V NEPRIMEROV'S AUTOMATIC FLUID DISPENSER Russian patent published in 2013 - IPC G01F13/00 

FIELD: machine building.

SUBSTANCE: air valve is arranged at service tank cover opening. Total capacity (in litres) counter is arranged in discharge pipe. Service tank body is provided with electronic litre issue counter rigidly secured thereat. Litre pulse counter is arranged at service tank cover and reduced to average seasonal ambient temperature. Pipeline with counterweight is provided with counterweight travel limiter. Note here that pipeline bottom end is stopped by plug. Outer surface of pipeline top and bottom parts are provided with strips with holes arranged vertically opposite each other. Extra calibrated rods are fitted in said holes. Volume of displaced fluid, plates with holes and calibrated rods corresponds to fluid thermal expansion factor set for measured volume at preset average seasonal ambient temperature. Every rod corresponds to thermal expansion of fluid by 0.5 degrees Centigrade. Service tank volume may be cored with due allowance with seasonal temperature variations by increasing or decreasing the number of calibrated rods. Drum with zero mark is arranged in the body on axle. Point-type indicator is arranged opposite said drum at service tank cover. Replaceable roller with four permanent magnets is fitted on axle. Said roller and said drum are engaged by gears. Said permanent magnets can interact with second magnetically controlled contact electrically connected with pulse liter counter. Two marks are made at weight element for maximum fluid density for minus 50 degrees Centigrade and minimum fluid density for plus 40 degrees Centigrade. Fluid level warning device including float with magnet and float travel limiter are arranged above fluid surface. Note here that said magnet can get in contact with the first magnetically control contact. Extra tank with tube provided with check valve is arranged at service tank top section. Said tube is communicated with intake pipe.

EFFECT: proportioning of different-density fluids, higher accuracy.

1 dwg