DEVICE FOR MEASUREMENT OF FLUID FLOW Russian patent published in 2017 - IPC G01F1/06 

FIELD: measuring equipment.

SUBSTANCE: liquid flow measuring device comprises a body having an inlet and an outlet, an impeller mounted on located in a cavity shaft housing, the longitudinal axis of which is perpendicular to liquid flow and is rigidly fixed thereto magnet counting reed switch cooperating with a magnet and bonded via computer a liquid crystal display device, the control unit, and the charging unit comprising serially coupled an antenna oscillating circuit, rectifier and stabiliser tense I, wherein the control unit is connected to the output of the computing device. New device for measuring fluid flow is that it is further provided with a timer, the data block, the switching device provided with capacitors, a first input coupled to the second output of the computing device, and the first, second and third outputs, respectively, - the second inputs of the computing device, control unit and a liquid crystal display, wherein the charge stabiliser unit output is connected to the second input of the switching device and the third input of the computing device, wherein the control unit output associated with the input data block, and the timer connected to a fourth input of the computing device.

EFFECT: eliminating the need for periodic maintenance, associated with the replacement of a chemical source of electrical energy.

1 dwg