FLUSHING-AND-DRAINING DEVICE FOR TOILET (VERSIONS) AND RUBBER GATE FOR FLUSHING-AND-DRAINING DEVICE Russian patent published in 2006 - IPC B61D35/00 E03D5/01 B60R15/04 

FIELD: railway transport; hygiene equipment of car.

SUBSTANCE: invention relates to hygiene equipment of ecologically clean toilets and it can be used in cars with water and power supply. Proposed flushing-and-draining device for toilet, according to three design versions, contains water-closet bowl, casing, outlet pipe, flushing device, diaphragm meter, check valve, service water tank, microprocessor, electrically controlled valves, flush button, diaphragm meter and cylinder, rubber discharge gate, liquid pump and suction and delivery pipelines. According to first and second design versions, devices are furnished with additional rubber discharge gate, water-closet bowl is made hinged, pump is connected to opposite liquid chambers of diaphragm cylinder and meter, and delivery pipeline is connected through electrically controlled valve to hydropneumatic chamber. In device according to second design version, hydropneumatic chamber is connected additionally through bypass pipeline and discharge electrically controlled valve to suction pipeline. In device according to third design version, water-closet bowl and casing are provided with rigidly connected and fixed flanges with detachable joint and hinge screw fasteners arranged on fixed flange and sealed by rubber flange of additional discharge gate. Rubber gate is made in form of cylindrical hose terminating in rubber flange made integral with hose used as unified seal in all flange joints of outlet pipe, and its end part is formed into arc of laminated section bending at evacuation of cylindrical part of hose.

EFFECT: simplified design, reduced consumption of energy for flushing and transportation of faces to receiving tank.

7 cl, 13 dwg