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:
Jul. 27, 2021

Filed:

Jul. 12, 2017
Applicant:

Keihin Corporation, Tokyo, JP;

Inventors:

Masayuki Suzuki, Tochigi, JP;

Shigeto Ryuen, Tochigi, JP;

Assignee:

Keihin Corporation, Tokyo, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16K 31/40 (2006.01); B67D 7/36 (2010.01); F02M 21/02 (2006.01); G05D 16/10 (2006.01);
U.S. Cl.
CPC ...
B67D 7/36 (2013.01); F02M 21/02 (2013.01); F16K 31/406 (2013.01); G05D 16/10 (2013.01); Y10T 137/7816 (2015.04);
Abstract

A pressure reducing valve for gas is provided in which a connecting passage providing a connection between a passage and a pressure action chamber is formed within a valve body, a guide hole guiding movement of the valve body between a spring chamber and a high pressure chamber is formed within a body, a spring linked to a piston and urging the valve body in an opening direction is provided within the spring chamber, and a seal member providing a seal between the high pressure chamber and the spring chamber is disposed between the guide hole and the valve body. This provides a pressure reducing valve for gas that can suppress problems based on a decrease in the temperature of a pressure reducing valve.


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