EP 1035329 A3 20010912 - Turbomachine impeller and its application
Title (en)
Turbomachine impeller and its application
Title (de)
Strömungsmaschinenrad und Verwendung desselben
Title (fr)
Rouet de turbomachine et son application
Publication
Application
Priority
DE 19910813 A 19990311
Abstract (en)
[origin: EP1035329A2] The hub of the shaft has an inner(14) and an outer(16) section with an elastic damping element(26) in between them, and/or elastic blade damping elements(40) provided between the hub outer section and respective blade(22). The hub damping element is annular or sleeve- form and has at least one spring element.
IPC 1-7
IPC 8 full level
F04D 7/04 (2006.01); B01F 7/00 (2006.01); F04D 29/18 (2006.01); F04D 29/20 (2006.01); F04D 29/66 (2006.01)
CPC (source: EP US)
F04D 29/20 (2013.01 - EP US); F04D 29/669 (2013.01 - EP US)
Citation (search report)
- [X] US 4639193 A 19870127 - REICHERT GERHARD [DE], et al
- [X] DE 3624386 A1 19880128 - SIEMENS AG [DE]
- [A] DE 4343552 C1 19950126 - SIEMENS AG [DE]
- [A] DE 4445296 C1 19960822 - MAN B & W DIESEL AG [DE]
- [A] US 4496332 A 19850129 - KELLER FREDERICK P [US], et al
- [A] GB 2265420 A 19930929 - TOSHIBA KK [JP]
- [AD] DE 759535 C 19530119 - SIEMENS AG
- [AD] DE 578128 C 19330609 - AEG
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)
EP 1035329 A2 20000913; EP 1035329 A3 20010912; DE 19910813 A1 20000921; DE 19910813 B4 20040715; JP 2000274397 A 20001003; US 6309181 B1 20011030
DOCDB simple family (application)
EP 00103933 A 20000225; DE 19910813 A 19990311; JP 2000060234 A 20000306; US 51547800 A 20000229