An axle assembly with a housing, a gear received in the housing and rotatable about an output axis, a spindle coupled to the second gear for rotation therewith, a first shaft that is rotatably coupled to the spindle, a second shaft that is rotatable about the output axis relative to the spindle, a first shaft bearing received between the second shaft and the spindle and supporting the second shaft for rotation relative to the spindle, and a mode collar slidably movable along the output axis between a first position, in which the second shaft is rotatable relative to the spindle, a second position, in which the second shaft is coupled to the spindle for rotation therewith, and a third position in which the spindle and the second shaft are non-rotatably coupled to the housing.
A vehicular output shaft assembly, configured for a rotating electrical machine, including an elongated tubular shaft having a cavity at least partially defined by an inner diameter of the elongated tubular shaft and a shaft radial surface; an output coupling having an inner diameter and a coupling radial surface; and an integrated ring received within the cavity of the elongated tubular shaft and the inner diameter of the output coupling, wherein the integrated ring positions the shaft radial surface and the coupling radial surface to abut and the elongated tubular shaft and the output coupling are welded together between the shaft radial surface and the coupling radial surface.
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
An electric drive axle with an electric motor having a motor shaft that is rotatable about an axis, a differential, and a transmission. The transmission transmits rotary power between the motor shaft and the differential. The multi-speed reduction has an input shaft and at least three on-axis gears. The input shaft is rotatably coupled to the motor shaft. Each of the at least three on-axis gears is co-axial with the input shaft and is rotatable relative to the input shaft in at least one of a first speed ratio and a second speed ratio. The input shaft is axially movable along the axis between a first position, in which a first one of the at least three on-axis gears is rotationally coupled to the input shaft, and a second position in which a second one of the at least three on-axis gears is rotationally coupled to the input shaft.
B60K 1/00 - Arrangement or mounting of electrical propulsion units
B60K 6/36 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
B60K 6/40 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
F16H 3/02 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
F16H 3/08 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts
F16H 3/085 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts with more than one output shaft
F16H 3/093 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts
F16H 3/095 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts with means for ensuring an even distribution of torque between the countershafts
F16H 37/08 - Combinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with a plurality of driving or driven shaftsCombinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with arrangements for dividing torque between two or more intermediate shafts with differential gearing
A fixture for forming components of a rotating electrical machine that includes a main body defining a cavity, having a closed end, configured to receive a stack-up of metal plates forming a rotor or a stator; an end cap assembly, removably coupled to an open end of the cavity, having at least one spring that applies force in an axial direction toward the closed end of the main body; and an inductive heating system having an inductive loop that receives electrical current from a source and heats the metal plates.
H02K 1/06 - Details of the magnetic circuit characterised by the shape, form or construction
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
H02K 15/028 - Fastening stator or rotor bodies to casings, supports, shafts or hubs
H02K 15/12 - Impregnating, moulding insulation, heating or drying of windings, stators, rotors or machines
A cooling assembly for an electric drive system in a battery electric vehicle includes a gearbox fluid manifold assembly, configured to couple to a radial face of a stator of a rotating electrical machine; an end cap fluid manifold assembly, configured to couple to a radial face of a stator of a rotating electrical machine; or both the gearbox fluid manifold assembly and the end cap fluid manifold assembly.
B60K 11/02 - Arrangement in connection with cooling of propulsion units with liquid cooling
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
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
H02K 9/00 - Arrangements for cooling or ventilating
A cooling assembly for an electric drive system in a battery electric vehicle includes a gearbox fluid manifold assembly, configured to couple to a radial face of a stator of a rotating electrical machine; an end cap fluid manifold assembly, configured to couple to a radial face of a stator of a rotating electrical machine; or both the gearbox fluid manifold assembly and the end cap fluid manifold assembly.
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
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
F16H 57/04 - Features relating to lubrication or cooling
H02K 5/15 - Mounting arrangements for bearing-shields or end plates
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
A motor assembly having an inverter with a plurality of transistor assemblies. Each of the transistor assemblies can include a surface mount MOSFET, a heat sink, and a solder material. The MOSFET has a plurality of blade terminals and a surface mount terminal that is electrically coupled to one of the blade terminals. The heat sink has a base and a plurality of fins that extend from the base. The base defines a pocket having a bottom surface. The MOSFET is received into the pocket such that the surface mount terminal is disposed proximate the bottom surface. The solder material thermally coupling the surface mount terminal to the heat sink.
H02K 5/15 - Mounting arrangements for bearing-shields or end plates
H02K 9/22 - Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
H02K 11/21 - Devices for sensing speed or position, or actuated thereby
H02K 11/27 - Devices for sensing current, or actuated thereby
H02K 11/33 - Drive circuits, e.g. power electronics
H02P 27/06 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters
H05K 1/18 - Printed circuits structurally associated with non-printed electric components
8.
HEAT-SINKED POWER SEMICONDUCTOR WITH FOLDED FIN HEATSINK
A heat-sinked power semiconductor assembly includes a semiconductor die; a plurality of pin terminals electrically coupled to the semiconductor die; an encapsulant body at least partially enclosing the semiconductor die and the plurality of pin terminals; and a heat sink, coupled to the assembly, comprising a fin set having a plurality of fin members configured to receive a cooling fluid.
A rotor assembly for a rotating electrical machine includes a rotor shaft configured to couple to a rotor and prevent the angular displacement of the rotor shaft relative to the rotor; a fluid supply tube, located within the rotor shaft, configured to receive fluid at a near end; a fluid manifold, at an opposite end of the rotor shaft, in fluid communication with the fluid supply tube; and a rotor that includes a plurality of plates, having abutting radial sides, shaped, at an inner diameter, or between the inner diameter and an outer diameter, to form one or more fluid passages extending along an axis of shaft rotation and fluidly communicating with the fluid manifold.
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 1/32 - Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
A fixture for forming components of a rotating electrical machine that includes a main body defining a cavity, having a closed end, configured to receive a stack-up of metal plates forming a rotor or a stator; an end cap assembly, removably coupled to an open end of the cavity, having at least one spring that applies force in an axial direction toward the closed end of the main body; and an inductive heating system having an inductive loop that receives electrical current from a source and heats the metal plates.
H05B 6/10 - Induction heating apparatus, other than furnaces, for specific applications
H02K 21/14 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
11.
ELECTRIC DRIVE UNIT HAVING COVER SYSTEM FOR INTERACTING WITH HIGH VOLTAGE INTERLOCK CIRCUIT
A cover system configured for use in an electric drive unit, including a first high voltage interlock (HVIL) terminal configured to electrically couple to a first sensing terminal; a second HVIL terminal configured to electrically couple to a second sensing terminal; an exterior cover member, configured to releasably couple to a housing of the electric drive unit, including a conductor that faces a cavity of the housing; and an intermediate cover member, including spring contacts that are at least partially encapsulated by the intermediate cover member, the spring contacts having first ends exposed on one side of the intermediate cover member and second ends exposed on an opposite side of the intermediate cover member; the first ends releasably biased into physical and electrical engagement with the conductor, the second ends releasably biased into physical and electrical engagement with the first HVIL terminal or the second HVIL terminal.
H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
H02K 11/20 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
H02K 11/30 - Structural association with control circuits or drive circuits
12.
MULTI-SPEED ELECTRIC DRIVE AXLE USING MULTI-LAYSHAFT TRANSMISSION
An actuator assembly configured to be coupled to a multi-speed electric drive axle, having an output assembly, including an axially-movably member configured to couple to a multi-speed input portion of the multi-speed electric drive axle; a ball screw having an externally-threaded portion; a coupler, attached to the axially-movable member, having an internally threaded hub that meshingly engages the externally-threaded portion of the ball screw such that rotation of the ball screw linearly moves the coupler and the axially-movable member.
F16H 1/22 - Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shaftsToothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with arrangements for dividing torque between two or more intermediate shafts
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
B60K 1/00 - Arrangement or mounting of electrical propulsion units
F16H 48/12 - Differential gearings without gears having orbital motion
An electric motor includes a stator body that defines a rotor bore and a plurality of stator fluid channels; a plurality of electrically conductive windings forming a plurality of first winding loops extending axially outward from a first axial end of the stator body; and a generally annular body, unitarily formed from a thermally conductive and electrically insulating material, that surrounds the plurality of first winding loops and couples to the first axial end of the stator body, such that the generally annular body includes a plurality of first pins, attached to the generally annular body at a distal end of the plurality of first pins; and the plurality of first pins are configured to receive fluid from a cooling system.
