EP 1767787 B1 20071031 - Submersible pump assembly
Title (en)
Submersible pump assembly
Title (de)
Pumpenaggregat
Title (fr)
Unité de pompe submersible
Publication
Application
Priority
EP 05020868 A 20050924
Abstract (en)
[origin: EP1767787A1] The pump motor stator (16) is enclosed in a sealed housing (18) with the impeller (8) shaft (12) mounted within a central housing (14) with radial bearings (20) and a seal (56) leaving the impeller in spiral housing (6) having inlet holes (62) and an outlet (48) with a back pressure valve (4).
IPC 8 full level
F04D 13/08 (2006.01); F04D 13/06 (2006.01); F04D 29/04 (2006.01)
CPC (source: EP US)
F04D 13/0626 (2013.01 - EP US); F04D 13/0633 (2013.01 - EP US); F04D 13/086 (2013.01 - EP US); F04D 29/0413 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1767787 A1 20070328; EP 1767787 B1 20071031; EP 1767787 B2 20161026; AT E377152 T1 20071115; CN 101273201 A 20080924; CN 101273201 B 20130424; DE 502005001847 D1 20071213; US 2009035161 A1 20090205; US 8333575 B2 20121218; WO 2007033817 A1 20070329
DOCDB simple family (application)
EP 05020868 A 20050924; AT 05020868 T 20050924; CN 200680035069 A 20060920; DE 502005001847 T 20050924; EP 2006009113 W 20060920; US 6786806 A 20060920