Method and apparatus for sensing clogged nozzle

Details Method and apparatus for sensing clogged nozzle Method and apparatus for sensing clogged nozzle

1982-01-15

1984-02-14

Goldstein, Herbert

Measuring and testing

With fluid pressure

Dimension, shape, or size

73168, 239 71, 239525, G01B 1300

Patent

active

044308868

ABSTRACT:
A method and apparatus for sensing and signaling a clogged nozzle condition in a spray gun of the type which includes a valve located adjacent the nozzle. The gun includes a restrictor located in the liquid flow path upstream of the valve and a pressure transducer located between the restrictor and the valve for measuring pressure drop when the valve of the gun is opened. A pressure drop of less than a predetermined amount is indicative of a clogged nozzle condition.

REFERENCES:
patent: 1288363 (1918-12-01), Young
patent: 3268092 (1966-11-01), Laza
patent: 3482781 (1969-12-01), Sharpe
patent: 4103534 (1969-08-01), Hoof
patent: 4117717 (1978-10-01), Isley

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