EP 1258635 A1 20021120 - Pump Impeller
Title (en)
Pump Impeller
Title (de)
Pumpenlaufrad
Title (fr)
Rouet de pompe
Publication
Application
Priority
FI 20010887 A 20010427
Abstract (en)
An impeller for a pump used for pumping liquid substances, such as waste water, said impeller containing at least one flow channel (2) of a spatially curved shape, wherein the flow channel is of an evenly curved shape and, in the final portion of the channel, the flow channel (2) meets itself, or another channel if the impeller has more than one flow channel. By using the impeller of the invention, a very high efficiency is achieved. <IMAGE>
IPC 1-7
IPC 8 full level
F04D 29/22 (2006.01)
CPC (source: EP)
F04D 29/225 (2013.01)
Citation (search report)
- [X] GB 687514 A 19530218 - FAIRBANKS MORSE & CO
- [DX] DE 3211230 A1 19830929 - PLEIGER MASCHF PAUL [DE]
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
EP 1258635 A1 20021120; EP 1258635 B1 20060531; AT E328203 T1 20060615; DE 60211797 D1 20060706; DE 60211797 T2 20070516; ES 2266401 T3 20070301; FI 110275 B 20021231; FI 20010887 A0 20010427; FI 20010887 A 20021028
DOCDB simple family (application)
EP 02076680 A 20020429; AT 02076680 T 20020429; DE 60211797 T 20020429; ES 02076680 T 20020429; FI 20010887 A 20010427