Rotary atomizing electrostatic coating apparatus

Details Rotary atomizing electrostatic coating apparatus Rotary atomizing electrostatic coating apparatus

1996-12-18

1998-08-04

Weldon, Kevin

Fluid sprinkling, spraying, and diffusing

Electrostatic type

With impeller

239112, 239293, 239223, B05B 504

Patent

active

057881642

ABSTRACT:
A rotary atomizing electrostatic coating apparatus includes air feed passages connected to an air bearing, a turbine, and a shaping air cap, respectively. In any one of air feed passages, a divergence portion for causing a portion of air flowing in the one air feed passage to diverge from the one air feed passage is formed so that a diverging air flows into an interior of the drive shaft. As a result, it is not necessary to provide an additional, air feed passage and an air source therefor for preventing paint from entering a bearing clearance between the drive shaft and the air motor. As a result, a size of the apparatus will not be large and a cost of the apparatus will not substantially increase.

REFERENCES:
patent: 4337895 (1982-07-01), Gallen
patent: 4368853 (1983-01-01), Morishita et al.
patent: 4450785 (1984-05-01), Meisner
patent: 4572437 (1986-02-01), Huber et al.
patent: 4589597 (1986-05-01), Robisch et al.
patent: 4643357 (1987-02-01), Culbertson et al.
patent: 4776520 (1988-10-01), Merritt
patent: 4936509 (1990-06-01), Weinstein

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