Title:
蒸気タービンロータ
Document Type and Number:
Japanese Patent JP6755650
Kind Code:
B2
Abstract:
The invention relates to a steam turbine rotor (10, 20) wherein the inter blade region rotor surface (12, 22), the feed region rotor (10, 20) surface (14, 24), the piston region rotor surface (16, 26) and the stress relief groove rotor surface (18, 28) of the rotor (10, 20) are configured and arranged as steam exposed surfaces during normal operation of the steam turbine rotor (10, 20). The steam turbine rotor (10, 20) has a thermal barrier coating (19, 29) on at least the piston region rotor surface (16, 26).
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Inventors:
Mageshwaran Ramesh
Thomas shreer
Ingo Kyun
Gregoire Etienne Witz
Thomas shreer
Ingo Kyun
Gregoire Etienne Witz
Application Number:
JP2015212755A
Publication Date:
September 16, 2020
Filing Date:
October 29, 2015
Export Citation:
Assignee:
General Electric Technology GmbH
International Classes:
F01D5/08; F01D25/00
Domestic Patent References:
| JP2009513866A | ||||
| JP2011074920A | ||||
| JP2007514094A | ||||
| JP2010242225A | ||||
| JP2001522013A |
Attorney, Agent or Firm:
Hirokazu Ogura
Toshihisa Kurokawa
Arakawa Satoshi
Toshihisa Kurokawa
Arakawa Satoshi