Device for reducing the aerodynamic resistance of a vehicle pref

Details Device for reducing the aerodynamic resistance of a vehicle pref Device for reducing the aerodynamic resistance of a vehicle pref

1997-01-23

1998-12-01

Hoge, Gary C.

Land vehicles: bodies and tops

Bodies

With distinct wind deflector

2461804, 246 91, B62D 3500

Patent

active

058427341

ABSTRACT:
In a vehicle, especially a utility vehicle, aerodynamically acting device for reducing the aerodynamic resistance are provided at the corners between the side panel and roof and at the corners between the side panel and rear end. The flow around the edge between the side wall and roof, especially under side wind conditions, is optimized by means of a bent roof surface (7). At the rear end, the side panel and the roof surface are also bent (7) in a form that tapers the flow around them. For further resistance reduction, blowout openings (8) are provided on the edges of the rear end, by way of which openings either back pressure air from the relative wind or pressurized air from the fan is blown out obliquely to the center axis of the vehicle, so that the static pressure of the rear-end surface is relatively increased and the aerodynamic resistance is reduced thereby.

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Peller et al; Experimental Untersuchungen zur Verminderung des heckwiderstandes and Lastkraftwagen, ATZ Automobiltechnische Zeitschrift 87 (1985) 6, p. 299.

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