EP 3667090 B1 20210707 - PUMP ASSEMBLY
Title (en)
PUMP ASSEMBLY
Title (de)
PUMPENANORDNUNG
Title (fr)
ENSEMBLE DE POMPE
Publication
Application
Priority
EP 18212323 A 20181213
Abstract (en)
[origin: EP3667090A1] 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),- 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) comprising a bearing retainer flange (43) and embracing the first radial bearing ring (47).The rotor can flange (63) comprises a stop surface (79) facing away from the impeller (12), wherein the bearing retainer (41) is resiliently springloaded for biasing the stop surface (79) of the rotor can flange (63) axially away from the impeller (12) against a locking ring (85).
IPC 8 full level
F04D 13/06 (2006.01); F04D 29/42 (2006.01); F04D 29/62 (2006.01)
CPC (source: CN EP)
F04D 13/06 (2013.01 - CN); F04D 13/0626 (2013.01 - EP); F04D 13/0633 (2013.01 - EP); F04D 29/426 (2013.01 - CN EP); F04D 29/628 (2013.01 - CN EP)
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 3667090 A1 20200617; EP 3667090 B1 20210707; CN 111322244 A 20200623; CN 111322244 B 20210831
DOCDB simple family (application)
EP 18212323 A 20181213; CN 201911281271 A 20191213