Global Patent Index - EP 1767786 A1

EP 1767786 A1 20070328 - Submersible pump assembly

Title (en)

Submersible pump assembly

Title (de)

Tauchpumpenaggregat

Title (fr)

Unité de pompe submersible

Publication

EP 1767786 A1 20070328 (DE)

Application

EP 05020866 A 20050924

Priority

EP 05020866 A 20050924

Abstract (en)

The immersion pump unit has a wet-running electric motor (11). there is only one pump wheel (8), which can be driven by the electric motor at more than 20,000 rpm. The rotor (12) of the electric motor has a diameter of less than 25 mm. The pump wheel may be sealed axially in the region of the induction inlet (48).

IPC 8 full level

F04D 13/08 (2006.01); F04D 13/06 (2006.01)

CPC (source: EP US)

F04D 13/0626 (2013.01 - EP US); F04D 13/0633 (2013.01 - EP US); F04D 13/10 (2013.01 - EP US)

Citation (applicant)

Citation (search report)

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

Designated extension state (EPC)

AL BA HR MK YU

DOCDB simple family (publication)

EP 1767786 A1 20070328; EP 1767786 B1 20100602; AT E470075 T1 20100615; CN 101273202 A 20080924; CN 101273202 B 20130424; DE 502005009681 D1 20100715; US 2009010783 A1 20090108; US 8262369 B2 20120911; WO 2007033726 A1 20070329

DOCDB simple family (application)

EP 05020866 A 20050924; AT 05020866 T 20050924; CN 200680035089 A 20060803; DE 502005009681 T 20050924; EP 2006007671 W 20060803; US 6787506 A 20060803