H02K 1/20 - Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 3/24 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 9/197 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
An array of heat-sinked power semiconductors that includes a power semiconductor and a heat sink. The power semiconductor has a power semiconductor die, a plurality of first terminals and a second terminal. The power semiconductor die has a plurality of semiconductor terminals. Each of the first terminals is electrically coupled to an associated one of the semiconductor terminals. The second terminal is a surface mount terminal and is electrically coupled to one of the first terminals. The heat sink has a heat sink body and a plurality of fins. The heat sink body has a base and an exterior surface. The base is fixedly coupled directly to the surface mount terminal. The exterior surface has a fin mount portion to which the fins extend. At least a portion of the fin-mount portion is oriented non-parallel to base.
H01L 23/367 - Cooling facilitated by shape of device
H01L 23/36 - Selection of materials, or shaping, to facilitate cooling or heating, e.g. heat sinks
H01L 25/065 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices all the devices being of a type provided for in a single subclass of subclasses , , , , or , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
An electric drive unit having a multi-phase electric motor and an inverter that controls power to the electric motor. The inverter has an inverter mount, a plurality of power semiconductors that are mounted to the inverter mount, and a plurality of busbars. Each of the busbars has first and second busbar portions, each having a body and a plurality of fingers. The fingers on the first and second busbar portions are mechanically and electrically coupled to opposite sides of terminals on corresponding ones of the power semiconductors.
H02K 5/18 - Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
H02K 11/30 - Structural association with control circuits or drive circuits
H02K 11/33 - Drive circuits, e.g. power electronics
H02K 19/10 - Synchronous motors for multi-phase current
H02M 7/00 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output
H02P 27/06 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters
16.
ELECTRIC DRIVE MODULE HAVING A MOTOR ASSEMBLY WITH AN INVERTER THAT INCLUDES A LIQUID-COOLED SNUBBER
The present invention provides an electric drive module that includes a housing assembly, an electric motor, and an inveter. The electric drive module includes: a positive busbar, a ground busbar, a plurality of phase busbars, and an inverter having a plurality of power semiconductor devices coupled to at least one of the phase busbars, and one or more first heat sinks, each of the power semiconductor devices having a power terminal, the power terminal of each of the power semiconductor devices being mounted to the one or more first heat sinks, and a snubber having a plurality of snubber circuit elements, and a plurality of second heat sinks, and one or more cooling chambers configured to receive fluid and communicate the fluid to the one or more first heat sinks or the one or more second heat sinks.
H02K 11/00 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
H02K 11/04 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for rectification
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
17.
VEHICLE DRIVELINE COMPONENT HAVING A SENSOR-LESS ELECTROMAGNETIC ACTUATOR SYSTEM
A vehicle driveline component including an armature disposed along a translation axis; a coil assembly having a coil; a coil driver electrically coupled to the coil; the coil driver generates an electromagnetic field that causes relative motion between the coil assembly and the armature along the translation axis; an oscillator circuit having a resonant circuit including an inductor, the oscillator circuit electrically coupled to the coil generating an oscillating signal having a frequency that varies based on a spacing between the armature and the coil assembly along the translation axis; and a controller coupled to the oscillator circuit and the coil driver, wherein the controller is configured to apply a drive signal to the coil driver to provide the modulating power signal to the coil assembly, measure a frequency value of the oscillator circuit, and determine a position of the vehicle driveline component based on the measured frequency value.
F16H 48/24 - Arrangements for suppressing or influencing the differential action, e.g. locking devices using positive clutches or brakes
B60K 23/04 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for differential gearing
F16H 48/08 - Differential gearings with gears having orbital motion with orbital conical gears
G01D 5/20 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
18.
METHOD OF ADDITIVE MANUFACTURING USING A ROTARY TABLE
A method for manufacturing in which alternating layers of a powdered magnetically susceptible material and a powdered insulating material are deposited onto a table as it is rotated about a first rotational axis.
B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor
B22F 10/14 - Formation of a green body by jetting of binder onto a bed of metal powder
B22F 10/47 - Structures for supporting workpieces or articles during manufacture and removed afterwards characterised by structural features
B33Y 30/00 - Apparatus for additive manufacturingDetails thereof or accessories therefor
B33Y 80/00 - Products made by additive manufacturing
H02K 1/20 - Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 15/03 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
19.
POWER CONNECTOR ASSEMBLY FOR AN ELECTRIC DRIVE UNIT
A power connector assembly having first and second connector assemblies with mating housing members. The housing member of the first connector assembly includes a mounting flange having one or more apertures that are configured to receive threaded fasteners therethrough for securing the first connector assembly to another structure. The housing member of the second connector assembly has one or more shroud members that extend from the housing member and cover or shroud the apertures in the housing member of the first connector assembly to correspondingly limit access to the fasteners so that the fasteners cannot be removed while the first and second connector assemblies are connected to one another.
An electric drive axle with an electric motor having a motor shaft that is rotatable about an axis, a differential, and a transmission. The transmission transmits rotary power between the motor shaft and the differential. The multi-speed reduction has an input shaft and at least three on-axis gears. The input shaft is rotatably coupled to the motor shaft. Each of the at least three on-axis gears is co-axial with the input shaft and is rotatable relative to the input shaft in at least one of a first speed ratio and a second speed ratio. The input shaft is axially movable along the axis between a first position, in which a first one of the at least three on-axis gears is rotationally coupled to the input shaft, and a second position in which a second one of the at least three on-axis gears is rotationally coupled to the input shaft.
F16H 3/02 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
F16H 37/08 - Combinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with a plurality of driving or driven shaftsCombinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with arrangements for dividing torque between two or more intermediate shafts with differential gearing
F16H 57/021 - Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
F16H 57/037 - Gearboxes for accommodating differential gearing
F16H 57/04 - Features relating to lubrication or cooling
B60K 6/36 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
B60K 6/40 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
B60K 6/547 - Transmission for changing ratio the transmission being a stepped gearing
B60K 17/06 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of change-speed gearing
B60K 17/12 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of electric gearing
F16H 3/08 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts
F16H 3/085 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts with more than one output shaft
F16H 3/093 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts
F16H 3/095 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts with means for ensuring an even distribution of torque between the countershafts
A method for forming an electric motor that includes assembling a stator assembly to an encapsulation fixture in which a mandrel assembly with a sleeve and a mandrel core, which is at least partially positioned in a cavity of the sleeve, such that at least a portion of the mandrel assembly extends through a bore in the stator assembly; heating the encapsulation assembly to expand the sleeve of the mandrel assembly relative to the stator assembly to seal against at least a portion of an inner surface of the bore of the stator assembly; and injecting an encapsulant in a liquid form into the encapsulation fixture such that the encapsulant at least partly encapsulates the stator assembly at a portion of a void defined between a housing of the stator assembly and an outer diameter of the mandrel assembly.
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
An electric motor that includes a stator body, which defines a plurality of winding slots, and a field winding arrangement having a plurality of sets of field windings that include a plurality of conductors. Each of the conductors has a generally rectangularly shaped lateral cross-sectional area, and includes a pair of in-slot segments, a connector portion, and a pair of free ends. Each of the in-slot segments is received into a corresponding one of the winding slots. The connector portion coupling the pair of in-slot segments to one another at a first axial end of the in-slot segments. Each of the free ends being mechanically and electrically coupled to a corresponding one of the in-slot segments. The free ends of the conductors in each of the sets of field windings are electrically coupled in series to one another. The field winding arrangement is shrunk-fit to the stator body.
H02K 3/14 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots with transposed conductors, e.g. twisted conductors
H02K 3/34 - Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
H02K 3/50 - Fastening of winding heads, equalising connectors, or connections thereto
23.
GEARBOX ARCHITECTURE FOR A DUAL ELECTRIC DRIVE UNIT
A gearbox architecture for a dual electric drive unit, where each drive unit has an electric motor and a transmission. The gearbox architecture permits compact and cost-effective packaging of the transmissions into a housing to which the electric motors are mounted.
