Electrostatic resistive stud

Fluid sprinkling – spraying – and diffusing – Electrostatic type

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Details

B05B 502

Patent

active

047212551

ABSTRACT:
A fluid stud and resistor design for electrostatic spray guns has a fluid passage which is shaped like a cloverleaf in cross section. By providing this cross-sectional shape, the resistor is allowed to reside in one wall of the fluid stud and run, nearly, the complete length of the stud, thereby providing an increased effective resistor length, thus reducing flash-over and providing a smaller contact wire, thereby reducing capacitance. The design of the fluid needle and electrode is provided so as to reduce the length of the electrode wire, thereby reducing capacitance and allowing an increased diameter wire for increased durability.

REFERENCES:
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patent: 4235381 (1980-11-01), Vila
patent: 4241880 (1980-12-01), Hastings
patent: 4258885 (1981-03-01), Legeza
patent: 4335851 (1982-06-01), Hastings
patent: 4368852 (1983-01-01), Sharp et al.
patent: 4381081 (1983-04-01), Hastings
patent: 4478370 (1984-10-01), Hastings
patent: 4497447 (1985-02-01), Mommsen

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