Patent application number | Description | Published |
20130086898 | BRAKE DEVICE OF ELECTRO-HYDRAULIC BRAKE SYSTEM FOR VEHICLES - Disclosed herein is a brake device of an electro-hydraulic brake system for vehicles which provides hydraulic braking force to transmit stable pedal feel and provides regenerative braking for fuel efficiency improvement. The brake device includes an actuator unit including a master cylinder, a housing including a boosting chamber and a simulation chamber, an input rod, a reservoir connected to the upper portion of the master cylinder and storing oil, a simulator connected to the simulation chamber and a pedal displacement sensor sensing displacement of the pedal, and a hydraulic control unit. The hydraulic control unit includes an accumulator, a pump sucking oil from the reservoir and discharging the oil to the accumulator, a motor, a first control valve, a second control valve, a third control valve, pressure sensors sensing the pressures of the accumulator, the boosting chamber and the simulation chamber, and an electronic control unit (ECU). | 04-11-2013 |
20130214587 | ELECTRIC BRAKE SYSTEM FOR VEHICLES - The electric brake system for vehicles includes a pressure supplier connected to a reservoir through a hydraulic passage to receive the oil, the pressure supplier outputting a brake will of a driver as an electric signal through the pedal displacement sensor, when the driver puts the brake pedal, to operate a motor and convert a rotational force of the motor into linear motion, a hydraulic control unit including a first circuit including at least one first vehicle wheel and a second circuit including at least one second vehicle wheel to receive a hydraulic pressure with a force generated by the pressure supplier and thereby perform braking, a blocking valve to control the hydraulic pressure from the master cylinder to a wheel cylinder disposed in each vehicle wheel, a simulation device connected to the master cylinder, to provide a reaction force response to the pedal effort of the brake pedal, and an electronic control unit to control the motor and the valves, based on pressure information and pedal displacement information. | 08-22-2013 |
20130233656 | ELECTRONIC CONTROL BRAKE SYSTEM FOR VEHICLES - Disclosed is an electronic control brake system for vehicles which suppresses residual frictional force generated due to contact between pads and a disc. The electronic control brake system for vehicles includes a master cylinder, wheel brakes, each of which includes a caliper device including a disc and advancing and retracting a pair of pads pressing the disc to exhibit braking force by brake hydraulic pressure transmitted from the master cylinder, plural NO and NC type solenoid valves, low pressure accumulators, pumps and a motor pressurizing a fluid stored in the low pressure accumulators to discharge the fluid to the wheel brakes or the master cylinder, and a section between the plural solenoid valves and the low pressure accumulator is are formed as a closed circuit section, and the pump is driven to move a part of the fluid in the closed circuit section to the outlet of the pump. | 09-12-2013 |
20130239566 | INTEGRATED ELECTRONIC HYDRAULIC BRAKE SYSTEM - An integrated electronic hydraulic brake system provided with an actuator including a master cylinder and a pedal simulator, an electronic stability control (ESC) and a hydraulic power unit (HPU) in a single unit. | 09-19-2013 |
20130241272 | INTEGRATED ELECTRONIC HYDRAULIC BRAKE SYSTEM - Disclosed is an integrated electronic hydraulic brake system including an actuator having a master cylinder and a pedal simulator, electronic stability control (ESC), and hydraulic power unit (HPU) which are configured as a single unit. | 09-19-2013 |
20130241276 | INTEGRATED ELECTRONIC HYDRAULIC BRAKE SYSTEM - Disclosed is an integrated electronic hydraulic brake system including an actuator having a master cylinder and a pedal simulator, an electronic stability control (ESC), and a hydraulic power unit (HPU) which are configured as a single unit. The integrated electronic hydraulic brake system may include an integrated hydraulic control unit and a power source unit, wherein the power source unit is separately provided to isolate the operational noise, and the integrated hydraulic control unit and the power source unit are connected to each other via an external pipe. | 09-19-2013 |
20130270894 | INITIAL FLOW INCREASING MODULE FOR REDUCING DELAY OF BRAKE RESPONSE - There is provided an initial flow increasing module. The initial flow increasing module is connected with an electronic stability control (ESC) system having a first hydraulic channel and a second hydraulic channel each for controlling a liquid pressure transmitted to two wheels, and includes a hydraulic circuit that includes a pressure source in which oil is stored so as to increase a braking initial flow and a flow control valve connected with the pressure source so as to control a flow of oil transmitted to a wheel brake provided in each wheel from the pressure source. | 10-17-2013 |
20130277156 | MODULATOR BLOCK AND ELECTRONIC CONTROL BRAKE SYSTEM FOR VEHICLES HAVING THE SAME - Disclosed is brake system technology such as a modulator block and an electronic control brake system for vehicles having the same which suppresses residual frictional force generated due to contact between pads and a disc by moving a part of fluid at the wheel brake side to a residual frictional force control unit so as to retract pads from the disc, so that the hydraulic volume is reduced. | 10-24-2013 |
20130299288 | ELECTRONIC DISC BRAKE - Disclosed herein is an electronic disc brake. The electronic disc brake includes a carrier on which a pair of pad plates are mounted, a caliper housing, which is slidably installed on the carrier and is provided with a cylinder having a piston mounted therein, a pressure device installed within the cylinder, the pressure device converting rotational motion into rectilinear motion to press and release the piston, the pressure device having an output key which protrudes by penetrating a rear wall of the caliper housing, a motor mounted on an outer surface of the caliper housing to generate drive force, a reducer coupled with a rotary shaft of the motor to amplify the drive force, and a coupling interposed between the reducer and the pressure device to transmit the amplified drive force to the pressure device, wherein the motor, the reducer, and the pressure device are coaxially connected in series. | 11-14-2013 |
20140067222 | CONTROL APPARATUS AND METHOD FOR BRAKE - Disclosed herein are a brake control apparatus and methods for controlling of a brake. The brake control apparatus includes a wheel pressure selector to select one of different wheel pressure modes for a current pedal stroke produced in a brake system during driving, a wheel pressure storage unit to store information on different levels of wheel pressure corresponding to the different wheel pressure modes, a first controller to receive a wheel pressure mode signal corresponding to one of the wheel pressure modes selected through the wheel pressure selector and to receive corresponding wheel pressure information from the wheel pressure storage unit, and a first wheel pressure adjuster to supply the corresponding wheel pressure information to brake system to adjust a current wheel pressure for the current pedal stroke produced in the brake system to the corresponding wheel pressure information stored in the wheel pressure storage unit. | 03-06-2014 |
20140117747 | ELECTRIC BRAKE SYSTEM FOR VEHICLE - Disclosed herein is an electric brake system for a vehicle including a reservoir, an input rod, and a pedal displacement sensor to sense a displacement of a brake pedal. The electric brake system includes a pressure supply unit connected to the reservoir and a hydraulic channel and to output an electrical signal through the pedal displacement sensor, a hydraulic control unit provided with a first circuit and a second circuit, a shut-off valve to control the hydraulic pressure transferred to a wheel cylinder, a switching valve connected to a channel connecting the pressure supply unit to the hydraulic control unit, a compliance unit installed in a channel connected to the shut-off valve and the switching valve and including a compliance chamber, a piston and an elastic member, a simulator connected to the master cylinder to provide reaction force, and an electronic control unit to control the motor and the valves. | 05-01-2014 |
20140117749 | ELECTRIC BRAKE SYSTEM FOR VEHICLE - Disclosed herein is an electric brake system for a vehicle including a reservoir, a master cylinder, an input rod, and a pedal displacement sensor. The electric brake system includes a pressure supply unit to receive oil and to output an electrical signal through the pedal displacement sensor, a hydraulic control unit to perform braking of a wheel, first and second switching valves connected to a channel connecting the pressure supply unit to the hydraulic control unit, a simulator connected to the master cylinder, and an electronic control unit to control the motor and the valves. The pressure supply unit includes a pressure chamber, a hydraulic piston arranged in the pressure chamber, a hydraulic spring to elastically support the hydraulic piston, the motor to generate rotational force, and a ball-screw member to convert rotational motion of the motor into rectilinear motion. The hydraulic piston is connected to the screw. | 05-01-2014 |
20140238167 | NUT SCREW CONVEYING DEVICE - Disclosed herein is a nut screw conveying device including a nut and a screw to convert rotational movement into translational movement. In the nut screw conveying device, a plurality of different threads is spirally formed on an inner circumferential surface of the nut, and the screw is provided with a plurality of rotating media to be respectively engaged with the different threads. | 08-28-2014 |