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:
Jun. 14, 1988
Filed:
Aug. 29, 1986
Applicant:
Inventors:
William S Bowers, Grand Blanc, MI (US);
Daniel J Richardson, Grand Blanc, MI (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02D / ; F02D / ; F02D / ;
U.S. Cl.
CPC ...
74873 ; 123478 ; 123480 ; 123486 ;
Abstract
The air/fuel ratio of an engine during its open loop fuel controlled warm up period is established by one schedule while the vehicle automatic transmission is in drive and established by another schedule while the vehicle automatic transmission is in neutral.