Air-flow management device

Land vehicles: bodies and tops – Bodies – With distinct wind deflector

Patent

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Details

2961802, 2961803, 2961804, 2961805, B62D 3500

Patent

active

053401905

ABSTRACT:
An air-flow management device mountable on an upper, forward portion of a vehicle having either a cab and a van or a tractor/cab semitrailer is disclosed, having a base, a first vertically upright airfoil secured to the base on the right extending from slightly above the cab to substantially the height of the van or semitrailer, a second vertically upright airfoil secured to the base on the left extending from slightly above the cab to substantially the height of the van or semitrailer, a first surface positioned behind the first airfoil to deflect the air-flow toward an exit opening at the right of the vehicle and a second surface positioned behind the second airfoil to deflect the air-flow toward an exit opening at the left of the vehicle. In one arrangement there is an inclined third surface joining the first surface with the second surface to deflect the air-flow in an upward direction, a first horizontal brace member is secured to the first airfoil, a second horizontal brace member is secured to the second airfoil, and a third airfoil is mounted transversely between the first and second airfoil assemblies in front of the third surface.

REFERENCES:
patent: 3695673 (1972-10-01), Meadows
patent: 3947065 (1976-03-01), Geiger
patent: 4840422 (1989-06-01), Engel
patent: 4957325 (1990-09-01), Engel

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