Rotary type electrostatic spray painting device

Details Rotary type electrostatic spray painting device Rotary type electrostatic spray painting device

1981-09-15

1984-08-28

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Electrostatic type

With impeller

308 10, B05B 504

Patent

active

044679688

ABSTRACT:
A rotary type electrostatic spray painting device comprising a rotary shaft and a spray cup-shaped head fixed onto the front end of the rotary shaft. Paint is fed onto a cup-shaped inner wall of the spray head. The rotary shaft is supported by a single thrust air bearing, a pair of radial air bearings, and a non-contact type rotary shaft supporting device having a permanent magnet. The permanent magnet is arranged near a circumferential outer wall of a hollow portion of the rotary shaft for supporting the rotary shaft by the attracting force of the permanent magnet. An electrode, continuously contacting the rear end of the rotary shaft, is provided. A negative high voltage is applied to the housing of the paint device. In addition, the negative high voltage is also applied to the spray head via the electrode and the rotary shaft.

REFERENCES:
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patent: 3063642 (1962-11-01), Point
patent: 3083911 (1963-04-01), Griffiths
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patent: 4148932 (1979-04-01), Tada et al.
patent: 4378091 (1983-03-01), Morishita et al.

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