F16H 57/021 - Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
F16H 57/031 - GearboxesMounting gearing therein characterised by covers or lids for gearboxes
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
A vehicle with an electric drive axle having a motor, a differential, a pair of output shafts, a transmission, and first, second and third couplings. The electric drive axle is operable in a highway mode in which the first, second and third couplings are operated to permit power transmission from the motor to the differential so that the output shafts are driven by the differential. The electric drive axle is also operable in a tight-turn mode in which the first, second and third couplings are employed to inhibit power transmission between the motor and the differential, to inhibit rotation of the input of the differential and to provide rotary power to drive one of the output shafts in a first rotational direction so that differential action by the differential causes the other one of the output shaft to rotate in a second, opposite rotational direction.
B60K 17/22 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or type of main drive shafting, e.g. cardan shaft
B60K 1/00 - Arrangement or mounting of electrical propulsion units
B60K 17/16 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of differential gearing
B60K 17/06 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of change-speed gearing
B60K 17/02 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
An electric drive axle with an electric motor having a motor shaft that is rotatable about an axis, a differential, and a transmission. The transmission transmits rotary power between the motor shaft and the differential. The multi-speed reduction has an input shaft and at least three on-axis gears. The input shaft is rotatably coupled to the motor shaft. Each of the at least three on-axis gears is co-axial with the input shaft and is rotatable relative to the input shaft in at least one of a first speed ratio and a second speed ratio. The input shaft is axially movable along the axis between a first position, in which a first one of the at least three on-axis gears is rotationally coupled to the input shaft, and a second position in which a second one of the at least three on-axis gears is rotationally coupled to the input shaft.
B60K 17/16 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of differential gearing
B60K 1/00 - Arrangement or mounting of electrical propulsion units
B60K 6/40 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
B60K 6/547 - Transmission for changing ratio the transmission being a stepped gearing
B60K 17/06 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of change-speed gearing
F16H 3/02 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
F16H 3/08 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts
F16H 3/093 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts
B60K 6/36 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
B60K 17/12 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of electric gearing
F16H 3/085 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts with more than one output shaft
F16H 3/095 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears with two or more countershafts with means for ensuring an even distribution of torque between the countershafts
26.
MULTI-SPEED ELECTRIC DRIVE AXLE USING MULTI-LAYSHAFT TRANSMISSION
F16H 1/22 - Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shaftsToothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with arrangements for dividing torque between two or more intermediate shafts
F16H 48/12 - Differential gearings without gears having orbital motion
An electric drive axle with an electric motor having a motor shaft that is rotatable about an axis, a differential, and a transmission. The transmission transmits rotary power between the motor shaft and the differential. The multi-speed reduction has an input shaft and at least three on-axis gears. The input shaft is rotatably coupled to the motor shaft. Each of the at least three on-axis gears is co-axial with the input shaft and is rotatable relative to the input shaft in at least one of a first speed ratio and a second speed ratio. The input shaft is axially movable along the axis between a first position, in which a first one of the at least three on-axis gears is rotationally coupled to the input shaft, and a second position in which a second one of the at least three on-axis gears is rotationally coupled to the input shaft.
F16H 1/22 - Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shaftsToothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with arrangements for dividing torque between two or more intermediate shafts
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
B60K 1/00 - Arrangement or mounting of electrical propulsion units
An electric drive unit having a stator body, a plurality of sets of field windings mounted to the stator body, a rotor received in the stator body and rotatable relative to the stator body, a plurality of phase terminals, and a current sensor assembly. Each of the phase terminals is coupled to an associated one of the sets of field windings. The current sensor assembly has a plurality of current sensor laminations, and a sensor. The current sensor laminations are generally C-shaped and are abutted against one another to form a sensor lamination stack. The sensor lamination stack defines a gap. The current sensor laminations are disposed about a corresponding one of the phase terminals. The sensor is disposed in the gap.
H02K 1/20 - Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 5/15 - Mounting arrangements for bearing-shields or end plates
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 9/22 - Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
H02K 11/00 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
H02K 11/27 - Devices for sensing current, or actuated thereby
H02K 11/33 - Drive circuits, e.g. power electronics
An electric beam axle with a center tube, which is disposed coaxially about an output axis, and a pair of drive units that each include a housing assembly, which is fixedly coupled to the center tube, a motor assembly, which is coupled to the housing assembly and has a motor output shaft that is rotatable about a motor axis, a wheel hub assembly, which is fixedly coupled to the housing assembly and has a wheel hub that is rotatable about the output axis, and a transmission. The housing assembly has a tube mount, which defines a bore into which the center tube is received, and defines a cavity. The motor output shaft extends into the cavity. The transmission drivingly connects the motor output shaft to the wheel hub to transmit rotary power between the electric motor and the wheel hub. The output axis is offset from the motor axes.
F16H 48/10 - Differential gearings with gears having orbital motion with orbital spur gears
F16H 57/021 - Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
An array of heat-sinked power semiconductors that includes a power semiconductor and a heat sink. The power semiconductor has a power semiconductor die, a plurality of first terminals and a second terminal. The power semiconductor die has a plurality of semiconductor terminals. Each of the first terminals is electrically coupled to an associated one of the semiconductor terminals. The second terminal is a surface mount terminal and is electrically coupled to one of the first terminals. The heat sink has a heat sink body and a plurality of fins. The heat sink body has a base and an exterior surface. The base is fixedly coupled directly to the surface mount terminal. The exterior surface has a fin mount portion to which the fins extend. At least a portion of the fin-mount portion is oriented non-parallel to base.
H01L 23/367 - Cooling facilitated by shape of device
H01L 23/36 - Selection of materials, or shaping, to facilitate cooling or heating, e.g. heat sinks
H01L 25/065 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices all the devices being of a type provided for in a single subclass of subclasses , , , , or , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
32.
ELECTRIC DRIVE UNIT WITH MOTOR ASSEMBLY ISOLATED FROM BEAMING LOADS TRANSMITTED THROUGH HOUSING ASSEMBLY
An electric drive unit having an electric motor, a differential assembly, a transmission, which transmits rotary power between the electric motor and the differential assembly, a pair of axle shafts, which are drivingly coupled to output members of the differential assembly, and a housing assembly in which the electric motor, the differential assembly, the transmission, and the axle shafts are housed. The electric motor includes a stator, a rotor and a motor housing that houses the stator and the rotor. The motor housing is fixedly coupled the housing assembly. Bending loads transmitted through the motor housing are not transmitted through the electric motor.
A motor drive system has a rotor assembly that is rotatable about an axis and includes a hollow shaft, a tube, and one or more fin sets. The tube is received in the shaft and defines a first passage. The fin sets are disposed about the tube and are engaged to the shaft. Each fin set defines a plurality of circumferentially spaced apart fins that are coupled to the shaft and the tube. The first passage is configured to discharge fluid communicated therethrough into a return chamber that is formed in the rotor assembly. A plurality of second passages are formed between the shaft and fins and are in fluid communication with the return chamber.
H02K 1/32 - Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
B60K 17/356 - Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having fluid or electric motor, for driving one or more wheels
F16H 37/08 - Combinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with a plurality of driving or driven shaftsCombinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with arrangements for dividing torque between two or more intermediate shafts with differential gearing
F16H 48/10 - Differential gearings with gears having orbital motion with orbital spur gears
An electric drive unit having a disconnecting differential a multi-phase electric motor and an inverter that controls power to the electric motor. The inverter has an inverter mount, a plurality of power semiconductors that are mounted to the inverter mount, and a plurality of busbars. Each of the busbars has first and second busbar portions, each having a body and a plurality of fingers. The fingers on the first and second busbar portions are mechanically and electrically coupled to opposite sides of terminals on corresponding ones of the power semiconductors.
An electric drive unit with an electric motor, an input pinion, which is driven by an output shaft of the electric motor about a first axis, a pair of first gears, each of which is meshed with the input pinion and rotatable about a respective second axis, a second gear, which is meshed with the first gears and rotatable about a third axis, a third gear, which is driven by the second gear about the third axis, a fourth gear, which is meshed with the third gear and rotatable about a fourth axis, and a differential having a differential input, which is rotatably coupled to the third gear, and a pair of differential outputs that are driven by the differential input and rotatable about the fourth axis. The first, second, third and fourth axes are parallel to one another. The third axis is offset from the first and second axes.
