Abstract

An electrical assembly structure includes electric circuitry, a first waterproof layer, and a second waterproof layer. The electric circuitry includes an electric unit and a lead wire electrically connected to the electric unit. The lead wire includes an inner section, an outer section, and an intermediate section between the inner section and the outer section. The inner section is connected to the electric unit. The first waterproof layer covers the electric unit and the inner section. The second waterproof layer covers the intermediate section and is connected to the first waterproof layer. The second waterproof layer is located between the outer section and the first waterproof layer. The outer section is exposed outside the second waterproof layer. A material of the second waterproof layer is softer than a material of the first waterproof layer. Motors including the electrical assembly structure are also disclosed.

IPC Classes  ?

• H02K 3/44 - Protection against moisture or chemical attackWindings specially adapted for operation in liquid or gas
• H02K 3/50 - Fastening of winding heads, equalising connectors, or connections thereto
• H02K 11/33 - Drive circuits, e.g. power electronics
• H05K 5/06 - Hermetically-sealed casings

Abstract

A motor with a plurality of stator modules and a driving method of the motor are provided. The motor includes a plurality of stator modules, a control unit, and a rotor. The plurality of stator modules is detachably assembled into a motor stator. Each of the plurality of stator modules includes a driving circuit. Each driving circuit is electrically connected to a plurality of coils of an associated one of the plurality of stator modules. The control unit is coupled to the driving circuits. The control unit designates one of the plurality of stator modules as a starting unit and designates remaining stator modules as relay units. The rotor includes at least one magnetic member corresponding to the plurality of coils of the plurality of stator modules. The starting unit drives the rotor to rotate. The relay units drive the rotor according to a phase change of the starting unit.

IPC Classes  ?

• H02K 11/33 - Drive circuits, e.g. power electronics
• H02K 1/14 - Stator cores with salient poles
• H02K 1/2706 - Inner rotors
• H02K 11/215 - Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements

Abstract

A cooling device includes a partitioning board abutting inner faces of two boards, respectively. A chamber is defined between the partitioning board and one of the two boards. Another chamber is defined between the partitioning board and another of the two boards and intercommunicates with the chamber via an intercommunication port and a backflow port of the partitioning board. A pump drives a working fluid to circulate in the two chambers. Two welding channels are formed on outer faces of the two boards and surround the two chambers, respectively. The smallest distance between a channel bottom face of each annular welding channel and the inner face of a respective board having the annular welding channel is smaller than that between the inner and outer faces of the respective board. The two boards are coupled to the partitioning board along the annular welding channels by laser welding.

IPC Classes  ?

• F28D 15/04 - Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls in which the medium condenses and evaporates, e.g. heat-pipes with tubes having a capillary structure
• B23P 15/26 - Making specific metal objects by operations not covered by a single other subclass or a group in this subclass heat exchangers

Abstract

An electronic equipment with an immersion cooling system includes a sealed tank filled with an electrically non-conductive liquid which is a single-phase electrically non-conductive liquid; a plurality of slots disposed in the sealed tank; at least one electric unit removably inserted in the plurality of slots and including at least one heat source; and an air supply unit disposed in the sealed tank. The air supply unit includes a ventilation tube unit and a plurality of air diffuser. The plurality of air diffusers is coupled with the ventilation tube unit, is immersed in the electrically non-conductive liquid, and is configured to generate bubbles for stirring the electrically non-conductive liquid.

IPC Classes  ?

• H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating

Abstract

A motor includes a plurality of stator modules, a plurality of circuit boards, a rotor, and a sensing module coupled to the circuit boards. The stator modules are detachably assembled into a stator assembly. Each stator module includes pole posts and coils of different phases wound around the pole posts. Each circuit board is electrically connected to the coils of an associated stator module. Each circuit board independently switches the associated stator module between the different phases. A power source supplies power to the coils via the circuit boards. The rotor includes at least one magnetic member which has magnetic poles corresponding to the coils of the stator modules. The sensing module detects a magnetic field change of the at least one magnetic member responsive to a movement of the rotor, determines a rotational position of the rotor, and informs each circuit board about the rotational position of the rotor.

IPC Classes  ?

• H02K 1/14 - Stator cores with salient poles
• H02K 3/52 - Fastening salient pole windings or connections thereto

Abstract

A chip device is provided. The chip device includes a substrate, at least one chip, a sealing component, a heat-conducting medium, a barrier, and a heat dissipation device. The at least one chip is disposed over a first surface of the substrate and has a heat transfer surface. The sealing component covers the at least one chip and has a heat transfer area thermal contacting the heat transfer surface of the at least one chip. The heat-conducting medium is disposed over the heat transfer area of the sealing component. The barrier is disposed around and blocks the heat-conducting medium. The heat dissipation device is disposed over the heat transfer area of the sealing component and on the heat-conducting medium. The chip device can block the heat-conducting medium through the barrier to prevent the heat-conducting medium from overflowing or losing between the sealing component and the heat dissipation device.

IPC Classes  ?

• H01L 23/42 - Fillings or auxiliary members in containers selected or arranged to facilitate heating or cooling
• H01L 23/04 - ContainersSeals characterised by the shape
• H01L 23/367 - Cooling facilitated by shape of device

Abstract

A cooling fan includes a fan frame and an impeller. The fan frame includes a substrate, a sidewall connected to the substrate, and a lid connected to the sidewall and opposite to the substrate. An air inlet is formed in the lid. The substrate, the sidewall, and the lid together define at least one air outlet. The impeller is rotatably mounted in the fan frame. A plurality of bulges protrudes from an inner face of the sidewall and/or an inner face of the lid.

IPC Classes  ?

• F04D 29/42 - CasingsConnections for working fluid for radial or helico-centrifugal pumps
• F04D 17/16 - Centrifugal pumps for displacing without appreciable compression

Abstract

A cooling module includes a first casing, a second casing, and a cooling unit. The first casing includes a lower chamber filled with at least one working fluid. The first casing includes a heat source connecting face. The second casing includes an upper chamber. The cooling unit is located between the first and second casings. The cooling unit includes a plurality of tubes. Each of the plurality of tubes includes an end intercommunicating with the lower chamber and another end intercommunicating with the upper chamber, thereby the lower and upper chambers intercommunicate with each other. A plurality of cooling fin units is coupled to outer peripheries of the plurality of tubes. An angle between each of the plurality of tubes and the heat source connecting face is larger than 0° and smaller than 90°, or each of the plurality of tubes is parallel to the heat source connecting face.

IPC Classes  ?

• H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
• F28F 9/00 - CasingsHeader boxesAuxiliary supports for elementsAuxiliary members within casings
• F28F 9/007 - Auxiliary supports for elements

Abstract

An immersion cooling system includes a sealed tank having a chamber. A circulating layer and a working layer are respectively formed by first and second working liquids filled in the chamber and are contiguous to each other. The boiling point of the second working liquid is higher than that of the first working liquid. The density of the second working liquid is lower than that of the first working liquid. The first and second working liquids do not dissolve in each other. A circulating cooling module includes a circulating pipeline having first and second ports located in the chamber. The circulating pipeline also has a heat absorbing section and a condensation section located between the first and second ports. The heat absorbing section is located in the working layer. The first working liquid flows into the circulating pipeline from the first port and circulates in the circulating pipeline.

IPC Classes  ?

• H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating

Abstract

A cooling device includes a partitioning board abutting inner faces of two boards, respectively. A chamber is defined between the partitioning board and one of the two boards. Another chamber is defined between the partitioning board and another of the two boards and intercommunicates with the chamber via an intercommunication port and a backflow port of the partitioning board. A pump drives a working fluid to circulate in the two chambers. Two welding channels are formed on outer faces of the two boards and surround the two chambers, respectively. The smallest distance between a channel bottom face of each annular welding channel and the inner face of a respective board having the annular welding channel is smaller than that between the inner and outer faces of the respective board. The two boards are coupled to the partitioning board along the annular welding channels by laser welding.

IPC Classes  ?

• F28D 15/04 - Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls in which the medium condenses and evaporates, e.g. heat-pipes with tubes having a capillary structure
• B23P 15/26 - Making specific metal objects by operations not covered by a single other subclass or a group in this subclass heat exchangers

Goods & Services

External cooling fans for game consoles

Abstract

A liquid cooling module includes a housing having first and second chambers filled with a working fluid and intercommunicating with each other via an intercommunicating port and a backflow port. A pump is received in the housing and is aligned with the intercommunicating port. The pump includes a stator driving an impeller to rotate, driving the working fluid to flow from the first chamber through the intercommunicating port, the stator, and the impeller. The working fluid flows through the second chamber back into the first chamber via the backflow port. An electronic device includes a casing, an electric module received in the casing and including a heat generating area, and the liquid cooling module. The liquid cooling module is disposed in the casing and is in thermal connection with the heat generating area via a heat absorbing zone of the housing aligned with the first chamber or the second chamber.

IPC Classes  ?

• H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
• F04D 13/06 - Units comprising pumps and their driving means the pump being electrically driven
• G06F 1/20 - Cooling means

Abstract

A slim pump according to the present invention includes a frame, a shaft-coupling portion, a stator, and an impeller. The frame includes an interior separated by a partitioning board into a first chamber and a second chamber. A flow inlet intercommunicates with the first chamber and a flow outlet intercommunicates with the second chamber. The first chamber is intercommunicated with the second chamber via a communication hole of the partitioning board. The shaft-coupling portion is located in the frame. The stator is disposed around the shaft-coupling portion and is located within an axial extent of the first chamber. The stator is axially aligned with the communication hole. The impeller includes a plurality of blades and an inlet opening located in the second chamber. The inlet opening faces and axially aligns with the communication hole.

