Optimum shift position indicating device of vehicle

Details Optimum shift position indicating device of vehicle Optimum shift position indicating device of vehicle

1982-07-30

1985-01-08

Myracle, Jerry W.

Measuring and testing

Vehicle chassis

Steering

73114, G01M 1500

Patent

active

044921128

ABSTRACT:
The optimum shift position indicating device of a vehicle comprising: a vehicle speed sensor for detecting a running speed of the vehicle; an engine rotation sensor for detecting a rotational speed of an engine; an engine load sensor for detecting an engine load; an operational circuit in which a driving power at present is calculated from an engine torque obtainable from the engine rotational speed and the engine load, subsequently, required engine torques at respective shift positions are calculated from the driving power, further, fuel consumption rates at the respective shift positions are obtained from the engine rotational speeds and the required engine torques at the respective shift positions, and information on the optimum shift position where the best fuel consumption rate is obtainable is outputted; and shift position indicating elements for indicating an output from said operational circuit; and capable of giving a driver the information on the optimum shift position where the best fuel consumption rate is obtainable during running condition at present.

REFERENCES:
patent: 4025897 (1977-05-01), Kisuna et al.
patent: 4355296 (1982-10-01), Drone

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