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. 15, 1999
Applicant:
Inventors:
Hisashi Kadowaki, Chita-gun, JP;
Kenji Yamamoto, Anjo, JP;
Assignee:
Denso Corporation, Kariya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B 4/100 ;
U.S. Cl.
CPC ...
F02B 4/100 ;
Abstract
An air/fuel ratio controller/method learns the deviation from a target air/fuel ratio and stores that learned value in a backup memory except when engine compartment temperature is ecessive.