Global Patent Index - EP 2535591 B1

EP 2535591 B1 20140423 - Centrifugal pump

Title (en)

Centrifugal pump

Title (de)

Kreiselpumpe

Title (fr)

Pompe centrifuge

Publication

EP 2535591 B1 20140423 (DE)

Application

EP 11004859 A 20110615

Priority

EP 11004859 A 20110615

Abstract (en)

[origin: EP2535591A1] The pump has a fixed seal ring (16) sealingly connected with an impeller (12), and resting against a wall (18) of a housing that surrounds the impeller. The sealing ring surrounds an inlet opening (20) in the wall and is fixed in a radial direction by two projections formed on the wall. The projections are engaged with recesses (26) that are formed at an outer peripheral part of the seal ring. The projections are designed as threaded pins or threaded sleeves (22), and the recesses are formed parallel to a central axis (X) of the seal ring.

IPC 8 full level

F04D 29/16 (2006.01)

CPC (source: EP)

F04D 29/167 (2013.01)

Citation (examination)

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 2535591 A1 20121219; EP 2535591 B1 20140423

DOCDB simple family (application)

EP 11004859 A 20110615