Three-mode, input-split hybrid transmission

Details Three-mode, input-split hybrid transmission Three-mode, input-split hybrid transmission

1996-10-22

1998-03-24

Ta, Khoi Q.

Planetary gear transmission systems or components

Input from independent power sources

Including electric motor input

475149, 477 5, 477 9, F16H 372

Patent

active

057306761

ABSTRACT:
An electro-mechanical transmission has interconnected simple planetary gear sets having one member connected to each of a pair of motor/generators and another member connectible with an engine through a selectively operable torque transmitting device. Three additional selectively operable torque transmitting devices cooperate with the gear sets, engine and/or the motor/generators to provide three modes of electro-mechanical power transmissions. One of the motor/generators is stationary, at one speed point in each of two modes, thereby providing two high efficiency operating points.

REFERENCES:
patent: 4479404 (1984-10-01), Stockton
patent: 5508574 (1996-04-01), Vlock
patent: 5558588 (1996-09-01), Schmidt
patent: 5558595 (1996-09-01), Schmidt et al.
patent: 5562565 (1996-10-01), Moroto et al.
patent: 5571058 (1996-11-01), Schmidt
patent: 5577973 (1996-11-01), Schmidt
patent: 5603671 (1997-02-01), Schmidt
patent: 5655990 (1997-08-01), Ooyama et al.

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