| MANDO CORPORATION Patent applications |
| Patent application number | Title | Published |
|---|
| 20120118688 | SHOCK ABSORBER HAVING SELF PUMPING UNIT - A shock absorber, in which external gas is sucked by movement of a piston rod to obtain compressed gas, which is used for inhibiting the “lag” phenomenon. A piston valve is connected to one end of a piston rod received in an inner shell and moved between rebound and compression strokes, an inner space of the inner shell being divided into a rebound chamber and a compression chamber by the piston valve. A reservoir chamber is provided in an outer shell outside of the inner shell to supply oil to the compression chamber in the rebound stroke and to recover oil in the compression stroke. The shock absorber has a high pressure tank with a high pressure chamber installed outside of the outer shell, and a self pumping unit for sucking gas and pumping it into the high pressure chamber using energy generated by movement of the piston rod. | 05-17-2012 |
| 20120055747 | SHOCK ABSORBER HAVING SELF PUMPING UNIT - A shock absorber, in which external gas is sucked by movement of a piston rod to obtain compressed gas, which is used for inhibiting the “lag” phenomenon. A piston valve is connected to one end of a piston rod received in an inner shell and moved between rebound and compression strokes, an inner space of the inner shell being divided into a rebound chamber and a compression chamber by the piston valve. A reservoir chamber is provided in an outer shell outside of the inner shell to supply oil to the compression chamber in the rebound stroke and to recover oil in the compression stroke. The shock absorber has a high pressure tank with a high pressure chamber installed outside of the outer shell, and a self pumping unit for sucking gas and pumping it into the high pressure chamber using energy generated by movement of the piston rod. | 03-08-2012 |
| 20100155172 | HYDRAULIC POWER STEERING APPARATUS - A hydraulic power steering apparatus for a vehicle is disclosed. The hydraulic power steering apparatus for a vehicle forms a working fluid film between a piston reciprocating within a cylinder tube and a piston ring in order to provide an accurate auxiliary steering force by preventing leakage of a working fluid between right and left cylinders during the operation of a steering wheel by the driver. | 06-24-2010 |
| 20100140030 | DISC BRAKE FOR VEHICLE - Disclosed is a disc brake for a vehicle, such as an electronic wedge brake, capable of preventing a disc from being subject to the moment due to misalignment of inner and outer friction members with respect to a disc. The disc brake includes a disc rotating together with a vehicle wheel, inner and outer friction pads disposed at both sides of the disc, respectively, a wedge unit installed at rear sides of the inner and outer friction pads to press the inner and outer friction pads against the disc, a driving device that operates the wedge unit for a braking operation, and a sync member for synchronizing braking positions of the inner and outer friction pads with respect to the disc. Since the disc is prevented from being subject to the moment, uneven wear does not occur in the friction member and/or the disc and deformation of the disc is prevented. | 06-10-2010 |
| 20100134321 | METHOD AND APPARATUS FOR RECOGNIZING PARKING AREA - A method and an apparatus for recognizing a parking area are disclosed. The parking area recognizing apparatus includes: a signal transmitter transmitting a signal using a sensor; an echo signal receiver receiving an echo signal for the signal; a multiple signal generator generating a multiple echo signal using the echo signal based on first and second preset thresholds; and a parking area recognizer recognizing a parking area by calculating a round trip time and a duration time for the multiple echo signal and selecting an available echo signal based on at least one of the round trip time and the duration time. Accordingly, a precision in recognition of a parking area is enhanced by reducing a measurement error by processing an echo signal received after it is reflected on an object with a multiple echo signal in recognition of the parking area using a sensor such as an ultrasonic sensor or a radar sensor. | 06-03-2010 |
| 20100126811 | ELECTRIC DISK BRAKE - Disclosed is an electric disc brake. The electric disc brake includes friction pads for pressing a disc, a carrier for supporting the friction pads, a caliper housing supported by the carrier such that the caliper housing moves back and forth to press the friction pads, and a pressing device for pressing the friction pads. The pressing device includes a pressing member moving back and forth in the caliper housing to press one of the friction pads, a screw shaft coupled to the pressing member, a worm wheel coupled to the screw shaft, a driving shaft crossing the screw shaft and having a worm gear engaged with the worm wheel, a motor for rotating the driving shaft in a forward direction or a reverse direction, and an auxiliary pressing device. | 05-27-2010 |
| 20100122877 | ELECTRIC DISC BRAKE - An electric disc brake including friction pads to press a disc, a carrier to support the friction pads, a caliper housing supported by the carrier to be movable back and forth so as to press the friction pads, and a pressing device to press the friction pads. The pressing device includes a pressing member mounted to the caliper housing and moved back and forth to thereby press and release any one of the friction pads, a screw axis connected to the pressing member, a drive shaft constituted by a worm wheel connected to the screw axis and a worm engaged with the worm wheel and mounted across the screw axis, and a motor rotating the drive shaft forward and backward. | 05-20-2010 |
