Title:
ガスタービンの高圧及び低圧ターボエキスパンダを分離するための構造体
Document Type and Number:
Japanese Patent JP4262971
Kind Code:
B2
Abstract:
A structure for separating the high and low pressure turboexpanders of a gas turbine comprises a diaphragm (31) having the function of supplying flows of cooling air, a pair of shaped plates (50', 50") fixed to the diaphragm (31) and forming a gap (52) into which is blown cooling air which is drawn from a turbocompressor (11) and is then sent to hot areas of the turboexpanders, and a sealing ring (60) supported by the shaped plates (50', 50"), designed to isolate the high pressure (12) and low pressure (13) turboexpanders and to receive and distribute the cooling air obtained from the gap (52).
Inventors:
Roger De Meo
Application Number:
JP2002356103A
Publication Date:
May 13, 2009
Filing Date:
December 09, 2002
Export Citation:
Assignee:
Nuovo Pignone Holding S.p.A.
International Classes:
F01D11/02; F01D25/24; F01D11/00; F01D11/04; F02C7/18; F02C7/28; F16J3/02
Domestic Patent References:
| JP2002526705A | ||||
| JP52048716A |
Foreign References:
| US4079587 |
Attorney, Agent or Firm:
Kenichi Matsumoto
Hirokazu Ogura
Nobukazu Ito
Hirokazu Ogura
Nobukazu Ito