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:
May. 29, 2018
Filed:
Dec. 18, 2014
Piolax, Inc., Yokohama-shi, JP;
Yachiyo Industry Co., Ltd., Sayama-shi, JP;
Kenta Mihara, Yokohama, JP;
Kazunari Nakaya, Sakura, JP;
Masato Shinozaki, Sakura, JP;
Masaru Sawano, Sakura, JP;
PIOLAX, INC., Yokohama-Shi, Kanagawa, JP;
YACHIYO INDUSTRY CO., LTD., Sayama-Shi, Saitama, JP;
Abstract
A fuel tank valve device includes a housing in which a partition wall defines a lower valve chamber and an upper ventilation chamber, and a first opening and a second opening are provided to establish a communication between the lower valve chamber and the upper ventilation chamber, a first float valve that is accommodated in a first valve chamber of the lower valve chamber so as to rise and fall and that closes the first opening when a fuel level in a fuel tank nearly reaches a set full fuel level, and a second float valve that is accommodated in a second valve chamber of the lower valve chamber so as to rise and fall and that closes the second opening when the fuel level in the fuel tank rises abnormally.