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:
Feb. 26, 1985
Filed:
Apr. 01, 1983
Applicant:
Inventors:
Assignees:
Nippondenso Co., Ltd., Kariya, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
123440 ; 123589 ;
Abstract
In an air-fuel ratio control apparatus for detecting the air-fuel ratio from the oxygen content of the exhaust gas from an engine and feedback controlling the air-fuel ratio at the desired ratio through an integrating circuit, the circuit constant of the integrating circuit is increased with increase in the altitude to improve the control response characteristic.
Niimi, Yukihide. (1985). Air-fuel ratio control apparatus (U.S. Patent No. 4501242). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4501242
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile