Nozzle assembly for spray guns

Details Nozzle assembly for spray guns Nozzle assembly for spray guns

1988-02-23

1989-06-27

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Electrostatic type

With fluid entrainment

239706, 239708, 239291, 239296, 239299, B05B 500

Patent

active

048422037

ABSTRACT:
The nozzle assembly of an electrostatic spray gun has an adapter which is made of an electrically insulating material and has a front surface facing in the direction of propagation of material issuing from the orifice of the nozzle. The adapter has a frustoconical extension which surrounds the orifice and whose external surface defines with the front surface of the adapter an annular space for the tips of electrodes which ionize air flowing toward the spray of material that issues from the orifice. The locations of the tips of electrodes (preferably very close to the front surface of the adapter) and the inclination of the external surface of the frustoconical extension determine the location of contact of ionized air with the spray. The tips of the electrodes are shielded from mechanical damage by being located in the annular space.

REFERENCES:
patent: 3583632 (1971-06-01), Shaffer et al.
patent: 3659787 (1972-05-01), Ito
patent: 3764068 (1973-10-01), Lacchia
patent: 3907202 (1975-09-01), Binoche
patent: 4055300 (1977-10-01), Binoche
patent: 4236674 (1980-12-01), Dixon
patent: 4245784 (1981-01-01), Garcin
patent: 4258885 (1981-03-01), Legeza
patent: 4497447 (1985-02-01), Mommsen
patent: 4713257 (1987-12-01), Luttermoller

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