Voltage control

Details Voltage control Voltage control

1974-07-26

1976-12-28

Pellinen, A. D.

317 9D, 317 33VR, 321 14, 321 15, B05B 502

Patent

active

040004430

ABSTRACT:
In operation of an electrostatic spray gun through a low-valued series resistor, a circuit is employed providing voltage regulation to maintain the ionization current substantially constant. This is achieved through a feedback loop providing negative feedback to a voltage regulator so that as the current tends to increase, the voltage is reduced. The circuit provides an oscillator driven amplifier feeding a voltage rectifier and multiplier to drive the gun; the voltage regulator controlling the voltage output of the amplifier and thereby of the gun.

REFERENCES:
patent: 3280374 (1966-10-01), McCartney et al.
patent: 3327199 (1967-06-01), Gardner et al.
patent: 3337787 (1967-08-01), Joseph
patent: 3533010 (1970-10-01), Bowles
patent: 3544844 (1970-12-01), Pellegrino
patent: 3564384 (1971-02-01), Adler
patent: 3693043 (1972-09-01), Wedham
patent: 3702434 (1972-11-01), Ryan
patent: 3840797 (1974-10-01), Aggen et al.
patent: 3872370 (1975-03-01), Regnault
patent: 3893006 (1975-07-01), Algeri et al.

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