Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Plural rigidly related blade sets
Reexamination Certificate
2007-04-24
2010-12-14
Kershteyn, Igor (Department: 3745)
Rotary kinetic fluid motors or pumps
Working fluid passage or distributing means associated with...
Plural rigidly related blade sets
C415S199400, C415S200000, C415S216100, C416S061000, C416S19800R, C416S20100A, C416S21300R, C416S24400R
Reexamination Certificate
active
07850423
ABSTRACT:
High-temperature steam at 620° C. or higher is introduced to a reheat steam turbine100, and a turbine rotor113of the reheat steam turbine100includes: a high-temperature turbine rotor constituent part113apositioned in an area extending from a nozzle114aon a first stage to a moving blade115aon a stage where temperature of the steam becomes 550° C. and made of a corrosion and heat resistant material; and low-temperature turbine rotor constituent parts113bconnected to and sandwiching the high-temperature turbine rotor constituent part113aand made of a material different from the material of the high-temperature turbine rotor constituent part113a.
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Foley & Lardner LLP
Kabushiki Kaisha Toshiba
Kershteyn Igor
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