Abstract: An electric pump device is provided. The electric pump device includes a motor, an inverter substrate electrically connected to the motor, a housing for housing the motor and the inverter substrate, and a pump portion driven by power of the motor. The housing includes a motor housing portion for housing the motor and an inverter housing portion for housing the inverter substrate. The motor housing portion has strut portions which extend inside the inverter housing portion and fixed to the inverter substrate.

Abstract: The disclosure reduces inconvenience for a driver at the time of operating parking locking, thereby curbing cost reduction and space saving becoming difficult due to additional installation of a drive source for parking locking. The disclosure provides a motor driver mounted on a vehicle, including a rotation prevention arm which can move between a position where it is interposed between teeth of a parking gear portion to prevent rotation of a second gear thereby preventing rotation of each gear in a transaxle and a position where it is not interposed between the teeth, and a transmission mechanism which transmits a driving force of a motor shaft of an electric pump for transferring oil in a housing of the transaxle to the rotation prevention arm.

Abstract: A motor, an inverter substrate electrically connected to the motor, a housing accommodating the motor and the inverter substrate, and a pump section driven by the motor are included. The inverter substrate is disposed on one side of the motor. The pump section is disposed on the other side of the motor. The housing has a motor housing section accommodating the motor, an inverter housing section accommodating the inverter substrate, and a breather section establishing communication between inside and outside of the housing. The motor housing section has an accommodation tubular section accommodating the motor and a brim section spreading outward in a radial direction from an end of the accommodation tubular section. The inverter housing section is disposed on one side of the brim section and overlaps the brim section when seen in the axial direction. The breather section is disposed at the brim section.

Abstract: A motor unit includes a motor having a motor shaft disposed along a central axis which extends in an axial direction, and a cooling unit which cools the motor, wherein the cooling unit includes a first suction port configured to suction a first refrigerant which cools the motor, a first discharge port configured to discharge the first refrigerant suctioned from the first suction port, a second suction port configured to suction a second refrigerant which cools the first refrigerant by exchanging heat with the first refrigerant, and a second discharge port configured to discharge the second refrigerant suctioned from the second suction port.

Abstract: Provided is a motor driving unit (1) capable of achieving space saving of a motor room and cost reduction of a vehicle. The motor driving unit (1) includes a motor (10), an inverter (50) that controls driving of the motor (10), and a transaxle (30). The inverter (50) is disposed at a position facing the second gear (32) in the transaxle (30) in a Z-axis direction of the motor (10), and a flow channel of refrigerant arranged inside the inverter (50) is partitioned off from an internal space of the motor (10) by a single barrier.

Abstract: An electric pump device is provided. The device includes a motor, an inverter substrate, a housing for housing the motor and the inverter substrate, and a pump portion driven by power of the motor. The housing has a bearing holding wall portion which is disposed on one side in an axial direction of a stator and disposed on the other side in an axial direction of the inverter substrate to hold at least one of bearings; the bearing holding wall has recesses which are recessed from a surface of the bearing holding wall facing the one side in the axial direction toward the other side in the axial direction; the inverter substrate has an electronic component protruding toward the other side in the axial direction from a plate surface of the inverter substrate facing the other side in the axial direction; and the electronic component is inserted into the recesses.

Abstract: An electric actuator includes a motor, a speed reduction mechanism, a first bearing, and a bearing holder. The speed reduction mechanism has external and internal gears, an output flange that is positioned at one side in an axial direction from the external gear, and a plurality of projecting portions that project in the axial direction from one of the output flange and the external gear toward the other. The plurality of projecting portions are inserted into a plurality of first bore portions disposed along a circumferential direction, respectively. The bearing holder has a cylindrical circumferential wall positioned at an outer side in a radial direction of the first bearing and a support wall supporting the first bearing from the other side in the axial direction. A position adjustment mechanism configured to be capable of moving the support wall in the axial direction is arranged in the bearing holder.

