Abstract: A motor-driven compressor comprises a mounting portion for mounting a housing including a fluid compression mechanism to an attachment section of a vehicle. The mounting portion includes a tubular body, a damping member provided integrally with the tubular body and formed from a resin, a fixing member provided integrally with the damping member and mounting the integrated tubular body and damping member to the housing, and a fastening member mounting the tubular body to the attachment section. The damping member is provided to be interposed between the tubular body and the fixing member, and the fixing member is provided to be interposed between the housing and the damping member.

Abstract: A motor-driven compressor that prevents electric leakage from a drive circuit while suppressing the generation of noise. The motor-driven compressor includes a compressor mechanism that compresses a refrigerant, a motor mechanism that actuates the compressor mechanism, a drive circuit that drives the motor mechanism. The drive circuit is connected to a power supply. An inner housing accommodates the compressor mechanism and the motor mechanism in a sealed state and holds the drive circuit. An outer housing accommodates the inner housing and includes a mounting portion that can be mounted to another member. An intermediate member arranged between the inner housing and the outer housing and between the drive circuit and the outer housing. The intermediate members include anti-vibration and thermal insulation properties. A protector protects the drive circuit from an external impact, wherein the protector is arranged on the outer housing.

Abstract: A motor-driven compressor to be mounted to an attachment section of a vehicle includes a fluid compression unit, an electric drive unit for the compression unit and a case. The case has a main body formed from a resin and covering at least the compression unit, and a mounting portion that is provided integrally with the main body and configured to be mounted to the attachment section. The mounting portion has a tubular body provided integrally with the main body and a fastening member inserted into the tubular body for mounting the tubular body to the attachment section. The main body is interposed between the compression unit and the tubular body.

Abstract: A motor-driven compressor includes an electric motor, a compression mechanism, which compresses gas by being driven by the electric motor, and a body accommodating the electric motor and the compression mechanism. The motor-driven compressor includes a motor control section, which drives the electric motor by controlling power supply to the electric motor, a vibration control section, which generates a waveform in a phase opposite to the waveform of vibration predicted to be generated in the body due to the driving of the electric motor, and a vibration applying device, which is located on the body and applies vibration in the opposite phase generated by the vibration control section to the body.

Abstract: A motor-driven compressor that suppresses the transmission of vibration and noise to the exterior, while obtaining heating performance that is sufficient for use in a heat pump. The motor-driven compressor includes a compressor mechanism, which compresses a refrigerant, and a motor mechanism, which actuates the compressor mechanism. The motor-driven compressor further includes an inner housing, which accommodates the compressor mechanism and the motor mechanism in a sealed state, and an outer housing, which accommodates the inner housing. The outer housing includes a mounting portion that can be mounted to another member. A first intermediate member is arranged between the inner housing and the outer housing. The first intermediate member includes anti-vibration and thermal insulation properties.

Abstract: A motor-driven compressor that suppresses the transmission of vibration and noise to the exterior. The motor-driven compressor includes a housing and a compressor mechanism and motor mechanism, which are arranged in the housing. The compressor mechanism draws refrigerant into the housing, compresses the refrigerant, and discharges the refrigerant from the housing. The motor mechanism actuates the compressor mechanism. The housing includes a first housing, in which the compressor mechanism and the motor mechanism are fixed, and a second housing, which includes a mounting portion that can be mounted to another member. An anti-vibration member is arranged between the first housing and the second housing.

Abstract: An electric compressor includes an inverter cover. The inverter cover has a metal plate that is arranged to cover an inverter (a circuit board). The metal plate has bolt insertion holes, through which metal bolts for fixing the inverter cover to a suction housing are passed. The head of each bolt contacts a flange portion, which is the periphery of the corresponding bolt insertion hole. The inverter cover is formed of plastic by being molded in a mold, using the metal plate as a core.

Abstract: A stator core includes an insertion hole that has an opening in an outer peripheral surface of the stator core and a bent portion in the stator core. A cluster block includes an insertion piece, which is inserted into the insertion hole via the cornered portion. The cluster block is attached to the stator core by engaging the insertion piece with the insertion hole.

Abstract: A fixing structure for an electrical component includes a heat removing member for removing heat from the electrical component. The heat removing member has a receiving portion for receiving the electrical component. The fixing structure for an electrical component further includes a separation member that is coupled to the electrical component to separate the electrical component from the heat removing member. The separation member is coupled to the heat removing member. The fixing structure for an electrical component includes a soft material member that is accommodated in the receiving portion to contact the receiving portion and the electrical component. Heat of the electrical component is transmitted to the heat removing member via the soft material member.

Abstract: A motor-driven compressor includes a terminal housing made of an electrically insulating material and accommodating therein an electrical connecting portion which includes a connecting terminal connecting to a conductive member and an electric wire. The compressor includes a first seal member and a second seal member to seal the inside of the terminal housing from the outside thereof. The terminal housing has a distance-increasing portion that increases the communicating distance from a compressor housing to the electrical connecting portion in the terminal housing. The distance-increasing portion allows the pressures in the terminal housing and the compressor housing to be equalized.

Abstract: In a motor-driven scroll type compressor, a rotary shaft includes a first opening at a position adjacent to a front end of the rotary shaft and facing an inner surface of a bearing for rotatably supporting the front end of the rotary shaft, a second opening at a position adjacent to a rear end of the rotary shaft and communicating with a back pressure chamber provided in front of a movable scroll member in a housing of the compressor, a communication passage interconnecting the first opening and the second opening, and a throttle formed by a clearance between the first opening and the inner surface of the bearing.

