Hybrid drive device

Details Hybrid drive device Hybrid drive device

2011-04-26

2011-04-26

Young, Edwin A (Department: 3655)

Planetary gear transmission systems or components

Input from independent power sources

Including electric motor input

C475S282000

Reexamination Certificate

active

07931555

ABSTRACT:
A hybrid drive apparatus includes an engine; an input shaft that is connected to the engine; an output shaft that is connected to wheels; a rotary electric machine; a first planetary gear apparatus; and a second planetary gear apparatus. In an electric torque converter mode, the first planetary gear apparatus reduces an absolute value of a rotational speed of the rotary electric machine and transfers a first resulting rotational speed to the second planetary gear apparatus, and the second planetary gear apparatus combines the first resulting rotational speed and a rotation of the input shaft, reduces an absolute value of a rotational speed of the input shaft, and transmits a second resulting rotational speed to the output shaft.

REFERENCES:
patent: 5433282 (1995-07-01), Moroto et al.
patent: 5730675 (1998-03-01), Yamaguchi
patent: 6837816 (2005-01-01), Tsai et al.
patent: A-8-183356 (1996-07-01), None
patent: A 2005-206136 (2005-08-01), None
patent: A-2005-238898 (2005-09-01), None
patent: A-2006-77857 (2006-03-01), None

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