EP 2037125 A2 20090318 - Self-priming centrifugal jet pump
Title (en)
Self-priming centrifugal jet pump
Title (de)
Selbstansaugende Zentrifugalstrahlpumpe
Title (fr)
Pompe à jet centrifuge à amorçage automatique
Publication
Application
Priority
IT PD20070294 A 20070914
Abstract (en)
A self-priming centrifugal jet pump (10), comprising, within the pump body (11), an ejector designed to generate the suction required to prime the liquid to be pumped, the ejector comprising a Venturi duct (12), which is contiguous to the inlet (26) of the impeller (13) of the pump (10), preceded by a nozzle (14), the Venturi duct (12) and the nozzle (14) being aligned and forming between them at least one suction orifice (15), the nozzle (14) and the Venturi duct (12) lying substantially at right angles to the rotation axis (17) of the impeller (13).
IPC 8 full level
CPC (source: EP)
F04D 9/005 (2013.01); F04D 9/06 (2013.01)
Citation (applicant)
- US 2380924 A 19450807 - CARPENTER FRED A
- US 2433021 A 19471223 - BERGH CHARLES J
- US 2578322 A 19511211 - WALTER SHALLENBERG
- EP 0323384 A2 19890705 - BOMBAS ELECTRICAS SA [ES]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA MK RS
DOCDB simple family (publication)
EP 2037125 A2 20090318; EP 2037125 A3 20100526; EP 2037125 B1 20110727; AT E518060 T1 20110815; ES 2369208 T3 20111128; IT PD20070294 A1 20090315
DOCDB simple family (application)
EP 08164172 A 20080911; AT 08164172 T 20080911; ES 08164172 T 20080911; IT PD20070294 A 20070914