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:
Jan. 23, 2001
Filed:
Sep. 23, 1999
Brian E. Beechie, Farmington Hills, MI (US);
Gregory L. Ohl, Ann Arbor, MI (US);
Michael J. Prucka, Lake Orion, MI (US);
James W. Yip, Pinckney, MI (US);
DaimlerChrysler Corporation, Auburn Hills, MI (US);
Abstract
A method for stabilizing the idle of an engine for a motor vehicle includes determining an engine rotational speed, modifying the engine rotational speed to define a friction engine speed, estimating a mechanical friction loss as a function of the friction engine speed, defining a torque request as a function of the mechanical friction loss and utilizing the torque request to control the engine at idle.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile