Planetary gear transmission systems or components – Fluid drive or control of planetary gearing – Fluid pump and motor in one of plural paths to or from...
Patent
1996-12-04
1999-02-09
Wright, Dirk
Planetary gear transmission systems or components
Fluid drive or control of planetary gearing
Fluid pump and motor in one of plural paths to or from...
475 78, F16H 4704
Patent
active
058686401
ABSTRACT:
A hydromechanical transmission includes a hydrostatic transmission, a mechanical transmission having a planetary gearing mechanism, both being driven by an engine. The output of the hydrostatic transmission interacts with the mechanical transmission to provide infinitely adjustable power flow through the hydromechanical transmission. The planetary gearing mechanism includes two planetary gear sets and four members to connect the hydromechanical transmission to an output.
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Caterpillar Inc.
Glastetter Calvin E.
Kwon Peter T.
Wright Dirk
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