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:
Apr. 02, 1991
Filed:
Apr. 10, 1990
Applicant:
Inventor:
Jiro Kobayashi, Isehara, JP;
Assignee:
Nissan Motor Co., Ltd., Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
137 39 ; 137 43 ; 137508 ;
Abstract
A fuel check valve assembly for use in a fuel tank has a valve seat which is movable upwardly together with a float valve upon increase of a pressure within the fuel tank. Upon further increase of the pressure within the fuel tank, the valve seat is separated from the float valve and solely moves upwards to open the aperture of the valve seat for venting fuel vapor in the fuel tank.