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.

Date of Patent:
Feb. 07, 2006

Filed:

Feb. 24, 2004
Applicants:

Tetsuya Takahashi, Tochigi-ken, JP;

Koji Miwa, Toyota, JP;

Takashi Ishikawa, Okazaki, JP;

Inventors:

Tetsuya Takahashi, Tochigi-ken, JP;

Koji Miwa, Toyota, JP;

Takashi Ishikawa, Okazaki, JP;

Assignee:

Kyosan Denki Co., Ltd., Ibaraki-Pref., JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 24/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A fill-up control valve structure includes a casing attached to a fuel tank, a float provided in a space defined in the casing so as to cause an up-and-down movement, a valve body provided at an upper portion of the float, a ventilation passage communicating with a downstream side of the valve body, and at least one first ventilation hole opened at a lower part of the casing to connect the inner space of the casing and the fuel tank to introduce fuel from the fuel tank into the space. Furthermore, at least one second ventilation hole is provided at an upper part of the casing to connect the inner space of the casing and the fuel tank. The hole size of second ventilation hole is smaller than that of the first ventilation hole.


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