Fluid sprinkling – spraying – and diffusing – Weather control – Snowmaking
Patent
1991-05-10
1992-10-13
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Weather control
Snowmaking
2392631, 318266, F25C 304
Patent
active
051543486
ABSTRACT:
Apparatus for repeatedly sweeping a snow-gun nozzle through a desired angular range to more evenly distributed man-made snow produced by a snow-gun. Such apparatus comprises a bi-directional electric motor for driving a rotatably mounted snow-gun support in opposite directions about an axis of rotation, a pair of mechanical stops for limiting rotational movement of the snow-gun support to a predetermined angular range which defines a maximum sweep angle for the nozzle, and circuitry for sensing motor current. A comparator circuit, operatively connected to the output of the current-sensing circuit, functions to reverse the current flow through the motor, thereby changing the direction of rotational movement of the snow-gun support, whenever the current through the motor exceeds a preset threshold level. Such level is reached whenever the support's rotational movement has been limited by one of the two mechanical stops. A variable timer operates to reverse the motor current when a sweep angle less than the maximum sweep angle is desired.
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Ratnik H. Ronald
Stephens John L.
Kashnikow Andres
Ratnik Industries Inc.
Trainer Christopher G.
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