Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Specific casing or vane material
Reexamination Certificate
2007-07-03
2007-07-03
Kershteyn, Igor (Department: 3745)
Rotary kinetic fluid motors or pumps
Working fluid passage or distributing means associated with...
Specific casing or vane material
C416S24100B
Reexamination Certificate
active
10901370
ABSTRACT:
An intermediate-pressure turbine is divided into a high-temperature, high-pressure side high-temperature, intermediate-pressure turbine section11aand a low-temperature, low-pressure side low-temperature, intermediate-pressure turbine section11b, the component members of the high-temperature, intermediate-pressure turbine section11aare formed of austenitic heat-resistant steels or Ni-based alloys, and the high-temperature, intermediate-pressure turbine section11ais operated by steam having a temperature of 650° C. or more. Other turbines are mainly formed of ferritic heat-resistant steels. Thus, a steam turbine power plant having high thermal efficiency and being economical can be provided.
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Fukuda Masafumi
Ishii Ryuichi
Okita Nobuo
Shinozaki Yukio
Takahashi Seiko
Kabushiki Kaisha Toshiba
Kershteyn Igor
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