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. 18, 2001
Filed:
Dec. 17, 1999
Applicant:
Inventors:
Yuji Yasui, Wako, JP;
Shusuke Akazaki, Wako, JP;
Tadashi Sato, Wako, JP;
Masaki Ueno, Wako, JP;
Yoshihisa Iwaki, Wako, JP;
Hiroshi Tagami, Wako, JP;
Shuji Nagatani, Wako, JP;
Assignee:
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F02D 4/114 ;
U.S. Cl.
CPC ...
F02D 4/114 ;
Abstract
An allowable range (adaptive allowable range) for limiting a manipulated variable generated in order to converge the difference between an output from an O,sensor disposed downstream of a catalytic converter and a target value thereof to “0” is sequentially updated depending on how the manipulated variable deviates from the allowable range.