Honda Motor Co., Ltd.

Sumitomo Wiring Systems, Limited

Akinari Hayashi

Hiroyuki Ozawa

Hiroshi Kunii

Akihiko Takemura

Yusuke Yamamura

Takehiro Endo

A power control unit includes a power module, a support block configured to support the power module, an upper case configured to cover the power module from above, and a connection conductor configured to connect an internal power feeding passage on the side of the power module and an external power feeding passage on the side of the motor unit, wherein the connection conductor vertically passes through the support block and includes a connecting fixing section that protrudes upward than the support block and that is connected to the internal power feeding passage by a fastening member, an inclination wall inclined downward toward a side end portion of the upper wall of the upper case is provided on the upper wall of the upper case, and an opening section facing the connecting fixing section of the connection conductor is provided in the inclination wall.

Power control unit

The present invention provides a connection unit capable of accommodating nuts and showing sealing ability in a state installed on a housing. A connection unit S includes: a terminal blockhaving holes hat one side of for accommodating nuts n; a terminal-connecting portionsat least partially exposed when viewed from the other side and fixed to the terminal blockwith the circumferences of the terminal-connecting portionsin tight contact with the terminal block; and a nut coverfor covering the nuts accommodated in the holes hfor preventing the nuts n from coming off. The connection unit S further includes: guide grooves and guide ribs for restricting movement of the nut coverrelative to the terminal block; and locking hooksand locking holes hfor restricting movement of the nut coverrelative to the terminal block

Connection unit

Growing community of inventors

Saitama, Japan

Akinari Hayashi