Abstract: The vehicle body disclosed herein includes an electrical component disposed at a rear portion of the vehicle body, a base bracket that covers a lower portion of the electrical component, and a cover that is attached to the base bracket and covers an upper portion of the electrical component. The cover has a cover upper wall located above the electrical component and a pair of cover side walls extending from the cover upper wall to the base bracket on both sides of the electrical component in the left-right direction, and the rear of the electrical component has an open shape. The base bracket has a protective wall extending upwardly at the rear of the electrical component. The height of the protective wall relative to the base bracket is smaller than the height of the cover upper wall relative to the base bracket.

Abstract: A cooling unit has a member-to-be-cooled, a duct, and a cushioning material. The member-to-be-cooled has a plurality of cooling fins. The duct is fixed to the member-to-be-cooled, has a partition wall facing the plurality of cooling fins, and conveys a fluid to around the plurality of cooling fins. The cushioning material is disposed between the partition wall and the plurality of cooling fins and fixed to the partition wall.

Abstract: A bus bar structure includes a bus bar disposed to extend along an outer surface of a housing of an electrical device; and a non-conductive lower cover provided to extend along the bus bar to cover a first surface of the bus bar, the first surface facing the outer surface. The lower cover includes a first hole portion that allows insertion of a fixing member configured to fix the lower cover at a first position on the outer surface, the first hole portion having a major axis extending along a first direction of the housing. The bus bar includes a second hole portion that allows insertion of a connection member configured to electrically connect the bus bar to a terminal at a second position on the outer surface, the second hole portion having a major axis extending along a second direction that intersects the first direction.

Abstract: A reactor unit is equipped with a reactor and a cooler. A coolant flows through an interior of the cooler. The cooler cools the reactor through radiation of heat to the coolant. The reactor is mounted on an upper surface of an upper plate of the cooler. A lower surface of the reactor faces the upper plate of the cooler. An upper surface of the reactor is covered with a metal plate. The metal plate is thermally in contact with the upper surface of the upper plate of the cooler.

Abstract: A cooling unit has a member-to-be-cooled, a duct, and a cushioning material. The member-to-be-cooled has a plurality of cooling fins. The duct is fixed to the member-to-be-cooled, has a partition wall facing the plurality of cooling fins, and conveys a fluid to around the plurality of cooling fins. The cushioning material is disposed between the partition wall and the plurality of cooling fins and fixed to the partition wall.

Abstract: An electrical device may be provided with: a housing having a side surface; and a connector opening provided on the side surface of the housing and to which a connector is connected. The side surface includes a groove surrounding the connector opening, the connector includes a ring-shaped rib fitted into the groove, the connector has an upper surface and a lower surface that are inclined as viewed along a normal direction of the side surface, and a lower end of the lower surface includes a step protruding downward, the side surface includes a drain hole at a position below the step, and the drain hole communicates inside of the groove and underside of the groove.

Abstract: A power control unit is located inside a housing chamber of a driving unit of a vehicle, and the power control unit includes a casing housing a power conversion device. The casing includes casing segments, and fastening parts are located around the casing segments. The casing segments are fastened to each other with bolts at the fastening parts, and the fastening parts include a specific fastening part on which a shear load concentrates when a load is input into the casing, and an ordinary fastening part other than the specific fastening part. The specific fastening part has an induction portion inducing plastic deformation, which is configured to lower an elastic limit of the specific fastening part when the load is input into the casing, such that the specific fastening part undergoes plastic deformation earlier than the ordinary fastening part.

Abstract: An electrical device may be provided with: a housing having a side surface; and a connector opening provided on the side surface of the housing and to which a connector is connected. The side surface includes a groove surrounding the connector opening, the connector includes a ring-shaped rib fitted into the groove, the connector has an upper surface and a lower surface that are inclined as viewed along a normal direction of the side surface, and a lower end of the lower surface includes a step protruding downward, the side surface includes a drain hole at a position below the step, and the drain hole communicates inside of the groove and underside of the groove.

Abstract: A power control unit is located inside a housing chamber of a driving unit of a vehicle, and the power control unit includes a casing housing a power conversion device. The casing includes casing segments, and fastening parts are located around the casing segments. The casing segments are fastened to each other with bolts at the fastening parts, and the fastening parts include a specific fastening part on which a shear load concentrates when a load is input into the casing, and an ordinary fastening part other than the specific fastening part. The specific fastening part has an induction portion inducing plastic deformation, which is configured to lower an elastic limit of the specific fastening part when the load is input into the casing, such that the specific fastening part undergoes plastic deformation earlier than the ordinary fastening part.

Abstract: A unit is equipped with a main battery, a pair of third wires that are connected to the main battery, a system main relay that is arranged on the third wires, a pair of fourth wires that is connected to the third wires between the system main relays and the main battery to the converter, a converter that is connected to the fourth wires, a case for accommodation, a main connector that connects the wire to a pair of first wires outside the case, and a sub-connector that connects the converter to a pair of second wires outside the case.

