Spreader application rate monitoring device

Details Spreader application rate monitoring device Spreader application rate monitoring device

1978-04-24

1979-12-11

Yasich, Daniel M.

Measuring and testing

Volume or rate of flow

Combined

239156, B05B 1200, G01F 1506

Patent

active

041776755

ABSTRACT:
A spreader application monitoring device to determine and display the volume of liquid or granular material applied per unit area of ground by mobile application equipment is described. The device includes a first measuring means which generates an area electrical pulse signal having a frequency proportional to the rate at which the application equipment covers i.e., traverses a unit of area, and a second measuring means which generates a volume electrical pulse signal having a frequency proportional to the rate of application of the material. A frequency multiplying means operates on the electrical pulses of the second measuring means, a pulse counting means being connected to the output of the frequency multiplying means and the first measuring means for accumulating the electrical pulses from the frequency multiplying means for a period of time determined by the first measuring means and corresponding to the time required by said application equipment to cover a unit of area. Display means indicates the above accumulated value of pulses which is a measure of the volume of material applied per unit area.

REFERENCES:
patent: 3249713 (1961-07-01), Briggs
patent: 3782634 (1974-01-01), Herman
patent: 4023020 (1977-05-01), Lestradet
patent: 4052003 (1977-10-01), Steffen

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