Torque allocating system for a variable displacement hydraulic system
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United States of America Patent
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Nov 8, 2016
Grant Date -
Jul 25, 2013
app pub date -
Jan 22, 2013
filing date -
Jan 23, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Disclosed is a system for allocating torque, supplied in one embodiment by an engine, to multiple variable and fixed displacement pumps coupled together in a series by coupling elements interspersed between the pumps. A controller is included which monitors the torque applied to each coupling element. The controller automatically varies displacement in one or more of the variable displacement pumps to prioritize and allocate torque to optimize available torque while keeping the torque applied to each coupling element within the torque limit for that particular coupling element.
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