发明名称 Vacuum sewer system
摘要 Disclosed is a sewer system including a sewage receptacle, sewer piping connected to the sewage receptacle by means of a discharge valve, a mechanism 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 device in direct fluid communication with the discharge valve. The control mechanism is arranged to control the aeration device. Also disclosed is a discharge valve (2) for such a vacuum sewer system.
申请公布号 US7770241(B2) 申请公布日期 2010.08.10
申请号 US20070704845 申请日期 2007.02.09
申请人 EVAC INTERNATIONAL OY 发明人 LAPPALAINEN VESA;LINDROOS GUNNAR;RONNBLAD KAJ
分类号 E03D11/00 主分类号 E03D11/00
代理机构 代理人
主权项
地址