Apparatus and method for exerting a braking torque upon a vehicl

Details Apparatus and method for exerting a braking torque upon a vehicl Apparatus and method for exerting a braking torque upon a vehicl

1987-06-04

1989-05-09

Wright, Dirk

Machine element or mechanism

Elements

Gear casings

74705, 188291, 192 4A, F16H 4704, F16H 3706, F16D 5702, B60K 4126

Patent

active

048277983

ABSTRACT:
A device for providing a retarding force against the motion of a vehicle, which device does not intrude upon the engine, is not dependent upon the gear selected, and does not exhibit fade or skid characteristics. A torque limit clutch engages a ground engaging wheel of the vehicle with a first aerodynamic rotor. In one embodiment, the ratio of the speed of the aerodynamic rotor as compared to the speed of the ground engaging wheel is controlled by a serially connected variable-ratio gearbox. In another embodiment, the ratio is controlled by an epicyclic gear train, a second aerodynamic rotor and a pump.

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