Fluid sprinkling – spraying – and diffusing – Processes – Including electrostatic charging
Patent
1987-01-16
1988-06-07
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Processes
Including electrostatic charging
2391022, 239552, 2395905, 239598, 239696, 239697, 222485, 222486, B05B 502, B05B 314, B05B 100, B67D 300
Patent
active
047491256
ABSTRACT:
A nozzle apparatus and method for electrically charging and dispensing fluids and other flowable materials, comprising a fluid reservoir and a housing. The housing includes walls which define a chamber having an elongated slot at the tip thereof. The slot is resiliently compressible. The reservoir communicates with the chamber such that the fluid is introduced into the chamber at a controlled rate and a low hydrostatic pressure. A shim is placed within the chamber slot partially occluding fluid flow through the slot. The shim and the amount of compression of the slot defines with precision the size and shape of the slot. The shim and fluid are electrically connected to a high voltage source through the housing. The fluid forms a meniscus about the housing slot whereby upon actuation of the high voltage source, the fluid is dispensed as one or more charged fluid paths or a plurality of charged droplets.
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Exerpt from Western Electric Technical Digest, No. 26, published Apr. 1972, "Nozzles for Adhesive Dispensing Machine".
Escallon Eduardo C.
Tyner Anthony E.
Burkhart Patrick N.
Kashnikow Andres
Terronics Development Corp.
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