Title:
TURBINE ROTOR
Document Type and Number:
Japanese Patent JP2002106302
Kind Code:
A
Abstract:
To provide a turbine rotor having superior property to fretting fatigue of a moving blade embedding part.
In this turbine rotor comprising a rotor shaft 2 and a moving blade 2 mounted on an outer periphery of the rotor shaft along the circumferential direction, and connecting the rotor shaft 2 and the moving blade 1 by uneven engagement of plural hooks 4 arranged on a blade embedding part 3 of the moving blade 1 in a state of reducing their projection toward a center of the rotor shaft, a position of a contact end 8 of a stress concentrating part of a neck part 5 of the blade embedding part 3, and the rotor shaft on a first hook nearest to a surface of the rotor shaft 2 is displaced by a length of 0.2-2.0 mm.
Inventors:
SAITO KAZUHIRO
ITOU HIROSHIGE
MURAKAMI ITARU
ITOU HIROSHIGE
MURAKAMI ITARU
Application Number:
JP2000295815A
Publication Date:
April 10, 2002
Filing Date:
September 28, 2000
Export Citation:
Assignee:
TOSHIBA CORP
International Classes:
F01D5/30; (IPC1-7): F01D5/30
Attorney, Agent or Firm:
Shoko Inomata (1 person outside)