Patent ID: 6536055
Filing Date: 2003-03-25
Classification: E03D,E03F,Y10T

Abstract:
A modular vacuum toilet for use in a vacuum toilet system having a sewer line placeable under partial vacuum pressure and a source of rinse fluid, the modular vacuum toilet comprising:a support structure; a removable bowl supported by the support structure, the bowl defining an outlet and having a rinse fluid dispenser associated therewith, the bowl defining a first line replaceable unit; a valve set module defining a second line replaceable unit, the valve set module including: a discharge valve having an inlet in fluid communication with the bowl outlet, an outlet in fluid communication with the sewer line, and a movable discharge valve member disposed between the discharge valve inlet and outlet; a rinse fluid valve having an inlet in fluid communication with the source of rinse fluid, an outlet in fluid communication with the rinse fluid dispenser, and a movable rinse fluid valve member disposed between the rinse fluid valve inlet and outlet; and a flush control unit having a circuit board operably connected to the discharge valve and rinse fluid valve for controlling actuation of the discharge valve member and rinse fluid valve member; wherein the first line replaceable unit is independently replaceable from the toilet and the second line replaceable unit; and wherein the second line replaceable unit is independently replaceable from the toilet and the first line replaceable unit.