Abstract: A fluid management assembly and a thermal management system. The fluid management assembly has a first chamber and a first valve core located in the first chamber. The fluid management assembly has a throttle chamber. The first valve core has a conduction channel. The first chamber can communicate with other portions by means of a throttle channel or the conduction channel.

Abstract: An electronic expansion valve and a thermal management assembly. The electronic expansion valve has a valve port and a valve core. A valve body includes a first flow portion, a second flow portion, a first cavity and a second cavity. The first flow portion comprises a first connection section and a first subsection, and the first subsection is directly in communication with the first cavity. The second flow portion comprises a second connection section and a second subsection, and the second subsection is directly in communication with the second cavity. In a clockwise direction, an angle formed between at least one of the center line of the first subsection and the center line of the second subsection and the center line of the valve core is an acute angle.

Abstract: An electronic expansion valve includes the valve needle screw assembly which also includes an outer edge guide section, the electronic expansion valve includes an inner edge guide section matched with the outer edge guide section, in the process of the action of the valve needle of the electronic expansion valve, the outer edge guide section of the valve needle screw assembly is matched with the inner edge guide section of the electronic expansion valve, to provide the guide for the valve needle, relatively reducing the deviation of the valve needle relative to the valve port, thereby reducing the eccentric wear of the valve needle.

Abstract: An electronic expansion valve includes a valve seat assembly, a first pipe connecting portion, and a second pipe connecting portion. The valve seat assembly includes an outer wall portion, a valve port portion having a valve port, a first valve seat cavity, and a second valve seat cavity. The first valve seat cavity is located above the valve port portion. The second valve seat cavity is located below the valve port portion. The valve port is capable of communicating with the first valve seat cavity and the second valve seat cavity. The first pipe connecting portion is fixedly connected to the outer wall portion located above the valve port portion. The second pipe connecting portion is fixedly connected to the outer wall portion located below the valve port portion. The inner diameter of the second valve seat cavity is greater than the inner diameter of the second pipe connecting portion.

Abstract: A gas-liquid separator includes a first cylinder, a second cylinder and a heat exchange assembly. The first cylinder is surrounded by the second cylinder at a predetermined distance. The heat exchange assembly is arranged between the first cylinder and the second cylinder. The heat exchange assembly includes a collecting pipe. An extension direction of the collecting pipe is parallel to an axial direction of the first cylinder. At least a part of a side wall surface of the first cylinder is formed with an avoidance portion recessed inwardly. At least a part of the collecting pipe is arranged between the avoidance portion and the second cylinder.

Abstract: A fluid management assembly. The fluid management assembly comprises a valve body, a first chamber, a second chamber, a first flow passage, a second flow passage, a third flow passage and a fourth flow passage, wherein the first flow passage, the second flow passage and the third flow passage have openings in an outer wall of the valve body; the valve body is provided with the second chamber, the second flow passage and a first passage; and the first passage can communicate the first chamber and the second chamber. The fluid management assembly is provided with a plurality of channels, the first chamber and the second chamber.

Abstract: An electromagnetic control device and a gas valve are provided. The electromagnetic control device includes a sealing head, a sleeve, a first regulating part and a second regulating part. The sealing head is fixedly connected with the sleeve, a part of the sealing head is located inside the sleeve; the sealing head includes a first internal threaded portion, and the first regulating part includes a first external threaded portion; the first regulating part further includes a second internal threaded portion, the second regulating part includes a second external threaded portion. The electromagnetic control device further includes a damping part, the damping part is arranged between a threaded connection structure between the first regulating part and the sealing head, and the damping part is connected to one of the first regulating part and the sealing head.

Abstract: Provided are an electric valve, a thermal management assembly, and an air conditioning system. The electric valve includes a valve body, a circuit board, and a sensor. The valve body has a passage, and the sensor is connected to the circuit board in at least one of an electric connection mode and a signal connection mode. The sensor is configured to detect at least one of a pressure or a temperature of a working medium in the passage. At least one of the valve body or a housing of the sensor includes a metal portion, and a reference ground of the circuit board is electrically connected directly or indirectly to the metal portion.

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 pump is provided. The electric pump includes a PCB board, where the PCB board is formed with a power input port. The electric pump further includes a common mode filter, where the common-mode filter includes a common mode inductor, and the common mode inductor is arranged close to the power input port; and in a direction perpendicular to a plane on which the PCB is located, no wiring is provided at the common mode inductor corresponding to a wiring film layer in the PCB.

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: Provided are a control method, a control system and an electric valve. The control method includes steps described below. An actually measured setting parameter curve is acquired. A required setting parameter curve is acquired. Both the actually measured setting parameter curve and the required setting parameter curve represent a corresponding relationship between a position of the electric valve and a setting parameter. The actually measured setting parameter curve and the required setting parameter curve are fitted to acquire a position mapping curve. A setting required position is obtained according to a required setting parameter and the required setting parameter curve, and a setting actual position is acquired according to the setting required position and the position mapping curve. The electric valve is controlled to run toward the setting actual position of the electric valve.

