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Electric brake system

  • US 10,077,036 B2
  • Filed: 12/02/2016
  • Issued: 09/18/2018
  • Est. Priority Date: 12/04/2015
  • Status: Active Grant
First Claim
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1. An electric brake system comprising:

  • a hydraulic pressure supply device configured to generate hydraulic pressure using a piston which is operated by an electrical signal that is output corresponding to a displacement of a brake pedal, and including a first pressure chamber provided at one side of the piston being movably accommodated inside a cylinder block and connected to one or more wheel cylinders, and a second pressure chamber provided at the other side of the piston and connected to one or more wheel cylinders;

    a first hydraulic flow path configured to communicate with the first pressure chamber;

    a second hydraulic flow path configured to branch from the first hydraulic flow path;

    a third hydraulic flow path configured to branch from the first hydraulic flow path;

    a fourth hydraulic flow path configured to communicate with the second pressure chamber;

    a fifth hydraulic flow path configured to branch from the fourth hydraulic flow path and connected to the second hydraulic flow path;

    a sixth hydraulic flow path configured to branch from the fourth hydraulic flow path and connected to the third hydraulic flow path;

    a first hydraulic circuit including first and second branching flow paths which branch from the second hydraulic flow path and are connected to two wheel cylinders, respectively; and

    a second hydraulic circuit including third and fourth branching flow paths which branch from the third hydraulic flow path and are connected to two wheel cylinders, respectively.

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