Abstract: One aspect of a pump of the present invention includes a rotor rotatable about a central axis, a stator assembly located radially outside the rotor and surrounding the rotor, a pump unit connected to a first side in an axial direction of the rotor, a support member including a rotor accommodating portion, the rotor accommodating portion being located radially inside the stator assembly and accommodates the rotor therein, and a resin housing in which the stator assembly and the support member are molded. The rotor accommodating portion includes a lid portion that covers the rotor from a second side in the axial direction, and a tubular portion that is located between the rotor and the stator assembly in a radial direction and is open to the first side in the axial direction. The stator assembly includes a stator core having an annular shape, a plurality of coils mounted on the stator core, and a stator cover that covers the plurality of coils.

Abstract: An electric pump includes a motor including a rotor rotatable about an axis extending in an axial direction and a stator, a circuit board on a first side in the axial direction of the motor, a pump mechanism connected to the rotor on a second side in the axial direction of the motor, a housing with a housing space for the motor, the pump mechanism, and the circuit board, and a seal member. The stator includes a coil wire extending to the first side and connected to the circuit board. The seal member includes a first surface facing the motor and a second surface facing the circuit board, a first guide penetrating the seal member in the axial direction, a potting material between the coil wire and the first guide, and a second guide which is on the first surface and in which the first guide is opened.

Abstract: An electric pump includes a motor including a rotor rotatable about an axis extending in an axial direction and a stator with a coil wire, a pump connected to the rotor, a circuit board on a first side in the axial direction of the motor, and a coil guide between the motor and the circuit board. The coil wire extends to the first side in the axial direction and is connected to the circuit board. The coil guide includes a first portion guiding the coil wire along the axial direction, and a second portion which faces the motor and in which the first portion is opened. The second portion is a surface inclined to the first side in the axial direction toward an opening of the first portion. A width of the second portion as viewed from the axial direction decreases toward the opening of the first portion.

Abstract: An electric oil pump includes a motor including a shaft, a pump driven via the shaft, and an inverter assembly located on a rear side of the motor and secured to the motor. The motor includes a rotor, a stator, and a motor housing that houses the rotor and the stator. The pump includes a pump rotor and a pump housing. The motor housing has a bottomed tubular shape that includes a bottom portion on a side of the inverter assembly, and the inverter assembly includes an inverter housing including a circuit board housing that houses a circuit board and a busbar holder. The busbar holder is on a side opposite to a terminal that is electrically connected to the circuit board with respect to the shaft in the circuit board housing.

Abstract: A board surface of a control board is disposed on an outward side of a motor in a radial direction in a posture along an axial direction. A rotation angle sensor is disposed on a rear side of a control board in the axial direction. A power supply input portion on the control board is disposed in an end portion on the rear side in the axial direction. A main body of a motor includes the control board and a wiring assembly electrically connecting a connector and the rotation angle sensor to each other. The wiring assembly includes a power supply input wiring, a sensor wiring, and a wiring holder holding the power supply input wiring and the sensor wiring.

Abstract: An electric oil pump includes a motor part having a shaft; a pump part that is positioned on one side of the motor part and is driven by the motor part via the shaft and discharges oil; and a control part configured to control an operation of the motor part, wherein the motor part includes a rotor, a stator disposed to face the rotor, and a motor housing, wherein the pump part includes a pump rotor and a pump housing having a housing part, wherein the control part includes a plurality of electronic components and a board, the plurality of electronic components include a heat generating component, wherein the motor housing has a cylindrical part and a plurality of heat dissipating fins that extend from the cylindrical part, wherein the board has a first surface and a second surface, and the heat generating component is mounted on the second surface.

Abstract: A rotary electric machine includes a rotor, a stator, a substrate, a bus bar, a housing having a stator housing portion and a substrate housing portion, and a cover member. The substrate housing portion is located radially outside the stator housing portion. The housing has a connection hole connecting the stator housing portion and the substrate housing portion. The bus bar radially passes through the connection hole. The bus bar includes a coil connection portion electrically connected to the coil in the stator housing portion, and a substrate connection portion electrically connected to the substrate in the substrate housing portion. The bus bar is located on one side in the axial direction of the stator. The cover member has an opposing portion located on one side in the axial direction of the bus bar in the stator housing portion, and having an axial positioning portion for the bus bar.

Abstract: A rotary electric machine includes a rotor, a stator having a coil, a substrate electrically connected to the coil, a bus bar assembly having a bus bar electrically connecting the coil and the substrate, and a housing having a stator housing portion accommodating the stator and a substrate housing portion accommodating the substrate. The substrate housing portion is radially outside the stator housing portion. The housing has a connection hole radially connecting the stator housing portion and the substrate housing portion. The bus bar assembly radially passes through the connection hole. The bus bar includes a coil connection portion electrically connected to the coil, and a substrate connection portion electrically connected to the substrate. The bus bar assembly includes a bus bar holder that holds the bus bar, and a fixing member that is held by the bus bar holder and fixed to the housing.

Abstract: An electric pump includes: a motor including a shaft; a pump mechanism coupled to an axial one side of the shaft; a circuit substrate located outward in a radial direction orthogonal to the axial direction of the shaft, and a housing capable of accommodating the motor and the circuit substrate. The circuit substrate includes a plate surface facing the shaft and following the axial direction. The housing includes a motor housing part, a substrate housing part, a pump housing part, and an attachment plate part located outward in a radial direction. The attachment plate part includes an attachment surface facing the shaft and following the axial direction. The motor and the pump mechanism are located on an inner angle side of an angle at which a third surface including the plate surface and a fourth surface including the attachment surface intersect.

