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:
Nov. 19, 2019

Filed:

Oct. 21, 2016
Applicant:

Mitsubishi Hitachi Power Systems, Ltd., Kanagawa, JP;

Inventors:

Kensuke Futahashi, Tokyo, JP;

Hiroyuki Kanazawa, Tokyo, JP;

Kengo Imaoka, Tokyo, JP;

Katsuhisa Hamada, Yokohama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 1/44 (2006.01); F01D 17/10 (2006.01); F01D 25/00 (2006.01); F16K 47/02 (2006.01);
U.S. Cl.
CPC ...
F16K 1/443 (2013.01); F01D 17/10 (2013.01); F01D 25/00 (2013.01); F16K 1/44 (2013.01); F16K 47/02 (2013.01); F05D 2220/31 (2013.01); Y10T 137/87917 (2015.04);
Abstract

A steam valve includes a valve casing, a first valve body having a first cylindrical part and a first end wall part, a second valve body having a second cylindrical part and a second end wall part, a first valve stem capable of vertically biasing the first valve body, a second valve stem capable of vertically biasing the second valve body, a flow guide disposed inside the first cylindrical part and having a projection configured to project downwardly from the first cylindrical part and the second cylindrical part when the first cylindrical part and the second cylindrical part are apart from the valve seat, and a support supporting the flow guide. The support extends from the valve casing or the second valve body to the flow guide through a through hole formed in the first valve body to support the flow guide such that the flow guide is tiltable.


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