Load driving system

Details Load driving system Load driving system

1994-12-07

1996-05-21

Blankenship, Howard B.

Electricity: motive power systems

Battery-fed motor systems

3541731, 74413, 748101, 475 12, 477 15, H02P 100, H02P 300, H02P 500

Patent

active

055192939

ABSTRACT:
A load driving system uses two gear trains with different characteristics. The load driving system includes a motor, a first pinion gear which is installed on the output shaft of the motor, a first gear train transmitting the rotation from the first pinion gear to a load, a second pinion gear separate from the first pinion gear which is also mounted on the motor output shaft, a second gear train having different characteristics from the first gear train and transmitting the rotation from the second pinion gear to the load, a connector for connecting the first gear train to the load while separating the second gear train from the load and for connecting the second gear train to the load while separating the first gear train from the load, and a controller for selecting one of the first and second gear trains based on a battery discharge level. The first and second gear trains are selected by selecting a rotational direction of the motor.

REFERENCES:
patent: 4647169 (1987-03-01), Suzuki et al.
patent: 4655724 (1987-04-01), Law

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