Two-mode compound-split electrically variable transmission

Details Two-mode compound-split electrically variable transmission Two-mode compound-split electrically variable transmission

2006-04-04

2006-04-04

Wright, Dirk (Department: 3681)

Planetary gear transmission systems or components

Input from independent power sources

Including electric motor input

Reexamination Certificate

active

07022038

ABSTRACT:
A compound-split electrically variable transmission has two electrical power units, two planetary gearsets, a prime mover, and two selectively engageable torque-transmitting mechanisms. The torque-transmitting mechanisms are selectively engaged to provide a reverse and first range and a second range of operation, wherein the reverse and first range is an input-split range of operation and the second range is a compound-split range of operation. The torque-transmitting mechanisms are simultaneously engaged at an interchange point between the first and second ranges of operation. This interchange point is a synchronous speed interchange point, such that the torque-transmitting mechanisms are engaged and disengaged without slipping forces being transmitted.

REFERENCES:
patent: 6527658 (2003-03-01), Holmes et al.

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