Land vehicles – Wheeled – Attachment
Patent
1989-09-27
1992-01-14
Mitchell, David M.
Land vehicles
Wheeled
Attachment
280848, B62D 2518
Patent
active
050803972
ABSTRACT:
A vehicle spray control system apparatus and method for suppressing spray and coalescing and directing water droplets thrown from rotating tires of vehicles via centrifugal forces comprises various embodiments of spray controllers adapted for selective locations on vehicles, such as large commercial trucks and tractor-trailer combinations. The preferred embodiments are used as: fender flap, between tractor-tandem, over-wheel, floor sill, and general purpose spray controllers, located where droplets impact at high velocity and side skirts to condense low-velocity mist and carry the water rearward. Embodiments have a receiving side and an opposite side and comprise a plurality of symmetric or asymmetric wedges which extend from the planar surface of and are integrally formed with a base. In respective embodiments, these wedges either touch or are closely spaced apart at the receiving side of an unperforated base, or a base having slots. When used, a plurality of straight slots or slanted slots, respectively, pass either perpendicular to or at an angle through the base in respective embodiments. The spray controllers are formed from flexible or rigid durable materials such as high or low density polyethylene or rubber to resist summer heat, winter cold, impact, abrasion and chemicals, without softening or breaking. Flexible side skirts with longitudinal ridges or wedges having near horizontal upper surfaces extending toward the overwheel mist are also preferred embodiments.
REFERENCES:
patent: 3874697 (1975-04-01), Thompson
patent: 4258929 (1981-03-01), Brandon et al.
patent: 4436319 (1984-03-01), Clutter
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