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:
Apr. 27, 2021
Filed:
Nov. 17, 2016
Applicant:
Mitsubishi Hitachi Power Systems, Ltd., Kanagawa, JP;
Inventors:
Assignee:
MITSUBISHI POWER, LTD., Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 25/12 (2006.01); F01D 25/24 (2006.01); F01D 9/02 (2006.01); F01D 9/06 (2006.01);
U.S. Cl.
CPC ...
F01D 25/12 (2013.01); F01D 9/02 (2013.01); F01D 9/06 (2013.01); F01D 25/24 (2013.01); F05D 2220/31 (2013.01); F05D 2240/10 (2013.01); F05D 2260/201 (2013.01); F05D 2260/2322 (2013.01); Y02T 50/60 (2013.01);
Abstract
A steam turbine cooling unit for a steam turbine includes a coolant steam path provided to penetrate a casing along a superheated steam supply tube to reach a gap; and a coolant steam supplying unit configured to supply coolant steam flowing through the coolant steam path along the superheated steam supply tube to reach the gap, and having: (i) a pressure higher than a pressure of superheated steam to be supplied by the superheated steam supply tube; and (ii) a temperature lower than a temperature of the superheated steam to be supplied by the superheated steam supply tube.