Abstract: An electric pump includes a first housing, a stator assembly, and a pin. The first housing is injection-molded by using the stator assembly as an insert and fixed to the stator assembly by injection molding, and is provided with a pin hole for placing the pin. Thus, the fixation of a pump housing, the stator assembly and the pin is facilitated to be simplified.

Abstract: A fluid drive device, comprising a stator assembly, a pin, and a conductive member. The pin is electrically connected to a winding of the stator assembly and the conductive member. The conductive member comprises a main body portion, an end portion, and a pin portion. The main body portion is connected to the end portion and the pin portion. The pin portion can serve as a pin end electrically connected to an external power supply. The conductive member further comprises a first portion. The first portion is connected to the end portion by means of a first connecting portion. The first portion is located in an extending direction of the thickness of the end portion. The conductive member is provided with a first hole and a second hole.

Abstract: Related is an electric oil pump, and the electric oil pump includes a pump housing having an inner pump cavity, where the inner pump cavity includes a first cavity and a second cavity; a first rotor assembly disposed in the first cavity; a stator assembly and a second rotor assembly that are disposed in the second cavity; an electric control board; a supporting member at least partially disposed between the stator assembly and the electric control board; and a connecting terminal. The electric oil pump can reduce deformation of the connecting terminal when the connecting terminal is respectively connected to the stator assembly and the electric control board.

Abstract: An electric oil pump includes a pump housing provided with an a first cavity and a second cavity; a first rotor assembly disposed in the first cavity; a stator assembly and a second rotor assembly that are disposed in the second cavity; an electric control board assembly; an isolating member, where the stator assembly is disposed at a first side of the isolating member, the electric control board assembly is disposed at a second side of the isolating member; and a wiring terminal fixedly connected to the isolating member; where a connecting position between the wiring terminal and the isolating member is sealed and a connecting position between the isolating member and the pump housing is sealed. The electric oil pump can prevent working medium from affecting the performance of the electric control board assembly.

Abstract: A rotor assembly being an injection molded piece, and comprising a first shaft sleeve and a rotor; a first injection molded body is formed by using the rotor and the first shaft sleeve as injection molding inserts to pass through injection molding; a second injection molded body is formed by at least using the first injection molded body as an injection molding insert to pass through injection molding; the second injection molded body comprises a lower cover plate and a wrapping layer, the wrapping layer wrapping around at least a portion of the outer peripheral surface of the first injection molded body; the rotor assembly further comprises blades, the blades being fixedly connected to the lower cover plate or the blades forming an integrated structure with the lower cover plate.

Abstract: An electric oil pump includes a pump housing provided with an a first cavity and a second cavity; a first rotor assembly disposed in the first cavity; a stator assembly and a second rotor assembly that are disposed in the second cavity; an electric control board assembly; an isolating member, where the stator assembly is disposed at a first side of the isolating member, the electric control board assembly is disposed at a second side of the isolating member; and a wiring terminal fixedly connected to the isolating member where a connecting position between the wiring terminal and the isolating member is sealed and a connecting position between the isolating member and the pump housing is sealed. The electric oil pump can prevent working medium from affecting the performance of the electric control board assembly.

Abstract: Related is an electric oil pump, and the electric oil pump includes a pump housing having an inner pump cavity, where the inner pump cavity includes a first cavity and a second cavity; a first rotor assembly disposed in the first cavity; a stator assembly and a second rotor assembly that are disposed in the second cavity; an electric control board; a supporting member at least partially disposed between the stator assembly and the electric control board; and a connecting terminal. The electric oil pump can reduce deformation of the connecting terminal when the connecting terminal is respectively connected to the stator assembly and the electric control board.

Abstract: An electric oil pump includes a pump housing, a pump rotor assembly, a stator assembly, a motor rotor assembly and an electric control board, the pump housing defining a pump cavity including first cavity and second cavities, the pump rotor assembly arranged in the first cavity, and the stator assembly, the motor rotor assembly and the electric control board arranged in the second cavity. The pump housing includes a first housing having a side wall with inner and outer surfaces, at least a part of the inner surface is in contact with at least a part of an outer wall of the stator assembly, the outer surface is provided with or shaped with a first heat dissipating portion, at least a part of the first heat dissipating portion covers at least a part of an outer circumference of the stator assembly in a circumferential direction of the electric oil pump.

