Electric vehicle with waddington drive

Details Electric vehicle with waddington drive Electric vehicle with waddington drive

1979-03-15

1981-03-17

Love, John J.

Motor vehicles

Power

Electric

74117, 192 0034, B60K 2510

Patent

active

042561965

ABSTRACT:
A vehicular drive system is presented which couples an infinitely variable automatic transmission to a constant speed electric motor. The drive system utilizes a battery powered DC motor having a no-load to full-load speed variation of less than 10 percent. The motor drives the input shaft of the transmission. The output of the transmission is coupled to drive the vehicle axle. Adjustment of the eccentricity of a cam plate within the transmission controls the speed and torque ratio between input and output shafts of the transmission. Eccentricity is varied as a function of tension on a spring in opposition to the forces developed on the cam plate by the transmitted torque. Spring tension is controlled by the pressure applied to an operator actuated accelerator pedal. The more the accelerator pedal is depressed, the greater will be vehicle acceleration and/or the steeper the hill that can be climbed.

REFERENCES:
patent: 2778066 (1957-01-01), Walmsley
patent: 3202234 (1965-08-01), Osborne
patent: 3803932 (1974-04-01), Waddington
patent: 3874253 (1975-04-01), Waddington
patent: 3892139 (1975-07-01), Harris
patent: 4098147 (1978-07-01), Waddington
patent: 4153128 (1979-05-01), Heitmeyer et al.
patent: 4175632 (1979-11-01), Lassanske

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