发明名称 VACUUM SEWER SYSTEM
摘要 <p>A sewer system comprising a sewage receptacle, sewer piping connected to the sewage receptacle by means of a discharge valve, a vacuum generating means for generating vacuum in the sewer piping, and a control mechanism for controlling the discharge valve. In order to achieve a more rapid closing of the discharge valve after discharge of the sewage from the sewage receptacle, the vacuum sewer system further comprises an aeration means in direct fluid communication with the discharge valve. The control mechanism is arranged to control the aeration means. The present invention also relates to a discharge valve for such a vacuum sewer system.</p>
申请公布号 CA2578675(C) 申请公布日期 2013.10.01
申请号 CA20072578675 申请日期 2007.02.13
申请人 EVAC INTERNATIONAL OY 发明人 LAPPALAINEN, VESA;LINDROOS, GUNNAR;ROENNBLAD, KAJ
分类号 E03F1/00;E03D5/00 主分类号 E03F1/00
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