Hybrid architecture incorporating three interconnected gear...

Details Hybrid architecture incorporating three interconnected gear... Hybrid architecture incorporating three interconnected gear...

2006-07-24

2009-02-24

Ho, Ha D. (Department: 3655)

Planetary gear transmission systems or components

Input from independent power sources

Including electric motor input

Reexamination Certificate

active

07494436

ABSTRACT:
The electrically variable transmission family provides low-content, low-cost electrically variable transmission mechanisms including first, second and third differential gear sets, a battery, three electric machines serving interchangeably as motors or generators and at least one brake operable to enable series hybrid reverse operation. The three motor/generators are operable in a coordinated fashion to yield an EVT with a continuously variable range of speeds (including reverse).

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