Rotary type electrostatic spray painting device

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

1981-01-29

1983-03-01

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Electrostatic type

With impeller

239223, 384107, B05B 504, F16C 2700, F16C 3206

Patent

active

043752772

ABSTRACT:
A rotary type electrostatic spray painting device is provided with a metallic rotary shaft and a spray head fixed onto the front end of the metallic rotary shaft. Paint is fed onto a cup shaped inner wall of the spray head. The metallic rotary shaft is supported by a single thrust air bearing and a pair of radial air bearings. An electrode continuously contacts the rear end of the metallic rotary shaft. 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 metallic rotary shaft. The thrust air bearing comprises an annular plate fixed onto the housing, and a pair of runners fixed onto the metallic rotary shaft and arranged on each side of the annular plate. A plurality of radially extending air passages is formed in the annular plate. A plurality of air outflow bores is formed on the side walls of the annular plate. Each of the air outflow bores is connected to an inlet for receiving compressed air via the corresponding air passage.

REFERENCES:
patent: 1906715 (1933-05-01), Penick
patent: 3985405 (1976-10-01), Okano et al.
patent: 3998502 (1976-12-01), Walter et al.
patent: 4148932 (1979-04-01), Tada et al.

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