Abstract: A heat exchange device, including a heat exchanger main body and a temperature regulation assembly; when the temperature of an oil that flows into a valve cavity is higher than or equal to a preset temperature, the elastic potential energy of a memory spring of the temperature regulation assembly is activated, and the oil enters a heat exchange channel for heat exchange; otherwise, the oil directly flows out of the heat exchanger main body by means of a bypass channel without passing through a heat dissipation assembly; the thermal reaction of the memory spring is fast and response time is short, greatly improving the operating performance and usage safety of a transmission; moreover, the memory spring is small in size, and has higher installation stability, while cooperative use with other parts is not necessary, thus simplifying the structure of the temperature regulation assembly.

Abstract: A plate heat exchanger is provided in the present application, which includes multiple first plates and multiple second plates which are alternately stacked together, first flow passages and second flow passages spaced from each other are formed between the first plates and the second plates, a first passage is formed by first orifices, a second passage is formed by second orifices, and the first passage and the second passage are in communication with each other via the first flow passages or the second flow passages to form a first fluid passage. At least one damping structure is provided in the first fluid passage, and at least a part of the first fluid passage is in communication with a first pipe or a second pipe via the damping structure.

Abstract: A centrifugal pump is provided, which includes a rotor assembly, the rotor assembly includes an impeller including multiple blades and a blade fixing portion, the blades and the blade fixing portion are integrally formed by injection molding, and the blades are circumferentially distributed at equal intervals along the blade fixing portion. The blade includes a first side, a second side, a blade top portion and a blade root portion, and the blade root portion and the blade fixing portion are fixed by injection molding. The blade top portion is a cantilever end of the blade, and the first side and the second side are arranged between the blade root portion and the blade top portion. The rotor assembly arranged in such manner can improve the hydraulic efficiency and lift of the centrifugal pump.

Abstract: A thermostatic valve includes a valve body with a cavity provided therein, an end cover assembly, and a thermal actuator and at least one spring that are mounted in the cavity. The valve body is provided with at least three ports including a first port, a second port and a third port. The thermal actuator includes a valve rod and a main body. The spring includes a first spring. The cavity includes a first cavity and a second cavity, and the second cavity is away from the end cover assembly. The first port is in communication with the first cavity, and the third port is in communication with the second cavity. The first spring is partially or completely located in the second cavity. The thermostatic valve further includes a guide fitting part. The thermostatic valve has a simple structure, and the operation thereof is more stable and reliable.

Abstract: An electric valve includes a valve body, a spool assembly, and a coil assembly. The spool assembly includes a piston, a valve seat, a valve needle, and a rotor. The valve seat is provided with a first valve port. The valve body is provided with a first port, a second port, a second valve port, and a bypass channel. One end of the first valve port keeps communication with the first port, and another end of the first valve port is in communication with the second port by means of the bypass channel. A third valve port is arranged between the second valve port and the second port. A check valve is directly disposed between the third valve port and the second port.

Abstract: An integrated cooling assembly includes a cooling assembly and a valve assembly. The cooling assembly has a first interface and a second interface. The valve assembly includes a connecting block and a valve core assembly. The connecting block has at least a mounting hole for mounting the valve core assembly, and a first port and a second port in communication with the mounting hole. The second port is located on an inner end surface of the connecting block. The inner end surface faces the cooling assembly. The first interface is in communication with the second port. The valve assembly comprises a first fluid channel. One end of the channel is the first port of the connecting block, and the other end is the second port. A channel passage area of the first fluid channel switches between zero and a specified passage area of the first fluid channel.

Abstract: A thermal expansion valve includes a power head and a valve body. The power head and the valve body are fixedly arranged. The power head includes a power head cover, a power head seat, and a membrane. The membrane includes a membrane recess and a corrugated portion. The membrane recess is located at the center position of the membrane. The corrugated portion is located at the peripheral position of the membrane recess. The membrane recess is recessed away from the power head cover. The valve body comprises a top portion. The top portion is provided with an opening. At least a part of the power head is extended into the opening. With an axial direction of the valve body as a projection direction, a projection of the power head towards the top portion falls on the top portion.

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 impeller is provided, which includes an upper plate, blades, and a lower plate. The blades are arranged between the upper plate and lower plate. The upper plate includes an upper surface and a lower surface, the blades are integrally formed with the upper plate by injection molding, and the blades are located at the lower surface of the upper plate. The blades include first blades. Each of the first blades includes one arc, a combination of multiple arcs, or a combination of multiple arcs and straight lines. The first blades are uniformly distributed along a circumference of the upper plate, and the first blade includes a first tail, and the first tail of the first blade make a first side of the first blade have no intersection with an outer edge of the upper plate.