Abstract: One aspect of the motor unit of the disclosure includes a motor, an inverter substrate electrically connected to the motor, a housing configured to accommodate the motor and the inverter substrate, a terminal located at an end portion of a wiring member which extends over an outside and an inside of the housing, and inserted into a terminal insertion hole which passes through the inverter substrate, a screw member inserted into a screw insertion hole which passes through the inverter substrate and configured to fix the inverter substrate to the housing or the motor, and a substrate positioning structure configured to position the inverter substrate with respect to the housing.

Abstract: An inverter substrate has a plurality of heat generating elements mounted thereon and disposed at intervals from each other. A housing has an inverter housing section that accommodates the inverter substrate. The inverter housing section has a first member that faces one plate surface of a pair of plate surfaces of the inverter substrate, a second member that faces the other plate surface of the pair of plate surfaces, and a plurality of heat conductive sheets that are disposed between the first member or the second member and the inverter substrate and are brought into contact with the first member or the second member and the inverter substrate. The heat conductive sheets are thermally connected to the heat generating elements. The heat conductive sheets are individually disposed at positions at which the heat conductive sheets overlap the plurality of heat generating elements in a plan view of the inverter substrate.

Abstract: A small-sized motor unit capable of cooling an inverter that drives a motor is provided. The motor unit includes: a motor that has a motor shaft disposed along a central axis that extends in an axial direction; a motor driving inverter that drives the motor; a first pump that is attached to the motor and supplies a first refrigerant for cooling the motor to the motor; and a second pump that is attached to the motor driving inverter and supplies a second refrigerant for cooling the motor driving inverter to the motor driving inverter.

Abstract: Provided is an electric valve device which is capable of improving the accuracy of detecting whether there is a gas leakage from a blow-by gas passage and capable of detecting detachment of the electric valve device from a pipe of a fresh air passage. The electric valve device includes an inflow side pipe portion, an outflow side pipe portion, a barrier which partitions off the inflow side pipe portion from the outflow side pipe portion, a valve body which opens and closes an opening arranged on the barrier by moving in the axial direction, and a solenoid which drives the valve body. The inflow side pipe portion includes a bypass path which communicates with the outflow side pipe portion through a second opening separately from a passage which communicates with the outflow side pipe portion through a first opening used as the opening.

Abstract: The sensor unit (40) includes a case (41) having a bottom surface (41a); a sensor element (42) including a sensor element main body (421) and a power supply terminal (42a); and a power supply bus bar (44) including an inclined part (44d). An end on one side of the power supply terminal (42a) is electrically connected to the sensor element main body (421). The case (41) further includes a terminal passage part (412a). In a state where the power supply terminal (42a) passes through the terminal passage part (412a), an end on the other side of the power supply terminal (42a) is in contact with the inclined part (44d) and the terminal passage part (412a) is in contact with a side surface of the power supply terminal (42a), so that movement of the power supply terminal (42a) in a direction away from the bottom surface (41a) is restricted.

Abstract: An electric actuator includes a motor portion, a circuit board, a speed reduction mechanism, a busbar holder that holds a busbar, and a housing. The housing has a motor case and a compartmental wall. The compartmental wall has a through-hole which penetrates the compartmental wall in an axial direction. The busbar holder has a base portion and a projecting portion which projects from the base portion in the axial direction and is disposed in the through-hole. An end portion of the busbar at one side projects from the busbar holder toward one side in the axial direction and is connected to the circuit board, and an end portion of the busbar at the other side projects into the through-hole from a side surface of the projecting portion of the busbar holder and is connected to a coil of a stator.

