Title:
ガスタービンの支持軸受用のドレン装置
Document Type and Number:
Japanese Patent JP2004517239
Kind Code:
A
Abstract:
A drainage system for gas turbine supporting cushions or bearings, in particular for the second supporting bearing, consisting of a central shaft ( 20 ), surrounded by a series of supporting studs ( 21 ), which result, in their turn, with connection to a container housing ( 22 ) for studs ( 21 ), a sleeve ( 23 ) for containing the second supporting bearing of the turbine and a series of pipes ( 24, 25 ), respectively for the entry and drainage of the lubrication and cooling oil; the system consists of, in addition, a series of lateral seals ( 26 ), provided in positions facing the second supporting bearing, which create a pressure difference which permits the oil to pass under pressure within the drainpipes ( 25 ) at a well sustained speed.
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Inventors:
Frosini, Franco
Signori, Andrea
Signori, Andrea
Application Number:
JP2002507148A
Publication Date:
June 10, 2004
Filing Date:
June 29, 2001
Export Citation:
Assignee:
Nuovo Pignone Holding S.p.A.
International Classes:
F01D25/16; F01D25/18; F02C7/06; F16C33/08; F16C33/10; F16C37/00; F16N31/00; F01D11/00; (IPC1-7): F02C7/06; F01D11/00; F01D25/18; F16C33/08; F16C33/10; F16C37/00; F16N31/00
Domestic Patent References:
JPS5260461A | 1977-05-18 |
Foreign References:
US5975157A | 1999-11-02 | |||
US5636848A | 1997-06-10 | |||
US5749660A | 1998-05-12 | |||
US6000701A | 1999-12-14 | |||
US4477223A | 1984-10-16 | |||
US6327857B1 | 2001-12-11 | |||
US2809078A | 1957-10-08 | |||
US2609065A | 1952-09-02 |
Attorney, Agent or Firm:
Kenichi Matsumoto
Hirokazu Ogura
Nobukazu Ito
Hirokazu Ogura
Nobukazu Ito