Planetary gear transmission systems or components – Differential planetary gearing – Differential or nondifferential planetary combined with...
Reexamination Certificate
2008-06-10
2008-06-10
Marmor, Charles A. (Department: 3681)
Planetary gear transmission systems or components
Differential planetary gearing
Differential or nondifferential planetary combined with...
C475S219000
Reexamination Certificate
active
07384362
ABSTRACT:
All power generating member for generating a torque needs a transmission for randomly controlling the torque. Most of current transmission utilizes the engagement of gears having different gear rates or frictions as a medium. The transmission according to the engagement of gears generates the transmission the transmission shock and the transmission utilizing the friction as a medium has a limit caused by the friction. In order to resolve the problems, it is suggested to construct elements which may move in position in gears to distribute the torque to a low speed line or a high speed gear line in the constant engagement state, thereby realizing the continuous speed change from the high speed to the low speed or vise versa. Such a continuously variable transmission is applicable to vehicles and heavy equipment utilizing an internal combustion engine as a power generating source and any other vehicles.
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patent: 5662009 (1997-09-01), Palmer
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patent: 20000073560 (2000-12-01), None
Bame James E.
IPLA P.A.
Knight Derek D.
Marmor Charles A.
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