FLUID DISPENSER Russian patent published in 2011 - IPC G01F13/00 

FIELD: instrument making.

SUBSTANCE: fluid dispenser comprises a feeder tank, on the cover of which at the inner side there is a dose setter made in the form of a non-magnet pipe with working fluid and a magnetically controlled contact placed in it, rigidly connected with a float, an air check valve installed in the feeder tank cover, a mechanism of fluid supply connected to the feeder tank via a valve and directly to the intermediate reservoir, a mechanism of fluid supply connected to the feeder tank via a valve, an additional magnetically controlled contact arranged on the external surface of the feeder tank, a non-magnet partition, inside which there is float with a magnet as capable of displacement, and a scale on the outer surface of the feeder tank, at the same time the dose setter is arranged as tight, is partially filled with working fluid, and its cavity above the float is vacuumised, the non-magnet partition for direction of travel of the float with the magnet in the feeder tank is the side surface of the non-magnet pipe of the dose setter, an additional tube-plate radiator is tightly connected to a non-magnet pipe, which is arranged in the lower part of the feeder tank volume.

EFFECT: improved accuracy of fluid dispensing.

1 dwg