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:
Dec. 13, 2011
Filed:
Sep. 12, 2008
Craig D. Marriott, Clawson, MI (US);
Timothy L. Neal, Ortonville, MI (US);
Jeff L. Swain, Flushing, MI (US);
Miguel A. Raimao, Colorado Springs, CO (US);
Craig D. Marriott, Clawson, MI (US);
Timothy L. Neal, Ortonville, MI (US);
Jeff L. Swain, Flushing, MI (US);
Miguel A. Raimao, Colorado Springs, CO (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
An engine assembly may include a cylinder head defining an engine coolant reservoir, a pressurized fluid supply, a valve actuation assembly, and a hydraulic fluid reservoir. The valve actuation assembly may be in fluid communication with the pressurized fluid supply and may include a valve member displaceable by a force applied by the pressurized fluid supply. The hydraulic fluid reservoir may be in fluid communication with the valve actuation assembly and in a heat exchange relation to the engine coolant reservoir.