Method and apparatus for improving improved fluidic oscillator a

Details Method and apparatus for improving improved fluidic oscillator a Method and apparatus for improving improved fluidic oscillator a

1997-11-25

1999-05-25

Morris, Lesley D.

Fluid sprinkling, spraying, and diffusing

Liquid sprayer for transparent panel

2395891, B05B 110, B05B 108

Patent

active

059063173

ABSTRACT:
A vehicle fluidic oscillator for causing a jet of liquid to repeatedly sweep through a selected fan angle has a power nozzle coupled to a source of liquid under pressure, an oscillation chamber having an upstream end and a downstream end with the power nozzle at the upstream end, and an outlet to ambient at the downstream end. A pair of opposed control ports are provided at the upstream end, and sidewalls which diverge from the upstream end and then converge towards the outlet. A pair of control passages connect the downstream end of the oscillation chamber with the control ports, respectively, and a pair of bypass passages, one for each control passage, respectively, connect each control passage with the source of liquid under pressure. A method of adapting a fluidic windshield washer nozzle oscillator to iterations in vehicle designs is carried out by adjusting the widths of the bypass passages in accordance with iterations in such vehicle design to:
a) reduce the product design cycle time and
b) reduce total system cost.

REFERENCES:
patent: 4463904 (1984-08-01), Bray, Jr.
patent: 4508267 (1985-04-01), Stouffer
patent: 4645126 (1987-02-01), Bray, Jr.
patent: 4905909 (1990-03-01), Woods
patent: 4955547 (1990-09-01), Woods
patent: 5749525 (1998-05-01), Stouffer

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