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:
Jul. 05, 2016
Filed:
Sep. 13, 2013
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventor:
Joel H. Gunderson, Canton, MI (US);
Assignee:
GM Global Technology Operations, LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 61/02 (2006.01); F16H 61/686 (2006.01);
U.S. Cl.
CPC ...
F16H 61/0267 (2013.01); F16H 61/0251 (2013.01); F16H 61/686 (2013.01); F16H 2061/0253 (2013.01); Y10T 74/20024 (2015.01);
Abstract
A hydraulic control system for a clutch of a transmission having a plurality of torque transmitting mechanisms and includes a source of pressurized hydraulic fluid, a clutch pressure regulating valve, a clutch pump valve, a first and a second fluid flow check valve, a pressure valve, a first torque transmitting mechanism actuation device, and a pressure control solenoid.