logo

For the Inventor, By the Inventor

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.:

US 9383009 B1

PDFFull Text
Expired
Date of Patent:
Jul. 05, 2016

Filed:

Oct. 28, 2015

Methodology for controlling a hydraulic control system of a continuously variable transmission

Applicant:

GM Global Technology Operations Llc, Detroit, MI (US);

Inventors:

Philip C. Lundberg, Keego Harbor, MI (US);

Carlos E. Marin, Oxford, MI (US);

Assignee:

GM Global Technology Operations, LLC, Detroit, MI (US);

Attorney:
Primary Examiner:

David J Hlavka

Int. Cl.
CPC ...
G06F 7/00 (2006.01); F16H 61/662 (2006.01); F16H 61/00 (2006.01); F16H 61/14 (2006.01); F16H 9/18 (2006.01);
U.S. Cl.
CPC ...
F16H 61/66272 (2013.01); F16H 9/18 (2013.01); F16H 61/0025 (2013.01); F16H 61/0031 (2013.01); F16H 61/14 (2013.01); F16H 61/66254 (2013.01); F16H 2061/0034 (2013.01); F16H 2312/14 (2013.01);
Abstract

A hydraulic control system for a CVT may include a pressure regulator subsystem, a ratio control subsystem, a torque converter control (TCC) subsystem, a clutch control subsystem, and is enabled for automatic engine start/stop (ESS) functionality. A system and method are provided for performing an engine auto-stop in a vehicle having a CVT transmission and using an accumulator to fill the pulleys and clutches of the CVT, at least in part, during engine restart.

Find Patent Forward Citations

Lundberg, Philip. (2016). Methodology for controlling a hydraulic control system of a continuously variable transmission (U.S. Patent No. 9383009). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9383009

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…