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. 20, 2022
Filed:
Jul. 02, 2021
Applicant:
Yamada Manufacturing Co., Ltd., Kiryu, JP;
Inventors:
Assignee:
YAMADA MANUFACTURING CO., LTD., Kiryu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04C 2/10 (2006.01); F04C 2/08 (2006.01); F04C 15/00 (2006.01);
U.S. Cl.
CPC ...
F04C 2/102 (2013.01); F04C 2/084 (2013.01); F04C 2/10 (2013.01); F04C 15/00 (2013.01); F04C 15/0026 (2013.01); F04C 2210/206 (2013.01); F04C 2240/30 (2013.01); F04C 2240/60 (2013.01); F05C 2253/20 (2013.01);
Abstract
An oil pump is configured to include a rotor, a drive shaft that drives the rotor to rotate, a rotor chamber in which the rotor is contained, an inlet port and an outlet port each provided in the vicinity of the rotor chamber, and a pump cover. The pump cover is made of a resin. On a portion of an outer surface side of the pump cover corresponding to an inner portion, in which oil circulates, of the pump cover, a rib that has an erecting wall shape is provided.