Abstract: An electric oil pump includes a pump housing, a first rotor assembly, a pump shaft, a second rotor assembly, a stator assembly, and a circuit board assembly. The pump housing includes at least a first housing, a second housing, and a third housing. A first cavity is formed between the first housing and the second housing. A second cavity is formed between the second housing and the third housing. The first rotor assembly is accommodated in the first cavity. The second rotor assembly, the stator assembly, and the circuit board assembly are accommodated in the second cavity. The first cavity and the second cavity are isolated by an isolation portion, such that working media provided therein do not communicate with each other.

Abstract: An oil pump includes a pump housing, a pump shaft, and a pump rotor assembly. The pump housing is capable of forming a pump cavity. The pump cavity includes a first cavity and a second cavity. The pump rotor assembly is provided in the first cavity. At least part of the pump shaft is provided in the second cavity. The pump rotor assembly includes a first rotor and a second rotor. The first rotor is capable of rotating the second rotor, and is fixedly connected to the pump shaft. The pump shaft is capable of rotating the first rotor. The first rotor includes a connecting portion. A connecting hole is provided in the connecting portion. At least part of the pump shaft is provided in the connecting hole. At least part of the connecting portion engages with at least part of the pump shaft.

Abstract: An electrically driven pump is provided, which includes a rotor assembly. The rotor assembly includes an impeller, a rotor and a shaft sleeve assembly. The impeller is arranged on one end of a shaft sleeve, and the rotor is arranged on another end of the shaft sleeve away from the end on which the impeller is mounted. The rotor includes a rotor core, a permanent magnet and a shield. The permanent magnet is arranged around an outer peripheral surface of the rotor core and fits the outer peripheral surface of the rotor core. The shield is fixed to the shaft sleeve, and an accommodating portion configured to accommodate the rotor core and the permanent magnet is formed between the shield and the shaft sleeve. The electrically driven pump has a simple structure and is easy to manufacture.

Abstract: An electric pump is provided according to the application, which includes a housing, a shaft, an impeller, a rotor assembly, a stator assembly and an inner chamber. The shaft, the impeller and a rotor are arranged in the inner chamber. The housing includes a first housing, a partition and a second housing, and the partition divides the inner chamber into a wet chamber and at least one dry chamber. The partition includes a first side wall, a first bottom, a second side wall and a second bottom. The second side wall isolates the rotor assembly and the stator assembly. An outer peripheral surface of the second side wall is provided with reinforcing ribs, and the reinforcing ribs improve the strength of the second side wall.

Abstract: An electric pump is provided according to the application, which includes a housing, a shaft, an impeller, a rotor assembly, a stator assembly and an inner chamber The shaft, the impeller and a rotor are arranged in the inner chamber. The housing includes a first housing, a partition and a second housing, and the partition divides the inner chamber into a wet chamber and at least one dry chamber. The partition includes a first side wall, a first bottom, a second side wall and a second bottom. The second side wall isolates the rotor assembly and the stator assembly. An outer peripheral surface of the second side wall is provided with reinforcing ribs, and the reinforcing ribs improve the strength of the second side wall.

Abstract: An electrically driven pump is provided, which includes a rotor assembly. The rotor assembly includes an impeller, a rotor and a shaft sleeve assembly. The impeller is arranged on one end of a shaft sleeve, and the rotor is arranged on another end of the shaft sleeve away from the end on which the impeller is mounted. The rotor includes a rotor core, a permanent magnet and a shield. The permanent magnet is arranged around an outer peripheral surface of the rotor core and fits the outer peripheral surface of the rotor core. The shield is fixed to the shaft sleeve, and an accommodating portion configured to accommodate the rotor core and the permanent magnet is formed between the shield and the shaft sleeve. The electrically driven pump has a simple structure and is easy to manufacture.