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. 27, 2021
Filed:
Apr. 13, 2018
Kabushiki Kaisha Toyota Jidoshokki, Aichi-ken, JP;
Makio Oshita, Aichi-ken, JP;
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, Aichi-ken, JP;
Abstract
An electric supercharger includes a housing, a rotary shaft rotatably supported in the housing via a rolling bearing, an impeller, and an electric motor. The electric motor including a cylindrical stator around which a coil is wound. The stator having a stator core and coil ends. The rolling bearing has an inner ring, an outer ring, and a rolling element. The housing has an oil supply portion. The oil supply portion has attached thereto an oil supply member. The oil supply member has a supply passage and an injection hole. The housing has therethrough oil supply holes communicating with the oil supply portion and disposed so as to overlap with the coil ends.