IPC Classes  ?

• F04D 13/06 - Units comprising pumps and their driving means the pump being electrically driven
• F04D 29/42 - CasingsConnections for working fluid for radial or helico-centrifugal pumps

Abstract

An impeller includes a hub, a plurality of blades provided around an outer periphery of the hub, and at least two connecting rings connected to the plurality of blades. Each of the plurality of blades has a top edge and a bottom edge opposite to the top edge. One or more of the at least two connecting rings is disposed between but not connected to the top edges and the bottom edges of the plurality of blades. A cooling fan including the impeller is also provided.

IPC Classes  ?

• F04D 29/38 - Blades
• F04D 19/00 - Axial-flow pumps specially adapted for elastic fluids
• F04D 29/32 - Rotors specially adapted for elastic fluids for axial-flow pumps
• F04D 29/34 - Blade mountings
• F04D 29/54 - Fluid-guiding means, e.g. diffusers
• F04D 29/66 - Combating cavitation, whirls, noise, vibration, or the likeBalancing

Abstract

A method for manufacturing a stator of a waterproof motor includes disposing a first assembly in a mold where the first assembly includes a coil unit wound around an iron core assembly, and filling the mold with a thermosetting plastic which forms a housing after curing. The housing houses the coil unit and the iron core assembly. A recess is formed at one end of the housing. The method further includes disposing a second assembly in the recess of the housing where the second assembly includes a circuit unit, and filling the recess of the housing with a waterproof glue which envelopes the circuit unit after curing. According to the above, the stator of the waterproof motor is formed.

IPC Classes  ?

• 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 3/50 - Fastening of winding heads, equalising connectors, or connections thereto
• H02K 11/30 - Structural association with control circuits or drive circuits
• H02K 15/12 - Impregnating, moulding insulation, heating or drying of windings, stators, rotors or machines
• H02K 15/14 - CasingsEnclosuresSupports
• H02K 15/00 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
• H02K 5/08 - Insulating casings
• H02K 15/10 - Applying solid insulation to windings, stators or rotors, e.g. applying insulating tapes

Abstract

A bearing system includes a first bearing, a second bearing, and a rotating member. The first bearing is hollow and has a first inner face. The second bearing is located in the first bearing. The second bearing includes a second inner face axially aligned with the first inner face. A partitioning space is formed between the first inner face and the second inner face. The rotating member has a shaft and a protruding portion coupled to the shaft. The protruding portion is located in the partitioning space. A dynamic pressure gap is formed between the protruding portion and the first inner face during rotation. Another dynamic pressure gap is formed between the protruding portion and the second inner face during rotation.

IPC Classes  ?

• F16C 17/04 - Sliding-contact bearings for exclusively rotary movement for axial load only
• F16C 33/10 - Construction relative to lubrication
• F16C 33/74 - Sealings of sliding-contact bearings

Abstract

A motor including a support unit, a first rotating part, a second rotating part, a rotor and a stator is disclosed. The support unit includes an axle and a bearing coupled with the axle. The first rotating part is fit around the axle and is coupled with the bearing. The second rotating part is coupled with the first rotating part. The rotor is coupled with the second rotating part. The stator is connected to the support unit.

IPC Classes  ?

• H02K 7/08 - Structural association with bearings
• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
• 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

Abstract

A ceiling fan includes a support unit, a stator, a rotor and a lamp. The support unit includes an axle and a magnetic disc fit around the axle. The stator is fit around the axle. The rotor has a plurality of blades rotatably mounted to the axle. The lamp includes a housing and a light emitting portion below a magnetic top face of the housing. The magnetic top face of the housing is attracted to the magnetic disc.

IPC Classes  ?

• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
• F04D 29/40 - CasingsConnections for working fluid
• F21V 33/00 - Structural combinations of lighting devices with other articles, not otherwise provided for
• F04D 29/18 - Rotors

Abstract

A handheld electronic device includes a case, an electronic unit and a cooling fan. The case includes at least one rib, an air inlet and a heat outlet. The at least one rib delimits a heat chamber. The air inlet and the heat outlet intercommunicate with an outside of the case. The electronic unit includes a heat source located in the heat chamber. The cooling fan is located in the heat chamber and includes an air entrance and an air exit. The air entrance intercommunicates with the air inlet of the case, and the air exit intercommunicates with the heat outlet of the case.

IPC Classes  ?

• H05K 7/00 - Constructional details common to different types of electric apparatus
• H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
• H05K 5/02 - Casings, cabinets or drawers for electric apparatus Details
• H05K 5/00 - Casings, cabinets or drawers for electric apparatus
• H04M 1/02 - Constructional features of telephone sets
• H05K 5/03 - Covers

Abstract

An inner-rotor motor including a housing, a stator and a rotor avoids damage to the coil unit which often occurs during assembly of the conventional inner-rotor motor. The housing has an inner periphery provided with a plurality of protrusions. The iron core has an outer periphery provided with a plurality of notches. The insulating sleeve includes a plurality of positioning members. In radial directions perpendicular to the shaft, each of the plurality of notches is spaced from a center of a shaft at a minimal distance, and each of the plurality of positioning members is spaced from the center of the shaft at a maximal distance. The maximal distance is smaller than the minimal distance.

IPC Classes  ?

• H02K 3/52 - Fastening salient pole windings or connections thereto
• H02K 3/28 - Layout of windings or of connections between windings
• H02K 1/14 - Stator cores with salient poles
• H02K 1/28 - Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
• H02K 1/16 - Stator cores with slots for windings
• H02K 3/48 - Fastening of windings on the stator or rotor structure in slots

Abstract

A fan frame includes a housing, a shaft tube, a circuit board and a plurality of light-emitting elements. The housing includes a base and a plurality of connection members located between the base and a peripheral wall of the housing. The shaft tube is mounted on the base. The circuit board is mounted in the housing and includes a body having a through-hole. The circuit board is fit around the shaft tube via the through-hole and is integrally formed with a plurality of protruding ribs and at least one outer rib. Each protruding rib is aligned with a respective connection member. Each outer rib is located between two adjacent protruding ribs. The light-emitting elements are mounted on the protruding ribs and the outer rib. A fan including the fan frame is also disclosed.

IPC Classes  ?

• F04D 29/00 - Details, component parts, or accessories
• F04D 19/00 - Axial-flow pumps specially adapted for elastic fluids
• F04D 29/02 - Selection of particular materials
• F04D 29/053 - Shafts
• F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven
• F04D 29/52 - CasingsConnections for working fluid for axial pumps

Abstract

A fan includes a fan frame, an impeller, a plurality of blades and a light emitting unit. The impeller is rotatably coupled with the fan frame and includes a light diffuser ring. The plurality of blades is connected to the light diffuser ring. The light emitting unit is mounted in the fan frame, includes a board and plurality of light-emitting elements mounted on the board, and shines light on the light diffuser ring.

IPC Classes  ?

• F21V 33/00 - Structural combinations of lighting devices with other articles, not otherwise provided for
• F21V 15/01 - Housings, e.g. material or assembling of housing parts
• F21V 3/02 - GlobesBowlsCover glasses characterised by the shape
• F21V 3/06 - GlobesBowlsCover glasses characterised by materials, surface treatments or coatings characterised by the material
• H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
• F04D 29/32 - Rotors specially adapted for elastic fluids for axial-flow pumps
• F21Y 105/18 - Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array annularPlanar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array polygonal other than square or rectangular, e.g. for spotlights or for generating an axially symmetrical light beam
• F21Y 115/10 - Light-emitting diodes [LED]

Abstract

A blade adapter includes a support portion and a plurality of blade connection sections. The plurality of blade connection sections is connected to an outer periphery of the support portion. Each of the plurality of blade connection sections has a first face and a blade connection face opposite to the first face. The blade connection face includes at least one inclined portion. A windward adjustment angle or an inclination adjustment angle is presented between the at least one inclined portion and a horizontal plane. In addition, a ceiling fan includes a motor, the blade adapter, and a plurality of blades. The support portion of the blade adapter is coupled with the motor. The plurality of blades is coupled with the blade connection faces of the plurality of blade connection sections, respectively.

IPC Classes  ?

• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
• F04D 29/26 - Rotors specially adapted for elastic fluids
• F04D 19/00 - Axial-flow pumps specially adapted for elastic fluids

Abstract

A motor includes a seat, a bearing, a limiting member, a stator and a rotor. The seat includes a base plate and a shaft tube connected to the base plate. The shaft tube includes an open end distant to the base plate and having a plurality of fusion posts. The bearing is received in the shaft tube. The limiting member has a central hole. A diameter of the central hole is smaller than a diameter of the open end. The limiting member has a plurality of through-holes surrounding the central hole. The plurality of fusion posts respectively extends through the plurality of through-holes to fix the limiting member to the shaft tube by fusion bonding. The stator is fit around the shaft tube. The rotor includes a shaft extending through the central hole of the limiting member and rotatably coupled with the bearing.

IPC Classes  ?

