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.

Date of Patent:
Jun. 06, 2017

Filed:

Feb. 03, 2014
Applicant:

Honda Motor Co., Ltd., Tokyo, JP;

Inventor:

Atsushi Fujikawa, Wako, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 61/00 (2006.01); F16H 57/04 (2010.01); F15B 21/14 (2006.01); F15B 11/024 (2006.01); F15B 15/08 (2006.01);
U.S. Cl.
CPC ...
F16H 61/0025 (2013.01); F15B 11/024 (2013.01); F15B 15/08 (2013.01); F15B 21/14 (2013.01); F16H 57/0434 (2013.01); F16H 61/00 (2013.01); F16H 61/0021 (2013.01); F16H 2061/0037 (2013.01);
Abstract

It is configured to have a first hydraulic pump connected to a drive source, a second hydraulic pump connected to a rotor of the first hydraulic pump, a first regulator valve that regulates pressure of the hydraulic oil discharged from the first hydraulic pump to a third oil passage that connects a discharge port of the first hydraulic pump and a hydraulic actuator, a fourth oil passage that connects the second hydraulic pump and a lubrication system of the hydraulic actuator, a second regulator valve that regulates pressure of the hydraulic oil discharged from the first regulator valve to a pressure lower than a line pressure, and an one-way valve that is installed in a second oil passage connecting the second hydraulic pump and a reservoir and permits supply of hydraulic oil from the reservoir only to the second hydraulic pump.


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