发明名称 VACUUM SYSTEM
摘要 The invention relates to a method for transporting sewage in a vacuum sys- tem, which comprises a source (2) of sewage, which through sewer piping (1) is connected to a collecting or discharge space (15) for sewage, and means (4,5) for generating vacuum in the sewer piping (1). In order to attain a reliably operating system the method employs a rotary lobe pump (4,5) for generating vacuum, transported through the rotary lobe pump (4,5) to the collecting or discharge space (15) for sewage. The rotary lobe pump can also be used for emptying the collecting space.
申请公布号 CA2350421(A1) 申请公布日期 2002.01.10
申请号 CA20012350421 申请日期 2001.06.14
申请人 EVAC INTERNATIONAL OY 发明人 NASKI, TOMMI;HYVARINEN, JOUNI
分类号 E03F5/22;E03F1/00;(IPC1-7):E03F1/00 主分类号 E03F5/22
代理机构 代理人
主权项
地址