A vacuum toilet system has an intermediate temporary storage tank and valve system so that the toilet bowl is never directly connected to the vacuum unit

摘要

The bowl (12) is supplied with flushing water (A1) through a valve (WV) as a second suction (30) valve (AV2) is opened to create a vacuum in the intermediate tank (13) to draw in the residue from the bowl when the first suction valve (AV1) is opened and a ventilation valve (BV3) is opened and (AV1) closed.