Hydrostatic transmission pressure monitoring systems and work vehicles containing the same
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United States of America Patent
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Jun 21, 2022
Grant Date -
Jan 27, 2022
app pub date -
Jul 22, 2020
filing date -
Jul 22, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A hydrostatic transmission pressure monitoring system includes a hydrostatic transmission and a pressure sensor data source. The hydrostatic transmission includes, in turn, a transmission casing, a pivoting yoke assembly rotatably mounted in the transmission casing, a hydrostatic pump-motor arrangement containing a hydraulic pump-motor circuit at least partially formed in the pivoting yoke assembly, and a pressure scaling device fluidly coupled to the hydraulic pump-motor circuit. The pressure scaling device is configured to generate a pressure-scaled output signal substantially proportional to a peak circuit pressure within the hydraulic pump-motor circuit. The pressure sensor data source is fluidly coupled to the pressure scaling device and is configured to generate pressure sensor data indicative of the pressure-scaled output signal.
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