Pressure equalizer for use in feeders of ceramic enamels or pain

Details Pressure equalizer for use in feeders of ceramic enamels or pain Pressure equalizer for use in feeders of ceramic enamels or pain

1986-10-27

1988-02-23

Freeh, William L.

Fluid sprinkling, spraying, and diffusing

Including valve means in flow line

Movable terminal flow member controls valve

239587, 417 46, B05B 130, F04B 4900

Patent

active

047265280

ABSTRACT:
This invention relates to a pressure equalizer for use in a feeder designed to feed ceramic enamel, or paint in general, to a spray gun of an automatic type in general, and in particular to a spray gun associated with an enamelling or painting robot. The feeder is of the type utilizing an air-operated pump and the pressure equalizer is mounted close to the spray gun. The pressure equalizer includes a pressure sensing element for sensing the pressure at which enamel or paint is fed to a spray gun, the sensing element applying the pressure changes to a throttling member which is fitted in the line supplying compressed air to the air-operated pump so as to ensure that a controlled constant flow of enamel or paint is fed to the associated spray gun for any working position thereof.

REFERENCES:
patent: 2699120 (1985-01-01), Schweisthal
patent: 2765804 (1956-10-01), Dinkelkamp
patent: 3429274 (1969-02-01), Nilsson
patent: 3749527 (1973-07-01), Slagle
patent: 3816025 (1974-06-01), O'Neill
patent: 4532148 (1985-07-01), Vecello
patent: 4544328 (1985-10-01), Credle
patent: 4613082 (1986-09-01), Gimple

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