Global Patent Index - EP 0618368 B1

EP 0618368 B1 19960424 - Radial centrifugal pump

Title (en)

Radial centrifugal pump

Title (de)

Radialkreiselpumpe

Title (fr)

Pompe centrifuge radiale

Publication

EP 0618368 B1 19960424 (DE)

Application

EP 94102697 A 19940223

Priority

DE 4309479 A 19930324

Abstract (en)

[origin: EP0618368A1] The invention relates to a radial-flow centrifugal pump having a bladed impeller which, on its circumference, is surrounded by fixed guide vanes (diffuser blades), wherein - one or two guide vanes, with their leading, inner vane edge are situated close to the impeller and the gap between the leading inner vane edge and the impeller is up to 4 mm, preferably 2 mm, - and the gap between the leading vane edges of the remaining guide vanes and the impeller circumference is at least double the gap (b) of the proximal guide vanes (n). <IMAGE>

IPC 1-7

F04D 29/44

IPC 8 full level

F04D 29/44 (2006.01)

CPC (source: EP)

F04D 29/448 (2013.01); F05D 2250/52 (2013.01)

Designated contracting state (EPC)

DE ES FR IT PT

DOCDB simple family (publication)

DE 4309479 A1 19940929; DE 59400226 D1 19960530; EP 0618368 A1 19941005; EP 0618368 B1 19960424; ES 2086974 T3 19960701

DOCDB simple family (application)

DE 4309479 A 19930324; DE 59400226 T 19940223; EP 94102697 A 19940223; ES 94102697 T 19940223