Global Patent Index - EP 1457682 B1

EP 1457682 B1 20050810 - Centrifugal pump

Title (en)

Centrifugal pump

Title (de)

Kreiselpumpe

Title (fr)

Pompe centrifuge

Publication

EP 1457682 B1 20050810 (DE)

Application

EP 03027121 A 20031126

Priority

DE 10307883 A 20030225

Abstract (en)

[origin: EP1457682A1] The pump has a motor-wheel (1) with a suction face on which process fluid is axially supplied. A circular coaxial cover disk (4) covers the shovels (3) on the suction face, with an external shovel (8) on the disk forming a gap (7) with the pump housing inner wall (6) so that part of the conveyed liquid flows back to the suction face.

IPC 1-7

F04D 29/22

IPC 8 full level

F04D 13/04 (2006.01); F04D 29/22 (2006.01)

CPC (source: EP)

F04D 13/043 (2013.01); F04D 29/167 (2013.01); F04D 29/2261 (2013.01)

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

EP 1457682 A1 20040915; EP 1457682 B1 20050810; DE 10307883 A1 20040902; DE 50300951 D1 20050915

DOCDB simple family (application)

EP 03027121 A 20031126; DE 10307883 A 20030225; DE 50300951 T 20031126