F16H 48/10 - Differential gearings with gears having orbital motion with orbital spur gears
F16H 37/08 - Combinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with a plurality of driving or driven shaftsCombinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with arrangements for dividing torque between two or more intermediate shafts with differential gearing
B60K 1/00 - Arrangement or mounting of electrical propulsion units
B60K 17/356 - Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having fluid or electric motor, for driving one or more wheels
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
An array of heat-sinked power semiconductors that includes a power semiconductor and a heat sink. The power semiconductor has a power semiconductor die, a plurality of first terminals and a second terminal. The power semiconductor die has a plurality of semiconductor terminals. Each of the first terminals is electrically coupled to an associated one of the semiconductor terminals. The second terminal is a surface mount terminal and is electrically coupled to one of the first terminals. The heat sink has a heat sink body and a plurality of fins. The heat sink body has a base and an exterior surface. The base is fixedly coupled directly to the surface mount terminal. The exterior surface has a fin mount portion to which the fins extend. At least a portion of the fin-mount portion is oriented non-parallel to base.
An electrically-operated electric drive module for use in a vehicle framework that is configured for a powertrain that includes an internal combustion engine. The electrically-operated electric drive module permits the vehicle to be converted to an electrically propelled vehicle in a manner that is cost-effective and which is relatively low in weight.
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
H02K 11/33 - Drive circuits, e.g. power electronics
B60K 1/02 - Arrangement or mounting of electrical propulsion units comprising more than one electric motor
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
40.
Electric drive unit with a heat exchanger that is formed by disks having a disk spring portion and which are received into a bore in a rotor shaft of an electric motor
An electric drive unit that includes an electric motor having a rotor with a rotor shaft and a heat exchanger that is received in the rotor shaft. The heat exchanger has a plurality of heat exchanger plates, each of which having a hub, a rim member, and disc spring portion that interconnects the hub and the rib member. Each disk spring portion defines a plurality of coolant apertures. The heat exchanger plates are press-fit to the rotor shaft such that each disc spring portion is deflected from a pre-installation state, and each rim member is engaged to an interior surface of the rotor shaft while being spaced apart from adjacent rim members along a rotational axis of the rotor. A first coolant passage is disposed through the hubs of the plates. The coolant apertures in the heat exchanger plates cooperate to form a plurality of second coolant passages.
A vehicle driveline component that includes a tubular body, a relief valve, a vent cover and a pin. The tubular body has a first and second axial ends and defines an interior circumferential surface. The relief valve is mounted in the tubular body between the first and second axial ends. The vent cover is mounted to the tubular body and covers the second axial end. The pin is mounted to the tubular body at a location between the first axial end and the relief valve. The pin extends through the interior circumferential surface into a hollow interior of the tubular body.
F16K 27/02 - Construction of housingsUse of materials therefor of lift valves
F16H 57/027 - GearboxesMounting gearing therein characterised by means for venting gearboxes, e.g. air breathers
F16K 17/02 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side
A connecting rod includes an elongated body having a first connection end and a second connection end and an intermediate portion extending between the first connection end and the second connection end. The first connection end includes a cylindrical opening configured to receive a bushing and a link pin. The first connection end includes a first side face and a second side face each raised relative to the intermediate portion, the first side face includes a recessed slot that communicates with the cylindrical opening and an outer edge of the first side face. The slots can optionally be provided on the second side face, giving the connecting rod one or more slots on each side, which lubricate the link pin with splash oil.
A vehicle driveline component with a housing, a rotary power transmission system, a lubricant and a lubrication de-aerator. The housing defines a cavity and a sump. The rotary power transmission system is received in the cavity and includes a plurality of gears that are in meshing engagement. The lubricant is received in the sump and is employed to lubricate the rotary power transmission system. The lubrication de-aerator is received in the housing and has at least one matrix of de-aeration cells that extend between an upper surface and a lower surface. Each of the de-aeration cells has a cell inlet, which is formed through the upper surface, and a cell outlet that is formed through the lower surface. Each of the de-aeration cells tapers between its cell inlet and its cell outlet.
H02K 5/18 - Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 9/22 - Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
H02K 21/14 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
45.
Electric drive unit with rotor heat sink formed of heat sink elements
An electric drive unit that includes an electric motor having motor output shaft and a heat sink that is received therein. The heat sink is comprises of a plurality of discrete heat sink elements that are stacked together and inserted into the motor output shaft. The heat sink elements have central hubs that cooperate to form a coolant supply passage that extends centrally through the heat sink. Each of the heat sink elements defines a plurality of discrete coolant return passages that are relatively shorter in length than the central hubs so that a void annular space is formed between the coolant return passages of adjacent heat sink elements.
H02K 9/22 - Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
46.
ELECTRIC DRIVE UNIT WITH ROTOR HEAT SINK FORMED OF HEAT SINK ELEMENTS
An electric drive unit that includes an electric motor having motor output shaft and a heat sink that is received therein. The heat sink is comprises of a plurality of discrete heat sink elements that are stacked together and inserted into the motor output shaft. The heat sink elements have central hubs that cooperate to form a coolant supply passage that extends centrally through the heat sink. Each of the heat sink elements defines a plurality of discrete coolant return passages that are relatively shorter in length than the central hubs so that a void annular space is formed between the coolant return passages of adjacent heat sink elements.
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
H02K 5/18 - Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
H02K 9/22 - Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
H02K 21/14 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
47.
POWER TRANSMISSION DEVICE HAVING A FRICTION CLUTCH AND A CONTROLLER CONFIGURED TO DETERMINE AN APPROXIMATED TEMPERATURE OF THE FRICTION CLUTCH AND RESPONSIVELY CONTROL THE FRICTION CLUTCH
A power transmission device includes a friction clutch, an actuator, and a controller configured to determine an approximated temperature change of the friction clutch. The controller is configured to determine a current power state of the friction clutch, determine a desired power state change based on the current power state and a previous power state, determine a plurality of thermal coefficients based on a thermal coefficient model, the desired power state change, and a set of operation variables, determine an approximated temperature change of the friction clutch based on the thermal coefficients and a friction clutch temperature model, determine an approximated clutch temperature based on the approximated temperature change and a contemporaneous value of a device ambient temperature, and control operation of the actuator based at least on the approximated clutch temperature.
F16D 48/10 - Preventing unintentional or unsafe engagement
48.
POWER TRANSMISSION DEVICE HAVING A FRICTION CLUTCH AND A CONTROLLER CONFIGURED TO DETERMINE AN APPROXIMATED LUBRICANT TEMPERATURE OF THE FRICTION CLUTCH AND RESPONSIVELY CONTROL THE FRICTION CLUTCH
A power transmission device includes a friction clutch, an actuator with an output member, and a controller. The friction clutch is lubricated with a lubricant. The controller is configured to determine a current power state of the friction clutch and determine values for a plurality of thermal coefficients based on the current power state, a set of operation variables, and one or more multi-variable correlation data. The controller is further configured to determine an approximated temperature change of the lubricant based on the values of the plurality of thermal coefficients and a lubricant temperature model. The controller is further configured to determine an approximated lubricant temperature based on the approximated temperature change and a device ambient temperature, and to control operation of the actuator based at least on the approximated lubricant temperature.
An electric drive unit having an electric motor, a differential assembly, a transmission, which transmits rotary power between the electric motor and the differential assembly, a pair of axle shafts, which are drivingly coupled to output members of the differential assembly, and a housing assembly in which the electric motor, the differential assembly, the transmission, and the axle shafts are housed. The electric motor includes a stator, a rotor and a motor housing that houses the stator and the rotor. The motor housing is fixedly coupled the housing assembly. Bending loads transmitted through the motor housing are not transmitted through the electric motor.
B60K 1/00 - Arrangement or mounting of electrical propulsion units
B60K 17/16 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of differential gearing
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
50.
