Fluid sprinkling – spraying – and diffusing – Electrostatic type – With impeller
Patent
1986-01-22
1988-09-20
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Electrostatic type
With impeller
B05B 504
Patent
active
047719494
ABSTRACT:
An electrostatic spray coating assembly (10) for atomizing electrically conductive material comprises a rotary atomizer spray head (12) having an annular atomizing spraying edge (14). An external housing (22) supports the spray head (12) and a feed line (18) supplies the material from a supply system to the spraying edge (14) of the spray head (12). The feed line (18) and the material supplied thereby and the spray head (12) are electrically grounded. Three needle-shaped charging electrodes (36) are in spaced relationship circumferentially at uniform angular intervals with respect to the spray head (12). The charging electrodes (36) are connected to a source of high voltage potential for producing an electrical field charging the conductive material. The charging electrodes (36) are positioned from the spraying edge (14) of the spray head (12) a predetermined radial distance (R) at least twice the diameter (d) of the spraying edge (14) of the spray head (12).
REFERENCES:
patent: 2960273 (1960-11-01), Croskey et al.
patent: 3393662 (1968-07-01), Blackwell
patent: 3408985 (1968-11-01), Sedlacsik, Jr.
patent: 4555058 (1985-11-01), Weinstein et al.
patent: 4589597 (1986-05-01), Robisch et al.
Behr Hans
Luderer Fred
Schneider Rolf
Vetter Kurt
Hermann Behr & Sohn GmbH & Co.
Kashnikow Andres
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