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EP1840282

Vacuum sewer system

Filed
Feb 8, 2007
Technology
Other fields · Civil engineering
UPC cases
2
Ownership history
As recorded at the EPO. Transfers made after the opposition period are recorded in national registers and may be missing here.
  • Evac Oysince Mar 20, 2015
  • Evac International OyAug 31, 2007 – Mar 20, 2015
Abstract

The present invention relates to a sewer system comprising a sewage receptacle (1), sewer piping (3) connected to the sewage receptacle by means of a discharge valve (2), a vacuum generating means (4) for generating vacuum in the sewer piping, and a control mechanism (5) for controlling the discharge valve. In order to achieve a more rapid closing of the discharge valve (2) after discharge of the sewage from the sewage receptacle (1), the vacuum sewer system further comprises an aeration means (10) in direct fluid communication with the discharge valve (2). The control mechanism (5) is arranged to control the aeration means (10). The present invention also relates to a discharge valve (2) for such a vacuum sewer system.

Litigation history
DateCaseDivisionTypeOutcomeParties
Jun 22, 2026UPC CFI 811/2024Dusseldorf LDInfringementLockedEvac Oy +4

Additional proceedings on this patent

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