Electric drive unit with a heat exchanger that is formed by disks having a disk spring portion and which are received into a bore in a rotor shaft of an electric motor
An electric drive unit that includes an electric motor having a rotor with a rotor shaft and a heat exchanger that is received in the rotor shaft. The heat exchanger has a plurality of heat exchanger plates, each of which having a hub, a rim member, and disc spring portion that interconnects the hub and the rib member. Each disk spring portion defines a plurality of coolant apertures. The heat exchanger plates are press-fit to the rotor shaft such that each disc spring portion is deflected from a pre-installation state, and each rim member is engaged to an interior surface of the rotor shaft while being spaced apart from adjacent rim members along a rotational axis of the rotor. A first coolant passage is disposed through the hubs of the plates. The coolant apertures in the heat exchanger plates cooperate to form a plurality of second coolant passages.
A motor drive system with a rotor assembly having an insert, which is received into a blind hollow rotor space in a rotor shaft. The insert is unitarily and integrally formed and defines a central hole, which is disposed along a rotational axis of the rotor assembly, and a plurality of slots that extend through an outer circumferential surface of the insert. The insert is disposed in the rotor shaft such that the outer circumferential surface of the insert is engaged to the inside circumferential surface of the rotor shaft. The central hole forms a first fluid passage through the insert, while the slots form a plurality of second fluid passages through the insert.
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 1/32 - Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
An electric drive unit having an electric motor, a differential assembly, a transmission, which transmits rotary power between the electric motor and the differential assembly, a pair of axle shafts, which are drivingly coupled to output members of the differential assembly, and a housing assembly in which the electric motor, the differential assembly, the transmission, and the axle shafts are housed. The electric motor includes a stator, a rotor and a motor housing that houses the stator and the rotor. The motor housing is fixedly coupled the housing assembly. Bending loads transmitted through the motor housing are not transmitted through the electric motor.
An electric drive unit having an electric motor, a differential assembly, a transmission, which transmits rotary power between the electric motor and the differential assembly, a pair of axle shafts, which are drivingly coupled to output members of the differential assembly, and a housing assembly in which the electric motor, the differential assembly, the transmission, and the axle shafts are housed. The electric motor includes a stator, a rotor and a motor housing that houses the stator and the rotor. The motor housing is fixedly coupled the housing assembly. Bending loads transmitted through the motor housing are not transmitted through the electric motor.
An electric drive unit having a motor assembly with a stator, a rotor, which is rotatably received in the stator, and an inverter that includes an inverter mount, a plurality of heat-sinked power semiconductors, and a plurality of seal members. The inverter mount has a base that defines a plurality of terminal apertures. Each heat-sinked power semiconductor includes a power semiconductor, which has a body and a plurality of terminals that extend from the body, and a heat sink that is fixedly and thermally coupled to the body of the power semiconductor. The terminals of each of the power semiconductors are received through a corresponding one of the seal members and through a set of the terminal apertures. Each seal member forms a seal between the power semiconductor and the inverter mount that inhibits fluid flow through the terminal apertures.
H02K 11/33 - Drive circuits, e.g. power electronics
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
An electric drive unit having a motor assembly with a stator, a rotor, which is rotatably received in the stator, and an inverter that includes an inverter mount, a plurality of heat-sinked power semiconductors, and a plurality of seal members. The inverter mount has a base that defines a plurality of terminal apertures. Each heat-sinked power semiconductor includes a power semiconductor, which has a body and a plurality of terminals that extend from the body, and a heat sink that is fixedly and thermally coupled to the body of the power semiconductor. The terminals of each of the power semiconductors are received through a corresponding one of the seal members and through a set of the terminal apertures. Each seal member forms a seal between the power semiconductor and the inverter mount that inhibits fluid flow through the terminal apertures.
A piston assembly that includes a pair of piston members that are formed of compacted powdered metal. The piston members have sets of locking features that include alternating projections and recesses that are spaced circumferentially about and intersect a rod aperture that extends through the piston member. Each projection is formed along a projection axis, which extends radially from a center axis along which the rod aperture is formed, and has a pair of opposite side walls and an end wall that connects the side walls to one another on a side of the projection that is opposite the rod aperture. The recesses on each piston member are configured to matingly and frictionally receive the projections on the other piston member.
F16F 9/32 - Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium Details
A vehicle drive unit that provides improved power transfer to a differential input member of a differential assembly. The vehicle drive unit is configured with an interlock system that is configured to inhibit the supply of electrical power from a source of electrical power if certain predetermined conditions are not met.
F16H 37/08 - Combinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with a plurality of driving or driven shaftsCombinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with arrangements for dividing torque between two or more intermediate shafts with differential gearing
F16H 48/22 - Arrangements for suppressing or influencing the differential action, e.g. locking devices using friction clutches or brakes
F16H 57/037 - Gearboxes for accommodating differential gearing
F16D 23/06 - Arrangements for synchronisation with an additional friction cluch and a blocking mechanism preventing the engagement of the main clutch prior to synchronisation
An electric motor can include a stator body defining fluid channels extending axially for fluid communication between axial ends of the stator body. Conductive windings can form first loops extending axially outward from the first end of the stator body and second loops extending axially outward from the second end of the stator body. A first cap can be coupled to the first end of the stator body and can include a first wall. The first wall can be between the first loops and the channels. Pins can extend from a side of the first wall that is opposite the first loops. The second cap can be coupled to the second end of the stator body and include a second wall. The second wall can be between the second loops and the channels. Pins can extend from a side of the second wall that is opposite the second loops.
H02K 1/20 - Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 3/24 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 9/197 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
An electrically-operated electric drive module for use in a vehicle framework that is configured for a powertrain that includes an internal combustion engine. The electrically-operated electric drive module permits the vehicle to be converted to an electrically propelled vehicle in a manner that is cost-effective and which is relatively low in weight.
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
H02K 11/33 - Drive circuits, e.g. power electronics
B60K 1/02 - Arrangement or mounting of electrical propulsion units comprising more than one electric motor
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
61.
ELECTRICAL ASSEMBLY HAVING A HEAT SINK THAT IS UNITARILY AND INTEGRALLY FORMED WITH A LEAD OF A POWER SEMICONDUCTOR
An electrical assembly that includes a semiconductor die, a heat sink and a case. The semiconductor die includes a power semiconductor device with a plurality of terminals, and a plurality of electrically conductive leads. Each of the electrically conductive leads is electrically coupled to an associated one of the terminals on the power semiconductor device. The heat sink has a base, a mount, and a plurality of fins. The mount extends from a first side of the base and is coupled to the semiconductor die. The fins are fixedly coupled to the base and extend from a second side of the base that is opposite the first side of the base. The case is formed of a first electrically insulating material. A first one of the leads is integrally and unitarily formed with the mount.
H01L 23/28 - Encapsulation, e.g. encapsulating layers, coatings
H01L 23/367 - Cooling facilitated by shape of device
H01L 23/48 - Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads or terminal arrangements
H02K 9/22 - Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
H02M 7/537 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
An electronic locking differential that includes a movable electromagnet to selectively operate a dog clutch for locking a side gear to a carrier. The dog clutch includes a dog member having a plurality of legs that extend through leg apertures in the carrier. A cam mechanism is employed on the legs and the carrier to generate and apply a force to the dog member to maintain the dog member in an engaged position when torque is transmitted through the cam mechanism. The carrier is configured with an annular rib that surrounds a pocket. The annular rib has a frustoconical shape that matches that of a pole piece on the electromagnet. The electromagnet is received into the pocket when the electromagnet is operated and the dog member is in its engaged position.
F16H 48/08 - Differential gearings with gears having orbital motion with orbital conical gears
F16H 48/34 - Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means using electromagnetic or electric actuators
F16H 48/24 - Arrangements for suppressing or influencing the differential action, e.g. locking devices using positive clutches or brakes
F16D 27/00 - Magnetically-actuated clutchesControl or electric circuits therefor
A vehicle driveline component with a housing, a tube and a plurality of slugs. The housing has a tube mount with a body and a plurality of slug bores. The body defines a tube bore that extends along an axis. The slug bores are spaced circumferentially apart about and are formed through the body. Each of the slug bores intersects the tube bore. The tube is received in the tube bore. Each of the slugs is received into an associated one of the slug bores and is welded to the tube. Each of the slugs engages an inside surface of one of the slug bores to inhibit movement of the tube relative to the tube mount. The body has a wall thickness and each of the slugs engages the inside surface of one of the slug bores over a distance that is less than the wall thickness.
