EP 3947976 C0 20230607 - THERMAL BARRIER
Title (en)
THERMAL BARRIER
Title (de)
WÄRMESPERRE
Title (fr)
BARRIÈRE THERMIQUE
Publication
Application
Priority
- DE 102019002392 A 20190402
- EP 2020055836 W 20200305
Abstract (en)
[origin: WO2020200624A1] The invention relates to a pump arrangement (1), in particular a magnetic clutch pump arrangement, comprising an inner chamber (11) formed by a housing arrangement (2), a separating can (10) which hermetically seals a chamber (12) enclosed by it with respect to the inner chamber (11) formed by the housing arrangement (2), an impeller shaft (13) that can be driven in rotation about an axis of rotation (A), an impeller (16) arranged on one end of the impeller shaft (13), an inner rotor (17) arranged on the other end of the impeller shaft (13), a drive device, a drive shaft (20) that can be driven in rotation about the axis of rotation (A) by the drive device, and an outer rotor (24) which is arranged on the drive shaft (20) and co-operates with the inner rotor (17), wherein the outer rotor (24) comprises a first carrier element (25) and a second carrier element (32) connected to the first carrier element (25), the first carrier element (25) comprising a thermal barrier device (37).
IPC 8 full level
F04D 13/02 (2006.01); F04D 29/58 (2006.01)
CPC (source: EP KR US)
F04D 13/02 (2013.01 - KR); F04D 13/024 (2013.01 - EP); F04D 13/026 (2013.01 - US); F04D 29/58 (2013.01 - US); F04D 29/5853 (2013.01 - EP KR); F04D 29/62 (2013.01 - 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
Participating member state (EPC – UP)
AT BE BG DE DK EE FI FR IT LT LU LV MT NL PT SE SI
DOCDB simple family (publication)
WO 2020200624 A1 20201008; CN 113614379 A 20211105; DE 102019002392 A1 20201008; EP 3947976 A1 20220209; EP 3947976 B1 20230607; EP 3947976 C0 20230607; KR 20210142126 A 20211124; US 11795971 B2 20231024; US 2022154730 A1 20220519
DOCDB simple family (application)
EP 2020055836 W 20200305; CN 202080026648 A 20200305; DE 102019002392 A 20190402; EP 20712218 A 20200305; KR 20217031772 A 20200305; US 202017594068 A 20200305