A horizontal compressor includes a case; a high and low pressure separating plate dividing an inner space of the case into a high-pressure chamber and a low-pressure chamber; a compressor in the high-pressure chamber configured to be operated by a motor to compress refrigerant; a suction pipe in the case to communicate with the low-pressure chamber and through which the refrigerant is sucked; and an internal suction pipe to pass through the high and low pressure separating plate, one end of the internal suction pipe connected to the compressor and another end of the internal suction pipe to communicate with the low-pressure chamber so that the refrigerant in the low-pressure chamber flows into the compressor, wherein the internal suction pipe includes a connecting pipe adjacent to a lower surface of the case parallel to a central axis of the case.

Aspects described herein relate generally to rotary compressors that incorporate a flywheel within to significantly reduce the compressor vibration and drive torque ripples as well as to achieve a higher overall electro-mechanical efficiency and potentially lower combined costs of BLDC rotary compressors and their drive electronics.

A fluid transfer pump comprises: a housing, a pump unit, an electric motor assembly, a power supply mounting base, and a speed change mechanism, wherein the pump unit comprises an impeller; the electric motor assembly is used to drive the impeller to rotate around an axis of the impeller; the power supply mounting base is used to receive a power supply for supplying electricity to the pump unit; and the speed change mechanism is arranged between the pump unit and the electric motor assembly. The power supply mounting base is arranged in a power supply compartment; and the pump unit, the speed change mechanism, the electric motor assembly, and the power supply compartment are successively arrayed in an extension direction of the axis of the impeller.

A fluid pump, in particular for a temperature management system, of an electric battery-driven motor vehicle or of a hybrid motor vehicle, having at least one first pump assembly configured and provided for pumping a first fluid medium; and at least one second pump assembly configured and provided for pumping a second fluid medium; wherein the first pump assembly and the second pump assembly are provided as orbiter eccentric piston pumps, particularly as two-row orbiter eccentric piston pumps with respectively phase-shifted orbiter eccentric pistons and are coupled with a single drive motor in a drivable manner.

A scroll compressor of vehicles includes a housing including a first opening to form a receiving space, a compressing mechanism, and an electrical machinery mechanism including a rotor and a stator. The electrical machinery mechanism, located in the receiving space, drives the compressing mechanism to rotates. A lower holder is fixed to an upper holder via the stator. The stator is coupled to a binding post by lead-out wires, and the binding post, away from a bottom wall of the housing, is located between an inner wall of the housing and an outer wall of the stator. The stator and the binding post are directly or indirectly installed to a same component, and a distance between an outlet of the lead-out wires and the binding post is constant during the assembling process of the binding post and the lead-out wires.

A flange is held by a peripheral wall of an intermediate housing member and a peripheral wall of a motor housing member. In this state, bolts are passed through the intermediate housing member and the flange and are threaded to a peripheral wall of the motor housing member, thereby integrally fixing a shaft support housing member to the intermediate housing member and the motor housing member. Thus, the shaft support housing member sufficiently receives the fastening force of the bolts. Vibration of the shaft support housing member is therefore easily suppressed. The intermediate housing member includes a peripheral wall. Thus, the intermediate housing member has a higher stiffness than in a case in which the intermediate housing member does not have the peripheral wall.

A rotary compressor is provided that may include a cylinder having an inner peripheral surface defined in an annular shape to define a compression space, and provided with a suction port configured to communicate with the compression space and through which refrigerant is suctioned into the compression space; a roller rotatably provided in the compression space of the cylinder, and having a plurality of vane slots that provides a back pressure at one side thereinside and that is provided at a predetermined interval along an outer peripheral surface of the roller; and a plurality of vanes slidably inserted into the plurality of vane slots, respectively, and configured to rotate together with the roller, front end surfaces of which come into contact with the inner peripheral surface of the cylinder due to the back pressure to partition the compression space into a plurality of compression chambers. High-pressure refrigerant may be accommodated between one of the plurality of vanes and the inner peripheral surface of the cylinder.

The invention relates to a temperature control device for a battery bank module (5). In addition to a temperature control circuit (50), which has a plurality of channels which are in thermal contact with battery cells, and a heat exchanger, the temperature control device also comprises a pump (1). The pump (1) comprises a spindle housing (10) and at least one screw spindle (2a, 2b) which is coupled to a dry-rotor-type electric motor (3).

This pump comprises: a housing; a stator which is disposed in the housing and comprises a coil; and pump gears disposed so as to correspond to the stator, wherein the pump gears comprise an outer gear and an inner gear, which is disposed inside the outer gear, and the outer gear is formed of magnetic material.

A compressor includes a casing that stores lubricant at a bottom, a compression mechanism disposed in the casing to suck and compress a refrigerant, and an oil return member forming an oil return flow path that extends in a top-to-bottom direction to guide the lubricant discharged from the compression mechanism downward. The oil return flow path includes a uniform-cross-section flow path, and a varying-cross-section flow path continuous with a lower end of the uniform-cross-section flow path. A lower end of the varying-cross-section flow path forms an outlet of the oil return flow path and lies along an inner surface of the casing. A the lower end of the varying-cross-section flow path has a greater width than an upper end of the varying-cross-section flow path, and the lower end of the varying-cross-section flow path has a smaller thickness than the upper end of the varying-cross-section flow path.