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:
Dec. 21, 2021
Filed:
Sep. 21, 2016
Applicant:
Ntn Corporation, Osaka, JP;
Inventors:
Masahiro Kawai, Shizuoka, JP;
Takahide Saito, Shizuoka, JP;
Assignee:
NTN CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04C 15/00 (2006.01); F04C 2/344 (2006.01); F04C 29/00 (2006.01);
U.S. Cl.
CPC ...
F04C 15/0061 (2013.01); F04C 2/344 (2013.01); F04C 15/00 (2013.01); F04C 29/005 (2013.01);
Abstract
An oil pump includes a hollow rotor having an inner peripheral portion defining a space inside of the inner peripheral portion. A first one-way clutch configured to transmit the motive power input from an engine side, to the rotor only in one direction, and a second one-way clutch configured to transmit the motive power input from an electric motor side, to the rotor only in the one direction are arranged inside of the inner peripheral portion of the rotor.