Ignition and fire suppressor

Details Ignition and fire suppressor Ignition and fire suppressor

1986-04-14

1987-08-25

Kashnikow, Andres

Fire extinguishers

Special applications

Condition responsive control

239691, A62C 3704

Patent

active

046886443

ABSTRACT:
An ignition and fire suppressing system for an electrostatic sprayer of the type having a high voltage supply for creating an electrostatic charge and a nozzle in flow communication with a pressurized coating material source and a pressurized atomizing gas source. The system includes a high voltage arc-detecting circuit for sensing the presence of an ionizing arc or spark and for disabling the high voltage supply to the sprayer; a pressurized non-ignitable fire suppressing gas source in flow communication with the sprayer nozzle; and solenoid valves connected between the sprayer nozzle and the coating material, atomizing gas and fire suppressing gas sources which are actuated by an output from the arc-detecting circuit.

REFERENCES:
patent: 2626589 (1953-01-01), Lamm
patent: 3795839 (1974-05-01), Walberg
patent: 3809955 (1974-05-01), Parson
patent: 3875892 (1975-04-01), Gregg
patent: 3894272 (1975-07-01), Bentley
patent: 4075677 (1978-02-01), Bentley
patent: 4402030 (1983-08-01), Moser et al.

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