The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 03, 2025
Filed:
Dec. 10, 2020
Hitachi Astemo, Ltd., Hitachinaka, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Akihiro Goto, Hitachinaka, JP;
Keiichi Tadokoro, Hitachinaka, JP;
Morio Kuwano, Hitachinaka, JP;
Masaru Kamoshida, Hitachinaka, JP;
Fusanori Nishikimi, Hitachinaka, JP;
Tomoyuki Suzuki, Wako, JP;
HITACHI ASTEMO, LTD., Hitachinaka, JP;
HONDA MOTOR CO., LTD., Tokyo, JP;
Abstract
An electric circuit device includes: a first electric component; a first case that accommodates the first electric component and has a cooling channel for cooling the first electric component and a discharge port of the cooling channel; a second case that accommodates a second electric component and has a communication channel that communicates with a discharge port of the cooling channel; a first seal portion that is provided in a peripheral edge part of a discharge port of the cooling channel and seals the first case and the first electric component; a second seal portion that is provided outside the first seal portion with respect to a discharge port of the cooling channel and seals the first case and the first electric component; a through hole that is provided in the first case between the first seal portion and the second seal portion of and penetrates the first case from the first electric component side to the second case side; and a wall that is provided on one of the first case and the second case to surround a periphery of a discharge port of the cooling channel, and the through hole is provided outside the wall.