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Integration of Swing Energy Recovery and Engine Anti-Idling Systems

  • US 20160281745A1
  • Filed: 03/25/2015
  • Published: 09/29/2016
  • Est. Priority Date: 03/25/2015
  • Status: Active Grant
First Claim
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1. A hydraulic control system for a machine having a power source, comprising:

  • a work tool movable through a range of motion;

    a pump driven by the power source to pressurize fluid;

    an actuator configured to receive pressurized fluid from the pump and move the work tool;

    a first accumulator selectively fluidly connected to the pump and to the actuator;

    an assist motor operatively connected to the power source;

    a discharge valve having a normally closed position and an open position, the discharge valve positioned to selectively fluidly connect the first accumulator to the assist motor; and

    a controller operatively connected to the discharge valve, wherein;

    the controller is configured to detect operator input to start the power source, andthe controller is configured to cause the discharge valve to move to the open position to fluidly connect the first accumulator to the assist motor to assist in starting the power source in response to detecting the operator input to start the power source.

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