PUMP CONTROL SYSTEM FOR A REFUSE VEHICLE
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United States of America Patent
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Issued Date -
Nov 9, 2023
app pub date -
May 4, 2023
filing date -
May 5, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
A refuse vehicle includes a chassis, a body, a lift system, and a controller. The lift system includes a lift arm actuator, a pump, and an electric motor. The pump is configured to power the lift arm actuator and is driven by the electric motor. The controller is configured to receive a user input that specifies a position of the lift arm actuator within a movement range, determine a flow demand required to move the lift arm actuator to the position, determine a motor speed that satisfies the flow demand, and communicate the motor speed to the electric motor.
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