Swashplate assemblies for infinitely variable hydrostatic transmissions
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United States of America Patent
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-
Apr 27, 1999
Grant Date -
N/A
app pub date -
Apr 29, 1997
filing date -
Apr 29, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An infinitely variable hydrostatic transmission includes an input shaft connected to drive a hydraulic pump unit, a grounded hydraulic motor unit, and an output shaft. A swashplate assembly is connected to impart output torque to the output shaft resulting from the pumped exchanges of pressured hydraulic fluid between the hydraulic pump and motor units. A ratio controller is linked to independently, variably position input and output members of the swashplate assembly and thus vary nutating magnitudes of cylinder blocks of the hydraulic pump and motor units, pursuant to adjustably setting ratio conditions of the transmission.
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