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. 12, 2017
Filed:
Dec. 24, 2014
Applicant:
Aisin Aw Co., Ltd., Anjo-shi, Aichi-ken, JP;
Inventors:
Shinya Ichikawa, Anjo, JP;
Masamichi Yamaguchi, Anjo, JP;
Yoshimitsu Hyodo, Nishio, JP;
Koji Makino, Okazaki, JP;
Kenichi Tsuchida, Nishio, JP;
Assignee:
AISIN AW CO., LTD., Anjo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 61/12 (2010.01); F16H 3/66 (2006.01); F16H 61/686 (2006.01); F16H 61/02 (2006.01);
U.S. Cl.
CPC ...
F16H 61/12 (2013.01); F16H 3/666 (2013.01); F16H 61/686 (2013.01); F16H 2061/0209 (2013.01); F16H 2061/1252 (2013.01); F16H 2061/1264 (2013.01); F16H 2200/0069 (2013.01); F16H 2200/201 (2013.01); F16H 2200/2046 (2013.01);
Abstract
A hydraulic control device that includes a normally closed first solenoid valve, a first check valve, a failsafe valve, and a second check valve, wherein the first movable member of the first check valve is biased to cut off the communication between the first input port and the first drain port in case of the failure in which no current is applied to the first solenoid valve.