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US 12,187,247 B2Granted
Electronic brake system
AssigneeHl Mando Corporation
InventorJin Seok Kim
Life of this patent
Estimating the term…
Abstract
Disclosed herein an electronic brake system includes a first block in which a mechanical unit operated mechanically in association with a brake pedal is disposed; a second block in which an electrical unit electronically operated and controlled by an electronic control unit is disposed; and a connection line configured to hydraulically connect the first block and the second block, and the first block and the second block are installed at positions spaced apart in a vehicle so that mountability of the brake system and the degree of freedom in design of the vehicle may be improved.
Claims14
An electronic brake system, comprising:
- a first block in which a mechanical unit operated mechanically in association with a brake pedal is disposed;
- a second block in which an electrical unit electronically operated and controlled by an electronic control unit (ECU) is disposed;
- and
- a connection line configured to hydraulically connect the first block and the second block;
- wherein
- the mechanical unit comprises:
- a main reservoir in which a pressurized medium is stored;
- and
- an integrated master cylinder comprising a simulation piston connected to the brake pedal, a simulation chamber whose volume is changed by a displacement of the simulation piston, a master piston connected to the simulation piston, a master chamber whose volume is changed by a displacement of the master piston, and an elastic member provided between the simulation piston and the master piston;
- the electrical unit comprises:
- a hydraulic pressure supply device configured to generate a hydraulic pressure by operating a hydraulic piston by an electric signal output in response to a displacement of the brake pedal;
- a hydraulic control unit including a first hydraulic circuit having two wheel cylinders, a second hydraulic circuit having the other two wheel cylinders, and a plurality of flow paths and valves configured to control a hydraulic pressure transmitted to the first hydraulic circuit and the second hydraulic circuit;
- and
- the ECU;
- the connection line comprises:
- a first connection line connecting the simulation chamber to the first hydraulic circuit;
- a second connection line connecting the master chamber to the second hydraulic circuit;
- and
- a third connection line connecting the main reservoir to the hydraulic pressure supply device and the second hydraulic circuit, respectively,
- wherein
- the master piston comprises a first master piston and a second master piston,
- the master chamber comprises a first master chamber whose volume is changed by a displacement of the first master piston and a second master chamber whose volume is changed by a displacement of the second master piston,
- the first master piston is connected to the simulation piston through the elastic member, and
- the second master piston is provided between the first master chamber and the second master chamber to be displaceable by a hydraulic pressure of the first master chamber.
21 more elements
An electronic brake system, comprising:
- a first block in which a mechanical unit operated mechanically in association with a brake pedal is disposed;
- a second block in which an electrical unit electronically operated and controlled by an electronic control unit (ECU) is disposed;
- and
- a connection line configured to hydraulically connect the first block and the second block;
- wherein
- the mechanical unit comprises:
- a main reservoir in which a pressurized medium is stored;
- and
- an integrated master cylinder comprising a simulation piston connected to the brake pedal, a simulation chamber whose volume is changed by a displacement of the simulation piston, a master piston connected to the simulation piston, a master chamber whose volume is changed by a displacement of the master piston, and an elastic member provided between the simulation piston and the master piston;
- the electrical unit comprises:
- a hydraulic pressure supply device configured to generate a hydraulic pressure by operating a hydraulic piston by an electric signal output in response to a displacement of the brake pedal;
- a hydraulic control unit including a first hydraulic circuit having two wheel cylinders, a second hydraulic circuit having the other two wheel cylinders, and a plurality of flow paths and valves configured to control a hydraulic pressure transmitted to the first hydraulic circuit and the second hydraulic circuit;
- and
- the ECU;
- the connection line comprises:
- a first connection line connecting the simulation chamber to the first hydraulic circuit;
- a second connection line connecting the master chamber to the second hydraulic circuit;
- and
- a third connection line connecting the main reservoir to the hydraulic pressure supply device and the second hydraulic circuit, respectively,
- wherein
- the third connection line comprises a main line communicating with the main reservoir, a first sub-line branched from the main line and connected to the second hydraulic circuit, and a second sub-line branched from the main line and connected to the hydraulic pressure supply device.
18 more elements
An electronic brake system, comprising:
- a first block in which a mechanical unit operated mechanically in association with a brake pedal is disposed;
- a second block in which an electrical unit electronically operated and controlled by an electronic control unit (ECU) is disposed;
- and
- a connection line configured to hydraulically connect the first block and the second block;
- wherein
- the mechanical unit comprises:
- a main reservoir in which a pressurized medium is stored;
- and
- an integrated master cylinder comprising a simulation piston connected to the brake pedal, a simulation chamber whose volume is changed by a displacement of the simulation piston, a master piston connected to the simulation piston, a master chamber whose volume is changed by a displacement of the master piston, and an elastic member provided between the simulation piston and the master piston;
- the electrical unit comprises:
- a hydraulic pressure supply device configured to generate a hydraulic pressure by operating a hydraulic piston by an electric signal output in response to a displacement of the brake pedal;
- a hydraulic control unit including a first hydraulic circuit having two wheel cylinders, a second hydraulic circuit having the other two wheel cylinders, and a plurality of flow paths and valves configured to control a hydraulic pressure transmitted to the first hydraulic circuit and the second hydraulic circuit;
- and
- the ECU;
- the connection line comprises:
- a first connection line connecting the simulation chamber to the first hydraulic circuit;
- a second connection line connecting the master chamber to the second hydraulic circuit;
- and
- a third connection line connecting the main reservoir to the hydraulic pressure supply device and the second hydraulic circuit, respectively,
- wherein
- the first connection line and the second connection line are provided with a pipe having rigidity, and
- the third connection line is provided with a hose having elasticity.
19 more elements
Dependencies are inferred from the claim text.