Abstract: An electric compressor includes a compression mechanism, an electric motor for driving the compression mechanism, and a drive circuit for controlling the electric motor. The drive circuit includes an external connector made of an insulating material. The external connector has a connecting terminal that is constructed to be electrically connected to an external power source. The drive circuit further includes a circuit board electrically connected to the connecting terminal and a filter element electrically connected to the circuit board. The drive circuit is accommodated in a metal housing. The filter element is integrally formed with the external connector such that contact of the filter element with the housing is prevented.

Abstract: A motor-driven compressor has a compression mechanism, a rotary shaft, an electric motor, a motor drive circuit, a connecting terminal and a housing assembly. The compression mechanism, the electric motor, and the motor drive circuit are disposed along the axial direction of the rotary shaft in the housing assembly having first through third housings. The first housing is used for mounting the electric motor and the compression mechanism. The second housing has a terminal mounting portion for fixing the connecting terminal. The first and second housings have fastening portions at the radially peripheral portion thereof. The third housing is joined to the second housing to form an accommodation space for accommodating the motor drive circuit. The closed casing is formed by fastening the fastening portions of the first and second housings by means of a first bolt and connecting the second housing to the open end of the first housing.

Abstract: A motor-driven compressor includes a shell, an electric motor, a first conductor electrically connected to an external power source, a second conductor electrically connected to the electric motor, a connector connecting the first conductor and the second conductor and a connector case. The connector case has a first case member, a second case member, a first and a second seal members interposed between the first and the second case members, a hole through which the first conductor is inserted and a third seal member sealing between the first conductor and the connector case. A first main seal of the first seal member and a second main seal of the second seal member cooperate to form a cylindrical seal portion for sealing the second conductor that is inserted through the cylindrical seal portion when the first and the second seal members are joined.

Abstract: A motor-driven compressor has a compression mechanism, a rotary shaft, an electric motor, a motor drive circuit and a housing assembly. The compression mechanism, the electric motor and the motor drive circuit are disposed along the axial direction of the rotary shaft in the housing assembly. The housing assembly has first and second housings. The first housing mounts the electric motor and the compression mechanism. The first housing has first and second mounting lugs formed integrally with the peripheral surface of the first housing. The second housing is joined to the first housing for accommodating the motor drive circuit. The second housing has a third mounting lug formed integrally with the second housing. The first through third mounting lugs are fastened to a mounting object to which the motor-driven compressor is to be mounted by means of fastening members.

Abstract: An electric motor includes a cylindrical stator that is formed with a plurality of slots. The cylindrical stator has polyphase coils that are formed by winding a plurality of conductive wires in the slots to have polyphase, a wire bundle and an insulating tube covering the wire bundle. Each conductive wire includes a core wire and an insulator that covering the core wire. The wire bundle has a drawing portion, a connecting portion and an elongated portion that is elongated between the drawing portion and the connecting portion for increasing creepage distance between the connecting portion and the housing thereby to increase insulation resistance. The connecting portion of the wire bundle provides a neutral point of the electric motor. The elongated portion and the connecting portion of the wire bundle are covered with the insulating tube.

Abstract: A motor-driven compressor includes a compression mechanism for compressing a refrigerant gas, an electric motor, an inverter assembly and an inverter chamber. The electric motor drives the compression mechanism. The inverter assembly converts direct-current power into polyphase alternating-current power to supply to the electric motor and controls a rotational speed of the electric motor. A substrate having an electric circuit and an electronic component connected to the substrate are provided in the inverter assembly. The inverter chamber detachably accommodates the inverter assembly. A vibration damping member is arranged in the inverter assembly.

Abstract: A motor-driven compressor is to be mounted to a first mounting of a vehicle. The compressor includes a compressor body that is electrically powered to draw in fluid for compression and to discharge the compressed fluid, and a second mounting for securing the compressor body to the first mounting. The second mounting includes a first mounting member having a first mounting hole, a second mounting member provided away from the first mounting member and having a second mounting hole, a resin member integrally formed with the first and second mounting members and provided at least between the first mounting member and the compressor body, a first fastening member inserted through the first mounting hole for securing the first mounting member to the first mounting, and a second fastening member inserted through the second mounting hole for securing the second mounting member to the compressor body.

Abstract: A motor-driven compressor is to be mounted to a first mounting of a vehicle. The compressor includes a housing having therein a compression mechanism that is electrically powered to draw fluid into the housing for compression and to discharge the compressed fluid out of the housing, and a second mounting for securing the housing to the first mounting. The second mounting includes a first cylindrical member, a damping member made of a resin and provided between the first cylindrical member and the housing, a first fastening member extending through the first cylindrical member and the damping member for securing the first cylindrical member and the damping member to the housing, and a second fastening member inserted through the first cylindrical member for securing the first cylindrical member to the first mounting.

Abstract: The motor-driven compressor is mounted on a mounting of a vehicle. The motor-driven compressor includes a compressor body, a mounting, a damper and a fastener. The compressor body is electrically powered to draw in fluid for compression and to discharge the compressed fluid. The mounting of the compressor is formed on the compressor body and has a mounting hole. The damper is made of a resin and receives therein the mounting of the compressor. The damper is interposed between the compressor body and the mounting of the vehicle and has a through hole. The fastener is inserted through the through hole of the damper and the mounting hole of the compressor for securing the damper to the mounting of the vehicle.