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:
May. 12, 2009
Filed:
Aug. 08, 2005
Thomas Megli, Dearborn, MI (US);
Alex Gibson, Ann Arbor, MI (US);
John O. Michelini, Sterling Heights, MI (US);
Nate Trask, Dearborn, MI (US);
Ilya V. Kolmanovsky, Farmington Hills, MI (US);
Davor Hrovat, Ann Arbor, MI (US);
Thomas Megli, Dearborn, MI (US);
Alex Gibson, Ann Arbor, MI (US);
John O. Michelini, Sterling Heights, MI (US);
Nate Trask, Dearborn, MI (US);
Ilya V. Kolmanovsky, Farmington Hills, MI (US);
Davor Hrovat, Ann Arbor, MI (US);
Ford Global Technologies, LLC, Dearborn, MI (US);
Abstract
A system and method for controlling operation of cylinder with at least an intake and exhaust valve and a piston are described. In one aspect, the method comprises maintaining at least one of the intake and exhaust valves in a closed position during a period. Further, closing the other of the intake and exhaust valves with the piston at a first position from, and then opening the other of the intake and exhaust valves at a second position of the piston closer to bottom center than said first position, during said period.