EP 1270832 A1 20030102 - Vacuum sewer system
Title (en)
Vacuum sewer system
Title (de)
Vakuumabwassersystem
Title (fr)
Système d'évacuation sous vide d'eaux usées
Publication
Application
Priority
FI 20011404 A 20010629
Abstract (en)
The invention relates to a vacuum sewer system comprising a source of sewage (2,3), a first sewer pipe (4), a sewage receptacle (6), and means (30) for generating vacuum in the sewage receptacle and first sewer pipe. In order to provide an integrated and self-sufficient means for generating vacuum, said means comprises a liquid ring pump (30) provided with an integrated water reservoir, whereby the air exhaust conduit (31) of said pump is provided with a water trap means (32), which is in fluid communication with the integrated water reservoir. <IMAGE>
IPC 1-7
IPC 8 full level
E03F 1/00 (2006.01); F04C 13/00 (2006.01); F04C 19/00 (2006.01)
CPC (source: EP)
E03F 1/006 (2013.01); F04C 13/00 (2013.01); F04C 19/001 (2013.01); F04C 19/004 (2013.01)
Citation (search report)
- [DY] EP 0644299 A2 19950322 - EVAC AB [SE]
- [Y] US 4692101 A 19870908 - FINK WERNER [DE], et al
- [Y] US 5133853 A 19920728 - MATTSSON ROLAND S [FI], et al
- [A] EP 0823553 A2 19980211 - SIEMENS AG [DE]
- [A] EP 0486726 A1 19920527 - SIEMENS AG [DE]
- [A] US 4963094 A 19901016 - MEYER ROBERT A [US]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
DOCDB simple family (publication)
EP 1270832 A1 20030102; FI 110537 B 20030214; FI 20011404 A 20021230
DOCDB simple family (application)
EP 02014563 A 20020701; FI 20011404 A 20010629