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:
Mar. 25, 2008
Filed:
Jan. 12, 2006
Jon Caine, South Woodham Ferrers, GB;
Themi Philemon Petridis, London, GB;
Martin Wirth, Remscheid, DE;
Wilfried Kaulen, Weilerswist, DE;
Jon Caine, South Woodham Ferrers, GB;
Themi Philemon Petridis, London, GB;
Martin Wirth, Remscheid, DE;
Wilfried Kaulen, Weilerswist, DE;
Ford Global Technologies, LLC, Dearborn, MI (US);
Abstract
A method for operating an engine of a vehicle, the engine having a cylinder with at least a first and second valve, the method comprising during a first mode, operating with the first valve active and the second valve deactivated during a cycle of the cylinder, where during said first mode, the cylinder operates to allow at least air to enter the cylinder during an intake stroke, where the air is mixed with fuel and compressed to attain auto-ignition; and during a second mode, operating with the first and second valves active during a cycle of the cylinder, where during said second mode, cylinder operates to allow at least air to enter the cylinder, where the air is mixed with fuel and ignited via a spark from an ignition plug.