Invention Grant
- Patent Title: Turbine rotor and steam turbine
- Patent Title (中): 涡轮转子和汽轮机
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Application No.: US11626590Application Date: 2007-01-24
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Publication No.: US07946813B2Publication Date: 2011-05-24
- Inventor: Masafumi Fukuda , Takahiro Kubo
- Applicant: Masafumi Fukuda , Takahiro Kubo
- Applicant Address: JP Tokyo
- Assignee: Kabushiki Kaisha Toshiba
- Current Assignee: Kabushiki Kaisha Toshiba
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2006-272618 20061004
- Main IPC: F04D29/04
- IPC: F04D29/04 ; B21K25/00
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.
Public/Granted literature
- US20080085192A1 TURBINE ROTOR AND STEAM TURBINE Public/Granted day:2008-04-10
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