EP 3667092 B1 20210818 - PUMP ASSEMBLY
Title (en)
PUMP ASSEMBLY
Title (de)
PUMPENANORDNUNG
Title (fr)
ENSEMBLE DE POMPE
Publication
Application
Priority
EP 18212325 A 20181213
Abstract (en)
[origin: EP3667092A1] The present disclosure is directed to a pump assembly (1) comprising- a rotor axle (45) extending along a rotor axis (R),- an impeller (12) fixed to the rotor axle (45),- a pump housing (11) accommodating the impeller (12), wherein the pump housing (11) defines a first radial inner reference surface (71),- a drive motor comprising a stator (17) and a rotor (51), wherein the rotor (51) is fixed to the rotor axle (45) for driving the impeller (12),- a rotor can (57) accommodating the rotor (51), wherein the rotor can (57) comprises a rotor can flange (63),- a stator housing (13) accommodating the stator (17),- a first radial bearing ring (47) being in sliding contact with the rotor axle (45), and- a bearing retainer (41) embracing the first radial bearing ring (47) and centring the first radial bearing ring (47) with respect to the first radial inner reference surface (71) of the pump housing (11).The rotor can flange (63) has a radial distance to the pump housing (11) and the rotor can (57) comprises a radial inner centring surface (65) being centred by radially abutting against a radial outer centring surface (67) of the bearing retainer (41).
IPC 8 full level
F04D 13/06 (2006.01); F04D 29/42 (2006.01); F04D 29/62 (2006.01)
CPC (source: CN EP US)
F04D 13/0606 (2013.01 - CN US); F04D 13/0626 (2013.01 - EP US); F04D 13/0633 (2013.01 - EP US); F04D 13/064 (2013.01 - CN); F04D 25/06 (2013.01 - US); F04D 29/043 (2013.01 - US); F04D 29/046 (2013.01 - CN US); F04D 29/0462 (2013.01 - CN US); F04D 29/426 (2013.01 - CN EP US); F04D 29/628 (2013.01 - CN EP US)
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
DOCDB simple family (publication)
EP 3667092 A1 20200617; EP 3667092 B1 20210818; CN 111322248 A 20200623; US 2020191161 A1 20200618
DOCDB simple family (application)
EP 18212325 A 20181213; CN 201911284108 A 20191213; US 201916712054 A 20191212