Global Patent Index - EP 0739452 B1

EP 0739452 B1 19981104 - SHEET-METAL CENTRIFUGAL PUMP IMPELLER WITH DISCHARGE APERTURES

Title (en)

SHEET-METAL CENTRIFUGAL PUMP IMPELLER WITH DISCHARGE APERTURES

Title (de)

MIT ENTLASTUNGSÖFFNUNGEN AUSGESTATTETES KREISELPUMPENLAUFRAD AUS BLECH

Title (fr)

ROUE MOBILE DE POMPE CENTRIFUGE EN TOLE AVEC ORIFICES DE DECHARGE

Publication

EP 0739452 B1 19981104 (DE)

Application

EP 95906291 A 19950104

Priority

  • DE 4400633 A 19940112
  • EP 9500016 W 19950104

Abstract (en)

[origin: DE4400633A1] The object of the invention is a sheet-metal centrifugal pump impeller (1) with discharge apertures in the cover disc (5) on the pressure side formed by an open pocket (6) made in the sheet metal of the cover disc (5), in which such a pocket (6) and its aperture (9) are formed in such a way as to direct the discharge flow (12) in approximately the same direction as the main flow (13).

IPC 1-7

F04D 29/22

IPC 8 full level

F04D 29/22 (2006.01)

CPC (source: EP)

F04D 29/2222 (2013.01); F04D 29/2266 (2013.01); F04D 29/2272 (2013.01)

Designated contracting state (EPC)

DE DK FR IT

DOCDB simple family (publication)

DE 4400633 A1 19950713; DE 59504143 D1 19981210; DK 0739452 T3 19990719; EP 0739452 A1 19961030; EP 0739452 B1 19981104; WO 9519503 A1 19950720

DOCDB simple family (application)

DE 4400633 A 19940112; DE 59504143 T 19950104; DK 95906291 T 19950104; EP 9500016 W 19950104; EP 95906291 A 19950104