Headlamp washing device for a motor vehicle headlamp

Details Headlamp washing device for a motor vehicle headlamp Headlamp washing device for a motor vehicle headlamp

1988-08-02

1989-09-12

Stinson, Frankie L.

Cleaning and liquid contact with solids

Apparatus

Automatic controls

134184, 134198, 2392842, 15250A, B08B 302

Patent

active

048650595

ABSTRACT:
A device for washing the lens of a headlamp, in particular for a motor vehicle, includes a reservoir for washing liquid, a spray nozzle directed towards the lens, a pump disposed between the reservoir and the spray nozzle, and a control means for the pump to cause the washing liquid to be drawn from the reservoir and be delivered to the spray nozzle, thereby to create a jet of liquid impacting on the lens. The outlet orifice of the spray nozzle is shaped to deliver a substantially horizontal, lamellar jet of liquid, covering approximately the entire width of the lens. The pump and its control means are designed to vary the pressure of the liquid at the inlet of the spray nozzle in such a manner that the jet, by the combination of its initial velocity which varies and the force of gravity, executes a sweeping movement over the lens in the direction of its height.

REFERENCES:
patent: 3656691 (1972-04-01), Norstrand
patent: 4223841 (1980-09-01), Schaller et al.

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