Vehicle underbody fairing

Details Vehicle underbody fairing Vehicle underbody fairing

2008-10-22

2010-11-09

Gutman, H (Department: 3612)

Land vehicles: bodies and tops

Bodies

Body shell

Reexamination Certificate

active

07828368

ABSTRACT:
A vehicle underbody fairing apparatus for reducing aerodynamic drag caused by a vehicle wheel assembly, by reducing the size of a recirculation zone formed under the vehicle body immediately downstream of the vehicle wheel assembly. The fairing body has a tapered aerodynamic surface that extends from a front end to a rear end of the fairing body with a substantially U-shaped cross-section that tapers in both height and width. Fasteners or other mounting devices secure the fairing body to an underside surface of the vehicle body, so that the front end is immediately downstream of the vehicle wheel assembly and a bottom section of the tapered aerodynamic surface rises towards the underside surface as it extends in a downstream direction.

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Cooper, Kevin R. “Truck Aerodynamics Reborn-Lessons from the Past”. Aerodynamics Laboratory, NRC Canada. Vehicle Dynamics, Braking, Steering and Suspensions (SP-1814). SAE Technical, Paper Series 2003-1-3376, 2003 SAE International Truck and Bus Meeting and Exhibition, Fort Worth, Texas, Nov. 10-12, 2003.

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