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. 24, 2015

Filed:

Oct. 13, 2011
Applicant:

Tatsuhito Aoyama, Kasugai, JP;

Inventor:

Tatsuhito Aoyama, Kasugai, JP;

Assignee:

CKD Corporation, Komaki-Shi, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 7/12 (2006.01); F16K 41/12 (2006.01); F16K 1/42 (2006.01);
U.S. Cl.
CPC ...
F16K 1/425 (2013.01);
Abstract

In a valve seat structure of a fluid control valve comprising a valve element, a body formed with an inlet port and an outlet port, and a valve seat member provided in the body, the fluid control valve being configured to bring the valve element into or out of contact with the valve seat member to control the flow of a fluid, the valve seat member is formed in a ring shape and includes a valve seat portion with which the valve element will come into our out of contact. Assuming that a thickness of the valve seat portion in a radial direction of the valve seat member is a first thickness t(0<t), a second thickness tcorresponding to a height of the valve seat member in a direction along an axis of the fluid control valve is determined in a range of 0.5 t≦t≦1.5 t


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