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:
Sep. 01, 2020
Filed:
Aug. 06, 2018
Applicant:
Honda Motor Co., Ltd., Minato-ku, Tokyo, JP;
Inventors:
Masamichi Harada, Wako, JP;
Makito Nakasone, Wako, JP;
Assignee:
HONDA MOTOR CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 61/00 (2006.01); F16H 61/662 (2006.01); F16H 61/664 (2006.01); F16H 61/02 (2006.01); F16H 61/14 (2006.01); F16H 57/04 (2010.01);
U.S. Cl.
CPC ...
F16H 61/0025 (2013.01); F16H 61/0009 (2013.01); F16H 61/0031 (2013.01); F16H 61/0213 (2013.01); F16H 61/662 (2013.01); F16H 61/6646 (2013.01); F16H 61/66259 (2013.01); F16H 57/0436 (2013.01); F16H 61/143 (2013.01); F16H 2061/0209 (2013.01);
Abstract
In a hydraulic control device, a state determination unit of a control unit determines whether a second pump is in a boosting operation or in a transition state. If the state determination unit has determined that the second pump is in the boosting operation or in the transition state, a valve-opening detection unit determines whether a check valve is opened. If the valve-opening detection unit has determined that the check valve is opened, a controller stops the second pump or decreases the rotation number of the second pump.