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:
Oct. 26, 2010
Filed:
Oct. 30, 2007
Greg P. Mcconville, Ann Arbor, MI (US);
Yihua S. Barber, Novi, MI (US);
Mark A. Zagata, Livonia, MI (US);
Greg P. McConville, Ann Arbor, MI (US);
Yihua S. Barber, Novi, MI (US);
Mark A. Zagata, Livonia, MI (US);
Ford Global Technologies, Dearborn, MI (US);
Abstract
A cylinder valve operating system for an internal combustion engine includes a camshaft driving a number of intake and exhaust valve operators which may be selectively disabled through the operation of a valving system including a hydraulic phase shifter integrated with the camshaft and connected between a source of high pressure oil and at least the intake valve operators. The hydraulic phase shifter allows one group of valves, such as the exhaust valves, to be disabled before the other group of valves, typically the intake valves.