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. 17, 2009
Filed:
May. 07, 2007
Gopichandra Surnilla, West Bloomfield, MI (US);
AL Henry Berger, Brownstown, MI (US);
Wan Joe Chen, Ann Arbor, MI (US);
Christopher House, Belleville, MI (US);
Gopichandra Surnilla, West Bloomfield, MI (US);
Al Henry Berger, Brownstown, MI (US);
Wan Joe Chen, Ann Arbor, MI (US);
Christopher House, Belleville, MI (US);
Ford Global Technologies, LLC, Dearborn, MI (US);
Abstract
A method of operating an internal combustion engine having a plurality of cylinders including at least a first cylinder and a second cylinder, the method comprising firing the first cylinder and the second cylinder in an alternating sequence; during a first mode, adjusting an operating parameter of the engine to produce a first difference between an amount of torque produced by the firing of the first cylinder and an amount of torque produced by the firing of the second cylinder; during a second mode, adjusting the operating parameter of the engine to produce a second difference between an amount of torque produced by the firing of the first cylinder and an amount of torque produced by the firing of the second cylinder; and performing the first mode at a higher engine speed than the second mode; wherein the first difference is greater than the second difference.