| 20100122595 | RACK BAR SUPPORTING DEVICE OF STEERING APPARATUS FOR VEHICLE - Disclosed is a rack bar supporting device of a steering apparatus for a vehicle which can prevent rattle noise generated due to clearance increase caused by the wearing of a rack bar and a support yoke in an endurance driving of a vehicle and maintain a uniform clearance between the rack bar and the support yoke after an endurance driving, thereby transferring stable steering force. | 05-20-2010 |
| 20100117325 | BRACKET FOR MOUNTING SHOCK ABSORBER - A bracket is provided to mount a shock absorber to a vehicle body. The bracket is configured to couple a distal end of a piston rod of the shock absorber to a vehicle body. The bracket is molded of a plastic material and includes a body having a recess formed thereon, the recess allowing a bush assembly to be inserted therein, and a flange extending from the body. The bracket is molded integrally with a metal insert. | 05-13-2010 |
| 20100116599 | DISC BRAKE FOR VEHICLE - A disc brake for a vehicle, reduced in volume by improving a driving unit thereof that presses a wedge and therefore conveniently installed in the vehicle. The disc brake includes a disc rotated along with wheels of the vehicle, inner and outer friction pads disposed at both sides of the disc, a caliper housing supporting the outer friction pad, a wedge member disposed at a rear side of the inner friction pad and formed with inclined surfaces on a rear side thereof, a supporting member formed with inclined surfaces corresponding to the inclined surfaces of the wedge member and fixed to the caliper housing, and a driving unit operating the wedge member to perform a braking operation. The driving unit includes a screw axis, a driving motor, a worm gear constituted by a worm and a worm wheel, and a moving member. | 05-13-2010 |
| 20100116582 | REDUCER OF ELECTRONIC POWER STEERING APPARATUS BACKGOUND OF THE INVENTION - A reducer of an electronic power steering apparatus is disclosed. The reducer of an electronic power steering apparatus aids the operation of a steering wheel by the driver by preventing a clearance from being caused by frictional wear between a worm and a worm wheel, by reducing rattle noise caused by backlash, and by minimizing the change in the clearance due to a change in torque. | 05-13-2010 |
| 20100116573 | IN-WHEEL MOTOR VEHICLE - Disclosed herein is an in-wheel motor vehicle to increase design freedom of an electric motor mounted in a wheel, dynamic performance of the vehicle, and cooling performance of a brake device. The in-wheel motor vehicle includes a wheel rotatably mounted to a vehicle body, an electric motor mounted in the wheel to drive the wheel, an axle extending from the wheel to the vehicle body so as to be rotated together with the wheel, and a brake device mounted to the vehicle body at a position spaced apart from the wheel for braking of the axle. | 05-13-2010 |
| 20100098294 | METHOD AND APPARATUS FOR DETECTING LANE - A method and an apparatus for detecting a lane are disclosed. The lane detecting apparatus includes: a region of ID setup setting a region of ID including a road region of a current lane in an acquired image; a road sign verifier verifying existence of a road sign within the set region of ID; an ROI setup calculating a difference value between a lane prediction result and previous lane information when there exists a road sign and setting an ROI based on the calculated difference value; and a lane detector detecting a lane by extracting lane markings based on the set ROI. Accordingly, a lane can be more accurately detected even in a road environment including a road sign by removing the road sign to extract only necessary lane markings. | 04-22-2010 |
| 20100096224 | ELECTRONIC MECHANICAL DRUM BRAKE - Disclosed herein is an electronic mechanical drum brake. In the electronic mechanical drum brake including a drum rotated together with a wheel, a pair of brake shoes respectively including rims provided with linings, which rub against the inner circumferential surface of the drum and generate braking power, attached thereto and webs provided on the inner circumferential surfaces of the rims to reinforce rigidity of the rims, and an actuator provided between the webs of the pair of brake shoes, the actuator includes a screw shaft provided with a driven gear formed integrally therewith and a left-handed thread at one side thereof and a right-handed thread at the other side thereof, a driving motor to rotate the screw shaft in a regular direction and its reverse direction, a booster unit to increase rotary force of the driving motor and then to transmit the increased rotary force to the driven gear, and nuts screw-connected to both ends of the screw shaft and fixed to the webs. Thereby, the electronic mechanical drum brake has a large braking power and improved space efficiency. | 04-22-2010 |
| 20100096222 | CALIPER DISC BRAKE - Disclosed herein is a caliper disc brake, which improves a rollback performance of a piston. The caliper disc brake includes a caliper housing provided with a cylinder, the piston moving forward and backward within the cylinder of the caliper housing, a dust seal mounted at a front end of an opening of the piston, a first sealing member provided between the inner surface of the cylinder and the outer surface of the piston at the rear of the dust seal, and a second sealing member separated from the first sealing member by a designated interval and provided between the inner surface of the cylinder and the outer surface of the piston, wherein oil channels to communicate a space around the outer circumferential surface of the piston, formed by the first sealing member and the second sealing member, and a space around the rear surface of the piston, formed by the second sealing member and the cylinder, with each other to operate a rollback function of the second sealing member are formed in the piston. | 04-22-2010 |
