Field sprayer nozzle pattern monitor

Details Field sprayer nozzle pattern monitor Field sprayer nozzle pattern monitor

1988-06-17

1990-03-06

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Processes

7386118, 239 72, 239172, 239391, 340606, 340608, B05B 900, B05B 1500

Patent

active

049058975

ABSTRACT:
A field sprayer nozzle monitor comprises a sensor head in the form of an L-shaped horn device which is clamped onto the nozzle cap by way of a slot which receives the fin of the nozzle cap. The horn includes a mouth which receives sound from the spray nozzle and transmits it to a microphone protected with the horn. A central processor unit receives signals from each of the sensors in turn and processes those to compare with a predetermined calibration signal to determine which nozzles are blocked or faulty. The selection between two different frequencies can be made for different nozzle types. A dynamic averaging system is used to accommodate changes which take place at all nozzles which are independent of fault at the nozzle.

REFERENCES:
patent: 2153254 (1939-04-01), Johnston et al.
patent: 2698929 (1955-01-01), Greacen et al.
patent: 3580092 (1971-05-01), Scarpa
patent: 3990292 (1976-11-01), Stern
patent: 4193356 (1980-03-01), Vehe
patent: 4197995 (1980-04-01), Campbell et al.
patent: 4569227 (1986-02-01), Adolph
Brochure-Century Electronic Nozzle.

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