EP 1747377 A1 20070131 - IMPELLER
Title (en)
IMPELLER
Title (de)
LAUFRAD
Title (fr)
ROUE
Publication
Application
Priority
- SE 2005000541 W 20050414
- SE 0400964 A 20040415
Abstract (en)
[origin: WO2005100796A1] The present invention. relates to an open or half- open channel impeller for a centrifugal pump for waste-water. The channel impeller has a substantially circular periphery and comprises a central hub with a hub axis and a hub plane to which the hub axis extends perpendicularly. The channel impeller further comprises at least one blade which extends from the hub to the periphery. Each blade has a front edge adjacent to the hub, which front edge is continuously curved with an inclination to the hub plane which is 20<°> minimum and 50° maximum. The invention also relates to a centrifugal pump comprising such a channel impeller.
IPC 8 full level
F04D 7/04 (2006.01); F04D 29/22 (2006.01); F04D 29/24 (2006.01)
IPC 8 main group level
F04D (2006.01)
CPC (source: EP SE)
F04D 7/04 (2013.01 - SE); F04D 29/225 (2013.01 - EP); F04D 29/245 (2013.01 - SE); F05D 2240/303 (2013.01 - EP)
Citation (third parties)
Third party :
- FLYGT ITT INDUSTRIES: "Parts list - 2066.171, 2033.171-U, 2066.171-W", PARTS LIST, November 2001 (2001-11-01), pages 1 - 16, XP003011408
- FLYGT ITT INDUSTRIES: "Parts list - 2052.170, 2052.170-U, 2052.170-W", PARTS LIST, May 2003 (2003-05-01), pages 1 - 15, XP003011409
- See also references of WO 2005100796A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2005100796 A1 20051027; AT E421638 T1 20090215; DE 602005012498 D1 20090312; EP 1747377 A1 20070131; EP 1747377 B1 20090121; SE 0400964 D0 20040415; SE 0400964 L 20051011; SE 526557 C2 20051011
DOCDB simple family (application)
SE 2005000541 W 20050414; AT 05732227 T 20050414; DE 602005012498 T 20050414; EP 05732227 A 20050414; SE 0400964 A 20040415