Fluidic washer systems for vehicles

Details Fluidic washer systems for vehicles Fluidic washer systems for vehicles

1996-04-19

1998-05-12

Weldon, Kevin

Fluid sprinkling, spraying, and diffusing

Liquid sprayer for transparent panel

137835, F15C 108, B05B 110

Patent

active

057495254

ABSTRACT:
A vehicle washer nozzle system having a source of washer liquid under pressure, a fluidic oscillator comprising a housing and a fluidic insert having a power nozzle, an oscillation chamber having an upstream end coupled to the power nozzle for issuing a jet of washer liquid into the oscillation chamber and a downstream end having an outlet aperture for issuing a jet of wash liquid to ambient, and side and top and bottom walls, an oscillation inducing silhouette in the oscillation chamber for causing said jet of wash liquid to rhythmically sweep back and forth between the sidewalls in the oscillation chamber. Top and bottom walls of the oscillation chamber first diverge for a predetermined distance in a downstream direction and then converge towards each other through said outlet aperture. This enables the deflection angle to be adjusted for different vehicles and applications by changes to the fluidic insert without changes to the housing.

REFERENCES:
patent: 3507275 (1970-04-01), Walker
patent: 4000757 (1977-01-01), Freeman
patent: 4052002 (1977-10-01), Stouffer et al.
patent: 4645126 (1987-02-01), Bray

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