Abstract: A brake device for a vehicle includes a housing unit, a cylinder unit installed inside the housing unit, a motor unit connected to the cylinder unit and provides a rotational force, a screw shaft provided inside the cylinder unit and axially rotated by receiving the rotational force of the motor unit, a nut unit coupled to the screw shaft through a ball member and reciprocated in an axial direction of the screw shaft according to a rotation direction of the screw shaft, a piston unit coupled to the nut unit and moving in conjunction with the nut unit, and a bearing unit provided inside the cylinder unit, coupled to the screw shaft, and supporting an axial load when forming hydraulic pressure of the cylinder unit.

Abstract: According to at least one embodiment, the present disclosure provides an electronic braking system comprising: a main master cylinder including a main body, a main piston that is accommodated to be movable in the main body, a main chamber that is defined in the main body and connected with at least one wheel brake, a motor that generates a rotation force, and a power conversion unit that has one side connected with the motor and another side connected with the main piston, and converts a rotational motion of the motor into a straight motion, the main master cylinder being configured to generate hydraulic pressure by movement of the main piston; a motor position sensor disposed to sense a rotation distance of the motor; and a braking controller configured to perform control to move the main piston to a preset initial position by calculating displacement of the main piston based on the rotation distance of the motor and adjusting an amount of a current that is supplied to the motor.

Abstract: An electronic hydraulic brake device includes: a pedal master to generate hydraulic pressure through pressurization of a pedal and including first and second master chambers; a reservoir including first and second reservoirs to store hydraulic fluid; an electric master to generate hydraulic pressure and including forward and backward chambers; a wheel cylinder to provide a braking force to front and rear wheels; a storage line connecting the pedal master and the reservoir to guide hydraulic fluid; a forward chamber line connecting the first master chamber, the forward chamber, and the wheel cylinder to guide hydraulic fluid; a backward chamber line connecting the second master chamber, the backward chamber, and the wheel cylinder to guide hydraulic fluid; and a connector selectively connecting the forward chamber line and the backward chamber line to guide hydraulic fluid.

Abstract: The present disclosure in some embodiments provides an apparatus for electric hydraulic braking including a reservoir, a backup master cylinder, a motor, a main master cylinder, wheel brakes each generating a braking force on each wheel, an ECU for generating the motor control signal and a valve control signal for the wheel brakes to form a braking force based on the brake pedal effort, and a hydraulic circuit valve device including a backup valve operable, based on the valve control signal, to change a flow path of fluid flowing internally of the hydraulic circuit valve device and to open and close a backup flow path between the backup master cylinder and main master cylinder, wherein when performing a hydraulic pressure dropping of the brake fluid inside the hydraulic circuit valve device, the electronic control unit opens the backup valve to allow the brake fluid discharged from the main master cylinder to be recovered to the reservoir through a brake flow path.

Abstract: A pedal simulator includes a pedal simulator piston configured to move in a linear direction based on a pedal stroke of a driver, a first stopper that is rotatable in a clockwise or counterclockwise direction and configured to adjust a pedal tactile feedback provided to the driver based on the rotation of the first stopper, a first damper disposed inside the pedal simulator piston to be spaced apart from the first stopper by an air gap, and configured to contract or expand based on the movement in the linear direction, and a second stopper configured to be operatively coupled with the first stopper for causing the air gap to change based on the rotation of the first stopper, wherein the pedal tactile feedback changes based on a change in the air gap.

Abstract: An electronic hydraulic brake device includes: a pedal master to generate hydraulic pressure through pressurization of a pedal and including first and second master chambers; a reservoir including first and second reservoirs to store hydraulic fluid; an electric master to generate hydraulic pressure and including forward and backward chambers; a wheel cylinder to provide a braking force to front and rear wheels; a storage line connecting the pedal master and the reservoir to guide hydraulic fluid; a forward chamber line connecting the first master chamber, the forward chamber, and the wheel cylinder to guide hydraulic fluid; a backward chamber line connecting the second master chamber, the backward chamber, and the wheel cylinder to guide hydraulic fluid; and a connector selectively connecting the forward chamber line and the backward chamber line to guide hydraulic fluid.

Abstract: A sub master cylinder includes a body formed with a chamber in which oil is stored; a first sub piston having one end which is secured to one end of the body and the other end which extends toward the other end of the body and is disposed to cross the chamber; and a second sub piston disposed between an inner surface of the body and an outer surface of the first sub piston to be moved in the chamber.

Abstract: A brake device for a vehicle includes: a cylinder body in which brake oil is compressed; a first piston pressurizing brake oil while moving along the inside of the cylinder body; a connection part having a smaller outer diameter than the first piston, and including one side connected to the first piston and the other side extended to the outside of the cylinder body; a pipe line part connecting the cylinder body and a wheel brake, and transferring the brake oil compressed through the movement of the connection part to the wheel brake; and a valve controlling the flow of the brake oil transferred along the pipe line part.

Abstract: Disclosed is an integrated braking system including a hydraulic piston cylinder unit that is operated by a brake pedal, a pressure medium storage unit that is connected to the hydraulic piston cylinder unit, a pressure generating unit that is driven by a motor, and has first and second hydraulic chambers that are divided by a piston movable within a housing, and a pressure control unit that transmits a pressure to a wheel unit from the hydraulic piston cylinder unit and the pressure generating unit. A hydraulic line directly connects the first hydraulic chamber and the pressure medium storage unit.

