Planetary gear transmission systems or components – Input from independent power sources – Including electric motor input
Patent
1995-12-19
1997-07-01
Ta, Khoi Q.
Planetary gear transmission systems or components
Input from independent power sources
Including electric motor input
74661, 180 652, B60K 604
Patent
active
056431198
ABSTRACT:
A hybrid vehicle is powered by a drive system including an internal combustion engine, a generator and an electric motor. A differential gear unit includes at least three elements, the first connecting to the generator, the second connecting to a first gear and the third connecting the internal combustion engine. A second gear is connected to the output shaft of the electric motor. A counter shaft carries a third gear meshing with the first and second gears and connects to the differential gear unit. The internal combustion engine, differential gear unit and generator are aligned on a first axis, the electric motor is aligned on a second axis parallel to the first axis, the counter shaft is aligned on a third axis parallel to the first and second axes, the differential gear unit is aligned on a fourth axis parallel to the first, second and third axes, and the third axis is disposed inside of a triangle defined by the first, second and fourth axes when viewed on end.
REFERENCES:
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patent: 3478619 (1969-11-01), Shibata
patent: 3566717 (1971-03-01), Berman et al.
patent: 3861484 (1975-01-01), Joslin
patent: 5492189 (1996-02-01), Kriegler et al.
patent: 5562566 (1996-10-01), Yang
Japanese Utility-Model Laid-Open No. Hei 2-7702, Jan. 18, 1990.
Miyaishi Yoshinori
Yamaguchi Kozo
Kabushikikaisha Equos Research
Ta Khoi Q.
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