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. 27, 1976
Filed:
Oct. 24, 1974
Masami Inada, Toyoake, JA;
Shuji Okumura, Obu, JA;
Aisin Seiki Kabushiki Kaisha, , JA;
Abstract
A vapor fuel control apparatus adapted to be connected between a gasoline tank and a filter-supporting canister of a fuel supply system to an engine, comprising a main body, first valve means movably disposed within the main body and forming a first valve member therewith, second valve means movably disposed within the first valve means and forming a second valve member therewith, first spring means interposed between the main body and the first valve means urging said first valve means to move in one direction, and second spring means interposed between the first valve means and the second valve means urging said second valve means to move in the opposite direction, and both of first and second spring means holding the closing states of the first and second valve means at respective preset values.