Single mode, compound-split transmission with dual...

Details Single mode, compound-split transmission with dual... Single mode, compound-split transmission with dual...

2006-05-11

2009-02-17

Wright, Dirk (Department: 3681)

Planetary gear transmission systems or components

Input from independent power sources

Including electric motor input

Reexamination Certificate

active

07491144

ABSTRACT:
A single mode, compound-split transmission is provided having two mechanical power paths. One mechanical path is primarily active at low speed ratios with the other path being primarily active in high speed ratios. A reduction ratio is available in the path employed for high speed ratios, reducing electrical path power requirements. Additionally, the reduction ratio, allows both of two motor/generators to be of a relatively low torque design.

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patent: 2007/0275806 (2007-11-01), Raghavan et al.
Renault, Society of Automotive Engineers Technical Paper Submission 04CVT-19, Dual Mode Infinitely Variable Transmission, 2004.

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