PLUMBING FIXTURES OF A TOILET Russian patent published in 1996 - IPC

FIELD: sanitary engineering. SUBSTANCE: plumbing fixtures of a toilet include toilet bowl, toilet bowl seat, flush tank, device to fill up the flush tank with water positioned in the tank, and drain valve. Suction ventilation ducts being an extension of each other are originated in both toilet bowl and flush tank. In so doing lower end of toilet bowl duct is open to toilet bowl, and upper end of flush tank duct is placed in upper portion of the tank space. Outlet venting ducts are originated in the toilet bowl and flush tank. Upper end of tank duct is open to upper portion of tank space, and lower end of toilet bowl is open to water gate. The flush tank is sealed with a gasket. Upper end of tank suction duct is covered with a valve being controlled through additional level-float device, that includes two-arm lever, rod being hung from the lever, and two-part float put on the rod so as to be moved along the rod at a preset friction force. Outlet waterway of the toilet bowl is provided with subsidiary through passage inclined to horizon. EFFECT: high reliability. 1 dwg