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:
Nov. 09, 2010
Filed:
Dec. 05, 2007
Brian W. Whitmarsh, Commerce, MI (US);
Todd W. Rooney, Howell, MI (US);
Mark A. Vernacchia, Northville, MI (US);
Joshua E. Lehrmann, Ann Arbor, MI (US);
Wayne B. Vogel, Canton, MI (US);
Brian W. Whitmarsh, Commerce, MI (US);
Todd W. Rooney, Howell, MI (US);
Mark A. Vernacchia, Northville, MI (US);
Joshua E. Lehrmann, Ann Arbor, MI (US);
Wayne B. Vogel, Canton, MI (US);
GM Global Technology Operations, Inc., Detroit, MI (US);
Abstract
A control system for controlling an axle clutch between two half-axles in a motor vehicle is provided. The control system includes two solenoids and a pressure sensor in communication with a controller and a valve assembly. One of the solenoids provides a flow of fluid to engage the axle clutch. The valve assembly cooperates with another of the solenoids to disengage the axle clutch under certain conditions.