Abstract: An electronic expansion valve includes a valve component and a stator component; the valve component includes a valve body assembly, a valve core, a threaded transmission assembly and a rotor; the valve body assembly is provided with a valve port, and the valve core is driven by the threaded transmission assembly to control an opening of the valve port; a wear-resistant coating is arranged on a contact surface of at least one of components having relative movement of the electronic expansion valve, the wear-resistant coating is applied by spraying, and the wear-resistant coating has a thickness of 5 to 8 microns; and the material of the wear-resistant coating includes a molybdenum disulfide material and a polytetrafluoroethylene material.

Abstract: Provided are an electronic expansion valve, a manufacturing method thereof and a thermal management assembly. The electronic expansion valve includes a valve body, a valve component and a control portion. The valve component includes a valve seat, a valve core and a rotor assembly. The valve seat is formed with a valve port, the rotor assembly is capable of driving the valve core to move relative to the valve seat to adjust an opening degree of the valve port. The control portion includes a cover body, a stator assembly and an electric control board. The stator assembly is in electrical connection to, or is in signal connection to, or is in electrical connection to and in signal connection to the electric control board. The electronic expansion valve further includes a sensor. The control portion provided with a control cavity. The electric control board is disposed in the control cavity.

Abstract: An electrically operated valve includes a rotor, a stator assembly, a sleeve, a valve assembly, a box body, a circuit board assembly, and a valve port. The stator assembly is disposed outside the rotor, and the stator assembly includes a coil assembly. The sleeve is configured to isolate the stator assembly from the rotor. The valve assembly includes a spool. The box body has a cavity, and the circuit board assembly is accommodated in the cavity. The rotor is configured to drive the spool to move close to or away from the valve port.

Abstract: An electronic expansion valve including a rotor, a stator and a circuit board the rotor includes a permanent magnet, and the permanent magnet includes at least two pairs of magnetic poles; the stator includes a coil and a bobbin, wherein the coil is supported by the bobbin, and the bobbin is disposed at the periphery of the permanent magnet. Also included is a Hall sensor, which is disposed on the periphery of the permanent magnet; the Hall sensor and the coil are electrically connected to the circuit board; the Hall sensor includes a sensing portion, and the sensing portion is used for sensing magnetic pole change of the permanent magnet; the sensing portion is always located between the two ends of the permanent magnet during the entire operating process of the rotor.

Abstract: A fluid management assembly. The fluid management assembly comprises a valve body, a first chamber, a second chamber, a first flow passage, a second flow passage, a third flow passage and a fourth flow passage, wherein the first flow passage, the second flow passage and the third flow passage have openings in an outer wall of the valve body; the valve body is provided with the second chamber, the second flow passage and a first passage; and the first passage can communicate the first chamber and the second chamber. The fluid management assembly is provided with a plurality of channels, the first chamber and the second chamber.

Abstract: An electric pump including a pump shaft, a first rotor assembly, a stator assembly, and a second rotor assembly. The first rotor assembly is arranged in a first accommodation cavity, the stator assembly and the second rotor assembly are arranged in a second accommodation cavity; the electric pump further comprises a first channel and a second channel, the first channel passes through the upper and lower surfaces of the bottom wall of a first accommodation portion, the first channel can communicate with first accommodation cavity and the second accommodation cavity, at least part of a work medium in the first accommodation cavity can flow into the second accommodation cavity through the first channel, the second channel is arranged to penetrate through a first end face of the pump shaft and a second end face of the pump shaft.

Abstract: A thermal management system, the thermal management system having a coolant system, wherein the coolant system includes a battery circuit and a heating/cooling circuit; a second flow channel of a first heat exchanger, a battery heat exchanger, and a first pump form a part of the battery circuit, while a heater, a radiator, and a second pump form a part of the heating/cooling circuit; a first valve device turns on or blocks the battery circuit and the heating/cooling circuit; the coolant system comprises a connection portion, and the connection portion turns on or blocks the battery circuit and the heating/cooling circuit.

Abstract: An accumulator, including a housing and a cover body, one end of the housing being open; the housing is internally provided with an accommodating cavity, the accommodating cavity being internally provided with a filter; a peripheral wall of the housing comprises a first thick wall part, the first thick wall part being provided with an inlet channel, and one end of the inlet channel communicating with the accommodating cavity, while the other end of the inlet channel communicates with the outside; one end of an outlet channel communicates with the accommodating cavity by means of the filter, while the other end of the outlet channel communicates with an outer portion of the housing. The accumulator may be directly welded and fixed to a heat exchange core without requiring a pipeline connection, the risk of external leakage being small, and the anti-seismic performance being high.