Global Patent Index - EP 1163426 A1

EP 1163426 A1 20011219 - TURBOMACHINE BLADE

Title (en)

TURBOMACHINE BLADE

Title (de)

TURBOMASCHINENSCHAUFEL

Title (fr)

AUBE DE TURBOMACHINE

Publication

EP 1163426 A1 20011219 (DE)

Application

EP 00908907 A 20000323

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

F01D 5/22; F01D 5/14; F01D 5/24

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)

Citation (search report)

See references of WO 0057030A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

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