System to pump fluid and control thereof
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United States of America Patent
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Aug 13, 2024
Grant Date -
Oct 14, 2021
app pub date -
Jun 25, 2021
filing date -
Sep 2, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A hydraulic system includes a hydraulic gear pump with a first gear having a plurality of first gear teeth and a second gear having a plurality of second gear teeth. The hydraulic system also includes a control valve and a control circuit. The control circuit controls the pump to adjust at least one of a flow in the hydraulic system to a flow set point or a pressure in the hydraulic system to a pressure set point, and concurrently establishes an opening of the control valve to adjust at least one of the flow to the flow set point or the pressure to the pressure set point. The control circuit establishes a position of a first tooth relative to a position of a second tooth to seal a fluid path from the outlet of the hydraulic gear pump to the inlet of the hydraulic gear pump.
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