• H02K 5/16 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
• H02K 7/08 - Structural association with bearings
• F16C 27/06 - Elastic or yielding bearings or bearing supports, for exclusively rotary movement by means of parts of rubber or like materials
• H02K 15/14 - CasingsEnclosuresSupports
• F16C 3/02 - ShaftsAxles

Abstract

A sleeve unit for a motor of a ceiling fan includes a tubular member and a wire isolation member. The tubular member has a lateral slot extending through the tubular member from an inner periphery to an outer periphery of the tubular member. The lateral slot extends from a first axial end face towards a second axial end face of the tubular member along an axis of the tubular member. The wire isolation member includes an isolation plate unit delimiting a wire channel. The wire channel is located in the lateral slot. The isolation plate unit includes a stopper plate which is located in the lateral slot but does not come into a space delimited by the inner periphery of the tubular member.

IPC Classes  ?

• 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
• H02G 3/04 - Protective tubing or conduits, e.g. cable ladders or cable troughs
• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
• F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven
• H02K 3/32 - Windings characterised by the shape, form or construction of the insulation
• H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes

Abstract

A method for manufacturing a stator of a waterproof motor includes disposing a first assembly in a mold where the first assembly includes a coil unit wound around an iron core assembly and filling the mold with a thermosetting plastic which forms a housing after curing. The housing envelops the coil unit and the iron core assembly. A recess is formed at one end of the housing. The method further includes disposing a second assembly in the recess of the housing where the second assembly includes a circuit unit and filling the recess of the housing with a waterproof glue which envelops the circuit unit after curing. According to the above, the stator of the waterproof motor is formed.

IPC Classes  ?

• 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 3/50 - Fastening of winding heads, equalising connectors, or connections thereto
• H02K 11/30 - Structural association with control circuits or drive circuits
• H02K 15/12 - Impregnating, moulding insulation, heating or drying of windings, stators, rotors or machines
• H02K 15/14 - CasingsEnclosuresSupports
• H02K 15/00 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
• H02K 5/08 - Insulating casings
• H02K 15/10 - Applying solid insulation to windings, stators or rotors, e.g. applying insulating tapes

Abstract

A ceiling fan includes an axle, a hub, a plurality of blades, a plurality of connecting members, and a plurality of protective sleeves. The hub is rotatably coupled with the axle. The plurality of blades is coupled with the hub. Each of the plurality of blades has a first end and a second end. The first end is coupled with the hub. Each of the plurality of blades has a channel intercommunicating the first end with the second end. The plurality of connecting members is respectively received in the channels of the plurality of blades. Each of the plurality of connecting members has an end coupled with the hub, as well as another end coupled with the second end of the each of the plurality of blades. The plurality of protective sleeves respectively envelopes the plurality of connecting members.

IPC Classes  ?

• F04D 29/34 - Blade mountings
• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
• F04D 19/00 - Axial-flow pumps specially adapted for elastic fluids
• F04D 29/66 - Combating cavitation, whirls, noise, vibration, or the likeBalancing

Abstract

A motor includes a base, a stator, a dynamic pressure bearing unit and a rotor. The base includes a shaft tube. The shaft tube includes a closed end and an open end. The stator is mounted around the shaft tube. The dynamic pressure bearing unit includes a bearing, a dynamic pressure assembly and a thrust plate. The bearing is received in the shaft tube. The dynamic pressure assembly and the thrust plate are disposed in a position relatively adjacent to the open end of the shaft tube and relatively distant from the closed end of the shaft tube. The dynamic pressure assembly is located between the bearing and the thrust plate. A lubricating fluid layer is disposed between the dynamic pressure assembly and the thrust plate. The rotor is connected to the thrust plate and is rotatably coupled with the bearing.

IPC Classes  ?

• H02K 5/167 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
• F16C 32/06 - Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
• F16C 17/04 - Sliding-contact bearings for exclusively rotary movement for axial load only

Abstract

A bearing assembly including a bearing seat, at least one bearing and a shaft is disclosed. The bearing seat includes a chamber, an assembly hole and a shaft hole. The assembly hole and the shaft hole intercommunicate with the chamber. The bearing seat has a slit which is adjustable. The at least one bearing is received in the chamber. The shaft extends through the shaft hole and the at least one bearing and includes at least one abutment portion. The at least one bearing abuts the at least one abutment portion. In addition, a motor including a bearing assembly is disclosed.

IPC Classes  ?

• H02K 5/24 - CasingsEnclosuresSupports specially adapted for suppression or reduction of noise or vibrations
• 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
• H02K 7/08 - Structural association with bearings
• F16C 25/06 - Ball or roller bearings
• F16C 27/06 - Elastic or yielding bearings or bearing supports, for exclusively rotary movement by means of parts of rubber or like materials
• F16C 19/52 - Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
• F16C 19/06 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row of balls
• F16C 29/12 - Arrangements for adjusting play
• F16C 35/04 - Rigid support of bearing unitsHousings, e.g. caps, covers in the case of ball or roller bearings
• F16C 25/08 - Ball or roller bearings self-adjusting
• F16C 27/04 - Ball or roller bearings, e.g. with resilient rolling bodies
• F16C 35/077 - Fixing them on the shaft or housing with interposition of an element between housing and outer race ring
• F16C 35/067 - Fixing them in a housing
• 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

Abstract

A fan frame includes a housing, a shaft tube, a circuit board and a plurality of light-emitting elements. The housing includes a base and a plurality of connection members located between the base and a peripheral wall of the housing. The shaft tube is mounted on the base. The circuit board is mounted in the housing and includes a body having a through-hole. The circuit board is fit around the shaft tube via the through-hole and is integrally formed with a plurality of protruding ribs and at least one outer rib. Each protruding rib is aligned with a respective connection member. Each outer rib is located between two adjacent protruding ribs. The light-emitting elements are mounted on the protruding ribs and the outer rib. A fan including the fan frame is also disclosed.

IPC Classes  ?

• F04D 29/00 - Details, component parts, or accessories
• F04D 19/00 - Axial-flow pumps specially adapted for elastic fluids
• F04D 29/02 - Selection of particular materials
• F04D 29/053 - Shafts
• F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven
• F04D 29/52 - CasingsConnections for working fluid for axial pumps

Abstract

A ceiling fan includes a motor and a heat-dissipating device. The heat-dissipating device includes a plurality of blades and a plurality of end plates. The motor includes a shaft and a hub. The hub includes a plurality of vents and a plurality of first coupling portions. Each blade is coupled with at least one first coupling portion and includes a first end and a second end. Each blade forms a second coupling portion at the first end thereof. The second coupling portion is coupled with the at least one first coupling portion. Each blade includes a first air channel extending in a radial direction. The first air channel includes first and second ends. The first end of the first air channel is relatively adjacent to the vents than the second end is. Each end plate includes at least one third coupling portion coupled with the second end of the blade.

IPC Classes  ?

• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
• F04D 29/34 - Blade mountings
• F04D 29/38 - Blades

Abstract

A flow guiding device includes a flow-guiding member and a blade. The flow-guiding member includes a flow-guiding portion, a neck portion and a first coupling portion. The flow-guiding portion is connected to a first end of the neck portion. The first coupling portion is located at a second end of the neck portion. The flow-guiding portion, the neck portion and the first coupling portion are connected in series in a radial direction. The blade includes a second coupling portion at a free end of the blade. The second coupling portion is coupled with the first coupling portion. The flow-guiding portion has a cross-sectional area smaller than or equal to a cross-sectional area of the blade. A cross-sectional area of the neck portion viewed from the radial direction at the first end is smaller than a cross-sectional area of the neck portion viewed from the radial direction at the second end.

IPC Classes  ?

• F04D 29/38 - Blades
• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
• F04D 29/34 - Blade mountings

Abstract

A rotor of an inner-rotor motor includes a shaft having a connecting portion. A permanent magnet is mounted around the connecting portion of the shaft. The permanent magnet includes at least one first engaging portion. At least one coupling member includes a through-hole. The shaft extends through the through-hole. The at least one coupling member includes a second engaging portion engaged with the at least one first engaging portion of the permanent magnet.

IPC Classes  ?

• H02K 1/28 - Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
• H02K 1/27 - Rotor cores with permanent magnets
• 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 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

Abstract

A motor of a ceiling fan includes a support unit, a rotor unit, a first bearing, a supporting bearing and a stator unit. The support unit has a shaft. The rotor unit has a rotational connecting member. The rotational connecting member includes a central hole through which the shaft extends, as well as an inner flange extending inwardly of the central hole. The first bearing includes an inner race fit around the shaft and an outer race connected to an inner periphery of the rotational connecting member. The inner and outer races are spaced from each other in a radial direction perpendicular to the shaft. The supporting bearing includes a fixed race fit around the shaft and a rotational race abutting with the inner flange. The fixed race and the rotational race are spaced from each other in an axial direction. The stator unit is connected to the support unit.

IPC Classes  ?

• H02K 5/16 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
• F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven
• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
• 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
• H02K 1/28 - Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
• H02K 1/27 - Rotor cores with permanent magnets

Abstract

A ceiling fan motor includes a sleeve, a stator unit fixed around the sleeve, a rotor unit rotatably mounted around the sleeve, and an axle detachably mounted to the sleeve. The axle can include an extending section and a suspension section. The extending section extends through and is coupled to the sleeve. The suspension section is exposed outside of the sleeve. The extending section can be contiguous to the suspension section. An outer diameter of the axle at the extending section can be smaller than an outer diameter at the suspension section to form a shoulder. An end of the sleeve can abut the shoulder.

