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. 22, 2012
Filed:
Jan. 22, 2008
Hiroaki Yamamoto, Miyagi, JP;
Yoji Nakajima, Miyagi, JP;
Yoshio Saito, Miyagi, JP;
Yutaka Chiba, Miyagi, JP;
Hiroaki Yamamoto, Miyagi, JP;
Yoji Nakajima, Miyagi, JP;
Yoshio Saito, Miyagi, JP;
Yutaka Chiba, Miyagi, JP;
Keihin Corporation, Tokyo, JP;
Abstract
A pressure reducing valve for gas is provided in which a valve mechanism having opening in a central part a valve hole that communicates with a low pressure passage and a low pressure chamber and including a valve body that is capable of being seated on a valve seat facing a valve chamber communicating with a high pressure passage is housed within a body such that the valve body is connected to a pressure receiving member operating in response to pressure of the low pressure passage and the low pressure chamber, wherein the body () is formed by joining a plurality of body members () having different strengths, the entirety of the high pressure passage () being formed, among the plurality of body members (), within the body member () that has a high strength, and at least part of the low pressure passage () and the low pressure chamber () being formed, among the plurality of body members (), within the body member () that has a low strength. This enables the cost to be reduced.