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:
Jun. 07, 2016
Filed:
Jun. 23, 2011
Chunhao J. Lee, Troy, MI (US);
Farzad Samie, Franklin, MI (US);
Chi-kuan Kao, Troy, MI (US);
Kumaraswamy V. Hebbale, Troy, MI (US);
Dongxu LI, Warren, MI (US);
Andrew L. Bartos, Clarkston, MI (US);
Kevin B. Rober, Washington, MI (US);
Chunhao J. Lee, Troy, MI (US);
Farzad Samie, Franklin, MI (US);
Chi-Kuan Kao, Troy, MI (US);
Kumaraswamy V. Hebbale, Troy, MI (US);
Dongxu Li, Warren, MI (US);
Andrew L. Bartos, Clarkston, MI (US);
Kevin B. Rober, Washington, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
A powertrain system in a hybrid vehicle includes a hydraulic device, a pilot valve, and a regulator valve. The pilot valve is operably connected to the hydraulic device and configured to actuate. The pilot valve includes at least one micro-electro-mechanical systems (MEMS) based device. The regulator valve is operably connected to the pilot valve and the hydraulic device. The regulator valve is configured to direct fluid to the hydraulic device based on the actuation of the pilot valve.