Hybrid transmission

Details Hybrid transmission Hybrid transmission

2006-02-21

2006-02-21

Wright, Dirk (Department: 3681)

Planetary gear transmission systems or components

Input from independent power sources

Including electric motor input

Reexamination Certificate

active

07001296

ABSTRACT:
In a hybrid transmission, a two-degree of freedom differential unit includes four or more rotary members and is structured in such a way that, when revolution states of two rotary members from among the four or more rotary members are determined, the revolution states of the other rotary members are determined, sequentially couples the respective rotary members, in a higher revolution speed order, to one motor/generator, to one of an output to a drive system and an input from a main power source, to the other of the output and input, and to another motor/generator, and a brake is installed to fix one of the rotary members related to the input.

REFERENCES:
patent: 5558589 (1996-09-01), Schmidt
patent: 6371878 (2002-04-01), Bowen
patent: 6579201 (2003-06-01), Bowen
patent: 6732526 (2004-05-01), Minagawa et al.
patent: 2003/0073534 (2003-04-01), Oshidari et al.
patent: 199 09 424 (2000-08-01), None
patent: 11-301291 (1999-11-01), None
patent: 2003-034154 (2003-02-01), None
patent: 2003-034155 (2003-02-01), None
U.S. Appl. No. 10/361,611, filed Feb. 11, 2003, Minagawa et al.

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