Two-mode, split power, electro-mechanical transmission

Details Two-mode, split power, electro-mechanical transmission Two-mode, split power, electro-mechanical transmission

1995-07-20

1996-11-26

Marmor, Charles A.

Planetary gear transmission systems or components

Input from independent power sources

Including electric motor input

475323, 180 652, F16H 372

Patent

active

055779735

ABSTRACT:
An improved transmission particularly adapted for use with a constant speed engine. The transmission has an input shaft to receive power from the engine. A generator is associated with the transmission, and the generator is driven by the engine. A motor is powered by the generator. The transmission also employs a compound planetary gear set having two planetary gear sub-sets. Each planetary gear sub-set has an inner gear member and an outer gear member, each of which meshingly engage a plurality of planet gear members. One gear member of each planetary gear sub-set is conjoined. A second gear member of each planetary gear sub-set is also conjoined. The input shaft is operatively connected to one of the conjoined gear members, and the motor is operatively connected to the other of the conjoined gear members. The output shaft is operatively connected to the third gear member in the first planetary gear sub-set, and the third gear member in the second planetary gear sub-set is selectively connected to ground.

REFERENCES:
patent: 1786158 (1930-12-01), Hawes
patent: 4233858 (1980-11-01), Rowlett
patent: 4423794 (1984-01-01), Beck
patent: 5195600 (1993-03-01), Dorgan
patent: 5285111 (1994-02-01), Sherman
patent: 5409425 (1995-04-01), Shibahata
patent: 5425682 (1995-06-01), Hayashi
patent: 5489001 (1996-02-01), Yang

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