An electrical assembly that with an inverter that is mounted to the field windings of a stator. The inverter has a plurality of power semiconductor packages (PSP), each of which including a semiconductor die, a plurality of electric terminals, which are electrically coupled to the semiconductor die, and a heat sink with a base, which is fixedly and electrically coupled to one of the electric terminals, and a plurality of fins that extend axially from the base in a direction away from the semiconductor die. The PSP's are arranged in a circumferentially spaced apart manner. The fins are arranged in rows and are progressively longer in length from a radially-inner most fin to a radially-outer most fin. Slots are formed in the base on a radially-inner side of the base. Each slot extends toward a radially-outer side of the base and intersects a corresponding one of the rows of fins.
H02K 11/00 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
H02K 11/27 - Devices for sensing current, or actuated thereby
H02K 11/33 - Drive circuits, e.g. power electronics
H02K 9/22 - Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
H02K 1/20 - Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 5/15 - Mounting arrangements for bearing-shields or end plates
H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
67.
Tooling and method for fabricating helical sector gear and related helical sector gear
A helical sector gear having a body and a gear segment having a plurality of helical teeth. The gear segment has a toothed sector, on which all of the helical teeth are formed, and spacing segments on the opposite circumferential ends of the toothed sector. Each of the spacing segments has a circumferential surface, which is longer than a pitch of the helical teeth, and a radial surface that is formed in a helical manner that conforms to the helix angle of helical teeth. A die set for forming the helical sector gear and a related method are also provided.
B22F 5/08 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of toothed articles, e.g. gear wheelsManufacture of workpieces or articles from metallic powder characterised by the special shape of the product of cam discs
B23F 9/10 - Making gears having teeth curved in their longitudinal direction by milling, e.g. with helicoidal hob with a face-mill
Power transmission device having a friction clutch and a controller configured to determine an approximated lubricant temperature of the friction clutch and responsively control the friction clutch
A power transmission device includes a friction clutch, an actuator with an output member, and a controller. The friction clutch is lubricated with a lubricant. The controller is configured to determine a current power state of the friction clutch and determine values for a plurality of thermal coefficients based on the current power state, a set of operation variables, and one or more multi-variable correlation data. The controller is further configured to determine an approximated temperature change of the lubricant based on the values of the plurality of thermal coefficients and a lubricant temperature model. The controller is further configured to determine an approximated lubricant temperature based on the approximated temperature change and a device ambient temperature, and to control operation of the actuator based at least on the approximated lubricant temperature.
A method for forming a heat-sinked power semiconductor. The method includes: providing a power semiconductor having a power semiconductor die, a plurality of pin terminals and a plate terminal, the power semiconductor die having a plurality of semiconductor terminals, each of the pin terminals being electrically coupled to a corresponding one of the semiconductor terminals, the plate terminal being electrically coupled to one of the pin terminals, the plate terminal having an exterior surface that is covered with at least one sinter-resistant material; removing the at least one sinterresistant material from the plate terminal to expose the exterior surface; heating a heat sink to a predetermined temperature; and sintering the heat sink to the exterior surface of the plate terminal.
H01L 23/367 - Cooling facilitated by shape of device
H01L 23/488 - Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads or terminal arrangements consisting of soldered or bonded constructions
70.
Power transmission device having a friction clutch and a controller configured to determine an approximated temperature of the friction clutch and responsively control the friction clutch
A power transmission device includes a friction clutch, an actuator, and a controller configured to determine an approximated temperature change of the friction clutch. The controller is configured to determine a current power state of the friction clutch, determine a desired power state change based on the current power state and a previous power state, determine a plurality of thermal coefficients based on a thermal coefficient model, the desired power state change, and a set of operation variables, determine an approximated temperature change of the friction clutch based on the thermal coefficients and a friction clutch temperature model, determine an approximated clutch temperature based on the approximated temperature change and a contemporaneous value of an device ambient temperature, and control operation of the actuator based at least on the approximated clutch temperature.
An electric drive unit having an electric motor, which has a rotor and a stator that includes a stator core and field windings, a housing assembly into which the electric motor is received, and a seal member. The stator core defines a plurality of stator cooling passages that extend longitudinally through the stator core. Each of the field windings has a protruding portion that extends from an axial end of the stator core. The protruding portions are encapsulated in a plastic material. The housing assembly has an annular wall member that defines a seal groove. The seal member is received in the seal groove and forms a seal between the annular wall member and the plastic encapsulation on the protruding portion of the field windings. A coolant is circulated through the stator cooling channels, and the seal member inhibits ingress of the coolant between the stator and the rotor.
H02K 5/18 - Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
H02K 11/30 - Structural association with control circuits or drive circuits
H02K 11/33 - Drive circuits, e.g. power electronics
H01L 23/367 - Cooling facilitated by shape of device
H02K 19/10 - Synchronous motors for multi-phase current
H02M 7/00 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output
H02P 27/06 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters
72.
Vehicle driveline component having a lubrication de-aerator
A vehicle driveline component with a housing, a rotary power transmission system, a lubricant and a lubrication de-aerator. The housing defines a cavity and a sump. The rotary power transmission system is received in the cavity and includes a plurality of gears that are in meshing engagement. The lubricant is received in the sump and is employed to lubricate the rotary power transmission system. The lubrication de-aerator is received in the housing and has at least one matrix of de-aeration cells that extend between an upper surface and a lower surface. Each of the de-aeration cells has a cell inlet, which is formed through the upper surface, and a cell outlet that is formed through the lower surface. Each of the de-aeration cells tapers between its cell inlet and its cell outlet.
An electric drive unit having a multi-phase electric motor and an inverter with a plurality of power semiconductors, an inverter mount, and a plurality of busbars. The power semiconductors are mounted to the base of the inverter mount in an annular arrangement and with the terminals of the power semiconductors extending through the base. Each of the busbars has a first busbar portion, which includes a first body and a set of first fingers that are fixedly coupled to the first body, and a second busbar portion that includes a second body and a set of second fingers that are fixedly coupled to the second body. Associated fingers in the first and second sets of fingers of each bus bar are mechanically and electrically coupled to opposite sides of a corresponding one of the terminals.
H02K 11/33 - Drive circuits, e.g. power electronics
H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
H02K 5/18 - Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
H02K 11/30 - Structural association with control circuits or drive circuits
H01L 23/367 - Cooling facilitated by shape of device
H02K 19/10 - Synchronous motors for multi-phase current
H02M 7/00 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output
H02P 27/06 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters
An electric drive unit with a transmission and an output shaft. The transmission includes an input pinion, an output gear and a pair of compound gears that are drivingly disposed between the input pinion and the output gear. The output gear includes a hub and a gear portion having teeth that are disposed circumferentially about the hub. The hub defines an internally splined segment and a pair of bearing mounts onto which a pair of bearings are mounted. The teeth of the gear portion are located along the output axis between the first and second circumferential bearing surfaces. The internally splined segment is engaged with an externally splined segment on the output shaft.
B60K 17/04 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing
B60K 17/22 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or type of main drive shafting, e.g. cardan shaft
An electric drive unit having a stator, a rotor received in the stator and rotatable about a central longitudinal axis, and an inverter assembly that includes a plurality of power semiconductors, a plurality of heat sinks and an end plate. The power semiconductors are thermally coupled to the heat sinks. Each of the heat sinks has a plurality of fins that extend into a flow channel that is coaxial with the plurality of sets of field windings. The end plate is coupled to the power semiconductors and has a projection, which is sealingly coupled to the stator and which and partly defines an annular cavity, and a coolant port that is coupled in fluid communication with the annular cavity. The flow channel is in fluid communication with and disposed in a flow path between the annular cavity and the cooling channels in the stator body.
