemblies of rectifier diodes the devices having separate containers the devices being of a type provided for in group
H01L 25/07 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices all the devices being of a type provided for in the same subgroup of groups , or in a single subclass of , , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
F28F 13/00 - Arrangements for modifying heat transfer, e.g. increasing, decreasing
H01L 23/467 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing gases, e.g. air
H01L 23/473 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing liquids
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
88.
Heat exchanger having bypass seal with retention clip
A heat exchanger comprises a stack of flat tubes defining first and second fluid flow passages, and a housing having side covers over the sides of the core, and being spaced from the sides of the core. The heat exchanger further comprises a bypass seal comprising a pair of side seals and a pair of clip members. The side seals are received between the sides of the core and the housing. Each side seal has an inner surface engaging the first side of the core and an outer surface engaging the first side wall of the housing. Each clip member has a middle portion to which a side seal is connected, as well as opposed first and second end portions which engage inwardly extending surfaces of the core.
F28F 9/00 - Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
A heat exchanger for use with at least two battery modules, each of the battery modules comprising at least one battery cell housed within a rigid container, the heat exchanger defining an internal fluid passage for a heat exchanger fluid and having at least one compliant region that is configured to be compressed to facilitate thermal contact between the heat exchanger and the two battery modules.
F28D 1/03 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
A heat exchanger for a battery unit having at least a first battery module and a second battery module is disclosed wherein the first and second battery modules each include a plurality of battery cell containers each housing at least one battery cell. The first and second battery modules are spaced apart from each other with the heat exchanger being arranged between the spaced apart first and second battery modules. The heat exchanger is a laminated plate structure defining a plurality of fluid flow chambers each located within a respective fluid flow region for transmitting a heat exchanger fluid. Each of the fluid flow regions is dimensionally compliant independent of the other fluid flow regions to conform to the spacing of the respective battery cell containers in the first and second modules between which the specific fluid flow region is positioned when arranged between the first and second battery modules.
F28D 1/03 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
A heat exchanger for use with at least two battery modules, each of the battery modules comprising at least one battery cell housed within a rigid container, the heat exchanger defining an internal fluid passage for a heat exchanger fluid and having at least one compliant region that is configured to be compressed to facilitate thermal contact between the heat exchanger and the two battery modules.
F28D 1/03 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
92.
HEAT EXCHANGER HAVING AERODYNAMIC FEATURES TO IMPROVE PERFORMANCE
A gas-liquid heat exchanger such as a charge air cooler has a core comprising a stack of flat tubes defining liquid coolant flow passages, and a plurality of open-ended gas flow passages between the flat tubes. An endmost gas flow passage is defined between an end plate of the core and an adjacent flat tube, such that the endmost gas flow passage is in contact with only said adjacent one of said flat tubes. A blocking element extends along either the front face or the rear face of the core and at least partly blocking the endmost gas flow passage. Each flat tube may comprise a pair of core plates, at least one including a flap projecting into a gas flow passage and covering a gas bypass channel between the edge of the turbulence- enhancing insert and the sides of a coolant manifold.
F28F 13/06 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
F28D 9/02 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the heat-exchange media travelling at an angle to one another
F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
F28F 3/14 - Elements constructed in the shape of a hollow panel, e.g. with channels by separating portions of a pair of joined sheets to form channels, e.g. by inflation
F28F 9/04 - Arrangements for sealing elements into header boxes or end plates
F28F 9/22 - Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
93.
HEAT EXCHANGER HAVING BYPASS SEAL WITH RETENTION CLIP
A heat exchanger comprises a stack of flat tubes defining first and second fluid flow passages, and a housing having side covers over the sides of the core, and being spaced from the sides of the core. The heat exchanger further comprises a bypass seal comprising a pair of side seals and a pair of clip members. The side seals are received between the sides of the core and the housing. Each side seal has an inner surface engaging the first side of the core and an outer surface engaging the first side wall of the housing. Each clip member has a middle portion to which a side seal is connected, as well as opposed first and second end portions which engage inwardly extending surfaces of the core.
F28F 9/06 - Arrangements for sealing elements into header boxes or end plates by dismountable joints
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 3/14 - Elements constructed in the shape of a hollow panel, e.g. with channels by separating portions of a pair of joined sheets to form channels, e.g. by inflation
A heat exchanger having a plurality of heat exchanger plate pairs. Each plate has a longitudinal central planar portion and a peripheral edge portion extending from it. The plate is provided with a first boss and a second boss having an inlet and outlet, respectively. A rib is also provided extending from the peripheral edge portion to the central planar portion, the rib having a mating surface, where the rib mating surface of a first plate in a first plate pair is in contact with a rib mating surface of a second plate in an adjacent plate pair.
