Planetary gear transmission systems or components – Fluid drive or control of planetary gearing – Fluid resistance inhibits relative rotation
Patent
1998-08-18
2000-01-04
Wright, Dirk
Planetary gear transmission systems or components
Fluid drive or control of planetary gearing
Fluid resistance inhibits relative rotation
F16H 4700
Patent
active
060104236
ABSTRACT:
A variable speed transmission including a rotatable input member connectable to a drive source, a pump for pumping fluid through a conduit, a gear train including an epicyclic gear train operatively coupled to the input member and the pump, and a rotatable output member selectively operatively connected to either a forward or a reverse drive gear, wherein the output member has a forward drive ratio corresponding with its connection to the forward drive gear and a different, reverse drive ratio corresponding with its connection to the reverse drive gear. The transmission may also include a pressure compensating flow metering device for regulating the pressure of fluid flowing through said conduit.
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Jolliff Norman E.
Miller Joseph V.
Tecumseh Products Company
Wright Dirk
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