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. 31, 2013
Filed:
Sep. 09, 2011
Applicants:
Keiichi Kai, Isesaki, JP;
Junichi Miyajima, Isesaki, JP;
Noriyuki Kawamata, Wako, JP;
Toshimasa Mitsubori, Wako, JP;
Satoshi Ino, Wako, JP;
Inventors:
Keiichi Kai, Isesaki, JP;
Junichi Miyajima, Isesaki, JP;
Noriyuki Kawamata, Wako, JP;
Toshimasa Mitsubori, Wako, JP;
Satoshi Ino, Wako, JP;
Assignees:
Yamada Manufacturing Co., Ltd., Kiryu-Shi, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 49/00 (2006.01); F04B 23/04 (2006.01); F04B 41/06 (2006.01); F01M 1/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An oil pump unit with a variable flow rate includes lubrication pumps and a control pump that are driven by rotation of a crankshaft of an engine, and changes an oil supply amount from the control pump to each part of the engine, in which the control pump includes a plurality of oil pumps that have different discharge rates.