Portable vacuum toilet system

Details Portable vacuum toilet system Portable vacuum toilet system

E - Fixed Constructions

03

D

E03D 11/10 (2006.01) E03D 5/00 (2006.01) E03F 1/00 (2006.01)

Patent

CA 2132620

2132620 9417255 PCTABS00033 A compact, self-contained, portable vacuum toilet system (10) is disclosed having a sump (16) for collecting waste liquids by gravity from a toilet (14). A differential pressure operated discharge valve (40) is located in a conduit (38) which connects the sump (16) with a vacuum collection tank (32) for withdrawal of waste liquids during a transport cycle. A differential pressure operated sensor valve (48) and a controller valve (50) regulate operation of the discharge valve (40) in response to a hydrostatic pressure condition inside the sump (16). The sensor valve (48) communicates with sump (16) via sensor pipe (44) and with the controller valve (50) via hose (51). The toilet (14) includes a push button (20) for adding water to the toilet bowl during and immediately after a flush cycle. A sink (26) having its own push button operated valve may also be provided.

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