H02K 1/20 - Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 11/00 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
H02K 11/27 - Devices for sensing current, or actuated thereby
H02K 11/33 - Drive circuits, e.g. power electronics
H02K 5/15 - Mounting arrangements for bearing-shields or end plates
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 9/22 - Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
H01L 23/373 - Cooling facilitated by selection of materials for the device
H01L 23/00 - Details of semiconductor or other solid state devices
An electrically-operated electric drive module for use in a vehicle framework that is configured for a powertrain that includes an internal combustion engine. The electrically-operated electric drive module permits the vehicle to be converted to an electrically propelled vehicle in a manner that is cost-effective and which is relatively low in weight.
An electric drive unit having a multi-phase electric motor and an inverter that controls power to the electric motor. The inverter has an inverter mount, a plurality of power semiconductors that are mounted to the inverter mount, and a plurality of busbars. Each of the busbars has first and second busbar portions, each having a body and a plurality of fingers. The fingers on the first and second busbar portions are mechanically and electrically coupled to opposite sides of terminals on corresponding ones of the power semiconductors.
A damped isolation pulley having a hub, a pulley disposed concentrically about the hub, an isolation spring, an inertia ring and an electro-adhesive clutch. The hub is configured to be mounted to a crankshaft of an internal combustion engine. The isolation spring is formed of an elastomeric material and couples the pulley to the hub. The inertia ring is resiliently coupled to the hub and is rotationally de-coupled from the pulley. The electro-adhesive clutch has a clutch input member that is coupled to the pulley and can be operated to form an alternate torque path between the pulley and the hub that does not include the isolation spring.
F16D 27/14 - Magnetically-actuated clutchesControl or electric circuits therefor Details
F16F 15/12 - Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
F16F 15/126 - Plastics springs, e.g. made of rubber consisting of at least one annular element surrounding the axis of rotation
An electric drive unit having a multi-phase electric motor and an inverter that controls power to the electric motor. The inverter has an inverter mount, a plurality of power semiconductors that are mounted to the inverter mount, and a plurality of busbars. Each of the busbars has first and second busbar portions, each having a body and a plurality of fingers. The fingers on the first and second busbar portions are mechanically and electrically coupled to opposite sides of terminals on corresponding ones of the power semiconductors.
H02K 11/33 - Drive circuits, e.g. power electronics
H02M 7/00 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
H02M 7/44 - Conversion of DC power input into AC power output without possibility of reversal by static converters
An electric drive unit has a differential assembly and an actuator. The differential assembly comprises a differential case, a differential gearset, and first and second differential output members, wherein the second differential output member is configured to move between a first position and a second position. The actuator has an actuator fork that engages an actuation flange, wherein the actuation flange is moved by the actuator.
An electric drive unit has a differential assembly and an actuator. The differential assembly comprises a differential case, a differential gearset, and first and second differential output members, wherein the second differential output member is configured to move between a first position and a second position. The actuator has an actuator fork that engages an actuation flange, wherein the actuation flange is moved by the actuator.
An electrically-operated electric drive module for use in a vehicle framework that is configured for a powertrain that includes an internal combustion engine. The electrically-operated electric drive module permits the vehicle to be converted to an electrically propelled vehicle in a manner that is cost-effective and which is relatively low in weight.
An electric drive unit include a housing, a motor coupled to the housing, a transmission and an output gear received in the housing, and a differential assembly. The motor has a motor output shaft rotatable about a motor axis. The transmission has an input pinion and a pair of first compound gears. The input pinion is coupled to the motor output shaft for rotation therewith. Each of the first compound gears is rotatable about a first intermediate axis parallel to the motor axis, has a first gear meshingly engaged with the input pinion, and a second gear coupled to the first gear for rotation therewith. The output gear is driven by the transmission and is rotatable about an output axis. The differential assembly has a differential input member and a pair of differential output members. The differential input member is coupled to the output gear for rotation therewith. Each of the differential output members is rotatable relative to the differential input member about the output axis.
B60K 1/00 - Arrangement or mounting of electrical propulsion units
B60K 17/04 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing
B60K 17/16 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of differential gearing
84.
ELECTRIC DRIVE UNIT WITH A HEAT EXCHANGER THAT IS FORMED BY DISKS HAVING A DISK SPRING PORTION AND WHICH ARE RECEIVED INTO A BORE IN A ROTOR SHAFT OF AN ELECTRIC MOTOR
An electric drive unit that includes an electric motor having a rotor with a rotor shaft and a heat exchanger that is received in the rotor shaft. The heat exchanger has a plurality of heat exchanger plates, each of which having a hub, a rim member, and disc spring portion that interconnects the hub and the rib member. Each disk spring portion defines a plurality of coolant apertures. The heat exchanger plates are press-fit to the rotor shaft such that each disc spring portion is deflected from a pre-installation state, and each rim member is engaged to an interior surface of the rotor shaft while being spaced apart from adjacent rim members along a rotational axis of the rotor. A first coolant passage is disposed through the hubs of the plates. The coolant apertures in the heat exchanger plates cooperate to form a plurality of second coolant passages.
H02K 9/22 - Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
85.
ELECTRIC DRIVE UNIT WITH A HEAT EXCHANGER THAT IS FORMED BY DISKS HAVING A DISK SPRING PORTION AND WHICH ARE RECEIVED INTO A BORE IN A ROTOR SHAFT OF AN ELECTRIC MOTOR
An electric drive unit that includes an electric motor having a rotor with a rotor shaft and a heat exchanger that is received in the rotor shaft. The heat exchanger has a plurality of heat exchanger plates, each of which having a hub, a rim member, and disc spring portion that interconnects the hub and the rib member. Each disk spring portion defines a plurality of coolant apertures. The heat exchanger plates are press-fit to the rotor shaft such that each disc spring portion is deflected from a pre-installation state, and each rim member is engaged to an interior surface of the rotor shaft while being spaced apart from adjacent rim members along a rotational axis of the rotor. A first coolant passage is disposed through the hubs of the plates. The coolant apertures in the heat exchanger plates cooperate to form a plurality of second coolant passages.
H02K 9/22 - Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
H02K 1/32 - Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
A method includes determining a vector state of an alternating current (AC) electrical machine. The method includes, when the vector state is a zero-vector state, obtaining a plurality of phase current samples of the AC electrical machine, determining a decay time constant based on the plurality of phase current samples, and determining a resistance of a winding of the AC electrical machine based on the decay time constant. The method further includes selectively activating a plurality of switches of an inverter configured to provide power to the AC electrical machine based at least on the resistance of the winding of the AC electrical machine.
H02P 21/14 - Estimation or adaptation of machine parameters, e.g. flux, current or voltage
H02P 25/18 - Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring with arrangements for switching the windings, e.g. with mechanical switches or relays
H02P 27/08 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters with pulse width modulation
87.
METHODS AND SYSTEMS FOR DETECTING A WINDING RESISTANCE AND WINDING TEMPERATURE OF AN ALTERNATING CURRENT ELECTRICAL MACHINE
A method includes determining a vector state of an alternating current (AC) electrical machine. The method includes, when the vector state is a zero-vector state, obtaining a plurality of phase current samples of the AC electrical machine, determining a decay time constant based on the plurality of phase current samples, and determining a resistance of a winding of the AC electrical machine based on the decay time constant.
H02P 6/16 - Circuit arrangements for detecting position
H02P 27/08 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters with pulse width modulation
88.
METHODS AND SYSTEMS FOR DETECTING A WINDING RESISTANCE AND WINDING TEMPERATURE OF AN ALTERNATING CURRENT ELECTRICAL MACHINE
A method includes determining a vector state of an alternating current (AC) electrical machine. The method includes, when the vector state is a zero-vector state, obtaining a plurality of phase current samples of the AC electrical machine, determining a decay time constant based on the plurality of phase current samples, and determining a resistance of a winding of the AC electrical machine based on the decay time constant.
H02P 6/16 - Circuit arrangements for detecting position
H02P 27/08 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters with pulse width modulation
H02P 21/14 - Estimation or adaptation of machine parameters, e.g. flux, current or voltage
89.
Isolated drive assembly with an isolator assembly and a torque limiter for limiting the transmission of torque through an elastomeric element of the isolator assembly
An isolated drive assembly that includes a drive member, which is rotatable about a rotational axis, a drive member hub, which is rotatable about the rotational axis relative to the drive member, an isolator assembly, which has an elastomeric element that transmits rotary power between the drive member and the drive member hub, and a torque limiter. The torque limiter has first and second sets of engagable limiter elements that limit rotation of the drive member relative to the drive member hub in opposite rotational directions to limit a magnitude of a moment that is transmitted through the elastomeric element.
