EP 0741840 A1 19961113 - IMPELLER WHEEL
Title (en)
IMPELLER WHEEL
Title (de)
LAUFRAD
Title (fr)
ROUE A AUBAGE
Publication
Application
Priority
- DE 4402493 A 19940128
- EP 9500050 W 19950107
Abstract (en)
[origin: WO9520724A1] The invention concerns an impeller wheel (1) made up of shaped metal-plate components, the impeller vanes (5) being fixed to the cover discs (3, 4) by continuous welds located outside the vane channels. Only near the impeller-wheel entry is a gap (8, 9) left between the vanes (5) and one or both cover discs (3, 4) on the delivery and/or aspiration side.
IPC 1-7
IPC 8 full level
F04D 29/22 (2006.01)
CPC (source: EP)
F04D 29/2222 (2013.01)
Citation (search report)
See references of WO 9520724A1
Designated contracting state (EPC)
AT CH DE DK ES FR GB IT LI NL
DOCDB simple family (publication)
WO 9520724 A1 19950803; AT E173062 T1 19981115; DE 4402493 A1 19950803; DE 59504144 D1 19981210; DK 0741840 T3 19990719; EP 0741840 A1 19961113; EP 0741840 B1 19981104; JP H09511557 A 19971118
DOCDB simple family (application)
EP 9500050 W 19950107; AT 95905125 T 19950107; DE 4402493 A 19940128; DE 59504144 T 19950107; DK 95905125 T 19950107; EP 95905125 A 19950107; JP 51985495 A 19950107