| 20100094506 | APPARATUS FOR IMPLEMENTING INTERLOCK OF ELECTRIC POWER STEERING SYSTEM - An apparatus for implementing interlock of an electric power steering system is disclosed. The interlock apparatus can generate the output torque current value for achieving the steering system interlock with current values of two phases and the rectifying positional value for the 1-bit feedback current of one phase out of the 3-phase feedback current values and the rectifying positional value for the 3-bit 3-phase feedback current values. The disclosed interlock apparatus receives the 3-phase feedback current values from the current sensor and the rectifying positional values for the 3-bit 3-phase feedback current values from the rectifying positional sensor, and retrieves therefrom the current values of two phases and the rectifying positional value for the 1-bit feedback current of one phase for use with a substantially cost effective processor in generating the output torque current value. | 04-15-2010 |
| 20100084913 | ELECTRONIC CONTROL BRAKE SYSTEM - Disclosed herein is an electronic control brake system that has a compact structure while rapidly forming an oil pressure during active control and reducing pressure pulsation, simultaneously. The electronic control brake system includes a master cylinder assembly to provide braking force, a plurality of brake cylinders to achieve braking, first and second hydraulic circuits connecting the master cylinder and the plurality of brake cylinders to form a closed circuit, a pump unit installed in the first and second hydraulic circuits to achieve active control, and a motor to drive the pump unit. The pump unit includes first, second, third, and fourth pumps, the first pump and the second are respectively arranged in planes, being orthogonal with the rotary axis X of the motor, located in different layers in the direction of a rotary axis of the motor at an angular position of 0 degrees from the rotary axis of the motor, the third pump arranged in the same plane as the first pump at an angular position of 270 degrees from the rotary axis X of the motor, and the fourth pump is arranged in the same plane as the second pump at an angular position of 90 degrees from the rotary axis of the motor. The first pump and the third pump are connected to the first hydraulic circuit, and the second pump and the fourth pump are connected to the second hydraulic circuit. | 04-08-2010 |
| 20100076643 | FAILURE DETECTING METHOD FOR STEERING ANGLE SENSOR - Disclosed herein is a failure detecting method for a steering angle sensor that detects a turning angle, turning direction and central position of a steering wheel of a vehicle. It is determined whether the steering angle sensor has failed using traveling behavior of the vehicle, and therefore, the failure of the steering angle sensor is effectively detected even when the steering angle center or the turning angle is incorrectly detected. Also, it is determined whether the steering angle sensor has failed using characteristic differences among pulse signals of the sensor, and therefore, three pulse signals output from the steering angle sensor are effectively detected although any of the pulse signals has failed, whereby the vehicle is stably traveled. | 03-25-2010 |
| 20100045100 | SEALING MEMBER FOR MASTER CYLINDER AND MASTER CYLINDER HAVING THE SAME - Disclosed herein are a sealing member for a master cylinder and a master cylinder having the same. The master cylinder is configured such that a communication hole of a piston is rapidly brought into communication with an oil path toward an oil tank upon release of braking. This may minimize meaningless retracting movement of the piston and delay in a braking release operation. The sealing member for the master cylinder includes an outer wing part to come into contact with the cylinder body, and an inner wing part to come into contact with the outer surface of the piston. The inner wing part includes a seal formed at a tip end thereof and at least one oil passage formed in a surface thereof opposite the outer surface of the piston | 02-25-2010 |
| 20100044172 | DAMPING FORCE VARIABLE VALVE OF SHOCK ABSORBER - A damping force variable valve includes a retainer including a main body connected at a central region thereof to a high pressure region of a shock absorber cylinder, the main body having an outer diameter increased outwards, and a spool rod formed integrally with the main body to extend from the central region, the spool rod having a hollow portion formed at a central portion thereof to allow a spool to be inserted in the hollow portion, a solenoid coupled to a lower side of the retainer, and a spool pressurizing installed in the solenoid and configured to move in response to electrical power applied to the solenoid to pressurize the spool. | 02-25-2010 |
| 20100023212 | STEERING ANGLE SENSOR AND VEHICLE SYSTEM HAVING THE STEERING ANGLE SENSOR - A steering angle sensor and a vehicle system having the sensor are disclosed. The steering angle sensor for mounting on a vehicle comprises a main gear coupled to and rotated with a steering column; a first auxiliary gear and a second auxiliary gear meshed with the main gear, respectively; angular detection means mounted adjacent to the first and the second auxiliary gears respectively for generating electric signals in concert with rotations of the first and the second auxiliary gears; and a calculation/control module for calculating steering angles from the electric signals generated by the angular detection means, determining a duty ratio corresponding to the steering angle and generating a rough gain pulse width modulation signal and a fine gain pulse width modulation signal. | 01-28-2010 |
