A package type fluid machine includes a plurality of compressor bodies; a machine compartment in which the plurality of compressor bodies are disposed; an exhaust duct that exhausts a cooling gas from the machine compartment; a plurality of aftercoolers that are disposed inside the exhaust duct to cool a compressed fluid from the compressor bodies; and a shield that is disposed between the aftercoolers to shield a flow of the cooling gas.

An electric device includes a case, an electric component that is provided in the case and has a main body section and a lead terminal extending from the main body section, the main body section being supported on the case, a circuit board that is provided in the case and has a connecting hole through which the lead terminal is inserted, and a guide member that has a guide hole positioned relative to the connecting hole, the lead terminal being disposed to penetrate through the guide hole.

A gas ejection apparatus includes: a cylinder having a rotating member that rotates within the cylinder; a motor coupled to the rotating member of the cylinder and that causes gas to be compressed inside the cylinder and to be ejected from the cylinder by causing rotation of the rotating member; a control circuit board that controls the motor; and a case in which the cylinder, the motor and the control circuit board are disposed. The case extends in a planar direction and has side surfaces that are orthogonal to the planar direction. The motor and the cylinder are arranged adjacent to each other in the planar direction of the case. The control circuit board is disposed adjacent to and substantially parallel to one of the side surfaces of the case.

A motor operated compressor includes a compression module configured to compress a compression target fluid by an orbiting motion of a scroll; an inverter module configured to control driving of the compression module; a main housing formed to surround a mechanical component provided in the compression module and having an intake port for intaking the compression target fluid; an inverter cover forming a boundary between the compression module and the inverter module and disposed to be exposed to the compression target fluid flowing into the compression module through the intake port; and a plurality of guide protrusions protruding from the inverter cover toward an internal space of the main housing to guide the compression target fluid flowing in through the intake port along a surface of the inverter cover, and formed along a direction from the intake port toward an opposite side of the intake port.

An electric compressor is provided, comprising a compression part comprising a fixed scroll and an orbiting scroll, a motor part coupled to the compression part and configured to apply a rotation force to the compression part, and an inverter part electrically coupled to the motor part and configured to apply power and control signals to the motor part. The inverter part comprises a power supply element housed therein and configured to apply power to the motor part, and a printed circuit board (PCB) electrically coupled to the power supply element and configured to apply a control signal to the motor part. The insulation member is located on one side of the power supply element adjacent to the PCT, and the insulation member is configured to shield the one side of the power supply element and prevent noise generated in the power supply element from reaching the PCB.

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.

A compressor system (01) with a system housing (02), in which are arranged heat generating system components (06) comprising at least one compressor stage (201) for compressing a gaseous medium, an air water cooler (12), a blower (15) which generates a cooling air flow (16), and air conducting elements. A cooling air channel (07) is configured which has an inlet opening (08) in the upper section of the system housing (02) and an outlet opening (09) in the lower section of the system housing (02), wherein upper air conducting elements (13) are positioned in order to conduct the cooling air flow (16) after flowing through the air water cooler (12) to the inlet opening (08), and lower air conducting elements (17) are positioned in order to conduct the cooling air flow (16) from the outlet opening (09) to the system components (06).

A pump assembly and a method for cooling the same are disclosed. The pump assembly includes a pump, a controller, and a driven electric motor. The pump and the electric motor are on opposing axial sides of the controller. The assembly also has a heat conductive plate positioned between the pump and the controller that conducts heat from the controller. A transfer passage is provided for receiving pressurized fluid output from the pump and to direct the fluid along and in contact with the heat conductive plate to conduct heat therefrom into the pressurized fluid. An outlet passage communicates with the assembly outlet to discharge the pressurized fluid.

Provided is a package-type compressor that can improve cooling performance for cooling a body unit and a control panel. The package-type compressor includes: a cooling fan accommodated in a fan duct to induce a flow of cooling air taken in through inlets and discharged through an outlet; a machine chamber that causes the cooling air taken in at the inlet to flow along a body unit; and a cooling duct that causes the cooling air taken in at the inlet to flow along the control panel. A center position of the suction port of the fan duct is offset away from the inlet and toward the inlet with respect to a center position of a drive shaft of a motor of the body unit.

An electric oil pump includes a motor including a shaft, a pump driven via the shaft, and an inverter on a rear side of the motor and fixed to the motor. The motor includes a rotor, a stator, and a motor housing. The pump includes a pump rotor and a pump housing. The motor housing includes a bottomed tubular shape including a bottom portion on the inverter side, and the inverter portion includes an inverter housing that accommodates a circuit board. The inverter includes a metal base plate on a front side of the inverter housing and extends in the radial direction with respect to the central axis. The base plate is fixed to the bottom portion of the motor housing.