Patent ID: 6189161
Filing Date: 2001-02-20
Classification: B60R,E03D,F16K

Abstract:
A vent assembly for a self-contained sanitary system of the type including a toilet with a downwardly directed outlet opening and a storage compartment defined and located below said outlet opening, a waste holding tank removably disposed within said storage compartment, said tank having a fill opening positioned in registry with said outlet opening when said tank is inserted horizontally into said storage compartment, a valve assembly being operable to close said fill opening in said holding tank thereby preventing the leakage of waste from said tank through said fill opening, during removal of said tank from said compartment, said vent assembly comprising:a vent passage adapted for placement in said storage compartment and for communicating with said waste holding tank, said vent passage, in use, extending outside of said compartment thereby enabling noxious and odorous air in said holding tank to pass out of said tank, a valve adapted for connection with said holding tank and operable to close said passage when the holding tank is removed from said compartment, and means operable in response to return of the holding tank to open said valve when the holding tank fill opening is in alignment with said outlet opening.