EP 1600638 A1 20051130 - Two-stage fluid ring pump
Title (en)
Two-stage fluid ring pump
Title (de)
Zweistufige Flüssigkeitsringvakuumpumpe
Title (fr)
Pompe à anneau liquide à deux étages
Publication
Application
Priority
EP 04012597 A 20040527
Abstract (en)
The two-stage fluid vacuum pump has a vacuum housing (11) with suction (4) and pressure (8) connections. The housing is located between the working zones of the two stages. The control disks (3,7) for the two working zones are at opposite ends of the vacuum housing.
Abstract (de)
Zweistufige Flüssigkeitsringvakuumpumpe mit einem Vakuumgehäuse (11), welches Saugstutzen (4) und Druckstutzen (8) beinhaltet und zwischen dem Arbeitsraum der ersten Stufe (13) und dem Arbeitsraum der zweiten Stufe (14) angeordnet ist. <IMAGE>
IPC 1-7
IPC 8 full level
F01C 21/10 (2006.01); F04C 19/00 (2006.01); F04C 23/00 (2006.01)
CPC (source: EP)
F04C 19/007 (2013.01); F04C 23/001 (2013.01)
Citation (search report)
- [XY] GB 377476 A 19320728 - DRYSDALE & CO LTD, et al
- [X] DE 969945 C 19580731 - SIEMENS AG
- [Y] DE 4123938 A1 19930121 - GUGEL FRIEDRICH [DE]
- [DA] DE 20200839 U1 20030528 - SPECK PUMPENFABRIK WALTER SPEC [DE]
- [A] US 4093397 A 19780606 - LOVELADY GRADY R
- [X] PATENT ABSTRACTS OF JAPAN vol. 006, no. 069 (M - 125) 30 April 1982 (1982-04-30)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
DOCDB simple family (application)
EP 04012597 A 20040527