F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
F28D 1/03 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
F28F 9/04 - Arrangements for sealing elements into header boxes or end plates
A heat exchanger having a plurality of heat exchanger plate pairs. Each plate has a longitudinal central planar portion and a peripheral edge portion extending from it. The plate is provided with a first boss and a second boss having an inlet and outlet, respectively. A rib is also provided extending from the peripheral edge portion to the central planar portion, the rib having a mating surface, where the rib mating surface of a first plate in a first plate pair is in contact with a rib mating surface of a second plate in an adjacent plate pair.
F28D 1/03 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
A heat exchanger assembly, having a heat exchanger having at least a plate pair, the plate pair defining a fluid passage for flow of fluid for heat exchange, and optionally coupled a base plate of the heat exchanger assembly. A component coupled to the heat exchanger or the base plate of the heat exchanger assembly, where the base plate is coupled to a bottom plate of the heat exchanger; the component having a plurality of parts, where one part of the plurality of parts has one or more protuberances, the one or more protuberances engaging a slit or cut-out for coupling the component.
F28F 9/00 - Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
F28D 1/03 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
97.
Stacked plate heat exchanger with top and bottom manifolds
A heat exchanger has a core comprised of at least one core section defined by a plate stack comprising a plurality of core plates, each core plate having a plurality of spaced apart, raised openings surrounded by a flat area. The raised openings of adjacent plates are sealed together to define a plurality of tubular structures. Top and bottom manifolds are sealed to the top and bottom of the core, with continuous top and bottom end plates providing structurally rigid connections between multiple core sections of the heat exchanger. The heat exchanger may have numerous configurations, including stepped core, curved core, angled core, and/or a core having multiple sections of the same or different length, while minimizing the number of unique parts and/or parts of complex shape.
F28D 1/03 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
B60K 11/00 - Arrangement in connection with cooling of propulsion units
B60K 11/04 - Arrangement or mounting of radiators, radiator shutters, or radiator blinds
F28D 1/02 - Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or mo with the heat-exchange conduits immersed in the body of fluid
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
A heat exchanger apparatus having a first fluid channel, a second fluid channel, a bypass channel, and inlet and outlet manifolds. A thermal bypass valve assembly is positioned within the inlet manifold, and contains an outer sleeve having a first, second and third apertures axially displaced. An inner sleeve positioned within the outer sleeve and moveable from a first to a second position upon actuation of a first actuator. The inner sleeve has a first orifice on a wall of the inner sleeve and a second orifice defined by the inner sleeve second end. The first orifice aligns with the first aperture in the first position and the second aperture in the in the second position. A second actuator coupled to a stopper that engagingly disengages from the second orifice upon actuation of the second actuator.
F28F 27/00 - Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
F16K 11/02 - Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves; Arrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
A heat exchanger apparatus having a first fluid channel, a second fluid channel, a bypass channel, and inlet and outlet manifolds. A thermal bypass valve assembly is positioned within the inlet manifold, and contains an outer sleeve having a first, second and third apertures axially displaced. An inner sleeve positioned within the outer sleeve and moveable from a first to a second position upon actuation of a first actuator. The inner sleeve has a first orifice on a wall of the inner sleeve and a second orifice defined by the inner sleeve second end. The first orifice aligns with the first aperture in the first position and the second aperture in the in the second position. A second actuator coupled to a stopper that engagingly disengages from the second orifice upon actuation of the second actuator.
F28F 27/02 - Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
F16K 11/07 - Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves; Arrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only sliding valves with linearly sliding closure members with cylindrical slides
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F01M 5/00 - Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
A humidifier for transferring water vapor from a first gas stream to a second gas stream in a fuel cell system has a stack of thin plates joined together at their edges by planar sealing surfaces, with water permeable membranes between the plates. Each plate defines a gas flow passage along its top and bottom surfaces, with an inlet and outlet defined along edges of the plate, and a flow field extending between the inlet and outlet openings. Inlet and outlet passages connect the inlet and outlet openings to the flow field, with the planar sealing surfaces including bridging portions extending across these passages. Support structures are provided throughout the flow field to support the membrane and diffusion medium layer(s). Each support structure comprises a porous material which is sufficiently porous to permit gas flow through the flow field.
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
H01M 8/04007 - Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
F24F 3/14 - Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by dehumidification
