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:
Jul. 28, 2026
Filed:
Feb. 05, 2021
Hitachi Astemo, Ltd., Hitachinaka, JP;
Keiji Hamada, Hitachinaka, JP;
HITACHI ASTEMO, LTD., Hitachinaka, JP;
Abstract
An electric drive device of the present invention has: a connector assemblyhaving external terminal forming portionB,S; a metal coveraccommodating connector assemblywith external terminal forming portionB,S exposed; an annular seal portionhaving an annular seal groovein which metal coverand connector assemblyare sealed; and a plurality of fixing boltsfixing connector assemblyto a housing. Annular seal grooveis formed in region that connects two fixing boltsin a straight line. Since annular seal grooveis formed in the straight region connecting the two fixing bolts, warp of region where annular seal portionis formed is corrected by the fixing bolts, thereby securing good sealing performance between annular seal portionof connector assemblyand an annular protruding edge portionP of metal cover