Planetary gear transmission systems or components – Input from independent power sources – Condition responsive motor control
Patent
1994-10-25
1996-04-30
Wright, Dirk
Planetary gear transmission systems or components
Input from independent power sources
Condition responsive motor control
475 5, 475 9, B60L 700
Patent
active
055120229
ABSTRACT:
The present invention is directed to a motor mechanism provided with first and second motor units as well as a differential gear unit. The differential gear unit is provided with three rotating members which are engaged mutually and rotate in constant differential ratio rates. One of the rotating shafts is provided in one of the motors, and a second of these rotating shafts is provided in the second motor. A differential pinion gear rotation axle shaft corresponds to the third rotating shaft. The differential gear unit will cause a drive axle shaft to rotate. The rotating shaft of the first motor rotates at a differential speed with respect to the rotating shaft of the second motor which is due to the difference of revolution between the differential gear axle and the revolution of the rotating shafts of both first and second motors.
REFERENCES:
patent: 3726150 (1973-04-01), Ikeda
patent: 4354144 (1982-10-01), McCarthy
patent: 4729258 (1988-03-01), Mohri et al.
patent: 5067932 (1991-11-01), Edwards
patent: 5419406 (1995-05-01), Kawamoto et al.
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