Abstract: A vehicle includes: an inverter; a high-voltage connector and a low-voltage connector that are connected to the inverter; and a wire harness arranged at the rear of the inverter. The high-voltage connector includes fixing members that fix the high-voltage connector to the inverter, and the fixing members have release portions. The low-voltage connector includes an extended section, and the extended section extends toward the wire harness and covers the release portions. An upper surface of the extended section declines rearward, and an upper surface rear end of the extended section is located below a center in a cross section of the wire harness.

Abstract: A unit is equipped with a main battery, a pair of third wires that are connected to the main battery, a system main relay that is arranged on the third wires, a pair of fourth wires that is connected to the third wires between the system main relays and the main battery to the converter, a converter that is connected to the fourth wires, a case for accommodation, a main connector that connects the wire to a pair of first wires outside the case, and a sub-connector that connects the converter to a pair of second wires outside the case.

Abstract: A vehicle includes a motor accommodated in a housing and a power control unit. The power control unit is supported by a front bracket and a rear bracket and fixed above the housing. The rear bracket has a base section, a support section and ribs. The ribs are arranged on both sides of the support section in a vehicle width direction, and each of the ribs has a fragile section. The fragile section is configured to yield first in each of the ribs at a time when the power control unit receives a collision load from a vehicle front direction.

Abstract: A vehicle includes a motor accommodated in a housing and a power control unit. The power control unit is supported by a front bracket and a rear bracket and fixed above the housing. The rear bracket has a base section, a support section and ribs. The ribs are arranged on both sides of the support section in a vehicle width direction, and each of the ribs has a fragile section. The fragile section is configured to yield first in each of the ribs at a time when the power control unit receives a collision load from a vehicle front direction.

Abstract: A vehicle includes: an inverter; a high-voltage connector and a low-voltage connector that are connected to the inverter; and a wire harness arranged at the rear of the inverter. The high-voltage connector includes fixing members that fix the high-voltage connector to the inverter, and the fixing members have release portions. The low-voltage connector includes an extended section, and the extended section extends toward the wire harness and covers the release portions. An upper surface of the extended section declines rearward, and an upper surface rear end of the extended section is located below a center in a cross section of the wire harness.

Abstract: A PCU is placed directly on an on-vehicle transaxle (100). A fastening structure for fastening a control board (34) to a PCU case (12) includes a nut (18) that is disposed on an inner surface of the PCU case (12) and in which a female screw (20) is provided; a bolt (22) that is disposed in a fixing hole (40) provided in the control board (34) and is screwed with the nut (18); and a washer (30) that is made of a viscoelastic material, intervenes between a head (25) of the bolt (22) and the control board (34), wherein the bolt (22) includes a male screw section (28) screwed to the female screw (20), an intermediate section (26), and a head (25).

Abstract: A power control unit is mounted on a hybrid vehicle, and controls the electric power used for driving the vehicle. The power control unit includes a PCU case having a top cover where an opening is formed, a terminal block placed in the PCU case, and arranged opposite to the opening, and a substrate placed in the PCU case, and on which an electronic component is mounted. The terminal block includes a wall. The wall is arranged between the substrate and opening, and extends towards the top cover at a circumference of the aperture of the opening. By such a configuration, there is provided a power control unit having an intrusion of a foreign object suppressed while accomplishing reduction in size and cost.

Abstract: A power control unit is mounted on a vehicle, and controls the electric power for vehicle-running. The power control unit includes: a PCU case having a lid where an opening is formed; a terminal block having a connector retain hole for retaining an interlock connector formed, and arranged at the PCU case, facing the opening; and a substrate stored in the PCU case, and on which an electronic component is mounted. The substrate is arranged at the side opposite to the lid relative to the terminal block, and deviated from the position facing an aperture of the connector retain hole. The power control unit includes a wall provided integrally with the terminal block, and arranged between the substrate and the connector retain hole. By such a configuration, there is provided a power control unit having an intrusion of a foreign object suppressed while aiming to reduce the size and cost.

Abstract: Provided is a casing cover able to conform to the dimensional tolerance in a difference between levels of the casing. The casing cover has an upper level cover which covers two openings in the upper level of the casing and a lower level cover which covers an opening in a lower level of the casing. Furthermore, among the upper level cover and the lower level cover: one is formed with an insertion opening passing therethrough in the direction of the height of the difference in levels; and the other is provided with a guide fitting formed to a length in the direction of the height of the difference in levels, which is longer than the maximum allowable dimension of the height of the difference between levels plus a value, and inserted into the insertion opening. In addition, for purposes of preventing the guide fitting, which connects the upper level cover and the lower level cover, from slipping out of the insertion opening, a connection fitting is provided.

Abstract: A power control unit is mounted on a vehicle, and controls the electric power for vehicle-running. The power control unit includes: a PCU case having a lid where an opening is formed; a terminal block having a connector retain hole for retaining an interlock connector formed, and arranged at the PCU case, facing the opening; and a substrate stored in the PCU case, and on which an electronic component is mounted. The substrate is arranged at the side opposite to the lid relative to the terminal block, and deviated from the position facing an aperture of the connector retain hole. The power control unit includes a wall provided integrally with the terminal block, and arranged between the substrate and the connector retain hole. By such a configuration, there is provided a power control unit having an intrusion of a foreign object suppressed while aiming to reduce the size and cost.