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:
Sep. 04, 2001
Filed:
Nov. 04, 1999
Applicant:
Inventors:
Brian J. Nelson, Royal Oak, MI (US);
Joseph B. Adams, Northville, MI (US);
Luiz R. Alicke, Ann Arbor, MI (US);
Jason E. Wielenga, Jackson, MI (US);
Assignee:
DaimlerChrysler Corporation, Auburn Hills, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B 1/300 ;
U.S. Cl.
CPC ...
F02B 1/300 ;
Abstract
A method for identifying high driveability index fuel for use in a motor vehicle engine includes the steps of determining an engine rotational speed after the engine has started, measuring an elapsed time required for the engine rotational speed to increase from a predetermined low limit to a predetermined high limit, and identifying high driveability index fuel when the elapsed time is greater than a predetermined time limit.