| 20100019892 | GATEWAY CONTROL APPARATUS FOR VEHICLES AND TRAVEL INFORMATION RECORDING METHOD THEREOF - A gateway control apparatus for vehicles includes a receiver configured to receive vehicle state information from vehicle ECUs and a vehicle-to-vehicle distance from an intelligent cruise control unit. The gateway control apparatus also includes a first memory to store the vehicle state information, a calculation unit to calculate a relative velocity and a relative acceleration from the vehicle state information, and to calculate a collision index. A determination unit determines if the collision index exceeds a predetermined value. A vehicle information management unit determines an accident occurrence time point when the collision index exceeds the predetermined value, and allows the first memory to store pre-accident and post-accident vehicle state information. The gateway control apparatus stores the pre-accident and post-accident vehicle state information even in the case of a fender bender or minor collision to use the stored information for post-accident judgment. | 01-28-2010 |
| 20100012451 | AMPLITUDE SELECTIVE SHOCK ABSORBER - An amplitude selective shock absorber includes a cylinder, a piston rod axially movable within the cylinder, a stationary piston valve fixedly mounted on the piston rod to divide a space of the cylinder into a rebound chamber and a compression chamber, a floating piston valve mounted on the piston rod to be movable in an axial direction in the rebound chamber, a stopper secured to the piston rod above the floating piston valve, and frustoconical leaf springs disposed between the floating piston valve and the stationary piston valve and between the floating piston valve and the stopper, respectively. | 01-21-2010 |
| 20100012450 | FLOATING PISTON VALVE OF AMPLITUDE SELECTIVE SHOCK ABSORBER - A floating piston valve includes an annular valve body having a fluid passing hole formed therein, a pair of upper and lower valve discs respectively mounted on upper and lower sides of the valve body to generate damping force, a pair of upper and lower tripod type leaf valve springs respectively mounted on upper and lower sides of the upper and lower valve discs, and a pair of upper and lower coupling supports coupled to the valve body respectively at upper and lower sides of the upper and lower tripod type leaf valve springs. Each of the coupling supports includes an annular support section and a coupling section at least partially formed on an outer edge of the annular support section and is fastened to the valve body through a portion of an outer edge of the valve body. | 01-21-2010 |
| 20100007199 | BRAKE SYSTEM FOR VEHICLE - A brake system for a vehicle is disclosed. The brake system has a dual electronic control unit that classifies electromechanical brake units into two groups. When a vehicle is not smoothly braked due to an error generated in the electro-mechanical brake unit of either of two groups, the brake system smoothly brakes the vehicle using the other electromechanical brake unit having no error. The system includes a pedal, a pedal position detection sensor detecting a moving distance of the pedal when a driver presses the pedal, an electromechanical brake unit to provide each wheel with electrical braking force in response to the pedal's moving distance detected, and a dual electronic control unit to divide the electromechanical brake unit providing each wheel with the electrical braking force into two groups, and brake the vehicle by the electromechanical brake unit of each group. | 01-14-2010 |
| 20100006383 | DAMPING FORCE VARIABLE VALVE AND SHOCK ABSORBER INCLUDING THE SAME - A damping force variable valve includes a retainer having a main body connected at a central portion thereof to a high pressure part or portion of a shock absorber and having an outer peripheral region enlarging outwardly, and a spool rod integrally extending from the central portion and formed at a center thereof with a hollow portion having a spool inserted therein. The variable valve further includes a main disc disposed adjacent the retainer, a solenoid unit provided adjacent the spool rod and including a push rod for moving the spool when electrical power is applied, and an operating block installed adjacent the solenoid unit and including an enlarged portion coupled to the outer peripheral region of the main body. | 01-14-2010 |
| 20100006382 | BRACKET FOR MOUNTING SHOCK ABSORBER - A bracket for mounting a shock absorber configured to couple a distal end of a piston rod of the shock absorber to a vehicle body includes a body having a recess formed therein, the recess configured to receive a bush assembly, a flange extending from the body, and at least one lateral reinforcement rib formed between the flange and the body to reinforce the bracket. | 01-14-2010 |
| 20100001579 | SOLENOID VALVE FOR BRAKE SYSTEM - Disclosed herein is a solenoid valve for a brake system to reduce manufacturing costs via a shorter length and more simplified configuration of a magnet core. In the solenoid valve for a brake system to be mounted in a bore of a modulator block having an inlet and an outlet, the solenoid valve includes a magnet core having a center longitudinal penetrating hole and an entrance and exit for oil flow, an armature movably provided at one end of the magnet core and serving to open or close the exit, a valve seat provided at the other end of the magnet core, and a sleeve in which the armature and magnet core are received, the sleeve being fixed to the bore. | 01-07-2010 |
| 20100001217 | DAMPING FORCE VARIABLE VALVE OF SHOCK ABSORBER - A damping force variable valve includes a retainer including a spool rod part having a hollow portion formed at a central portion thereof to allow a spool to be inserted in the hollow portion, a solenoid part coupled to a lower side of the retainer and having a bobbin provided therein, the bobbin having a coil wound therearound for allowing a pressurizing rod in contact with the spool to move when voltage is applied, and a connector for connecting to a power supply part formed integrally with the bobbin. | 01-07-2010 |
| 20100001216 | SOLENOID VALVE FOR BRAKE SYSTEM AND MANUFACTURING METHOD THEREOF - Disclosed herein are a solenoid valve for a brake system and a manufacturing method thereof, to achieve easy manufacture and low manufacturing costs via a more simplified configuration than the related art. The solenoid valve includes a valve core, a sleeve into one side of which the valve core is inserted, an armature movably received in the sleeve, a seat having an orifice that is opened or closed by the armature, a return spring to press the armature toward the orifice, a filter member press-fitted in a modulator block having an inlet path and outlet path, a filter being coupled to the filter member, and a seat housing having one side press-fitted into the filter member and the other side press-fitted into the sleeve, the seat being press-fitted in the seat housing. The seat housing takes the form of a tubular member having an approximately constant thickness and is provided with a stepped portion to determine a position of the seat. | 01-07-2010 |
| 20090319119 | GATEWAY CONTROL APPARATUS FOR VEHICLES AND TRAVEL INFORMATION RECORDING METHOD THEREOF - A gateway control apparatus for vehicles includes a receiver receiving travel state information sent from sensors and vehicle ECUs through interfaces, a first memory storing the travel state information, a determination unit determining occurrence of a vehicle accident or an ECU malfunction based on the travel state information, a second memory, and a controller allowing the second memory to store malfunction information of an associated ECU among the travel state information if the ECU malfunction has occurred, and allowing the first memory to store pre-accident travel state information and post-accident vehicle state information with reference to an accident occurrence time point if the vehicle accident has occurred. The gateway control apparatus enables not only data communication between the ECUs having different communication modes, but also accurate analysis of causes of the vehicle accident or the ECU malfunction. A travel information recording method of the gateway control apparatus is also disclosed. | 12-24-2009 |
| 20090314121 | TILTING AND TELESCOPIC STEERING APPARATUS - A tilting and telescopic apparatus is provided. The apparatus includes a column housing surrounding a steering shaft, a telescopic tube coupled, on a first end, to the column housing, a telescopic bracket surrounding a second end of the telescopic tube so as to slidably move along the telescopic tube, a tilt shaft provided in the telescopic bracket, a tilt bracket rotatably coupled to the tilt shaft, an adjusting bolt passing through one side of the telescopic bracket and the tilt bracket, a cam provided on one end of the adjusting bolt, an adjusting lever driving the cam, and a tilt locking member provided on the other end of the adjusting bolt. In the apparatus, no cable is necessary and the adjusting lever is provided on the telescopic bracket, thereby smoothing the tilting and telescoping operations thereof. | 12-24-2009 |
| 20090308242 | PINION VALVE BODY AND PINION VALVE ASSEMBLY FOR VEHICLE EQUIPPED WITH THE SAME - A pinion valve body and a vehicle pinion valve assembly with the valve body are disclosed. The pinion valve body has a lower sleeve integrally formed by a sintering process along with upper splines to block an oil leakage and thus there are no needs any more for the conventional separate lower sleeve as well as the associated machining of sleeve fitting areas on the valve body and the process of press-fitting such sleeve all together, thereby effectively reducing the general manufacturing steps and their cost. | 12-17-2009 |
| 20090303026 | APPARATUS, METHOD FOR DETECTING CRITICAL AREAS AND PEDESTRIAN DETECTION APPARATUS USING THE SAME - An apparatus, method for detecting critical areas and a pedestrian detection apparatus using the same are provided. An application of the pedestrian detection system is provided to help limit critical urban environment to particular areas. Contrary to traditional pedestrian detection systems that localize every pedestrians appearing in front of the subject vehicle, the apparatus first finds critical areas from urban environment and performs a focused search of pedestrians. The environment is reconstructed using a standard laser scanner but the subsequent checking for the presence of pedestrians is performed by incorporating a vision system. The apparatus identifies pedestrians within substantially limited image areas and results in boosts of timing performance, since no evaluation of critical degrees is necessary until an actual pedestrian is informed to the driver or onboard computer. | 12-10-2009 |
| 20090254250 | VEHICLE HEIGHT CONTROL APPARATUS USING DATA COMMUNICATION BETWEEN BRAKING CONTROLLER AND SUSPENSION CONTROLLER AND CONTROL METHOD THEREOF - A vehicle height control apparatus includes a suspension controller for controlling vehicle height, a lateral acceleration sensor, a braking controller determining a road surface condition on the basis of a difference between a lateral acceleration measured by the lateral acceleration sensor and a lateral acceleration calculated using a vehicle speed and a steering angle, the braking controller determining vehicle height information to be reflected in the suspension controller on the basis of the measured lateral acceleration and a roll angle presumed on the basis of the determined road surface condition and the measured lateral acceleration, and an interface unit performing data communication between the braking controller and the suspension controller. | 10-08-2009 |
| 20090248249 | METHOD FOR DETERMINING CONTROLLED VARIABLE OF COORDINATE CONTROL ON SPLIT ROAD SURFACE USING DECELERATION OF VEHICLE - Disclosed herein is a method of determining a controlled variable of coordinate control on a split road surface using deceleration of a vehicle. The method includes calculating deceleration of the vehicle by differentiating a reference velocity (Vref) calculated by an electronic stability control system, calculating an override angle of an active front-wheel steering system by multiplying the deceleration of the vehicle by a control gain, determining a control direction of the vehicle, and obtaining a controlled variable for a steering angle by multiplying the calculated override angle of the active front-wheel steering system by the determined control direction of the vehicle. The method enables the vehicle to maintain a straight behavior without driver's steering intervention when the driver brakes on the split road surface | 10-01-2009 |
| 20090246052 | PUMP OF ELECTRONICALLY CONTROLLED BRAKE SYSTEM - A pump of an electronically controlled brake system. The pump includes a bore formed in a modulator block and connected with a suction port and a discharge port, a piston installed in the bore in a reciprocating movable manner and defining an inlet path therein, an inlet valve to open or close an exit-side end of the inlet path according to a position of the piston, and an outlet valve provided at one side of the bore, operations of the inlet and outlet valves being contrary to each other. The outlet valve includes a valve seat, a sleeve to surround the valve seat, an outlet ball interposed between the sleeve and the valve seat and used to open or close a path defined in the valve seat, and a valve cap provided at one side of the sleeve to isolate an interior from an exterior of the bore. One or more of the valve sheet, sleeve, and valve cap are formed by press-forming, to achieve improved assembly efficiency and reduced manufacturing costs. | 10-01-2009 |
| 20090246051 | PUMP OF ELECTRONICALLY CONTROLLED BRAKE SYSTEM - A pump of an electronically controlled brake system. The pump includes a bore formed in a modulator block and connected with a suction port and a discharge port, a piston installed in the bore in a reciprocating movable manner and defining an inlet path therein, an inlet valve to open or close an exit-side end of the inlet path according to a position of the piston, and an outlet valve provided at one side of the bore, operations of the inlet and outlet valves being contrary to each other. The outlet valve includes a valve seat, a sleeve to surround the valve seat, an outlet ball interposed between the sleeve and the valve seat and used to open or close a path defined in the valve seat, and a valve cap provided at one side of the sleeve to isolate an interior from an exterior of the bore. One or more of the valve sheet, sleeve, and valve cap are formed by press-forming, to achieve improved assembly efficiency and reduced manufacturing costs. | 10-01-2009 |
| 20090243889 | MONOCULAR MOTION STEREO-BASED FREE PARKING SPACE DETECTION APPARATUS AND METHOD - A monocular motion stereo-based automatic free parking space detection system is disclosed. The system acquires image sequences with a single rearview fisheye camera, three-dimensionally reconstructs the vehicle rearview by using point correspondences, and recovers metric information from a known camera height to estimate the positions of adjacent vehicles thereby detecting the free parking spaces. By using de-rotation-based feature selection and 3D structure mosaicking the degradation of the 3D structure near the epipole is solved and it is not necessary to use the unreliable odometry due to its accuracy depending on road conditions. | 10-01-2009 |
| 20090236194 | VALVE APPARATUS OF SHOCK ABSORBER - A valve apparatus for a shock absorber includes a piston valve having rebound and compression passages, a sliding valve movably coupled to a piston rod to block and open the rebound passages, and at least one valve disc provided at a lower side of the sliding valve and separated a predetermined distance from a washer by a retainer. The valve disc can be bent while resiliently supporting an outer periphery of the sliding valve. The valve disc has an increased size, so that easy control of a damping force at low speed and a gradual increase of the damping force even at high speed can be obtained by the shock absorber having a decreased size. | 09-24-2009 |
| 20090223754 | VEHICLE DISK BRAKE - Disclosed is a disk brake for a vehicle having a manual release unit, capable of manually releasing the contact of a disk and a friction pad which are locked in a braking state. The disk brake includes a disk rotating together with a wheel of the vehicle, a friction pad which makes contact with a side surface of the disk to generate braking force, a wedge member to which the friction pad is attached, a drive motor which generates driving force to move the wedge member in a direction of the disk, a power transmission part which sifts rotational motion of the drive motor into a linear motion of the wedge member, a pad compensation part which maintains a uniform gap between the friction pad and the disk, and a manual release part installed in the pad compensation part such that contact between the friction pad and the disk is manually released when the friction pad and the disk are locked in a braking state due to friction between the friction pad and the disk. | 09-10-2009 |
| 20090218801 | COLLISION ENERGY ABSORBABLE STEERING COLUMN FOR VEHICLE - Disclosed is a vehicular collision energy absorbable steering column coupled to a steering shaft. The steering column comprises shaped wires deformable to absorb a collision load in a vehicle collision, a cylindrical hollow outer tube, a cylindrical hollow inner tube having on its interior circumferential surface mounting grooves to secure the wires, and a distance bracket that is formed of a hollow tubular member having an outer tube joint at one end and an inner tube joint at the opposite end and has a pair of fastening flanges shaped into two spaced opposing plates formed on the outer circumferential surfaces of the tubular member for receiving the wires so that the distance bracket may collapse in the axial direction in the event of a vehicle collision through deforming the wires. | 09-03-2009 |
| 20090212622 | ELECTRONIC CONTROL BRAKE SYSTEM HAVING SIMULATION FUNCTION - Disclosed is an electronic control brake system capable of ensuing pedal force upon regenerative braking or brake-by-wire control. The electronic control brake system having a simulation function includes a master cylinder for forming oil pressure corresponding to displacement of a brake pedal, an oil tank for providing oil to the master cylinder, a cut-off valve installed on a hydraulic supply pipe that connects an inlet of the master cylinder with an inlet valve of a hydraulic brake, an oil return pipe for connecting an outlet valve of the hydraulic brake with an inlet of the oil tank, and a simulation valve installed on a differential adjusting pipe, which connects the hydraulic supply pipe with the oil return pipe, to generate pedal force. | 08-27-2009 |
| 20090211859 | SOLENOID VALVE ASSEMBLY OF SHOCK ABSORBER - Disclosed is a solenoid valve assembly of a shock absorber wherein a plug the position of which is threadedly adjusted is prevented from escaping. The solenoid valve assembly includes a tubular spool rod having a female threaded portion formed on one end thereof, a plug including a male threaded portion threadedly coupled to the female threaded portion and a head portion having a diameter lager than that of the male threaded portion, the plug being threadedly adjusted in position with respect to the spool rod. The assembly further includes one or more ring-shaped spacers positioned adjacent or contiguous the male threaded portion for filling a space between an end surface of the spool rod and the head portion, thereby providing fixing torque to the plug the position of which is adjusted. | 08-27-2009 |
| 20090208281 | CONNECTING DEVICE OF PARKING CABLE FOR ELECTRIC PARKING BRAKE - Disclosed is a connecting device of a parking cable for an electric parking brake, which connects an actuator for the electric parking brake with a parking cable. The connecting device includes a connector and a reaction force member. The connector includes a small diameter section having one side into which an outer peripheral surface of the parking brake is inserted, a large diameter section that extends from the small diameter section to have a diameter larger than that of the small diameter section, an axial cutout slit axially formed through upper and lower surfaces of an outer peripheral portion of the large diameter section such that protrusions circumferentially protruding from the actuator are inserted into the axial cutout slit through the large diameter section, a circumferential cutout slit that extends from an inner end of the axial cutout slit in a circumferential direction, and a cutout groove that axially extends from the circumferential cutout slit. The reaction force member is inserted into the large diameter section to press the protrusions such that the protrusions are seated in the cutout groove through the axial cutout slit and the circumferential cutout slit. According to the connecting device, the assembly work is facilitated, so the assembly efficiency can be improved and connection work using the connector can be easily performed. | 08-20-2009 |
| 20090207045 | METHOD AND APPARATUS FOR DETECTING TARGET PARKING POSITION BY USING TWO REFERENCE POINTS, AND PARKING ASSIST SYSTEM USING THE SAME - Disclosed are a method and an apparatus for detecting a target parking position by using two reference points, and a parking assist system using the same. The apparatus includes: a first unit for receiving an input image obtained by photographing a parking space and the two reference points in the input image; a second unit for detecting a target pattern of parking slot markings by using each of the two reference points; and a third unit for detecting the target parking position by using the detected target patterns. | 08-20-2009 |
| 20090205912 | ELECTRIC PARKING BRAKE - Disclosed is an electric parking brake. The electric parking brake includes a motor which forms torque through an electric device, multi-stage gears coupled with the motor, a gear wheel which is mechanically linked with the multi-stage gears, a screw nut which has a hollow structure, and is integrally formed with an inner circumferential surface of the gear wheel, a spindle geared with an inner circumferential surface of the screw nut to move in a shaft direction according to rotation of the gear wheel, a parking cable linked with the spindle at an outlet side of the spindle remote from the gear wheel, a stopper member fixed to an outer circumferential surface of a second end opposite to a first end of the spindle linked with the parking cable to prevent the spindle from excessively rotating when breaking is released. In the electric parking brake, the stopper member is fixed on the outer circumferential surface of an end opposite to one end of the spindle linked with the parking cable. In braking, the spindle moves in a direction to pull the parking cable such that the parking cable is pulled to the inner part of the screw nut. The length of the spindle and the space occupied by the spindle are reduced, so that the manufacturing cost can be significantly reduced. | 08-20-2009 |
| 20090200503 | SOLENOID VALVE ASSEMBLY OF VARIABLE DAMPING FORCE DAMPER AND METHOD OF ASSEMBLING THE SAME - A solenoid valve assembly of a variable damping force damper and a method of assembling the same are disclosed. The method includes coupling a valve housing to one side of a damper, accommodating an embedded assembly within the valve housing, the embedded assembly including a variable fluid path component and a solenoid operator, disposing a bobbin housing such that an inner circumference of the bobbin housing partially overlaps an outer circumference of the valve housing, while adjusting orientation of a power line connected to a bobbin accommodated in the bobbin housing, and fastening the bobbin housing to the valve housing, with the orientation of the power line adjusted. | 08-13-2009 |
