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. 05, 2022
Filed:
Mar. 07, 2018
Hitachi Automotive Systems, Ltd., Hitachinaka, JP;
Hideyuki Hara, Isesaki, JP;
Haruaki Motoda, Isesaki, JP;
Kazuhiko Nakano, Isesaki, JP;
Katsumasa Hagiwara, Isesaki, JP;
Tetsuro Tateyama, Isesaki, JP;
HITACHI ASTEMO, LTD., Hitachinaka, JP;
Abstract
The device has motor housing side annular engagement portionformed at outer circumferential surface of end surface portion of motor housingwhich is opposite side to output shaft portion of rotation shaft of electric motor; and metal cover side annular engagement portionformed at opening endof metal coverthat covers electronic control unit and engaged with motor housing side annular engagement portion. Fixing region is formed by fixing metal cover side annular engagement portionto motor housing side annular engagement portionin a fixing manner without using any fixing screw in a state in which metal cover side annular engagement portionis engaged with motor housing side annular engagement portion. Sealing region is formed between fixing region and opening endof the metal coverwith liquid sealantapplied between fixing region and opening end