IPC Classes  ?

• H02K 1/30 - Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures using intermediate parts, e.g. spiders
• F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven
• H02K 1/28 - Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
• 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
• H02K 1/27 - Rotor cores with permanent magnets
• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
• F04D 29/60 - MountingAssemblingDisassembling
• H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
• H02K 21/22 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos

Abstract

A dustproof bearing assembly includes a base having a shaft tube. The shaft tube has an open end with an opening. At least one bearing is coupled to an inner periphery of the shaft tube. A rotating member includes a shaft seat. A shaft includes a first end coupled to the shaft seat and a second end extending through a shaft-receiving hole of the at least one bearing. A dustproof member includes a lower face and an upper face. The lower face is spaced from the open end of the shaft tube. The dustproof member covers the opening. The upper face of the dustproof member abuts a bottom of the shaft seat. The dustproof member has an outer diameter larger than an inner diameter of the shaft tube. The dustproof bearing assembly can be used in a motor.

IPC Classes  ?

• F16C 33/72 - Sealings
• F16C 19/08 - Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with two or more rows of balls
• H02K 5/16 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
• 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
• F16C 19/54 - Systems consisting of a plurality of bearings with rolling friction
• F16C 33/78 - Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
• F16C 35/12 - Rigid support of bearing unitsHousings, e.g. caps, covers for spindles with ball or roller bearings
• F16C 33/76 - Sealings of ball or roller bearings

Abstract

A fan frame of an axial-flow fan is provided to reduce the vibration generated during the rotation of the impeller that is transmitted to the outside of the axial-flow fan via the fan frame. The fan frame includes a housing, a base and a plurality of connection members. The base includes a shaft-coupling portion. Each of the plurality of connection members includes two ends respectively connected to the housing and the base. Each of the plurality of connection members is defined with an extension line passing through the two ends of the connection member. Each of the plurality of connection members includes a first bending portion and a second bending portion. The first bending portion extends around a first notch, and the second bending portion extends around a second notch. The extension line extends through the first and second notches.

IPC Classes  ?

• F04D 29/66 - Combating cavitation, whirls, noise, vibration, or the likeBalancing
• F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven
• F04D 29/52 - CasingsConnections for working fluid for axial pumps
• F04D 19/00 - Axial-flow pumps specially adapted for elastic fluids

Abstract

An outer-rotor motor and a stator assembly of the motor solve the problems which exist in a conventional outer-rotor motor during the insertion of the bearings into the shaft tubes. The stator assembly of the outer-rotor motor includes a lower bearing seat, an iron core and an upper bearing seat. The lower bearing seat has a shaft tube. The iron core has an engagement channel and is coupled with the lower bearing seat. The upper bearing seat has a fixing portion, and the upper bearing seat abuts against the iron core. The shaft tube extends into the engagement channel at a first end of the engagement channel, and the fixing portion extends into the engagement channel at a second end of the engagement channel. Thus, the iron core is coupled with each of the lower and upper bearing seats.

IPC Classes  ?

• H02K 7/08 - Structural association with bearings
• H02K 5/16 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
• 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
• H02K 21/22 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
• H02K 1/27 - Rotor cores with permanent magnets

Abstract

A silicon steel plate of a stator of an outer-rotor motor includes a magnetic yoke ring, a plurality of magnetic poles and a plurality of pole pieces is disclosed. The magnetic yoke ring has an inner edge and an outer edge. The inner edge forms a shaft hole. Each of the plurality of magnetic poles includes an inner end connected to the outer edge of the magnetic yoke ring. The plurality of magnetic poles is arranged around the magnetic yoke ring in even angles. Each of the plurality of pole pieces is connected to an outer end of a respective one of the plurality of magnetic poles. The silicon steel plate has a maximal diameter denoted as “W,” and the shaft hole has a diameter denoted as “D,” wherein 0.12≤D/W≤0.4.

IPC Classes  ?

• H02K 1/27 - Rotor cores with permanent magnets
• H02K 1/14 - Stator cores with salient poles
• H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
• 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 1/22 - Rotating parts of the magnetic circuit
• H02K 1/08 - Salient poles
• H02K 1/28 - Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures

Abstract

An inner-rotor type motor includes an iron core having a magnetic yoke portion and a plurality of magnetic pole portions. The magnetic yoke portion includes an assembly hole through which a shaft extends. A plurality of magnetic pole portions is arranged around the magnetic yoke portion. The iron core includes a plurality of receiving grooves. Each receiving groove is formed between two adjacent magnetic pole portions. The permanent magnets are received in the receiving grooves. At least one abutting member is coupled with an outer periphery of the shaft and includes a radial extension portion having a guiding surface. The guiding surface abuts against at least one of permanent magnets. The iron core, the permanent magnets, and the at least one abutting member of the rotor are received in a compartment of the stator. The shaft of the rotor is rotatably coupled to the stator.

IPC Classes  ?

• H02K 1/28 - Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
• H02K 1/27 - Rotor cores with permanent magnets

Abstract

A motor is provided to improve the damp proof or dustproof effect of the conventional motor. The motor includes an isolating housing, a sealing member and an inner assembly. The isolating housing includes first and second housing parts. A through-hole is formed between the first and second housing parts. The through-hole communicates an internal space of the isolating housing with an external space. The sealing member includes a frame portion and a wire receiving portion. The wire receiving portion is integrally formed with the frame portion. The frame portion is arranged between the first and second housing parts. The wire receiving portion is disposed at the through-hole. A lead wire is received in the wire receiving portion, and includes one end extending into the internal space of the isolating housing. The inner assembly is received in the internal space of the isolating housing and electrically connected to the lead wire.

IPC Classes  ?

• H02K 5/08 - Insulating casings
• 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 11/33 - Drive circuits, e.g. power electronics

Abstract

A ceiling fan is designed with enhanced structural strength and prolonged service life. The ceiling fan includes a stator, a loading plate, a rotor and a plurality of blades is disclosed. The stator includes a shaft. The loading plate includes a sleeve and a radial extending portion. The radial extending portion radially extends outwards in radial directions of the shaft. The sleeve receives a bearing coupled with an outer periphery of the shaft. The rotor includes a hub coupled with the loading plate. The plurality of blades is coupled with the radial extending portion.

IPC Classes  ?

• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
• F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven
• F04D 25/16 - Combinations of two or more pumps
• F04D 29/051 - Axial thrust balancing
• F04D 25/00 - Pumping installations or systems specially adapted for elastic fluids

Abstract

An illumination device and a ventilator include: a fan electrically connecting to a power transmitting port to be rotated for generating an airflow; a light-emitting device for transferring electrical power into illumination; a power storage module electrically connecting with the light-emitting device and the power transmitting port; and a control unit electrically connecting with the power storage module and the power transmitting port. The control unit determines whether the power transmitting port provides electrical power, the control unit controls the power storage module to store electrical power sourced from the power transmitting port when a result of the determination is positive, and the control unit controls the power storage module to output electrical power stored therein to the light-emitting device when the result of the determination is negative.

IPC Classes  ?

• F21S 8/02 - Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
• F21S 9/02 - Lighting devices with a built-in power supplySystems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
• F21V 33/00 - Structural combinations of lighting devices with other articles, not otherwise provided for
• F24F 7/06 - Ventilation with ducting systems with forced air circulation, e.g. by fan
• H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• H02J 9/06 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over
• H05B 33/08 - Circuit arrangements for operating electroluminescent light sources
• F24F 11/89 - Arrangement or mounting of control or safety devices
• F21Y 115/10 - Light-emitting diodes [LED]
• F24F 7/00 - Ventilation

Abstract

A ceiling fan, a hanger assembly of the ceiling fan, and a mounting bracket of the hanger assembly are designed with a lower failure rate. The hanger assembly of the ceiling fan includes a coupling rod and a fan rod. The mounting bracket has two lateral walls opposing to each other. Each of the two lateral walls includes a mounting end, a hanger end and a receiving portion. The coupling rod has two ends respectively received in the receiving portions of the two lateral walls. The fan rod has a first end coupled with the coupling rod, as well as a second end coupled with a stator of a motor of the ceiling fan.

IPC Classes  ?

• F04D 29/64 - MountingAssemblingDisassembling of axial pumps
• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
• F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven
• F04D 29/60 - MountingAssemblingDisassembling

Abstract

An illuminating ventilator includes a case, a lamp and a power supply module. A first air opening and a second air opening are respectively formed on two sides of the case. The case includes an air channel having two ends respectively communicating with the first air opening and the second air opening. The fan is disposed in the case and is arranged in the air channel. The lamp is detachably attached to the case. The power supply module includes an AC input terminal, a first DC output terminal and a second DC output terminal. The first DC output terminal is electrically connected with the fan, and the second DC output terminal is electrically connected with the lamp. As such, the illuminating ventilator is provided with improved installation convenience, reduced production cost and reduced difficulty of maintaining and repairing.

IPC Classes  ?

