VACUUM DRAINING SYSTEM, PARTICULARLY FOR A RAILWAY CAR

摘要

The system includes means 5, 6, 12 for passing the wastewater through a transfer pipe 2 leading to an intermediate receiving chamber 13, emptied intermittently in a collecting tank 4. /P P The system is designed to serve a reduced number of stations producing waste water, and preferably to serve a single bowl 1 usable at a time. The length of the transfer line 2 is relatively reduced, and the auxiliary devices are arranged so as to create a vacuum in this line 2 only for the time necessary for the displacement of each separate dose of wastewater. /P P Application to sanitary stations on railway cars with a compressed air circuit 6 and a limited water reserve 7.