Global Patent Index - EP 1121533 A1

EP 1121533 A1 20010808 - LIQUID RING PUMP

Title (en)

LIQUID RING PUMP

Title (de)

FLÜSSIGKEITSRINGPUMPE

Title (fr)

POMPE A ANNEAU FLUIDE

Publication

EP 1121533 A1 20010808 (DE)

Application

EP 99957891 A 19991012

Priority

  • DE 9903279 W 19991012
  • DE 19847681 A 19981015

Abstract (en)

[origin: WO0023714A1] A liquid ring pump with a simple and compact design. The inventive pump has the following features: at least one housing (8) for a working area, whereby at least one running wheel circulates therein; a bearing for the shaft (7) of said running wheel (3) in the housing (8) for the working area; a drive mechanism for the running wheel (3) on an outer periphery (5).

IPC 1-7

F04C 19/00; F04C 29/00

IPC 8 full level

F04C 19/00 (2006.01); F04C 25/02 (2006.01); F04C 29/00 (2006.01)

CPC (source: EP KR US)

F04C 19/00 (2013.01 - EP KR US); F04C 29/005 (2013.01 - EP US)

Citation (search report)

See references of WO 0023714A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

WO 0023714 A1 20000427; CN 1323376 A 20011121; DE 19847681 C1 20000615; EP 1121533 A1 20010808; JP 2002527682 A 20020827; KR 20010080154 A 20010822; US 2001026759 A1 20011004; US 6497555 B2 20021224

DOCDB simple family (application)

DE 9903279 W 19991012; CN 99812226 A 19991012; DE 19847681 A 19981015; EP 99957891 A 19991012; JP 2000577412 A 19991012; KR 20017004686 A 20010413; US 82830901 A 20010406