EP 3889437 A1 20211006 - IMPELLER ASSEMBLY FOR A CENTRIFUGAL PUMP
Title (en)
IMPELLER ASSEMBLY FOR A CENTRIFUGAL PUMP
Title (de)
KREISELPUMPENLAUFRAD
Title (fr)
ROUE À AUBES DE POMPE CENTRIFUGE
Publication
Application
Priority
EP 20167250 A 20200331
Abstract (en)
The impeller assembly associable with a centrifugal pump comprises a first disk (10) and a second disk (20) firmly assembled with each other. The first disk (10) is provided with a central hole (11) and a plurality of ribs (13) obtained by pressing on a face of the same first disk facing the second disk (20). The second disk (20) is provided with a central hole (21) and a rim (22) protruding from said central hole (21). Said ribs (13) are configured such that they shape a plurality of channels (14) separated by the same ribs between the first disk (10) and the second disk (20).
IPC 8 full level
F04D 29/22 (2006.01)
CPC (source: EP)
F04D 29/2233 (2013.01)
Citation (applicant)
WO 2016060221 A1 20160421 - EBARA CORP [JP]
Citation (search report)
- [X] ES 2123409 A1 19990101 - BOMBAS ELECTRICAS SA [ES]
- [X] US 6386831 B1 20020514 - STAHL HERMANN [DE], et al
- [X] US 3139034 A 19640630 - MAXIME AMIRAULT, et al
- [X] GB 789674 A 19580129 - PLESSEY CO LTD
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DOCDB simple family (application)
EP 20167250 A 20200331