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Emergency stop method for hybrid construction equipment and brake control device

  • US 9,431,930 B2
  • Filed: 12/27/2012
  • Issued: 08/30/2016
  • Est. Priority Date: 12/28/2011
  • Status: Active Grant
First Claim
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1. A brake control device for hybrid construction equipment, comprising:

  • a brake configured to stop a swing body when failure occurs in the hybrid construction equipment;

    a drive valve which is formed hydraulically or electrically, and configured to control pressure or an amount of fluid applied to the brake; and

    a control unit configured to;

    determine a brake pattern using front information or a swing speed of the swing body; and

    control the drive valve while creating a voltage control signal or a hydraulic pressure control signal so that the swing body is stopped depending on the determined brake pattern.

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