Single pedal vehicle braking and acceleration control system

Details Single pedal vehicle braking and acceleration control system Single pedal vehicle braking and acceleration control system

1990-08-29

1992-02-11

Herrmann, Allan D.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192 157, 192 162, F02D 906

Patent

active

050868918

ABSTRACT:
A mechanism for a single pedal control of both the brake and acceleration systems of automotive vehicles comprising a pedal, a tension-producing assembly, a pedal vertical positioner, and a coupling device for applying pressure to a piston of a vehicle master cylinder. The pressure applied by the coupling device to the piston is correlated with the vertical elevation of the pedal. The pedal, through a coupling device, applies maximum braking to a vehicle when no pressure is exerted on the pedal. Lesser amounts of braking are applied to the vehicle as the driver's foot presses the pedal downwards. At a point where the pedal contacts the accelerator rod, there is zero braking of the vehicle, and the braking of the vehicle remains at zero thereafter as the accelerator rod is further depressed to change the speed of the vehicle. To maintain a constant speed, the accelerator rod is held at a constant elevation by the pressure of the driver's foot on the pedal. To slow down or to stop, the driver needs only to appropriately reduce his foot pressure on the pedal.

REFERENCES:
patent: 1513587 (1924-10-01), Davis
patent: 1608809 (1926-11-01), Quintenz
patent: 1774836 (1930-09-01), Lormuller
patent: 1804615 (1931-05-01), Hinds
patent: 2162183 (1939-06-01), Smith
patent: 2222379 (1940-11-01), Smith
patent: 2778463 (1957-01-01), Rook
patent: 3059416 (1962-10-01), Campbell

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