Device for raising and lowering an airfoil

Details Device for raising and lowering an airfoil Device for raising and lowering an airfoil

1983-04-27

1984-12-25

Peters, Jr., Joseph F.

Motor vehicles

Airstream reactive vehicle or vehicle structure

296 1S, B62D 3700

Patent

active

044898061

ABSTRACT:
A device for raising and lowering an airfoil mounted on a lower portion of a vehicle body comprises a driving mechanism for driving the airfoil upwardly and downwardly, an electric device such as a motor for actuating the driving mechanism, a vehicle height detector for detecting the height of the vehicle body with respect to an axle, an airfoil height detector for detecting the height of the airfoil with respect to the vehicle body, and a control unit responsive to the vehicle height as detected by the vehicle height detector, the airfoil height as detected by the airfoil height detector, and the speed of travel of the vehicle body for actuating the electric device to lower the airfoil when the speed exceeds a predetermined level and the vehicle height is high.

REFERENCES:
patent: 2448167 (1948-08-01), Baak
patent: 3455594 (1979-07-01), Hall et al.
patent: 3618998 (1971-11-01), Swauger
patent: 4102548 (1978-07-01), Kangas
patent: 4105088 (1978-08-01), Leuijoki
patent: 4119339 (1978-10-01), Heimburger
patent: 4131308 (1978-12-01), Holka et al.
patent: 4159140 (1979-06-01), Chabot et al.
patent: 4232757 (1980-11-01), Ochiai et al.

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