EP 2503156 A1 20120926 - Impeller for centrifugal pump
Title (en)
Impeller for centrifugal pump
Title (de)
Laufrad für eine Kreiselpumpe
Title (fr)
Roue pour pompe centrifuge
Publication
Application
Priority
EP 11002276 A 20110320
Abstract (en)
A pump rotor is characterized by the fact that the rear shield diameter ( 1 ) is from 0.99 to 0.70 of the frontal shield diameter ( 2 ), whereas outlet blade( 2 ) edges ( 2 ) are parallel on its all length to the axis of rotor rotation. Outlet blade edges have got skips to be al wide, being from 0.01 to 0.9 of rotor discharge channel width; however its height a2 is from 0.01 to 0.5 of its width.
IPC 8 full level
F04D 29/22 (2006.01)
CPC (source: EP)
F04D 29/2216 (2013.01)
Citation (search report)
- [XI] US 4886417 A 19891212 - REMSTAD STEVEN C [US], et al
- [E] WO 2011089512 A2 20110728 - ITT MFG ENTERPRISES INC [US], et al
- [A] US 6481961 B1 20021119 - PAI CHENG-HUAI [TW]
- [A] JP S5216009 A 19770207 - SHINKO KIKAI SEISAKUSHO KK
- [A] US 2009280013 A1 20091112 - KUPFERBERG MINEL [CA]
- [A] JP 2001003888 A 20010109 - TERAL KYOKUTO INC
- [A] JP 2009167990 A 20090730 - MITSUBISHI HEAVY IND 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 11002276 A 20110320