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:
May. 25, 1976
Filed:
May. 07, 1974
Applicant:
Inventors:
Kazuo Shinoda, Toyota, JA;
Hiroshi Koide, Okazaki, JA;
Assignee:
Toyota Jidosha Kogyo Kabushiki Kaisha, Toyoto, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02B / ;
U.S. Cl.
CPC ...
1231 / ; 1231 / ;
Abstract
An air-fuel ratio control device for internal combustion engines including a passage having air for adjusting the air-fuel ratio and which flows into an intake manifold disposed downstream of the carburetor, and a control valve in the passage, the control valve having two operating mechanisms for controlling the open area of the valve, one of the operating mechanisms being controlled in response to the throttle valve opening and the other operating mechanism being controlled in response to the exhaust gas composition.