• F21V 33/00 - Structural combinations of lighting devices with other articles, not otherwise provided for
• F21V 23/02 - Arrangement of electric circuit elements in or on lighting devices the elements being transformers or impedances
• F21S 8/02 - Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
• F21V 23/06 - Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices
• F21V 23/00 - Arrangement of electric circuit elements in or on lighting devices
• F24F 13/078 - Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser combined with lighting fixtures
• F21Y 115/10 - Light-emitting diodes [LED]

Abstract

A motor system includes a stator magnetic pole, a driving unit and a stop control unit. The stator magnetic pole is adapted to couple with a rotor for the rotor to rotate relative to the stator magnetic pole. The stator magnetic pole has first and second ends. The driving unit is electrically connected with the stator magnetic pole and drives the rotor to rotate by changing the polarity of the stator magnetic pole. The stop control unit is electrically connected to the stator magnetic pole and the driving unit. If the rotor rotates when the motor system is not electrically powered, the stator magnetic pole generates electricity that changes the path of the electric current flowing through the stop control unit, and the stator magnetic pole outputs an electric current from the first end to the second end or from the second end to the first end thereof. In addition, a fan module is also disclosed to solve the problem.

IPC Classes  ?

• H02P 6/14 - Electronic commutators
• H02P 3/22 - Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing an AC motor by short-circuit or resistive braking
• F04D 27/00 - Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids

Abstract

A ceiling fan motor with a reduced axial height includes a stator, a rotor and a light-emitting module. The stator includes an iron core and a shaft. The iron core forms an assembly opening at a central portion thereof. The rotor is rotatably coupled with an outer periphery of the shaft and includes a housing. The light-emitting module is at least partially arranged between the iron core and the shaft, or is arranged between the iron core and the housing of the rotor, along a radial direction perpendicular to the shaft.

IPC Classes  ?

• F21V 33/00 - Structural combinations of lighting devices with other articles, not otherwise provided for
• F04D 19/00 - Axial-flow pumps specially adapted for elastic fluids
• F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven
• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
• F21V 17/12 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
• H02K 1/27 - Rotor cores with permanent magnets
• H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
• F21V 3/02 - GlobesBowlsCover glasses characterised by the shape
• F21V 21/096 - Magnetic devices
• H02K 21/22 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
• H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
• H02K 11/00 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
• F04D 29/00 - Details, component parts, or accessories
• F21V 29/77 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
• F21Y 103/33 - Elongate light sources, e.g. fluorescent tubes curved annular

Abstract

An air exchange device improves the covering effect and the overall visual effect on the appearance of the air exchange device along with a divider where the air exchange device is mounted. The air exchange device includes an air-guiding tube and a covering member. The air-guiding tube has a first maximal outer diameter, and includes a first end and a second end. The covering member includes a positioning portion that is adapted to be coupled to an outer wall of the air-guiding tube, and a covering portion connected to the positioning portion. The covering portion has a second maximal outer diameter larger than the first maximal outer diameter of the air-guiding tube.

IPC Classes  ?

• F24F 13/20 - Casings or covers
• F24F 7/08 - Ventilation with ducting systems with forced air circulation, e.g. by fan with separate ducts for supplied and exhausted air
• F24F 13/08 - Air-flow control members, e.g. louvres, grilles, flaps or guide plates

Abstract

An inner-rotor motor includes a separating member, a stator and a rotor. The separating member is made of an insulating material and includes a first separating part and a second separating part. The separating member includes at least one engaging portion extending along an axial direction of the inner-rotor motor. The stator includes an iron core received in a space jointly defined by the first and second separating parts. The iron core includes at least one engaging groove arranged on an outer surface thereof and extending along the axial direction of the inner-rotor motor. The at least one engaging portion is received in the at least one engaging groove. The rotor is rotatably coupled to the separating member. As such, a convenient assembly and reduced volume of the inner-rotor motor are provided.

IPC Classes  ?

• H02K 5/02 - Casings or enclosures characterised by the material thereof
• H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
• H02K 5/04 - Casings or enclosures characterised by the shape, form or construction thereof
• H02K 5/06 - Cast metal casings
• 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
• 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

Abstract

A motor includes a stator, a separating member and a rotor. The stator includes an iron core. The separating member is made of insulating material and includes a first separating part, a second separating part and a third separating part. The second separating part is arranged between the first and third separating parts, and the iron core is arranged between the first and second separating parts. The rotor is rotatably coupled with the separating member and includes a permanent magnet unit arranged between the first and second separating parts. As such, the separating member is able to provide an improved insulation effect for the motor, thus prolonging the service life of the motor.

IPC Classes  ?

• H02K 5/08 - Insulating casings
• 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
• H02K 11/33 - Drive circuits, e.g. power electronics

Abstract

A motor winding structure includes a base plate is disclosed. The base plate includes a board having a winding unit. The winding unit includes a plurality of coils formed on the surface of the board by electroforming or layout. Each coil has a center, and includes an inner end adjacent to the center and an outer end distant to the center. Two adjacent coils are connected to each other via the inner ends. The winding unit further includes an insulating layer and a conducting layer. The inner ends of the two coils are connected to an electrical connection pad. The insulating layer is arranged on the board. The two adjacent coils are covered by the insulating layer. The conducting layer extends through the insulating layer and is connected to the electrical connection pads of the two coils. The two coils are connected to each other via the inner ends.

IPC Classes  ?

• H02K 3/26 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors consisting of printed conductors

Abstract

A fan having a temperature detecting function includes a fan frame, an extension member, a temperature sensor and a restricting portion. The fan frame has an air inlet, an air outlet, and an impeller rotatably arranged between the air inlet and the air outlet. The extension member has one end adjacent to the fan frame. The temperature sensor is arranged at one of the air inlet and the air outlet via the extension member in a position where the surface of the temperature sensor is fully exposed to the ambient air. The restricting portion is arranged at the one of the air inlet or the air outlet. The restricting portion is located between the extension member and the impeller and is adapted to prevent the extension member from making contact with the impeller.

IPC Classes  ?

• F04D 29/52 - CasingsConnections for working fluid for axial pumps
• F01P 11/14 - Indicating devicesOther safety devices
• F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven

Abstract

A ceiling fan motor includes a stator, a rotor and a circuit box. The stator includes a shaft and an iron core. The rotor is rotatably coupled with the shaft. The circuit box is adapted to be attached to or detached from the stator and includes a circuit board, an opening and a shaft hole. The circuit board is electrically connected to an electrical connection portion. The opening extends through one surface to another surface of the circuit box. The electrical connection portion is adapted to be connected to an external accessory or a wire via the opening, and the shaft extends through the shaft hole. In another embodiment, the circuit box includes a plurality of openings and is electrically connected to a plurality of electrical connection portions. The quantity of the plurality of openings corresponds to the quantity of the plurality of electrical connection portions.

IPC Classes  ?

• H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
• H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
• H02K 11/33 - Drive circuits, e.g. power electronics
• H02K 11/00 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
• H02K 21/22 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos

Abstract

A motor includes a base, a winding assembly and a rotor. The base includes a pivoting portion. The winding assembly includes a support. The support includes at least one coil supporting portion and a circuit supporting portion connected to the at least one coil supporting portion. A coil is arranged on each of the at least one coil supporting portion. A circuit is arranged on the circuit supporting portion and electrically connected to the coil or coils. A folding portion is arranged between the at least one coil supporting portion and the circuit supporting portion. The circuit supporting portion and the at least one coil supporting portion are folded and stacked together via the folding portion. The rotor is rotatably coupled to the pivoting portion of the base. Due to the arrangement of the folding portion, a radial width of the motor is efficiently reduced.

IPC Classes  ?

• H02K 3/26 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors consisting of printed conductors
• H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
• H02K 11/00 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
• H02K 11/30 - Structural association with control circuits or drive circuits

Abstract

The present invention provides a motor winding assembly including a flexible base plate and a winding assembly. The flexible base plate includes a plurality of supports. A bridge is connected between adjacent two of the plurality of supports. Each of the plurality of supports has a center, and the flexible base plate has a reference line extending through the centers of the plurality of supports. The bridge is not located on the reference line. The winding assembly includes a plurality of winding units. Each of the plurality of supports is provided with at least one winding unit. An electrical path is located on the bridge between the adjacent two of the plurality of supports and electrically connected to the winding units of the adjacent two of the plurality of supports. In this arrangement, the total length of the flexible base plate is reduced.

IPC Classes  ?

• H02K 3/26 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors consisting of printed conductors
• H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
• H02K 11/33 - Drive circuits, e.g. power electronics

Abstract

An inner-rotor motor for preventing the formation of an electrical conducting path between an iron core and a housing of the motor includes a stator and a rotor. The stator includes the housing, an insulating layer and the iron core. The insulating layer is arranged between the housing and the iron core and prevents the electrical conducting path from forming between the housing and the iron core. The rotor includes a shaft rotatably coupled with the housing, and a permanent magnet unit is arranged around the shaft.

IPC Classes  ?

• H02K 3/38 - Windings characterised by the shape, form or construction of the insulation around winding heads, equalising connectors, or connections thereto
• H02K 5/08 - Insulating casings
• H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
• H02K 3/52 - Fastening salient pole windings or connections thereto

Abstract

An external rotor motor includes: a shaft, an insulator and a core. The insulator is coupled with an outer peripheral surface of the shaft, the core is arranged on an outer periphery of the insulator, and the insulator is formed between the shaft and the core, so that no electrically conductive route can be formed between the core and the shaft. A rotor has a housing rotatably coupling with the shaft, with an inner peripheral wall of the housing having a permanent magnet module.

IPC Classes  ?

• H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
• 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 5/16 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
• H02K 5/08 - Insulating casings

Abstract

An air exchange device includes: an air-guiding tube having a first end and a second end opposite to each other, with the first end having a first inlet and a first outlet, and with the second end having a second inlet and a second outlet; a partition arranged inside the air-guiding tube to divide the inside of the air-guiding tube into a first air-guiding space communicating with the first and second inlets and a second air-guiding space communicating with the first and second outlets; a first filter arranged in a position adjacent to the first inlet; a second filter arranged in a position adjacent to the second inlet; and at least one fan adapted to draw and expel air and combined with the air-guiding tube. Bores of meshes of the first filter are larger than bores of meshes of the second filter.

IPC Classes  ?

• B01D 46/12 - Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
• B03C 3/017 - Combinations of electrostatic separation with other processes, not otherwise provided for
• G06F 1/16 - Constructional details or arrangements
• B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
• B01D 46/42 - Auxiliary equipment or operation thereof

Abstract

A ventilation fan housing includes: a shield body having a receiving space, a maintenance opening and a wire-positioning opening adjacent to the maintenance opening, with the maintenance opening and wire-positioning opening penetrating a wall of the shield body and communicating with the receiving space, and with a lid connecting with the shield body detachably to cover the maintenance opening.

IPC Classes  ?

• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
• F04D 29/42 - CasingsConnections for working fluid for radial or helico-centrifugal pumps
• F04D 29/60 - MountingAssemblingDisassembling
• F04D 29/62 - MountingAssemblingDisassembling of radial or helico-centrifugal pumps
• F24F 1/56 - Casing or covers of separate outdoor units, e.g. fan guards
• F24F 13/20 - Casings or covers
• H05K 5/00 - Casings, cabinets or drawers for electric apparatus
• H05K 5/02 - Casings, cabinets or drawers for electric apparatus Details

Abstract

A ceiling fan motor includes a stator assembly and a rotor. The stator assembly includes an iron core. The rotor is rotatably coupled with the stator assembly and includes a housing, a first positioning member and at least one permanent magnet. The housing includes a lateral wall. The lateral wall is enclosed to form an inner space adapted to receive the iron core. The first positioning member is coupled with the lateral wall. The at least one permanent magnet is positioned by the first positioning member. The first positioning member includes a plurality of air-guiding blades.

IPC Classes  ?

• H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
• H02K 1/28 - Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
• H02K 1/27 - Rotor cores with permanent magnets
• H02K 1/32 - Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium

Abstract

A motor of a ceiling fan includes: a shaft having two shoulder surfaces facing in opposite axial directions of the shaft, with the shaft coupling with a stator; and a bearing sleeve receiving two bearings for supporting the shaft, with an annular flange formed at an end of the bearing sleeve. The annular flange and one of the shoulder surfaces of the shaft clamp and position one of the bearings. A rotor has a housing coupling with the bearing sleeve, with the housing having a connecting portion. The connecting portion and the other one of the shoulder surfaces of the shaft clamp and position the other one of the bearings.

IPC Classes  ?

• 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
• H02K 5/16 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
• F16C 35/063 - Fixing them on the shaft
• H02K 5/24 - CasingsEnclosuresSupports specially adapted for suppression or reduction of noise or vibrations
• H02K 5/04 - Casings or enclosures characterised by the shape, form or construction thereof
• 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
• F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven
• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
• F16C 35/06 - Mounting of ball or roller bearingsFixing them onto shaft or in housing

Goods & Services

(1) Air exchanging ventilators for buildings; heat recovery ventilators for buildings; heat exchangers; air deodorizers; humidifiers for household purposes; air exhaust fans; fans for air conditioners; electric fans; electric ventilating fans; air conditioners; air-filtering units for removing dust, smoke and allergens from the air; air ionizers; ozone generators.

Abstract

The present disclosure provides an impeller and a mold for manufacting the impeller. The impeller includes a plurality of blades, and there is an overlapped area between two adjacent blades. The mold includes a first part, a second part and a plurality of slide groups. The first part and the second part move in a mold opening direction. At least a portion of each slide group is located in the overlapped area, and each slide group has a first slide block and a second slide block, and a movement direction of the first slide block and the second slide block is perpendicular to the mold opening direction. By using that the movement direction of the slide group is perpendicular to the mold opening direction, the impeller with blades that have the overlapped area may be manufactured. The blades of the impeller may have a special shape.

IPC Classes  ?

• F04D 29/32 - Rotors specially adapted for elastic fluids for axial-flow pumps
• F04D 29/18 - Rotors
• B29C 33/48 - Moulds or coresDetails thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with means for collapsing or disassembling
• B29C 33/30 - Mounting, exchanging or centering
• B29L 31/08 - Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers

Abstract

A radial-winding stator of a motor including a core and eight poles is disclosed. Each pole has a magnetic pole and a pole piece. The magnetic pole is connected to the core and extends outwards from the core in a radial direction. The pole piece is formed at one end of the magnetic pole distant to the core. The pole piece includes a magnetic end face having an arc length along a circumferential direction of the core, as well as an axial height along an axial direction perpendicular to the radial direction. A ratio of the arc length to the axial height is between 2.05 and 10. In another embodiment, the radial-winding stator includes ten or twelve poles.

IPC Classes  ?

• H02K 1/14 - Stator cores with salient poles

Abstract

An air-guiding casing of a ventilation fan includes a main body and an air-guiding tube. The main body forms a compartment and includes an inlet and an outlet. The inlet and the outlet are in communication with the compartment. A first engaging portion is arranged on a part of an edge of the outlet and on one side of the main body. The air-guiding tube has an engaging end and an outlet end opposite to the engaging end. A second engaging portion is arranged on the engaging end. The first and second engaging portions are engaged with each other.

IPC Classes  ?

• F24F 7/007 - Ventilation with forced flow
• F04D 25/14 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures and having shutters, e.g. automatically closed when not in use
• F04D 29/42 - CasingsConnections for working fluid for radial or helico-centrifugal pumps
• F04D 29/62 - MountingAssemblingDisassembling of radial or helico-centrifugal pumps

Abstract

A motor includes a base, a bearing sleeve, a stator, a rotating member, a thrust bearing, and a hub. The bearing sleeve is arranged with the base and has an opening end and a sealing end opposite to each other. The stator connects with the base or the bearing sleeve. The rotating member is arranged inside the bearing sleeve and includes a shaft and a limiting portion adjacent to the sealing end. A first end of the shaft connects with the limiting portion, and a second end of the shaft has a coupling portion adjacent to the opening end. The thrust bearing is arranged between the shaft and an inner surface of the bearing sleeve, so that the limiting portion is between the thrust bearing and the sealing end. The hub connects with the coupling portion of the shaft and has a permanent magnet corresponding to the stator.

IPC Classes  ?

• H02K 5/16 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
• H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
• F16C 43/02 - Assembling sliding-contact bearings
• G11B 19/20 - DrivingStartingStoppingControl thereof
• 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 7/08 - Structural association with bearings
• F16C 17/10 - Sliding-contact bearings for exclusively rotary movement for both radial and axial load

Abstract

A motor includes a bearing sleeve arranged with a base and having opposite opening and sealing ends; a stator coupled with the base or bearing sleeve; and a rotating member disposed in the bearing sleeve and including a shaft and a limiting portion adjacent to the sealing end. A first end of the shaft connects with the limiting portion, a second end of the shaft has a coupling portion, and the limiting portion has a first contact surface. A thrust bearing is arranged between the shaft and the bearing sleeve and has a second contact surface facing the first contact surface. At least one of the first and second contact surfaces is an uneven surface. A hub is coupled with the coupling portion of the shaft and has a permanent magnet corresponding to the stator.

IPC Classes  ?

• H02K 7/08 - Structural association with bearings
• 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 5/167 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
• F16C 17/04 - Sliding-contact bearings for exclusively rotary movement for axial load only
• G11B 19/20 - DrivingStartingStoppingControl thereof
• F16C 43/02 - Assembling sliding-contact bearings
• F16C 17/10 - Sliding-contact bearings for exclusively rotary movement for both radial and axial load
• F16C 33/10 - Construction relative to lubrication

Abstract

A motor of a ceiling fan includes a stator, a shaft, a linking seat, and a rotor. The stator has a core with an assembly hole. The linking seat couples with the core and has an axial hole in alignment with the assembly hole in an axial direction of the shaft firmly resting in the axial hole. The rotor is rotatably arranged around the shaft.

IPC Classes  ?

• H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
• H02K 3/52 - Fastening salient pole windings or connections thereto

Abstract

A motor of a ceiling fan includes a stator, a rotor, and a base. The stator has a shaft and a core. The rotor has a first housing rotatably coupling with the shaft. The base has a second housing firmly connecting with the stator. The core of the stator is positioned between the first and second housings, an air channel communicates the inside and the outside of the motor, and the first housing is able to rotate relative to the second housing for generating an air current inside the motor and guiding the air current out of the motor via the air channel.

IPC Classes  ?

• H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
• F04D 29/58 - CoolingHeatingDiminishing heat transfer
• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
• H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft

Abstract

A gas blower includes a housing, a motor and a resilient sealing member for safety improvement. The housing has a receiving space and receives a fan wheel inside the receiving space, and the housing has an inlet and an outlet in communication with the receiving space. The motor has a base and a shaft. The base couples with the housing, and the shaft rotatably couples with the base and firmly connects with the fan wheel. The resilient sealing member is arranged between the housing and the base and is in a ring shape. The resilient sealing member has a central through hole for the shaft to extend through, a radial extending portion extending in radial directions of the shaft, a first surface and a second surface opposite to the first surface, with the first and second surfaces abutting against the housing and the base respectively.

IPC Classes  ?

• F16C 23/00 - Bearings for exclusively rotary movement adjustable for aligning or positioning
• H02K 5/124 - Sealing of shafts
• H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
• F04D 17/16 - Centrifugal pumps for displacing without appreciable compression
• F04D 19/00 - Axial-flow pumps specially adapted for elastic fluids
• F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven
• F04D 29/08 - Sealings
• 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
• H02K 5/136 - Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas explosion-proof
• F16C 35/077 - Fixing them on the shaft or housing with interposition of an element between housing and outer race ring
• F04D 29/059 - Roller bearings
• F04D 29/66 - Combating cavitation, whirls, noise, vibration, or the likeBalancing
• F16J 15/02 - Sealings between relatively-stationary surfaces
• H02K 5/24 - CasingsEnclosuresSupports specially adapted for suppression or reduction of noise or vibrations

Abstract

A motor includes an outer frame, a vibration-proof base, and a motor body. The outer frame includes a supporting base. The vibration-proof base is disposed at the supporting base of the outer frame and includes a base body and a vibration-proof ring. The base body includes an upper surface and a side surface. The vibration-proof ring is sleeved around the side surface of the base body. The vibration-proof ring is in contact with the supporting base. The motor body is disposed on the base body. The disclosure can greatly reduce vibration generated in the operation of the motor and reduce noises.

IPC Classes  ?

• H02K 5/24 - CasingsEnclosuresSupports specially adapted for suppression or reduction of noise or vibrations

Abstract

A fan frame and a fan having temperature detecting element are provided. The fan frame includes a body and a circuit board. The body includes an inlet. The circuit board is installed around the inlet of the body. The temperature detecting element traverses the inlet. The first wire electrically connects the first contact end and the first external contact terminal. The second wire electrically connects the second contact end and the second external contact terminal. At least one of the first wire and the second wire includes a plurality of bending sections. By utilizing the bending sections of the first wire or the second wire, the length of the first wire or the second wire can be increased. Therefore, the influence in the temperature detecting element caused by the circuit board can be lowered and the error of the detecting temperature can be decreased.

IPC Classes  ?

• F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven
• F04D 29/52 - CasingsConnections for working fluid for axial pumps

Abstract

An axial flow fan is provided. The axial flow fan includes an impeller and a fan frame. The impeller has a maximum outer diameter. The fan frame includes a first body and a second body. The first body includes a plurality of connecting elements and a base. The connecting elements are connected to the base. The second body is a hollow body, and used for disposing around the impeller. The second body includes a flow passage having a minimum inner diameter. The minimum inner diameter of the flow passage is not larger than the maximum outer diameter of the impeller. Therefore, the size of the second body does not restrict the maximum outer diameter of the impeller, and the shape of the impeller and the shape of the fan frame can be designed flexibly according to the practical demand.

IPC Classes  ?

• F04D 19/00 - Axial-flow pumps specially adapted for elastic fluids
• F04D 29/64 - MountingAssemblingDisassembling of axial pumps
• F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven
• F04D 29/52 - CasingsConnections for working fluid for axial pumps

Abstract

A cooling system for a hand-held electronic device includes a casing including a compartment, at least one air inlet in communication with the compartment, and at least one air outlet in communication with the compartment. A wind driving assembly is mounted in the compartment and includes a frame, a package, and a thermally conductive cover. The thermally conductive cover engages with the frame and the package. An impeller is rotatably arranged in the frame having an outlet hole adjacent to the at least one air outlet. The package receives at least one electronic element that generates heat during operation. The thermally conductive cover includes an inlet hole in communication with an interior of the frame. An air channel is formed between the thermally conductive cover and an interior wall face of the casing. The at least one air inlet intercommunicates with the inlet hole via the air channel.

IPC Classes  ?

• H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
• G06F 1/20 - Cooling means

Abstract

A centrifugal fan includes a fan frame, a stator assembly and an impeller. The fan frame has a base plate portion, a cover plate portion and a lateral wall portion. The cover plate portion has an air inlet, and the lateral wall portion has an air outlet. The impeller includes a rotating member, a plurality of blades and a connection ring. The rotating member is coupled with the stator assembly. Each blade has a windward edge and a lateral edge. The windward edge faces the air inlet, the lateral edge faces the lateral wall portion, and the connection ring is arranged on the windward edges of the blades. The windward edge has a first coupling edge, and the connection ring has a second coupling edge. A part of the windward edge between the first coupling edge and the lateral edge extends downwards in a curved manner, forming a truncating portion.

IPC Classes  ?

• F04D 29/30 - Vanes
• F04D 29/16 - Sealings between pressure and suction sides
• F04D 29/28 - Rotors specially adapted for elastic fluids for centrifugal or helico-centrifugal pumps
• F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven

Abstract

An easy-to-start motor includes a base, a stator and a rotor. The base has a plastic member and a metallic induction member wrapped with the plastic member. The metallic induction member includes at least one magnetic attraction portion. Each magnetic attraction portion is in the form of a protrusion. The stator is coupled with the base. The rotor has a shaft and a permanent magnet. The shaft is capable of being coupled with the base. The at least one magnetic attraction portion is magnetically attracted by the permanent magnet, to prevent the rotor from stopping at a dead location where it is difficult to start the motor. A base of the easy-to-start motor is adapted to be coupled with a rotor, including a plastic member and a metallic induction member wrapped with the plastic member.

IPC Classes  ?

• H02K 1/27 - Rotor cores with permanent magnets
• H02K 29/03 - Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with a magnetic circuit specially adapted for avoiding torque ripples or self-starting problems
• H02K 21/24 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos

Abstract

A centrifugal fan includes a fan frame, a stator assembly and an impeller. The fan frame has a base plate portion, a cover plate portion and a lateral wall portion. The cover plate portion includes first and second faces. The cover plate portion includes an air inlet, and the lateral wall portion includes an air outlet. The impeller has a radial rotational range. The cover plate portion includes an air-guiding section and an enlarged guiding section. The air-guiding section is aligned with the radial rotational range, and the enlarged guiding section is aligned with an area outside the radial rotational range. A part of the second face is spaced from a bottom of the base plate portion by a first minimal axial distance, and another part of the second face is spaced from the bottom by a second minimal axial distance smaller than the first minimal axial distance.

IPC Classes  ?

• F04D 11/00 - Other rotary non-positive-displacement pumps
• F04D 29/42 - CasingsConnections for working fluid for radial or helico-centrifugal pumps
• F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven
• F04D 29/44 - Fluid-guiding means, e.g. diffusers

Abstract

A motor's stator unit includes a base and a stator. The base has a shaft tube. The stator has a silicon steel plate unit, an insulation sleeve unit and a coil unit. The silicon steel plate unit has an inner circumferential wall forming a through-hole. The insulation sleeve unit has an engagement hole. The silicon steel plate unit and the insulation sleeve unit are stacked together. The through-hole and the engagement hole are aligned with each other to allow the shaft tube to extend through the through-hole and the engagement hole. An enameled copper wire is wound around a predetermined part of the insulation sleeve unit to form the coil unit. The insulation sleeve unit is press fitted around an outer circumferential wall of the shaft tube via at least one buffering member, so as to prevent the silicon steel plate unit from excessively compressing the shaft tube.

IPC Classes  ?

• H02K 5/16 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
• H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
• H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
• H02K 3/52 - Fastening salient pole windings or connections thereto
• H02K 5/167 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings

Abstract

A motor's stator unit includes a base and a stator. The base has a shaft tube. The stator has a silicon steel plate unit, an insulation sleeve unit and a coil unit. The silicon steel plate unit has an inner circumferential wall forming a through-hole. The insulation sleeve unit has an engagement hole. The silicon steel plate unit and the insulation sleeve unit are stacked together. An enameled copper wire is wound around the insulation sleeve unit to form the coil unit. The engagement hole has a minimal diameter that is slightly smaller than an outer diameter of the shaft tube. The stator is press fit around the shaft tube via the insulation sleeve unit, to prevent the silicon steel plate unit of the stator from excessively compressing the shaft tube.

IPC Classes  ?

• H02K 5/16 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
• H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
• H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
• H02K 3/52 - Fastening salient pole windings or connections thereto
• H02K 5/167 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings

Abstract

A motor base includes a bottom plate and at least one vibration reduction unit. The bottom plate has opposite top and bottom surfaces. A shaft-coupling portion is arranged on the top surface. The at least one vibration reduction unit encloses the shaft-coupling portion. Each of the at least one vibration reduction unit includes at least one protrusion and at least one groove. The at least one protrusion is arranged on one of the top and bottom surfaces. The at least one groove is correspondingly arranged on the other one of the top and bottom surfaces.

IPC Classes  ?

• H02K 5/24 - CasingsEnclosuresSupports specially adapted for suppression or reduction of noise or vibrations
• F04D 29/66 - Combating cavitation, whirls, noise, vibration, or the likeBalancing
• F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven

Abstract

A blower fan includes a fan frame, a motor, an impeller and a shield. The fan frame includes a base plate portion, a cover plate portion, and a lateral wall portion arranged between the base plate portion and the cover plate portion. The cover plate portion includes an axial air inlet, and the lateral wall portion includes an air outlet. The motor is mounted in the fan frame. The impeller is rotatably coupled with the motor. The shield is coupled with the fan frame and has a face facing the axial air inlet. At least one lateral air inlet is formed between the cover plate portion and the shield. An air-guiding space is formed between the at least one lateral air inlet and the axial air inlet of the cover plate portion.

