Actuators for electrostatically charged aerosol spray systems

Details Actuators for electrostatically charged aerosol spray systems Actuators for electrostatically charged aerosol spray systems

1993-11-04

1995-03-28

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Electrostatic type

Induction charging

239708, B05B 5043

Patent

active

054009758

ABSTRACT:
An actuator for electrically charging an aerosol spray has an inductor located adjacent to the spray nozzle to induce a charge on the atomized fluid. Charge to the inductor is provided by a piezoelectric crystal which is stressed by movement of an operating member to open the spray valve. Inductor charging utilizes negligible electrical power so that additional power sources are not required. The crystal may be stressed continuously such as by squeezing, or intermittently, such as by striking. When an intermittent stressing is utilized, the electrical circuit includes a switch between the crystal and inductor which is opened as the valve is opened to isolate electrically the inductor during spraying.

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