Global Patent Index - EP 0929736 B1

EP 0929736 B1 20031112 - STEAM TURBINE AND PROCESS FOR COOLING A STEAM TURBINE IN VENTILATION OPERATION

Title (en)

STEAM TURBINE AND PROCESS FOR COOLING A STEAM TURBINE IN VENTILATION OPERATION

Title (de)

DAMPFTURBINE SOWIE VERFAHREN ZUR KÜHLUNG EINER DAMPFTURBINE IM VENTILATIONSBETRIEB

Title (fr)

TURBINE A VAPEUR ET PROCEDE POUR LE REFROIDISSEMENT D'UNE TURBINE A VAPEUR FONCTIONNANT EN MODE VENTILATION

Publication

EP 0929736 B1 20031112 (DE)

Application

EP 97909144 A 19970918

Priority

  • DE 9702105 W 19970918
  • DE 19640298 A 19960930

Abstract (en)

[origin: DE19640298A1] This invention concerns a steam turbine (1) which has guide vanes (5a). At least one guide vane (5a) has a hollow space (6). This hollow space (6) is connected with a fluid line (7) for introducing fluid (8) as well as port ducts (9a, 9b), which open at the outer surface (10) of the guide vane (5a). The invention also concerns a process for cooling the steam turbine (1) in ventilation operation.

IPC 1-7

F01K 13/02; F01K 7/22; F01D 25/08; F01D 5/18

IPC 8 full level

F01D 9/02 (2006.01); F01D 5/18 (2006.01); F01D 25/08 (2006.01); F01D 25/12 (2006.01); F01K 7/22 (2006.01); F01K 13/02 (2006.01)

CPC (source: EP KR US)

F01D 25/08 (2013.01 - EP US); F01K 7/226 (2013.01 - EP US); F01K 13/02 (2013.01 - KR); F01K 13/025 (2013.01 - EP US)

Designated contracting state (EPC)

CH DE FR GB LI

DOCDB simple family (publication)

DE 19640298 A1 19980409; CN 1093214 C 20021023; CN 1231715 A 19991013; DE 59711004 D1 20031218; EP 0929736 A1 19990721; EP 0929736 B1 20031112; JP 2001501700 A 20010206; KR 20000048758 A 20000725; US 6272861 B1 20010814; WO 9814692 A1 19980409

DOCDB simple family (application)

DE 19640298 A 19960930; CN 97198388 A 19970918; DE 59711004 T 19970918; DE 9702105 W 19970918; EP 97909144 A 19970918; JP 51611698 A 19970918; KR 19997002744 A 19990330; US 28209599 A 19990330