Abstract: A centrifugal pump is provided, which includes a rotor assembly, the rotor assembly includes an impeller including multiple blades and a blade fixing portion, the blades and the blade fixing portion are integrally formed by injection molding, and the blades are circumferentially distributed at equal intervals along the blade fixing portion. The blade includes a first side, a second side, a blade top portion and a blade root portion, and the blade root portion and the blade fixing portion are fixed by injection molding. The blade top portion is a cantilever end of the blade, and the first side and the second side are arranged between the blade root portion and the blade top portion. The rotor assembly arranged in such manner can improve the hydraulic efficiency and lift of the centrifugal pump.

Abstract: A thermostatic valve includes a valve body, first and second elastic members, a valve seat assembly, a valve core, and a thermal actuator. The thermostatic valve includes six ports, four valve port portions each having a valve port, and a first cavity and a second cavity which are isolated from each other. One of the third port, the fourth port and the sixth port is in communication with the second cavity, and the other two of the third port, the fourth port and the sixth port are configured to be in communication with the second cavity through valve ports; and one of the first port, the second port and the fifth port is in communication with the first cavity, and the other two of the first port, the second port and the fifth port are configured to be in communication with the first cavity through valve ports.

Abstract: A centrifugal pump is provided, which includes a rotor assembly and a shaft. The rotor assembly includes an injection molded body and a shaft sleeve, the rotor assembly is injection molded taking the shaft sleeve as an injection molding insert, and the impeller injection molded body and the shaft sleeve are fixed by injection molding. The rotor assembly is rotatably supported on the shaft by the shaft sleeve, and the shaft sleeve is processed by injection molding or forging. The shaft sleeve is of a hollow structure, and the shaft sleeve includes a body. A central hole is formed in the body. The shaft sleeve further includes an impeller limiting portion configured to limit a rotating movement and an axial movement of the shaft sleeve with respect to the injection molded body.

Abstract: A heat exchanger includes a case body and a heat exchange core, a first fluid channel is formed in the case body, a second fluid channel is formed in the heat exchange core, the heat exchange core includes a flat pipe, the second fluid channel is located in the flat pipe, the flat pipe includes a plurality of bending parts and a plurality of flat and straight parts; a first hole in communication with a first connection pipe and a second hole in communication with a second connection pipe are provided in the case body, the first hole partially corresponds to the bending parts on one side of the flat pipe or the flat and straight parts close to the bending parts, and the second hole partially corresponds to the bending parts on the other side or the flat and straight parts close to the bending parts.

Abstract: A heat exchange device includes a heat exchanger, a mounting plate, and a connecting block. The heat exchanger includes several first plates, several second plates, and an end plate and a bottom plate located at two sides of the heat exchanger. Each of the first plates and an adjacent second plate form a first flow passage and a second flow passage, the mounting plate and the end plate are fixedly mounted, and the connecting block is fixedly mounted to the bottom plate. A passage running through the heat exchanger and not in communication with the first flow passage and the second flow passage is formed in the heat exchanger, the passage has one end in communication with a communicating hole of the mounting plate, and another end in communication with a connecting channel of the connecting block.

Abstract: An electric pump is provided, which includes a housing, a shaft, a rotor assembly and a stop assembly. The shaft is fixed to the housing, the rotor assembly is rotatable about the shaft, and the rotor assembly is sleeved on the shaft. The stop assembly is configured to limit the position of the rotor assembly in the chamber. The stop assembly includes a first stop and a second stop, the first stop is fixed with respect to a second portion of the shaft, and the second stop is fixed with respect to a first portion of the shaft. No relative movement occurs between the stop assembly and the shaft, which reduces the abrasion between the stop assembly and the shaft resulted from friction, and facilitates improving a service life of the stop assembly.

Abstract: A heat exchange device includes a heat exchanger and a mounting plate for fixing the heat exchange device, and includes first and second flow passages which are not in communication with each other. The mounting plate includes a communication hole, a protruding portion and a mounting hole. The protruding portion protrudes outwards from the front side of the mounting plate. The mounting hole extends through the protruding portion and the mounting plate and includes a valve core receiving cavity. The valve core receiving cavity is in communication with the communication hole via a connection groove at a back side of the mounting plate; the mounting plate is fixed to the heat exchanger in a sealed manner, the mounting hole is in communication with the first flow passage, and the communication hole is in communication with the first flow passage via the connection groove and the mounting hole.

Abstract: A system for adjusting transmission oil temperature, a heat exchange assembly and a valve assembly. The heat exchange assembly includes a heat exchange core, a valve assembly, an adapter base, and a mounting plate fixed with the heat exchange core. The valve assembly is arranged in or partially located in a second passage of the heat exchange core. The valve assembly has a first valve port and a first notch. The heat exchange core further includes a through passage in communication with a fourth port. When a first valve port is opened, a third port is in communication with the fourth port through a first passage, the second passage, the first notch and the first valve port in turn. When the first valve port is closed, the third port is in communication with a fifth port through the first passage, the second passage and the first notch in turn.

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.