F16D 7/04 - Slip couplings, e.g. slipping on overload, for absorbing shock of the ratchet type
F16H 7/02 - Gearings for conveying rotary motion by endless flexible members with beltsGearings for conveying rotary motion by endless flexible members with V-belts
90.
Method for assembling a vehicle driveline component
A method of assembling a vehicle driveline component that includes: positioning a rotary component and first race member on a fixture such that the first race member is concentric with a first race of the component; offsetting the first race member along the rotational axis relative to the first race; providing an annular bearing arrangement having balls and spacers; positioning the arrangement such that the centers of the balls are along a loading cylinder disposed concentrically about the rotational axis; moving the arrangement so the balls seat in the first race and the centers are distributed along an installation circle that is: a) larger in diameter than the loading cylinder if the first race is an outer race of a bearing assembly; or b) smaller in diameter than the loading cylinder if the first race is an inner race of a bearing assembly.
B62D 65/02 - Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
B23P 19/04 - Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformationTools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
B62D 65/10 - Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components the sub-units or components being engines, clutches or transmissions
An axle assembly with a housing, an annular gear, a bearing, a differential, and a pair of output shafts. The housing has an annular hub. The annular gear is received in the housing. The bearing, which is a four-point angular contact bearing, supports the gear for rotation about an axis relative to the housing and has an inner bearing race, which is mounted on the annular hub, and an outer bearing race that is fixedly coupled to the annular gear. The differential is received in the housing and includes an input member, which is coupled to the annular gear for rotation therewith, and a pair of output members that are rotatable relative to the input member about the output axis. Each of the output shafts is coupled to an associated one of the output members for rotation therewith. One of the output shafts extends through the annular hub.
An electric drive module having a motor and an inverter that are disposed in a housing The motor includes a stator, which has a plurality of sets of windings. The inverter has a plurality of power semiconductors, which are mounted into a retaining member, an end plate, which is sealingly coupled to the retaining member, and an inlet port that extends through the end plate. Sets of the semiconductor devices are electrically coupled to corresponding sets of the windings. Power terminals on the semiconductor devices are coupled to a heat sink. Fins on the heat sinks extend into an annular region that is adjacent to axial ends of the windings. At least one of the retaining member and the end plate is sealingly coupled to the housing assembly. The inlet port, the annular region and cooling passages in the stator are coupled in fluid communication.
H02K 9/22 - Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
H02K 11/21 - Devices for sensing speed or position, or actuated thereby
An electric drive module that includes an electric motor, a differential assembly, and a transmission that transmits rotary power between the electric motor and the differential assembly. The transmission has first and second reductions. The first reduction has a drive gear, which is rotatable about a first axis, and a pair of first reduction gears that are each meshingly engaged to the drive gear rotatable about a respective second axis. The second axes are spaced apart from one another and are parallel to the first axis. The second reduction has a driven gear and a pair of second reduction gears. The driven gear is rotatable about a third axis that is parallel to the first axis. Each of the second reduction gears is being meshingly engaged to the driven gear and non-rotatably coupled to an associated one of the first reduction gears.
B60K 1/00 - Arrangement or mounting of electrical propulsion units
F16H 37/08 - Combinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with a plurality of driving or driven shaftsCombinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with arrangements for dividing torque between two or more intermediate shafts with differential gearing
F16H 48/08 - Differential gearings with gears having orbital motion with orbital conical gears
A vehicle driveline component with a ball-ramp mechanism that includes a first ball-ramp ring, a second ball-ramp ring and a plurality of balls. Each of the first and second ball-ramp rings have a plurality of ball supports that define ball tracks that receive the balls. Each of the ball supports has a first radial width at a first location and a second radial width at a second location. The first and second widths are different to minimize the amount of material that forms the first and second ball-ramp rings.
An actuator includes a first ball-ramp plate, a second ball-ramp plate, and a plurality of balls. The first ball-ramp plate is formed of compressed powdered metal with ramps having a higher density than at least part of a remainder of the ball-ramp component. A method of manufacturing the actuator includes compacting a metal powder to form a blank of the first ball-ramp plate including an annular body disposed about an axis and a plurality of ramps fixedly coupled to the annular body and spaced circumferentially about the axis, and locally densifying the ramps of the blank by applying force to a ramped surface of each ramp.
F16D 23/12 - Mechanical clutch-actuating mechanisms arranged outside the clutch as such
B22F 5/08 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of toothed articles, e.g. gear wheelsManufacture of workpieces or articles from metallic powder characterised by the special shape of the product of cam discs
B22F 3/24 - After-treatment of workpieces or articles
B22F 3/16 - Both compacting and sintering in successive or repeated steps
96.
Vehicle driveline component having a housing with a lube feed ramp for providing increased lubrication to a bearing that supports a pinion
A vehicle driveline component having a housing with a lube feed ramp between a bearing bore and a surface in which a first end of a lubricant channel is formed. The bearing supports a pinion for rotation about a first axis. The surface is transverse to the bearing bore. The lube feed ramp is defined by a warped planar surface that provides a transverse transformation between the bearing bore and the surface that is transverse to the bearing bore. The lube feed ramp is configured to direct a portion of a lubricant exiting the bearing into the first end of the lubrication channel.
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
Custom manufacture of automobile parts to the order and specification of others Engineering services, namely, engineering for the field of land vehicle production
98.
Electric drive module with transmission having parallel twin gear pairs sharing load to a final drive gear
An electric drive module that includes an electric motor, a differential assembly, and a transmission that transmits rotary power between the electric motor and the differential assembly. The transmission has first and second reductions. The first reduction has a drive gear, which is rotatable about a first axis, and a pair of first reduction gears that are each meshingly engaged to the drive gear rotatable about a respective second axis. The second axes are spaced apart from one another and are parallel to the first axis. The second reduction has a driven gear and a pair of second reduction gears. The driven gear is rotatable about a third axis that is parallel to the first axis. Each of the second reduction gears is being meshingly engaged to the driven gear and non-rotatably coupled to an associated one of the first reduction gears.
F16H 48/08 - Differential gearings with gears having orbital motion with orbital conical gears
F16H 37/08 - Combinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with a plurality of driving or driven shaftsCombinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with arrangements for dividing torque between two or more intermediate shafts with differential gearing
A drive system with one or more electrically driven axles, a transmission subsystem, which is drivingly coupled to a drive gearbox of each of the electrically driven axles, first and second motors, which are each drivingly coupled to the transmission subsystem and have different motor characteristics, and a controller. The drive gearbox of each axle transmits rotary power to an associated set of vehicle wheels. The controller controls the first and second motors responsive to at least a torque request. Over a significant portion of the operating range of the drive system, the controller is configured to vary the respective magnitudes of the rotary power provided by the first and second motors to satisfy the torque request in a manner that maximizes a combined efficiency of the motors in a predetermined manner.
H02P 6/04 - Arrangements for controlling or regulating the speed or torque of more than one motor
B60L 15/20 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
B60K 1/02 - Arrangement or mounting of electrical propulsion units comprising more than one electric motor
B60K 17/356 - Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having fluid or electric motor, for driving one or more wheels
B60L 1/02 - Supplying electric power to auxiliary equipment of electrically-propelled vehicles to electric heating circuits
An electric drive module having a motor and an inverter that are disposed in a housing The motor includes a stator, which has a plurality of sets of windings. The inverter has a plurality of power semiconductors, which are mounted into a retaining member, an end plate, which is sealingly coupled to the retaining member, and an inlet port that extends through the end plate. Sets of the semiconductor devices are electrically coupled to corresponding sets of the windings. Power terminals on the semiconductor devices are coupled to a heat sink. Fins on the heat sinks extend into an annular region that is adjacent to axial ends of the windings. At least one of the retaining member and the end plate is sealingly coupled to the housing assembly. The inlet port, the annular region and cooling passages in the stator are coupled in fluid communication.
H02K 9/22 - Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
H02K 11/21 - Devices for sensing speed or position, or actuated thereby