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:
Mar. 27, 1979
Filed:
Apr. 08, 1977
Applicant:
Inventor:
Keizo Higashigawa, Toyota, JP;
Assignee:
Toyota Jidosha Kogyo Kabushiki Kaisha, Toyota, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
261 / ; 123127 ; 251 55 ; 251 615 ; 261 / ; 261D / ;
Abstract
A diaphragm means for driving a secondary throttle valve in a two-barrel carburetor of the type wherein the secondary throttle valve is opened by a diaphragm means actuated by the venturi vacuum when the primary throttle valve is opened, including an expanding and contracting diaphragm rod, which is normally contracted but which is expanded against a spring face when the secondary throttle is being forcibly held closed during high-speed running, and whose contraction is damped.