FLOW SWITCHING DEVICE Russian patent published in 2013 - IPC F15B13/02 

FIELD: machine building.

SUBSTANCE: flow switching device includes a pneumatic cylinder with its pneumatic distributor, a duct with two sleeves, a partition wall inside the duct and an axle on which a lever is fixed. Pneumatic cylinder is provided with two stocks, and housing of pneumatic cylinder is installed on the duct; the axle passes through the duct walls along the boundary line of sleeves with possibility of being turned. Partition wall is fixed on the axle; at that, the first stock of pneumatic cylinder is connected through a lever system to the axle. On the duct coaxially to the second stock of pneumatic cylinder there installed is an optocoupler for signal supply to the beginning and end of time marking of liquid filling to a gauging tank or to a weight reservoir.

EFFECT: improved quick action and provision of equal water flow switching time.

1 dwg