Abstract: In one aspect of an electric actuator, a motor shaft has an eccentric shaft portion. A speed reducing mechanism has an externally toothed gear coupled to the eccentric shaft portion, an internally toothed gear engaged with the externally toothed gear, an output flange portion located on one side in an axial direction of the externally toothed gear, and a plurality of pillar members having pillar member bodies. The output flange portion has a plurality of through holes disposed along the peripheral direction. The pillar member bodies are inserted into the through holes, and support the externally toothed gear so that the externally toothed gear is capable of swinging around a central axis. The pillar member has a convex portion arranged on an outer peripheral surface of a part of the pillar member body. The convex portion is disposed facing one side peripheral in the axial direction of the edge portion.

Abstract: An electromagnetic valve capable of suppressing excessive flow of a fluid inside an input side pipe portion to an output side pipe portion at the time of valve opening is provided. A valve body of an electromagnetic valve includes a front end portion which is arranged on one side of an axial direction with respect to a barrier and has a diameter larger than the diameter of a through hole, and a valve shaft portion which penetrates through the through hole and extends from the front end portion to another side of the axial direction; a plunger of a solenoid is directly or indirectly connected to the valve shaft portion.

Abstract: There is provided an electric actuator including: a motor that has a motor shaft, a speed reduction mechanism, an output portion that has an output shaft portion, a rotation detection device, and a first bearing. The output shaft portion extends in an axial direction and is disposed on one side in the axial direction of the motor shaft. The output portion has a first recessed portion recessed from the other side to the one side in the axial direction. An end portion of the motor shaft on the one side in the axial direction is accommodated in the first recessed portion. The first bearing is fixed to an inside surface of the first recessed portion in a radial direction. At least a portion of the rotation detection device is disposed at a position overlapping the first recessed portion in the radial direction.

Abstract: A sensor attachment structure of an oil pressure sensor suitable for use as a control valve of an automobile transmission includes a sensor case inserted into an accommodation space of a valve upper body portion such that a body portion of the sensor case is capable of rotating about a vertical central axis. A stopper projects in a horizontal direction from the body portion, the stopper being movable vertically in a guide groove of the accommodation space, and rotatable relative to a restricting portion of the upper body to restrict a vertical movement of the stopper to prevent the oil pressure sensor from falling off the upper body in an operation stage before the oil pressure sensor is fixed in a built-in manner between the upper and lower bodies of the control valve.

Abstract: A sensor mounting may include an accommodation unit; a sensor case; and a screw member. A flow passage body may include the accommodation unit, and a flow passage opening. The fluid pressure sensor may include a sensor main body, and the sensor case. The sensor case may include a sensing hole. The sensor case may include a columnar portion disposed along a center axis, and a flange portion which protrudes from the columnar portion. The accommodation unit may include a female screw provided in a radially inside surface of the accommodation unit. The screw member may include the screw member may include a hole portion, and a male screw. The screw member may be disposed to be opposed to an upper side of the flange portion.

Abstract: The disclosure provides a pressure control device that improves the workability in assembling a body and a filter unit. The pressure control device includes a body and a filter unit. The body has a flow path that includes a groove and a widened part. The widened part is connected to the groove, extends to a bottom of the groove, and has a width larger than a width of the groove. The filter unit is housed along a depth direction of the widened part to capture foreign matter mixed in a fluid that passes through the flow path. The filter unit includes a cylindrical frame and a flat plate-shaped filter member, wherein the frame includes a through hole part that penetrates in a direction orthogonal to a central axis, and the filter member is disposed to block the through hole part.

Abstract: An electric actuator includes: a motor unit having a motor shaft extending in an axial direction; a deceleration mechanism that is coupled to the motor shaft; an output unit having an output shaft to which rotation of the motor shaft is transmitted via the deceleration mechanism; and a control unit that drives the motor unit based on an output-shaft rotating command which is input from a host device. The control unit includes a motor rotational-angle determination unit that determines a rotational angle of the motor shaft based on the output-shaft rotating command, the rotational angle being necessary for rotating the output shaft from a rotation starting position to a rotation ending position, and a motor driving unit that rotates the motor shaft by the rotational angle determined by the motor rotational-angle determination unit.