Rotary kinetic fluid motors or pumps – Casing and spaced housing with space vented to working fluid
Reexamination Certificate
2006-03-15
2009-02-03
Look, Edward (Department: 3745)
Rotary kinetic fluid motors or pumps
Casing and spaced housing with space vented to working fluid
C415S200000, C415S220000, C416S24100B, C420S037000, C420S445000, C420S446000, C420S447000, C420S448000, C420S449000, C420S450000
Reexamination Certificate
active
07484926
ABSTRACT:
A steam turbine power plant which is provided with an extra-high-pressure turbine100, a high-pressure turbine200, an intermediate-pressure turbine300and a low-pressure turbine400, and has high-temperature steam of 650° C. or more introduced into the extra-high-pressure turbine100, wherein the extra-high-pressure turbine100has an outer casing cooling unit which cools an outer casing111, and a turbine rotor112, an inner casing110and a nozzle box115of the extra-high-pressure turbine100are formed of an Ni base heat-resisting alloy, and the outer casing111is formed of a ferrite-based alloy.
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Fukuda Masafumi
Ishii Ryuichi
Suga Takeo
Takahashi Takeo
Kabushiki Kaisha Toshiba
Look Edward
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Younger Sean J
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