B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
15/17, 114/17
B05B 1/00 (2006.01)
Patent
CA 1157067
ABSTRACT The liquid spray includes an oscillator for produc- ing a fan spray with liquid droplets of uniform size. The oscillator is constituted by a power nozzle. a pair of side walls forming a pair of vortice spaces offset from the power nozzle, a pair of inwardly extending pro- tuberances or deflectors downstream of which are a pair of inlets to passages leading to exits adjacent the power nozzle, and an outlet throat or aperture having a pair of short wall surfaces defining an exit throat of any value selected from about 30° to about 160° so that the fan angle can be selected to be from about 30° to 160°. This structure results in an oscillator which has a relatively low threshold of pressure at which oscil- lations are initiated and, most importantly, the liquid is issued in a much more uniform fan pattern than here- tofore possible. In a preferred embodiment the liquid is a windshield washer fluid and the oscillator is incorporated in a nozzle for an automobile windshield washer assembly for issuing a fan spray of washer fluid onto the windshield.
368504
Bowles Fluidics Corporation
Macrae & Co.
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