Planetary gear transmission systems or components – Input from independent power sources – Including electric motor input
Patent
1997-06-06
1999-09-07
Wright, Dirk
Planetary gear transmission systems or components
Input from independent power sources
Including electric motor input
477 3, 180 652, B60K 4128
Patent
active
059478551
ABSTRACT:
A vehicle drive system includes a generator driven by an internal combustion engine and a drive axle having a pair of wheels, each wheel being driven by an associated electric motor powered by the generator. The engine also drives a drive shaft which is coupled to the drive axle. The drive system also includes a pair of summing gears, each having an output shaft coupled to a respective wheel, and each summing gear having a first input coupled to the drive shaft and a second input coupled to the respective electric motor.
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ATZ Automobiltechnische Zeitschrift 81 (1979) 6, Seite 288, Bild 6.
U. S. Application Serial No. 08/870,846 (08711-US).
Deere & Company
Kwon Peter T.
Wright Dirk
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