IPC Classes  ?

• F04D 29/70 - Suction gridsStrainersDust separationCleaning
• F04D 17/08 - Centrifugal pumps
• F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven
• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
• F04D 29/40 - CasingsConnections for working fluid
• F04D 29/42 - CasingsConnections for working fluid for radial or helico-centrifugal pumps

Abstract

A cooling system for use in a portable communication device includes a detection module, a cooling module and a central control module. The detection module detects whether the portable communication device is in a communication state and generates an acknowledgement signal. The cooling module includes a fan and a driving unit. The central control module is electrically coupled to the detection module and the driving unit, detects an operational temperature of said device, and generates a detected temperature value corresponding to the detected operational temperature. The central control module controls the fan to operate in a silent mode or a cooling mode. The central control module controls the fan to operate in the silent mode if the central control module receives the acknowledgement signal when the detected temperature value is smaller than a temperature threshold value, else the central control module controls the fan to operate in the cooling mode.

IPC Classes  ?

• F04D 15/00 - Control, e.g. regulation, of pumps, pumping installations, or systems
• F04D 27/00 - Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
• F04D 25/08 - Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
• F04B 49/06 - Control using electricity
• F04B 49/20 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups by changing the driving speed
• F01P 5/04 - Pump-driving arrangements
• H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
• F04B 19/20 - Other positive-displacement pumps

Abstract

A motor includes a base, a stator, and a rotor. The base includes a shaft tube having an open end and receiving an inner assembly. The stator is mounted to an outer periphery of the shaft tube. The rotor is rotatably coupled to the inner assembly. The stator includes an insulating bobbin unit having an extension extending in a radial direction to the open end of the shaft tube. The extension includes an engagement hole. The shaft tube includes a positioning member having an engaging section engaged in the engagement hole. The insulating bobbin unit is fixed by an end of the engaging section. The engagement stability of the stator is enhanced by engagement of the positioning member of the base and the insulating bobbin unit.

IPC Classes  ?

• H02K 21/12 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets
• H02K 3/52 - Fastening salient pole windings or connections thereto
• H02K 5/167 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings

Abstract

A motor structure includes a housing having a shaft tube receiving a shaft retaining assembly. The shaft tube includes a positioning member on an outer periphery thereof. A rotor includes a shaft rotatably extending through the bearing. A stator is mounted around the shaft tube, couples with the positioning member, and includes a bobbin having an abutting portion pressing a top face of the shaft retaining assembly by a free end thereof. Specifically, the positioning member is distant from the top face by a first distance in an axial direction of the shaft tube, the abutting portion is made of elastic material, the positioning member is distant from the free end by a second distance in an axial direction of the assembling hole is defined, and the second distance is smaller than the first distance when the stator is separate from the shaft tube.

IPC Classes  ?

• H02K 5/16 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
• H02K 5/167 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
• F16C 17/02 - Sliding-contact bearings for exclusively rotary movement for radial load only
• G11B 19/20 - DrivingStartingStoppingControl thereof
• H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
• H02K 7/08 - Structural association with bearings

Abstract

A motor with an oil storage function includes a base, a bearing, a stator unit and a rotor. The base includes a shaft tube portion having a closed end and an open end. The bearing is received in the shaft tube portion of the base. The stator unit is fixed to the base and has an insulation unit. The insulation unit has a blocking portion extending towards the open end of the shaft tube portion. The rotor includes a hub having a shaft and a permanent magnet. The shaft is rotatably coupled with the bearing, and an air gap is formed between the permanent magnet and the stator unit. The blocking portion of the insulation unit, the shaft tube portion and the bearing jointly form an enlarged oil chamber at the open end of the shaft tube portion.

IPC Classes  ?

• H02K 5/167 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
• 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

Abstract

A motor with power-generating coil module includes: a base that has a shaft tube, a supporting surface surrounding the shaft tube, a first coil module mounted on an outer circumferential surface of the shaft tube, and a second coil module disposed above the supporting surface; a rotor that has a carrier extending a lateral wall toward the base, a shaft rotatably coupling with the shaft tube, and a magnetic member mounted on the lateral wall and having an axial extension and a radial extension, with a first magnetic face on the axial extension and facing the first coil module and a second magnetic face on the radial extension and facing the second coil module; a driving circuit electrically connecting with one of the first and second coil modules; and a power-storing unit electrically connecting with the other one of the first and second coil modules.

IPC Classes  ?

• H02K 47/00 - Dynamo-electric converters

Abstract

A motor with power-generating coil set including a base, a rotor, a driving circuit and a power-storing unit is disclosed. The base has a shaft coupling portion and a supporting surface, wherein the supporting surface surrounds the shaft coupling portion, and a driving coil set and a power-generating coil set are disposed above the supporting surface. The rotor has a carrier, a shaft and a magnetic member, wherein the carrier has a coupling surface, the shaft rotatably couples with the shaft coupling portion of the base, and the magnetic member is mounted on the coupling surface and has a magnetic face facing the driving coil set and the power-generating coil set. The driving circuit electrically connects with and sends a driving signal to the driving coil set. The power-storing unit electrically connects with and stores electric power generated by the power-generating coil set.

IPC Classes  ?

• H02K 21/24 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
• H02K 21/00 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets
• H02K 29/00 - Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices

Abstract

A heat dissipating fan includes a housing having a base and a sidewall coupled to the base. The sidewall defines a compartment. The housing includes an air inlet, an air outlet and a dust channel. The air outlet includes opposite first and second end edges located at a same straight side of the housing. The housing defines a first plane. The impeller includes a hub and several blades. The impeller defines a second plane. The compartment of the housing includes an air outlet section and a pressure accumulating section. The air outlet section is located between the first and second planes. The air outlet is located in the air outlet section. The dust channel extends in an angle with respect to the second plane. An impeller is coupled to the stator that is coupled to the base. A control element includes a driving circuit and a rotating direction control circuit.

IPC Classes  ?

• F04B 35/04 - Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
• F04D 29/70 - Suction gridsStrainersDust separationCleaning
• F04D 13/06 - Units comprising pumps and their driving means the pump being electrically driven
• F04D 27/00 - Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
• F04D 29/42 - CasingsConnections for working fluid for radial or helico-centrifugal pumps
• F04D 17/16 - Centrifugal pumps for displacing without appreciable compression
• F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven

Abstract

A cooling fan includes a fan frame, a circuit board, a stator-coil unit and an impeller. The fan frame includes a metal seat and a lateral wall. The metal seat includes an engaging face and an engaging portion arranged on the engaging face. The lateral wall is arranged on a periphery of the metal seat and includes an air inlet and an air outlet. The circuit board includes a positioning hole. The circuit board is press fit around the engaging portion of the metal seat via the positioning hole and adhered to the engaging face of the metal seat. The circuit board includes an insulation layer facing the metal seat. The stator-coil unit is mounted on the metal seat of the fan frame and electrically connected to the circuit board. The impeller is rotatably coupled with the stator-coil unit.

IPC Classes  ?

• F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven
• F04D 29/06 - Lubrication
• F04D 17/16 - Centrifugal pumps for displacing without appreciable compression
• F04D 29/42 - CasingsConnections for working fluid for radial or helico-centrifugal pumps
• F04D 29/60 - MountingAssemblingDisassembling

Abstract

A motor with an axial air gap includes a base, a rotor and a coil unit. The base has a shaft-coupling portion. The rotor has a body coupled with a permanent magnet and a shaft. The permanent magnet has inner and outer circumferential faces, and the inner and outer circumferential faces are respectively projected onto the base as inner and outer circles. The shaft is coupled with the shaft-coupling portion. The coil unit is mounted on the base and has one or more coils. The permanent magnet and the coil unit face each other. At least one coil has a periphery intersecting with the inner and outer circles. The permanent magnet has a first radial length between the inner and outer circumferential faces. At least one coil has a second radial length. The first radial length is 10% to 90% of the second radial length.

IPC Classes  ?

• H02K 21/12 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets

Abstract

A motor control method comprises: inputting a PWM signal into a control unit for the control unit to obtain a direction command and a speed command by an identification rule, and generating a control signal according to the direction and speed commands by the control unit; and generating a driving signal according to the control signal by the driving unit for driving a motor to operate according to the direction and speed commands.

IPC Classes  ?

• G05B 11/28 - Automatic controllers electric in which the output signal is a pulse-train using pulse-height modulationAutomatic controllers electric in which the output signal is a pulse-train using pulse-width modulation
• H02P 23/00 - Arrangements or methods for the control of AC motors characterised by a control method other than vector control

Abstract

An encapsulated stator includes a driving module coupled to a shaft tube. The driving module includes a silicon steel plate unit. A coil unit is wound around the silicon steel plate unit. A jacket is mounted to an outer periphery of the silicon steel plate unit of the driving module. The jacket includes an inner face and an outer face opposite to the inner face. The inner face of the jacket faces the driving module. An encapsulant is bonded to the driving module, the jacket, and the shaft tube. The encapsulant encapsulates the driving module. The encapsulant partially encapsulates the outer face of the jacket.

IPC Classes  ?

• 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 5/128 - Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs
• H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
• H02K 5/08 - Insulating casings
• H02K 5/167 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings