Motor vehicles – Including one or more ski-like or runner members – With at least one surface-engaging propulsion element
Patent
1977-02-22
1979-01-02
Peters, Jr., Joseph F.
Motor vehicles
Including one or more ski-like or runner members
With at least one surface-engaging propulsion element
123102, 180109, B60K 3100
Patent
active
041322843
ABSTRACT:
A system for adjusting and maintaining cruising speed for automobiles employs electronic circuitry connected to the engine ignition system for generating a voltage proportional to engine speed. A manually actuated switch allows the vehicle operator to choose a cruising speed by storing the speed related signal in a memory. A comparator then receives the stored signal and the instantaneous speed signal and generates an error signal to control a bi-directional drive connected to the vehicle accelerator pedal through a tension member. A solenoid actuated clutch in the drive system for the tension member is energized when the operator sets the cruising speed and is deenergized when the vehicle is braked, when the engine speed falls below a predetermined value, or when the engine ignition or the speed control are turned off. Operator controlled switches allow the vehicle speed to be gradually increased or decreased until a desired speed is attained and the signal for that speed stored in the control, and another switch allows the operator to temporarily accelerate or decelerate the vehicle and then resume a previously stored speed.
REFERENCES:
patent: 3090460 (1963-05-01), Teetor
patent: 3332406 (1967-07-01), Perry
patent: 3476205 (1969-11-01), Kato
patent: 3612017 (1971-10-01), Ishizaki
patent: 3648798 (1972-03-01), Jania
patent: 3946707 (1976-03-01), Gray
patent: 3983767 (1976-10-01), Lefevre
patent: 4036323 (1977-07-01), Schmall
patent: 4056157 (1977-11-01), Kawata
patent: 4058094 (1977-11-01), Moore
Peters Jr. Joseph F.
Siemens Terrance L.
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