Spray sensing system

Details Spray sensing system Spray sensing system

1977-01-04

1978-04-18

Love, John J.

Fluid sprinkling, spraying, and diffusing

With signals, indicators, recorders, meters or changeable...

With spray material quantity or flow indicating means

B05B 1700

Patent

active

040847489

ABSTRACT:
A system for sensing the flow of an electrically conductive liquid through a nozzle. The nozzle represents one side of an electrical sensing circuit. A conductive probe is positioned near the nozzle, so that it extends into the spray. The probe represents the second side of the electrical sensing circuit. The probe is mounted on a clamp positioned on the inside of a protective enclosure. The probe is the bottom of the enclosure. When liquid sprays from the nozzle, the sensing circuit is closed. A switch responds to this by illuminating an indicator lamp. If the liquid flow ceases, the signal circuit is opened, and the switch signals this occurrence. The switch is a transistor that operates a light emitting diode.

REFERENCES:
patent: 3355102 (1967-11-01), Gregory, Jr.
patent: 3493951 (1970-02-01), Hartka et al.
patent: 4023507 (1977-05-01), VAN DER Lely

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