Patent ID: 6370709
Filing Date: 2002-04-16
Classification: E03F,F16K,Y10T

Abstract:
A discharge valve for use with a vacuum toilet system having a waste receptacle defining an outlet and a sewer line placeable under partial vacuum, the discharge valve comprising:a housing, defining a flush valve inlet fluidly communicating with the waste receptacle outlet, a flush valve outlet fluidly communicating with the sewer line, an air intake valve inlet fluidly communicating with ambient air, and an air intake valve outlet fluidly communicating with the sewer line; and a rotatable valve member disposed in the housing and defining first and second apertures, the valve member having a closed position in which the valve member obstructs fluid communication between the flush inlet and flush outlet, and between the air intake valve inlet and air intake valve outlet, and an open position in which the first aperture establish fluid communication between the flush inlet and flush outlet, and the second aperture establish fluid communication between the air intake valve inlet and air intake valve outlet.