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:
Aug. 21, 2012
Filed:
May. 05, 2009
Michael G. Reynolds, Troy, MI (US);
Bryan K. Pryor, Farmington, MI (US);
William C. Albertson, Clinton Township, MI (US);
Mike M. Mcdonald, Macomb, MI (US);
Michael G. Reynolds, Troy, MI (US);
Bryan K. Pryor, Farmington, MI (US);
William C. Albertson, Clinton Township, MI (US);
Mike M. McDonald, Macomb, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
An engine having a fluid lubrication and control system is provided. The engine also includes a pump configured to maintain fluid pressure in the lubrication and control system when the engine is running. The engine additionally includes an accumulator in fluid communication with the lubrication and control system. The accumulator is configured to accumulate and retain fluid when the engine is running, and to discharge the fluid when the engine is not running in order to maintain fluid pressure in the lubrication and control system. A method for controlling oil pressure in the engine is also provided.