Motor vehicles – Including one or more ski-like or runner members – With at least one surface-engaging propulsion element
Patent
1977-06-20
1978-09-12
Peters, Jr., Joseph F.
Motor vehicles
Including one or more ski-like or runner members
With at least one surface-engaging propulsion element
73112, 123102, B60K 3100
Patent
active
041130464
ABSTRACT:
A method and apparatus for indicating the fuel economy of a vehicle during acceleration. A throttle rate signal having a magnitude proportional to the rate of change of the position of the throttle is combined with an acceleration signal having a magnitude proportional to the rate of change of vehicle speed to generate an efficiency signal. The magnitude of the efficiency signal is proportional to the difference of the throttle rate signal and the acceleration signal. The efficiency signal is used to drive an indicator device such as a meter which indicates whether or not the vehicle is accelerating efficiently. The efficiency signal can also be used in a circuit for signaling a vehicle speed control to automatically control the acceleration of a vehicle. In accordance with the present invention, the vehicle speed control is only permitted to advance the vehicle throttle when the efficiency signal indicates that the vehicle is accelerating efficiently.
REFERENCES:
patent: 1595960 (1926-08-01), Brown
patent: 3580355 (1971-05-01), Kitano
patent: 3686935 (1972-08-01), May
patent: 3820624 (1974-06-01), Sakakibara
patent: 3878915 (1975-04-01), Purland
patent: 3885644 (1975-05-01), Seidler
patent: 3946707 (1976-03-01), Gray
patent: 3983954 (1976-10-01), Noddings
Fraser Donald R.
Peters Jr. Joseph F.
Siemens Terrance L.
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