Title:
ガスタービン用可変式ノズル
Document Type and Number:
Japanese Patent JP2007513283
Kind Code:
A
Abstract:
Variable nozzle ( 10 ) for a gas turbine fixed to a shaft ( 11 ) equipped with a pressurized upper surface ( 12 ) and a depressurized lower surface ( 14 ) opposite to the upper surface ( 12 ), the variable nozzle comprises a series of substantially "C"-shaped sections, each having a first rounded end ( 20 ) and a second rounded end ( 21 ), each section of the series of sections also having the concavity facing upwards with respect to a base ( 90 ) and arranged one after another continuously, in the direction of an axis of the shaft ( 11 ) along a curved line ( 60 ), the at least second degree curved line ( 60 ) lies on a surface ( 70 ) having an axis orthogonal to the axis of the shaft ( 11 ) and also tilted with respect to the base ( 90 ) by an angle ( 80 ).
Inventors:
Sasanelli, giuseppe
Application Number:
JP2006541885A
Publication Date:
May 24, 2007
Filing Date:
November 30, 2004
Export Citation:
Assignee:
Nuovo Pignone Holding S.p.A.
International Classes:
F01D17/16; F01D5/12; F01D5/14
Domestic Patent References:
| JP2002130189A | 2002-05-09 |
Attorney, Agent or Firm:
Kenichi Matsumoto
Hirokazu Ogura
Toshihisa Kurokawa
Arakawa Satoshi
Hirokazu Ogura
Toshihisa Kurokawa
Arakawa Satoshi