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:
Feb. 28, 1995
Filed:
Nov. 18, 1993
Seiji Kondo, Chiryu, JP;
Yoshihiro Kato, Seto, JP;
Aisan Kogyo Kabushiki Kaisha, Ohbu, JP;
Abstract
A fuel tank structure in an automobile comprising: a fuel tank having a recessed portion and first and second air chambers separated by the recessed portion and having top walls located at different levels; a fuel tube with a breather pipe; a fuel cutoff valve provided on the high-level top wall of the first air chamber and having a casing projecting thereinto, discharge holes for fuel evaporation gas, a valve seat opening formed at the central portion on a top wall of the casing, a float valve movably provided in the casing, and a spring for pressing the float valve toward the valve seat opening; a fuel cutoff valve with a float provided on the low-level top wall of the second air chamber and having a casing projecting thereinto, discharge holes for fuel evaporation gas, a second float valve movably provided in the casing to tightly close a valve seat opening, a spring for pressing the second float valve toward the valve seat opening, a lower casing provided at a bottom of the casing, a float movably accommodated in the lower casing and having a push rod for lifting the second float valve; and a conduit device extending from the fuel cutoff valve and the fuel cutoff valve with the float through a check valve to a canister.