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. 27, 2009
Filed:
Oct. 03, 2006
David S. Mathews, Howell, MI (US);
Tameem K. Assaf, Milford, MI (US);
Ronald J. Kubani, Highland, MI (US);
David L. St. Pierre, Mason, MI (US);
Yong Xu, Ann Arbor, MI (US);
David S. Mathews, Howell, MI (US);
Tameem K. Assaf, Milford, MI (US);
Ronald J. Kubani, Highland, MI (US);
David L. St. Pierre, Mason, MI (US);
Yong Xu, Ann Arbor, MI (US);
GM Global Technology Operations, Inc., Detroit, MI (US);
Abstract
An engine system that compensates for disturbances in a crankshaft signal is provided. The system includes: an error module that computes an error between an ideal period and an actual period of a crankshaft signal; a correction factor module that determines a correction factor based on the error; and a compensation module that applies the correction factor to the actual period of the crankshaft signal.