Title:
TURBINE ROTOR BLADE
Document Type and Number:
Japanese Patent JP2020023921
Kind Code:
A
Abstract:
To provide a turbine rotor blade capable of suppressing disturbance of working fluid due to the rotation of the turbine rotor blade to improve performance.SOLUTION: A turbine rotor blade comprising a blade effective part, a snubber provided at a tip of the blade effective part, and a snubber contact surface where adjacent snubbers contact with each other in operation, has an offset angle at which a surface on the front edge side of the snubber is inclined axially respect to a blade rotation direction in a direction twisted in the blade rotation direction in manufacturing.SELECTED DRAWING: Figure 1
Inventors:
MURAKAMI ITARU
Application Number:
JP2018148425A
Publication Date:
February 13, 2020
Filing Date:
August 07, 2018
Export Citation:
Assignee:
TOSHIBA CORP
TOSHIBA ENERGY SYSTEM & SOLUTION CORP
TOSHIBA ENERGY SYSTEM & SOLUTION CORP
International Classes:
F01D11/08; F01D5/20
Domestic Patent References:
| JP2008544157A | 2008-12-04 | |||
| JPS6487804A | 1989-03-31 | |||
| JP2005146868A | 2005-06-09 | |||
| JP2000220405A | 2000-08-08 | |||
| JPH11210402A | 1999-08-03 | |||
| JPH1150804A | 1999-02-23 | |||
| JPH10103003A | 1998-04-21 | |||
| JPH1030402A | 1998-02-03 | |||
| JPH06117201A | 1994-04-26 | |||
| JPH0598906A | 1993-04-20 |
Foreign References:
| WO2005026501A1 | 2005-03-24 | |||
| US3328867A | 1967-07-04 |
Attorney, Agent or Firm:
Patent Business Corporation Sakura International Patent Office