Calorimeter MOTOR FUEL FLOW meter WITH HIGH PRECISION of MEASUREMENT

摘要

The invention relates to measuring technique. Calorimetric motor fuel flow meter with increased measurement precision includes a temperature control unit, a tube with a direct stream of fuel and connected in series subtraction block, logarithm block, linear approximation block and block for calculation of fuel consumption. In the tube with direct fuel flow an inlet direct fuel flow heater is placed, thermo-transformer of direct fuel flow and direct fuel flow heater, at the different sides of which there are two groups of thermo-transformers of direct fuel flow. In the tube with reverse fuel flow an input reverse fuel flow heater is placed, thermo-transformer of return fuel flow and return fuel flow heater, at opposite sides of that two groups of reverse fuel flow thermo-transformers are placed. The same inputs of groups of thermo-transformers of direct fuel flow and groups thermo-transformers of reverse fuel flow are connected in pairs to the inputs of the subtraction unit. The outputs of the temperature control unit are connected to the inputs of the direct fuel flow input heater and reverse fuel flow input heater. The inputs of the temperature control unit are connected to the outputs of the thermo-transformer of the direct fuel and the thermo-transformer of the reverse fuel flow. The output of the fuel consumption calculating block is the output of the entire device. The technical result of the invention is in increase of accuracy of fuel flow measurement, in particular consumption of fuel of alternative raw material.