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:
Dec. 04, 1979
Filed:
Apr. 24, 1978
Applicant:
Inventors:
Minoru Yamanaka, Toyotashi, JP;
Akira Ii, Toyotashi, JP;
Assignees:
Aisin Seiki Kabushiki Kaisha, Aichi, JP;
Toyota Jidosha Kogyo Kabushiki Kaisha, Aichi, JP;
Primary Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
261 / ; 137181 ; 2611 / ;
Abstract
An atmospheric pressure responsive and vacuum actuated control valve applied to a fluid control system for maintaining the same absolute ratio of air rate by fuel rate in a combustible mixture in an intake manifold of a vehicle engine regardless of whether the vehicle engine is moved to higher altitudes. The valve has a succesive changing ability of a superimposed corrective quantity of air on the intake manifold in accordance with the altitude of the engine.