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:
Dec. 29, 2020

Filed:

Dec. 21, 2016
Applicant:

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

Inventors:

Toyoharu Nishikawa, Tokyo, JP;

Katsuhisa Hamada, Kanagawa, JP;

Takumi Matsumura, Tokyo, JP;

Assignee:

MITSUBISHI POWER, LTD., Kanagawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 6/18 (2006.01); F01D 5/08 (2006.01); F01D 25/12 (2006.01); F01K 7/22 (2006.01); F01K 13/00 (2006.01); F02C 7/16 (2006.01);
U.S. Cl.
CPC ...
F01D 5/08 (2013.01); F01D 25/12 (2013.01); F01K 7/22 (2013.01); F01K 13/006 (2013.01); F02C 6/18 (2013.01); F02C 7/16 (2013.01); F05D 2220/31 (2013.01); F05D 2260/2322 (2013.01);
Abstract

A steam turbine is for a combined cycle plant. The combined cycle plant includes a gas turbine; a boiler a heat source of which is a flue gas discharged from the gas turbine; a high-pressure steam turbine that includes a rotor extending along an axial center of rotation of the rotor, a steam passage provided along the extending direction of the rotor between the rotor and a casing for the rotor, and a high-pressure steam supply portion provided to communicate, from outside the casing through the casing, with the steam passage and configured to be supplied with superheated steam, the high-pressure steam turbine being driven by high-pressure steam generated by the boiler; and a low-pressure steam turbine configured to be driven by low-pressure steam generated by the boiler and by the steam that has flowed through the high-pressure steam turbine.


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