Electrostatic spray pistol

Details Electrostatic spray pistol Electrostatic spray pistol

1979-04-23

1981-09-01

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Electric charging of objects or materials

Particulate matter

239708, B05B 502

Patent

active

042875528

ABSTRACT:
An electrostatic hand-held spray gun with a body consisting of a barrel affixed at a selected angle to a handle. The barrel has a boring which terminates at an atomizer. The handle contains a boring which at a lower end terminates in a hose connection and at an upper end at a control valve. A second end of the barrel boring also terminates at the valve. The control valve is operable by a trigger rotatably affixed to the handle and controls the flow of color material through the boring in the barrel. A spray electrode is located adjacent the atomizer. A tubular trigger guard structure is located near the second end of the barrel in front of the trigger and is oriented at a selected angle with respect to the barrel. A high voltage cascade multiplier module and a step-up transformer module are removably mounted within the trigger guard. A low voltage cable brought into a lower end of the trigger guard provides power to drive the step-up transformer. The step-up transformer outputs an intermediate voltage, high frequency, signal to drive the high voltage multiplier circuitry. The output of the high voltage multiplier circuitry is connected by a conductor, through a current limiting resistor to the electrode adjacent the atomizer.

REFERENCES:
patent: 3599038 (1971-08-01), Skidmore
patent: 3608823 (1971-09-01), Buschor
patent: 3731145 (1973-05-01), Senay
patent: 4033506 (1977-07-01), Braun
patent: 4120016 (1978-10-01), Hendricks
patent: 4120017 (1978-10-01), Sickles
patent: 4139155 (1979-02-01), Hastings
patent: 4171098 (1979-10-01), Braun

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