EP 4010598 A1 20220615 - CLOSED CENTRIFUGAL PUMP CHANNEL IMPELLER FOR FLUIDS WHICH HAVE ABRASIVE OR EROSIVE ADMIXTURES
Title (en)
CLOSED CENTRIFUGAL PUMP CHANNEL IMPELLER FOR FLUIDS WHICH HAVE ABRASIVE OR EROSIVE ADMIXTURES
Title (de)
GESCHLOSSENES KREISELPUMPENKANALLAUFRAD FÜR FLÜSSIGKEITEN MIT ABRASIVEN ODER EROSIVEN BEIMENGUNGEN
Title (fr)
ROUE MONOCANAL DE POMPE CENTRIFUGE FERMÉE DESTINÉE À DES FLUIDES QUI ONT DES MÉLANGES ABRASIFS OU ÉROSIFS
Publication
Application
Priority
- DE 102019005469 A 20190805
- EP 2020071669 W 20200731
Abstract (en)
[origin: WO2021023660A1] The invention relates to a closed centrifugal pump channel impeller for fluids which have abrasive or erosive admixtures, consisting of a support disc and a cover disc and one or more blades arranged therebetween, characterised in that, in the interface region to the support disc and/or cover disc, at least one blade comprises a blade profile shape which is asymmetrical with respect to the camber line.
IPC 8 full level
F04D 7/04 (2006.01); F04D 29/22 (2006.01); F04D 29/24 (2006.01)
CPC (source: CN EP)
F04D 7/04 (2013.01 - CN EP); F04D 7/06 (2013.01 - CN); F04D 29/2227 (2013.01 - CN); F04D 29/2294 (2013.01 - CN EP); F04D 29/242 (2013.01 - CN EP); F05D 2240/301 (2013.01 - CN EP); F05D 2240/303 (2013.01 - CN EP); F05D 2240/305 (2013.01 - CN EP)
Citation (search report)
See references of WO 2021023660A1
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)
WO 2021023660 A1 20210211; CN 114423951 A 20220429; DE 102019005469 A1 20210211; EP 4010598 A1 20220615
DOCDB simple family (application)
EP 2020071669 W 20200731; CN 202080069329 A 20200731; DE 102019005469 A 20190805; EP 20753307 A 20200731