Motor vehicles – Including one or more ski-like or runner members – With at least one surface-engaging propulsion element
Patent
1976-11-30
1978-08-15
Peters, Jr., Joseph F.
Motor vehicles
Including one or more ski-like or runner members
With at least one surface-engaging propulsion element
123 97B, 123102, 180108, 188273, B60K 3100
Patent
active
041065840
ABSTRACT:
A vehicle speed sensor is connected to a fluid pressure source such as the engine intake manifold and produces a pressure output corresponding to vehicle speed. An actuator in the form of a diaphragm assembly positions the engine fuel control member in accordance with the pressure output of the speed sensor so as to decrease the amount of fuel for combustion as the vehicle speed increases and vice-versa so that the vehicle speed is maintained at a predetermined value regardless of vehicle load. A normally open exhaust brake valve is provided in the engine exhaust system and is automatically closed to block the exhaust system and thereby brake the engine when the speed control system is energized and the fuel control member is moved by the actuator to a minimum fuel demand position. This condition occurs when the vehicle is rolling downhill or the like and the vehicle speed cannot be limited to the predetermined value by fuel control alone. Various switches are provided to automatically de-energize the speed control system when the operator depresses a brake pedal, a clutch pedal, a manual exhaust brake switch and when the vehicle speed exceeds the predetermined value by a predetermined amount.
REFERENCES:
patent: 2895571 (1959-07-01), Hanebeck
patent: 2924205 (1960-02-01), Williams
patent: 3087340 (1963-04-01), McMurray et al.
patent: 3392799 (1968-07-01), Ishikawa
patent: 3590938 (1971-07-01), Gurol
patent: 3774715 (1973-11-01), Matsubara
patent: 3960122 (1976-06-01), Perrin
Diesel Kiki Co. Ltd.
Jordan Frank J.
McGiehan Donn
Peters Jr. Joseph F.
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