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:
Jan. 31, 1984
Filed:
Jun. 21, 1982
Applicant:
Inventor:
Katsuhiko Yokooku, Hiroshima, JP;
Assignee:
Toyo Kogyo Co., Ltd., Hiroshima, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
123571 ; 123569 ; 123479 ;
Abstract
An internal combustion engine having an exhaust gas recirculation system provided with a recirculation control valve. An abnormality detecting circuit is provided to detect that the control valve is held open beyond a desired position position for more than a certain time due for example to a stick in the valve actuating mechanism so as to increase a charge of intake mixture in an idling operation or shutt-off the exhaust gas recirculation.
Yokooku, Katsuhiko. (1984). Exhaust gas recirculation control for internal combustion engines (U.S. Patent No. 4428355). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4428355
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile