Hybrid architecture incorporating three motor generators and...

Details Hybrid architecture incorporating three motor generators and... Hybrid architecture incorporating three motor generators and...

2006-03-10

2008-12-23

Lewis, Tisha D (Department: 3681)

Planetary gear transmission systems or components

Input from independent power sources

Including electric motor input

C475S003000, C903S911000

Reexamination Certificate

active

07468014

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

REFERENCES:
patent: 5558595 (1996-09-01), Schmidt et al.
patent: 5931757 (1999-08-01), Schmidt
patent: 6478705 (2002-11-01), Holmes et al.
patent: 6527658 (2003-03-01), Holmes et al.
patent: 7053566 (2006-05-01), Aizawa et al.
patent: 7309300 (2007-12-01), Garnett et al.

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