US Patent 7946813 Turbine rotor and steam turbine
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Patent abstract
A turbine rotor 10 is disposed in a steam turbine, into which high-temperature steam of 650° C. or more is introduced, and separately configured of the portion made of the Ni-base alloy and the portion made of the CrMoV steel depending on a steam temperature and a metal temperature, and the individual portions having a small difference in coefficient of linear expansion are welded mutually.
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Patent Citations Received
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Patent Inventor Names
Masafumi Fukuda0
Takahiro Kubo0
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US Patent 07946813 Turbine rotor and steam turbine US Patent 7946813 Turbine rotor and steam turbine
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Patent Number
07946813
Patent Number
7946813
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US Patent 07946813 Turbine rotor and steam turbine
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Is a
Patent jurisdiction
Patent number
07946813
Date of patent
May 24, 2011
Patent application number
11626590
Date Filed
January 24, 2007
Patent primary examiner
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