Abstract: An electronic hydraulic brake device may include: a reservoir storing brake oil; a reaction cylinder connected to the reservoir, and changing a pedal force and brake oil pressure in connection with motion of a pedal; a reaction valve installed between the reservoir and the reaction cylinder so as to control transfer of brake oil; a wheel brake restraining rotation of each wheel in connection with the operation of the reaction cylinder; and a brake valve installed on a connection pipeline for connecting the wheel brake and the reaction cylinder so as to control transfer of brake oil.

Abstract: An electronic hydraulic brake system may include: a main master cylinder driven by a motor in response to control of an electronic control unit (ECU), and supplying oil pressure to wheel cylinders; and a backup master cylinder forming a reaction force on a brake pedal in response to pressure of the brake pedal. When power of the ECU is cut off, the backup master cylinder may supply oil pressure to the main master cylinder.

Abstract: Exemplary embodiments of the present invention relate to an electronic hydraulic brake device, including: a pedal cylinder configured to generate an oil pressure by a pressure of a pedal; a master cylinder configured to generate the oil pressure by sensing the pedal; wheel cylinders configured to be each mounted at a plurality of wheels and provide a braking force to the wheels; a storage configured to store a fluid; a mixing circuit configured to connect the pedal cylinder to some of the wheel cylinders, and communicate with the storage and the master cylinder; a master circuit configured to connect the master cylinder to the wheel cylinder and communicate with the storage; and a hydraulic compartment configured to connect the mixing circuit to the master circuit and limit a movement of the fluid.

Abstract: An electronic hydraulic brake system may include: a main master cylinder driven by a motor in response to control of an electronic control unit (ECU), and supplying oil pressure to wheel cylinders; and a backup master cylinder forming a reaction force on a brake pedal in response to pressure of the brake pedal. When power of the ECU is cut off, the backup master cylinder may supply oil pressure to the main master cylinder.

Abstract: A brake device for a vehicle includes: a cylinder body in which brake oil is compressed; a first piston pressurizing brake oil while moving along the inside of the cylinder body; a connection part having a smaller outer diameter than the first piston, and including one side connected to the first piston and the other side extended to the outside of the cylinder body; a pipe line part connecting the cylinder body and a wheel brake, and transferring the brake oil compressed through the movement of the connection part to the wheel brake; and a valve controlling the flow of the brake oil transferred along the pipe line part.

Abstract: An electronic hydraulic brake device may include: a reservoir storing brake oil; a reaction cylinder connected to the reservoir, and changing a pedal force and brake oil pressure in connection with motion of a pedal; a reaction valve installed between the reservoir and the reaction cylinder so as to control transfer of brake oil; a wheel brake restraining rotation of each wheel in connection with the operation of the reaction cylinder; and a brake valve installed on a connection pipeline for connecting the wheel brake and the reaction cylinder so as to control transfer of brake oil.

Abstract: Exemplary embodiments of the present invention relate to an electronic hydraulic brake device, including: a pedal cylinder configured to generate an oil pressure by a pressure of a pedal; a master cylinder configured to generate the oil pressure by sensing the pedal; wheel cylinders configured to be each mounted at a plurality of wheels and provide a braking force to the wheels; a storage configured to store a fluid; a mixing circuit configured to connect the pedal cylinder to some of the wheel cylinders, and communicate with the storage and the master cylinder; a master circuit configured to connect the master cylinder to the wheel cylinder and communicate with the storage; and a hydraulic compartment configured to connect the mixing circuit to the master circuit and limit a movement of the fluid.

Abstract: Disclosed is an integrated braking system including a hydraulic piston cylinder that is moved by a brake pedal, a pressure medium storage that is connected to the hydraulic piston cylinder, a pressure generating unit that is driven by a motor, and has two first and second hydraulic chambers that are divided by a piston within a housing, and a pressure control unit that transmits a pressure to a wheel unit from the hydraulic piston cylinder and the pressure generating unit. A hydraulic line connecting the first hydraulic chamber and the pressure medium storage is formed.

Abstract: A sub master cylinder includes a body formed with a chamber in which oil is stored; a first sub piston having one end which is secured to one end of the body and the other end which extends toward the other end of the body and is disposed to cross the chamber; and a second sub piston disposed between an inner surface of the body and an outer surface of the first sub piston to be moved in the chamber.

Abstract: An apparatus for collecting condensed water of an air conditioner evaporator in heavy construction equipment is disclosed, which is able to receive condensed water into a receiver from an evaporator and treats the same which comprises a body which is installed at one side of the evaporator and includes a plurality of support frames provided in the interior of the same, with its upper and lower sides being fixed with a vibration resistant member; a water collection pipe which allows the condensed water produced from the evaporator to be supplied to a water inlet valve; a storing tank which is connected with the water inlet valve and stores condensed water inputted via the water inlet valve; a water purification filter which filters dirt, heavy metallic substances and organic chemicals contained in the condensed water supplied from the storing tank; and a water purification tank which stores the filtered condensed water and has a pipe extended to the outside of the body.

Abstract: An apparatus for collecting condensed water of an air conditioner evaporator in heavy construction equipment is disclosed, which is able to receive condensed water into a receiver from an evaporator and treats the same which comprises a body which is installed at one side of the evaporator and includes a plurality of support frames provided in the interior of the same, with its upper and lower sides being fixed with a vibration resistant member; a water collection pipe which allows the condensed water produced from the evaporator to be supplied to a water inlet valve; a storing tank which is connected with the water inlet valve and stores condensed water inputted via the water inlet valve; a water purification filter which filters dirt, heavy metallic substances and organic chemicals contained in the condensed water supplied from the storing tank; and a water purification tank which stores the filtered condensed water and has a pipe extended to the outside of the body.