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:
Mar. 09, 2021
Filed:
May. 19, 2017
Applicant:
Mitsubishi Hitachi Power Systems, Ltd., Yokohama, JP;
Inventors:
Assignee:
MITSUBISHI POWER, LTD., Yokohama, JP;
Primary Examiner:
Int. Cl.
CPC ...
F16K 1/32 (2006.01); F01D 17/10 (2006.01); F01D 25/00 (2006.01); F16K 1/34 (2006.01); F16K 1/44 (2006.01); F16K 1/38 (2006.01);
U.S. Cl.
CPC ...
F16K 1/32 (2013.01); F01D 17/10 (2013.01); F01D 25/00 (2013.01); F16K 1/34 (2013.01); F16K 1/44 (2013.01); F16K 1/38 (2013.01); F16K 1/443 (2013.01);
Abstract
A valve includes a valve stem, a first valve body disposed on a distal end side of the valve stem and configured to be driven via the valve stem, a first valve seat on which the first valve body is seatable, an auxiliary seat surface extending along a direction transverse to an axial direction of the valve stem, an auxiliary seat portion disposed on a proximal end side of the valve stem with respect to the first valve body and configured to abut on the auxiliary seat surface when the first valve body is closed, and a biasing member capable of generating a biasing force along the axial direction of the valve stem.