Abstract: An electric oil pump includes a motor including a shaft, a pump driven with the shaft therebetween, and an inverter fixed to a rear side of the motor. The motor includes a motor housing. The inverter includes an inverter housing including a circuit board accommodation portion. The inverter housing includes bus bars that connect coil ends inside the circuit board accommodation portion and extending from the motor and a circuit board to each other. The motor housing includes a bottomed cylindrical shape including a bottom portion on the inverter side. The inverter housing includes a fixed portion that is fixed to the bottom portion. The fixed portion is fixed to the bottom portion using fixing members, and the fixing members are disposed within a region surrounded by bus bars.

Abstract: In an electric oil pump, a motor includes a main body including a coil, bus bars electrically connected to lead wires of the coil, and a shaft including a portion on one side in an axial direction protruding from an end of the main body on the one side in the axial direction and connected to a pump, a control board includes a power supply input portion and a power supply output portion and is disposed in a posture in which any one of a first surface and a second surface of the control board lies in the axial direction, the power supply input portion is at an end portion of the control board on the other side in the axial direction, and bus bar terminals are disposed on one side of the main body in the axial direction.

Abstract: An electric oil pump includes a motor part having a shaft; a pump part that is driven by the motor part via the shaft and discharges oil; and a control part configured to control an operation of the motor part. The motor part includes a rotor, a stator, and a motor housing in which the rotor and the stator are accommodated. The pump part includes a pump rotor attached to the shaft and a pump housing having a housing part in which the pump rotor is accommodated. The control part includes an electronic component and a board having a surface on which the electronic component is mounted. The board is disposed outside the stator in a radial direction and within a range of the motor part in the axial direction, and the surface of the board is disposed to face the stator and extends in the axial direction.

Abstract: An electric oil pump includes a motor part having a shaft, a pump part located on a front side of the motor part and driven via the shaft, and a control part controlling the motor part. The motor part includes a rotor, a stator, and a motor housing accommodating the rotor and the stator. The pump part includes a pump rotor mounted on the shaft protruding from the motor part, and a pump housing accommodating the pump rotor. The control part includes a substrate having a surface on which a plurality of electronic components are mounted. The surface of the substrate is disposed to face the cylindrical portion of the motor housing and extends in the axial direction. The substrate has an axial length shorter than an axial length of an assembly of the motor part and the pump part and is disposed within an axial range of the assembly.

Abstract: An electric oil pump includes a motor unit having a shaft centered on a central axis that extends in an axial direction of the shaft and a pump unit which is disposed on a front side of the motor unit, is driven by the motor unit, and discharges oil. The motor unit includes a rotor that is fixed on a rear side of the shaft, a stator that is disposed outside the rotor in a radial direction, a resin housing in which the rotor and the stator are housed, and a connector assembly that is disposed outside the resin housing in the radial direction. The connector assembly is integrally molded with the resin housing. The pump unit includes a pump rotor installed to the shaft that protrudes from the motor unit and a pump housing in which the pump rotor is housed.

Abstract: A pressure detection apparatus includes a base plate including a first surface, a second surface, and an opening, a pressure sensor disposed on the first surface so as to cover the opening of the base plate and outputting an electric signal according to a pressure of measured fluid inside the opening, a lead terminal electrically connected to the pressure sensor, a housing holding the base plate and the lead terminal and including an exposed portion in which a portion of the lead terminal is exposed, and a capacitor protecting the pressure sensor. The housing includes a capacitor housing portion, the capacitor being electrically connected to the lead terminal inside the exposed portion, and a positioning portion that positions, inside the capacitor housing portion, the capacitor that has been mounted in the capacitor housing portion.

Abstract: An electric oil pump includes a motor including a shaft, a pump driven via the shaft, and an inverter assembly located on a rear side of the motor and secured to the motor. The motor includes a rotor, a stator, and a motor housing that houses the rotor and the stator. The pump includes a pump rotor and a pump housing. The motor housing has a bottomed tubular shape that includes a bottom portion on a side of the inverter assembly, and the inverter assembly includes an inverter housing including a circuit board housing that houses a circuit board and a busbar holder. The busbar holder is on a side opposite to a terminal that is electrically connected to the circuit board with respect to the shaft in the circuit board housing.

Abstract: A motor includes a rotor having a shaft centered on a central axis that extends in an axial direction, a stator which is disposed to face the rotor and includes a plurality of coils, a housing in which the rotor and the stator are housed, and a bus bar assembly that is disposed on one side of the shaft in the axial direction, wherein the bus bar assembly includes a plurality of bus bars that are electrically connected to the plurality of coils of the stator and a bus bar holder that holds the plurality of bus bars, and wherein at least one bus bar among the plurality of bus bars is placed on a disposition surface part provided on the bus bar holder and extends in a direction crossing the central axis.

Abstract: An electric oil pump apparatus includes an electric oil pump including a housing main body that accommodates a motor and a pump driven by the motor, a flange portion formed on the housing main body, and a control circuit case for accommodating a control circuit, and a base plate attached to the electric oil pump. The base plate includes an annular main body fixed to the housing main body, and a sealing member located between the annular main body and the housing main body. The annular main body includes a first surface located on one side, a second surface located on the other side, a first through hole for passing the housing main body therethrough, and an annular stepped portion configured to accommodate the sealing member, and formed along an inner edge of the first through hole. The first surface of the base plate is opposed to the flange portion.