US Patent No. 10,461,656

POWER CONVERSION DEVICE HAVING A COVER THAT COVERS DC POSITIVE AND NEGATIVE TERMINALS


Patent No. 10,461,656
Issue Date October 29, 2019
Title Power Conversion Device Having A Cover That Covers Dc Positive And Negative Terminals
Inventorship Yutaka Okubo, Hitachinaka (JP)
Kaname Sasaki, Hitachinaka (JP)
Satoru Shigeta, Hitachinaka (JP)
Kenichirou Nakajima, Hitachinaka (JP)
Assignee Hitachi Automotive Systems, Ltd., Hitachinaka-shi (JP)

Claim of US Patent No. 10,461,656

1. A power conversion device, comprising: a power semiconductor module that converts a DC current into an AC current and includes a DC positive terminal and a DC negative terminal; a cover portion that includes a first insulating portion, the first insulating portion being disposed with respect to another conductor that approaches each of the DC positive terminal and the DC negative terminal, wherein the cover portion holds a metal member that covers the DC positive terminal and the DC negative terminal; and a driver circuit board in which a drive circuit is mounted to drive the power semiconductor module, wherein the driver circuit hoard is disposed at a position to face the power semiconductor module with the cover portion interposed there between, the driver circuit board includes a circuit element mounted in a surface on a side where the cover portion is disposed.