Fluid sprinkling – spraying – and diffusing – Processes – Including electrostatic charging
Patent
1994-11-09
1997-04-15
Morris, Lesley D.
Fluid sprinkling, spraying, and diffusing
Processes
Including electrostatic charging
239 8, 239704, 2391325, B05B 5025
Patent
active
056201389
ABSTRACT:
Apparatus and methods for pumping a uniform flow of air entrained powder at low flow settings to a diffuser of an electrostatic spray gun which disperses the powder and cools the spray gun. A single or double stage pump with a bleed port design draws powder into the pump from a powder container when compressed air directed into the pump is above a predetermined pressure. In another embodiment, a pump delivers a constant velocity of air entrained powder to the spray gun.
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patent: 5056720 (1991-10-01), Crum et al.
patent: 5395046 (1995-03-01), Knobbe et al.
Primer on Powder Pumps Date Unknown by Gerald W. Crum, Eng. Mgr. Nordson Cor Pneumatic Handling of Powdered Materials (Including Fluidization).
Published for The Engineering Equipment Users Assoc. by Constable & Company Limited, London, W.C.2, E.E.U.A. Handbook No. 15: 1963.
Cohn Howard M.
Morris Lesley D.
Nordson Corporation
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