Solvent resistant bearings for self-generating electrostatic...

Details Solvent resistant bearings for self-generating electrostatic... Solvent resistant bearings for self-generating electrostatic...

2007-06-05

2007-06-05

Ganey, Steven J. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Electrostatic type

C239S708000, C384S101000, C384S295000, C384S462000

Reexamination Certificate

active

10477566

ABSTRACT:
An electrostatic spray gun (10) having an air powered alternator-turbine (14) with a rotating impeller (24) therein mounted in bearings (18) is provided with bearings (18) which are coated with a solvent resistant material. This coating is provided on all surfaces of the bearing (18) except for the inner diameter (18A) which contains the impeller (24). This construction prevents leaching of the oil out of the bearing (18) and into the airstream and also is resistant to paint should the spray gun (10) become immersed in such.

REFERENCES:
patent: 5366298 (1994-11-01), Toshimitsu et al.
patent: 5939363 (1999-08-01), Toyota et al.
patent: 5971617 (1999-10-01), Woelki et al.

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