E - Fixed Constructions – 03 – F
Patent
E - Fixed Constructions
03
F
E03F 3/00 (2006.01)
Patent
CA 2572273
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 pip- ing, a control mechanism (5) for controlling the discharge valve, and a vacuum buffer means. In order to provide a small volume vacuum buffer means that may provide a timely raising of the vacuum level available for the control mechanism (5), the vacuum buffer means comprises an active buffer device (10) in fluid com- munication with the control mechanism (5) and the sewer piping (3).
Lappalainen Vesa
Lindroos Gunnar
Ylaenen Teemu
Evac International Oy
Kirby Eades Gale Baker
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