FLUSH TANK Russian patent published in 2015 - IPC E03D1/34 

FIELD: construction.

SUBSTANCE: tank represents a body, where there is a stop body made as capable of interaction with a driving mechanism. The tank comprises a flushing sealing elastic corrugated pipe made in the lower part jointly with a lock bushing of the flush tank for tight connection with the output hole of the flush tank and also made in the upper part jointly with two floats. Floats are made as joint with a U-shaped driving pusher. The gap between floats includes a lever of a water supply valve with the possibility to stop water supply into the flush tank in case of floats floating above surface of water that filled the flush tank, and to open a new portion of water into the flush tank with forcedly submerged floats.

EFFECT: elimination of water leaks in process of long-term operation.