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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.:

US 11174954 B1

PDFFull Text
Date of Patent:
Nov. 16, 2021

Filed:

Mar. 16, 2018

Control valve

Applicant:

Yamada Manufacturing Co., Ltd., Kiryu, JP;

Inventor:

Akifumi Ozeki, Kiryu, JP;

Assignee:

YAMADA MANUFACTURING CO., LTD., Kiryu, JP;

Attorney:

Rankin, Hill & Clark LLP

Primary Examiner:

Matthew W Jellett

Assistant Examiner:

Christopher D Ballman

Int. Cl.
CPC ...
F16K 5/04 (2006.01); F16K 11/076 (2006.01); F16K 11/085 (2006.01); F16K 39/06 (2006.01); F16K 5/18 (2006.01); F01P 3/20 (2006.01); F01P 7/14 (2006.01); F01P 7/16 (2006.01);
U.S. Cl.
CPC ...
F16K 11/076 (2013.01); F16K 5/04 (2013.01); F16K 5/0464 (2013.01); F16K 5/181 (2013.01); F16K 5/188 (2013.01); F16K 11/085 (2013.01); F16K 11/0856 (2013.01); F16K 39/06 (2013.01); F01P 3/20 (2013.01); F01P 7/165 (2013.01); F01P 2007/146 (2013.01); Y10T 137/3222 (2015.04); Y10T 137/4463 (2015.04);
Abstract

A control valve includes a valve housing, a joint member, a valve body, and a sealing tube member. The sealing tube member has a biasing pressure receiving surface that receives a pressure of a liquid inside the valve housing and biases the sealing tube member to the valve body side. An area Sof the biasing pressure receiving surface and an area Sof a valve sliding contact surface of the sealing tube member are set to satisfy Expressions (1) and (2),1<2≤1/  (1)α≤<1   (2)

Find Patent Forward Citations

Ozeki, Akifumi. (2021). Control valve (U.S. Patent No. 11174954). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11174954

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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