EP 1643082 A1 20060405 - Turbine blade retention system
Title (en)
Turbine blade retention system
Title (de)
Schaufelbefestigung einer Turbine
Title (fr)
Fixation d'aubes de turbine
Publication
Application
Priority
EP 04023350 A 20040930
Abstract (en)
Fixing device comprises a wedge (26) extending over the whole length of a groove and inserted between a blade foot (14) and a blade holder. The wedge is made from a material which acts as a spring element in the transverse direction of the groove. Preferred Features: The wedge has a structured surface on one side and is inserted on the lower side of the blade foot. A wedge-shaped recess receives the wedge and guides the wedge in the direction of the groove.
IPC 8 full level
F01D 5/32 (2006.01)
CPC (source: EP)
F01D 5/323 (2013.01); F05D 2250/183 (2013.01); F05D 2250/184 (2013.01); F05D 2250/292 (2013.01); F05D 2250/60 (2013.01); F05D 2250/611 (2013.01); F05D 2250/70 (2013.01); F05D 2300/501 (2013.01)
Citation (search report)
- [X] WO 03100220 A1 20031204 - ABB TURBO SYSTEMS AG [CH], et al
- [X] DE 3236021 A1 19830519 - BBC BROWN BOVERI & CIE [CH]
- [X] US 5584659 A 19961217 - SCHMIDT GUENTER [DE]
- [X] US 2004062653 A1 20040401 - DI PAOLA FRANCO [CA], et al
- [X] DE 19823157 A1 19991125 - ASEA BROWN BOVERI [CH]
- [A] DE 1551211 A1 19700212 - SIEMENS AG
- [A] US 2942842 A 19600628 - HAYES JOHN R
- [X] PATENT ABSTRACTS OF JAPAN vol. 010, no. 323 (M - 531) 5 November 1986 (1986-11-05)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
DOCDB simple family (application)
EP 04023350 A 20040930