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:
Feb. 03, 2009
Filed:
Mar. 15, 2006
Takeo Suga, Yokohama, JP;
Ryuichi Ishii, Edogawa-ku, JP;
Takeo Takahashi, Yokohama, JP;
Masafumi Fukuda, Saitama, JP;
Takeo Suga, Yokohama, JP;
Ryuichi Ishii, Edogawa-ku, JP;
Takeo Takahashi, Yokohama, JP;
Masafumi Fukuda, Saitama, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A steam turbine power plant which is provided with an extra-high-pressure turbine, a high-pressure turbine, an intermediate-pressure turbineand a low-pressure turbine, and has high-temperature steam of 650° C. or more introduced into the extra-high-pressure turbine, wherein the extra-high-pressure turbinehas an outer casing cooling unit which cools an outer casing, and a turbine rotor, an inner casingand a nozzle boxof the extra-high-pressure turbineare formed of an Ni base heat-resisting alloy, and the outer casingis formed of a ferrite-based alloy.