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:
Jul. 22, 1986
Filed:
Aug. 28, 1985
Applicant:
Inventors:
Yoshiaki Asayama, Himeji, JP;
Seiya Kominami, Takasago, JP;
Assignees:
NGK Spark Plug Co., Ltd., both of, JP;
Mitsubishi Denki Kabushiki Kaisha, both of, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
204 / ; 204425 ; 204426 ;
Abstract
This invention can accurately sense not only the stoichiometric air-to-fuel (A/F) ratio but also A/F other than the stoichiometric A/F by altering the electromotive force of an oxygen sensor at a predetermined value during the operation of an engine by using an oxygen concentration measuring device of the solid electrolyte oxygen pumping type.
Asayama, Yoshiaki. (1986). Sensing air-to-fuel ratio for engine (U.S. Patent No. 4601793). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4601793
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile