Title:
TURBINE AND TURBINE STATOR BLADE
Document Type and Number:
WIPO Patent Application WO/2017/158637
Kind Code:
A1
Abstract:
A turbine equipped with a cylindrical casing and turbine stator blades arranged along the circumferential direction in the interior of the casing, said turbine blades having: a blade effective section; a cooling medium flow path for circulating a coolant in the interior of and thereby cooling the blade effective section; an outer-ring side wall provided at the outer circumference of the blade effective section; an inner-ring side wall provided at the inner circumference of the blade effective section; and contact parts, at least a portion of each of which is provided on the ends of the inner-ring side wall along the flow direction of an operating fluid, and which make contact with the inner-ring side wall of the adjacent blades during operation, and separate from the inner-ring side wall of the adjacent blades when operation is stopped.
Inventors:
TSURUTA KAZUTAKA (JP)
SATO IWATARO (JP)
MAEDA HIDEYUKI (JP)
SEKINE SATORU (JP)
SATO IWATARO (JP)
MAEDA HIDEYUKI (JP)
SEKINE SATORU (JP)
Application Number:
PCT/JP2016/001469
Publication Date:
September 21, 2017
Filing Date:
March 15, 2016
Export Citation:
Assignee:
TOSHIBA KK (JP)
International Classes:
F01D9/02; F01D9/04; F01D11/00; F01D25/00; F02C7/28
Foreign References:
| US6425738B1 | 2002-07-30 | |||
| JP2009203841A | 2009-09-10 | |||
| JP2012097601A | 2012-05-24 | |||
| US20050249588A1 | 2005-11-10 | |||
| JP2012237318A | 2012-12-06 | |||
| JP2010216473A | 2010-09-30 | |||
| US3004700A | 1961-10-17 | |||
| JP2013155812A | 2013-08-15 | |||
| JP2009079560A | 2009-04-16 |
Attorney, Agent or Firm:
SAKURA PATENT OFFICE, P.C. (JP)
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