EP 1163426 B1 20030618 - TURBOMACHINE BLADE
Title (en)
TURBOMACHINE BLADE
Title (de)
TURBOMASCHINENSCHAUFEL
Title (fr)
AUBE DE TURBOMACHINE
Publication
Application
Priority
- CH 0000171 W 20000323
- DE 19913265 A 19990324
Abstract (en)
[origin: DE19913265A1] The invention has the aim of improving the efficiency of a turbomachine blade fitted with a reinforced hole for receiving a damping element. To this end, the raised end faces (12, 13) of the edge area (11) of the blade (4), which is reinforced in the direction of the hole (10), is configured with an acute angle alpha that is open relative to the input edge (5) of the blade and/or with an acute angle beta that is open relative to the tip (9) of the blade.
IPC 1-7
IPC 8 full level
F01D 5/14 (2006.01); F01D 5/22 (2006.01); F01D 5/24 (2006.01)
CPC (source: EP KR US)
F01D 5/147 (2013.01 - EP US); F01D 5/22 (2013.01 - EP KR US); F01D 5/24 (2013.01 - EP US); Y10S 416/50 (2013.01 - EP US)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
DE 19913265 A1 20000928; CN 1171005 C 20041013; CN 1359445 A 20020717; DE 50002590 D1 20030724; EP 1163426 A1 20011219; EP 1163426 B1 20030618; JP 2002540335 A 20021126; JP 4531268 B2 20100825; KR 100718859 B1 20070516; KR 20020004969 A 20020116; TW 440654 B 20010616; US 6520741 B1 20030218; WO 0057030 A1 20000928
DOCDB simple family (application)
DE 19913265 A 19990324; CH 0000171 W 20000323; CN 00805431 A 20000323; DE 50002590 T 20000323; EP 00908907 A 20000323; JP 2000606875 A 20000323; KR 20017011799 A 20010917; TW 89105124 A 20000321; US 93731601 A 20011113