Land vehicles – Wheeled – Attachment
Patent
1991-10-29
1993-11-02
Mitchell, David M.
Land vehicles
Wheeled
Attachment
280848, B62D 2518
Patent
active
052578224
ABSTRACT:
An improved fender flap and improved side skirts are presented for suppressing spray and coalescing and directing water droplets thrown from rotating tires of vehicles via centrifugal forces, or formed over the tires by the impact of high velocity throw on flat surfaces over the wheels. They are primarily of value to wheeled vehicles, especially large commercial trucks or tractor-trailer combinations. The preferred embodiments herein disclosed are used as fender flap and side skirts, located respectively behind and beside the wheel.
The fender flap has symmetric closely spaced apart wedges aligned vertically parallel to the planes of rotation of the tire and a base having slanted slots between the wedges that deflect the coalesced and condensed water toward the center of the fender flap behind the fender flap.
The side skirt is designed to coalesce fine spray and to carry the coalesced water to flow along the horizontal upper surfaces of wedges or ridges that become gutters on the side on the trailer facing into the wind and to fall at the fender flap location rather than being blown against a tire slots in two versions enhance the condensation. The conversion of the horizontal surfaces to gutters on the side of the vehicle facing into the wind occurs because the wind's force bends the flexible, hinged, or loosely hung side skirt inward. The side skirts are self-cleaning because on the side facing away from the wind the skirts bend outward from the cross-winds's force, letting the water flow across the upper surfaces, cleaning them before falling away from the tires to the roadway surface.
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patent: 4436319 (1984-03-01), Clutter
patent: 4585242 (1986-04-01), Sparks
patent: 5080397 (1992-01-01), Metcalf
Mattern Jr. Roy E.
Mitchell David M.
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