| 20090145709 | SHOCK ABSORBER - Disclosed herein is a shock absorber for damping vibration transmitted to a vehicle according to a road state. The shock absorber includes a cylinder and a piston valve disposed within the cylinder and connected to a piston rod to divide the cylinder into a first chamber and a second chamber. The shock absorber further includes a hollow chamber formed within the piston rod, a floating piston disposed within the hollow chamber to move up and down and to divide the hollow chamber into upper and lower chambers, first and second orifices formed in upper and lower ends of the hollow chamber and connected to the first and second chambers, respectively, and a resistance changing mechanism configured to cooperate with the floating piston and change a fluid resistance with respect to the floating piston where the resistance changing mechanism cooperates therewith. | 06-11-2009 |
| 20090145708 | SHOCK ABSORBER - Disclosed herein is a shock absorber for damping vibration transmitted to a vehicle according to a road state. The shock absorber includes a cylinder and a piston valve disposed within the cylinder and connected to a piston rod to divide the cylinder into a first chamber and a second chamber. The piston rod includes a hollow chamber formed within the piston rod, first and second orifices formed in upper and lower ends of the hollow chamber and connected to the first and second chambers, respectively, a floating piston disposed within the hollow chamber to move up and down and to divide the hollow chamber into upper and lower chambers, and a moving mechanism formed in the hollow chamber to move an operating fluid to upper and lower portions of the floating piston. The shock absorber can change a damping force according to a displacement of the piston rod, thereby improving driving comfort and stability of the vehicle. | 06-11-2009 |
| 20090140572 | PRESSURE SENSOR - The present invention relates to a pressure sensor employed in a stability control apparatus for a vehicle. According to an aspect, there is provided a pressure sensor installed to a hydraulic unit and being in contact with a circuit board of an electronic control unit to sense brake oil pressure. The pressure sensor comprises a connecting terminal formed on the circuit board of the electronic control board and comprising a press-fit terminal; a press-fit being in slidable and movable contact with the press-fit terminal; and a spring connecting the press-fit and the press-fit terminal. | 06-04-2009 |
| 20090132122 | SHOCK ABSORBER FOR CONTROLLING DAMPING FORCE CHARACTERISTICS - Disclosed herein is a shock absorber capable of controlling damping force characteristics. The shock absorber includes a cylinder filled with an operating fluid, a piston valve disposed inside the cylinder to divide an interior of the cylinder into a first chamber and a second chamber, a piston rod having one end extending outside the cylinder and the other end coupled to the piston valve inside the cylinder, a hollow chamber formed inside the piston rod to communicate with the first and second chambers, a free piston disposed within the hollow chamber to move up and down and to divide the hollow chamber into upper and lower chambers, and a variable part configured to control the damping force characteristics by adjusting a vertical displacement of the free piston. | 05-21-2009 |
| 20090127034 | DISK BRAKE FOR VEHICLES - Disclosed herein is a disk brake for vehicles including a gap adjuster to compensate for a gap between a frictional pad and a disk based upon the wear of the frictional pad. The disk brake includes a disk rotatable along with each wheel of a vehicle, a movable frictional pad configured to press against one side of the disk to generate a braking force, a wedge member having the movable frictional pad attached to one side thereof, the wedge member being movable to the rotation direction of the disk by a drive motor to generate a power such that the wedge member advances to the disk, and a guide member to guide the wedge member such that the wedge member advances to the disk. The disk brake further includes a gap adjuster to uniformly maintain a gap between the movable frictional pad and the disk. | 05-21-2009 |
| 20090121541 | SOLENOID VALVE FOR BRAKE SYSTEM - A solenoid valve for a brake system, which has a simple constitution and can be easily manufactured with reduced manufacturing costs, is disclosed. A valve core is formed in a cylindrical shape, and has a through-hole formed in a longitudinal direction of the valve core and a fluid passage formed in a radial direction of the valve core so as to communicate with the through-hole. A sleeve is coupled to an outer surface of the valve core. The sleeve has a dome-shaped shielding portion at one end, and a flange portion to be fixed to a modulator block at the other end. An armature is slidably mounted in the sleeve. An exciting coil is provided to move the armature. A valve seat is fixed in the valve core, and has a first orifice. A plunger is mounted in the valve core. The plunger moves by movement of the armature to open or close the first orifice. A restoring spring is provided to press the plunger toward the armature. A filter member is coupled to the valve core to surround an outer surface and an end portion of the valve core, which are to be received in a bore of the modulator block. The filter member includes a filtering part to filter oil, a second orifice to rectify oil flow, and a check valve to permit oil to flow back when braking operation is released. | 05-14-2009 |
| 20090112434 | ELECTRONIC HYDRAULIC PRESSURE CONTROL SYSTEM AND CONTROL METHOD THEREOF - Disclosed are an electronic hydraulic pressure control system and a control method thereof, capable of detecting an error in differential pressure between a master cylinder and a wheel cylinder. The control method includes the steps of acquiring pressure of a master cylinder and pedal pressure according to a stroke distance of a pedal, detecting a time point at which the pressure of the master cylinder and the pedal pressure reach predetermined reference pressure, and determining that an error occurs if the time point exceeds a predetermined reference time point. | 04-30-2009 |
| 20090112433 | METHOD FOR CONTROLLING VALVE IN ELECTRONIC HYDRAULIC PRESSURE CONTROL SYSTEM - Disclosed is a method for controlling a valve in an electronic hydraulic pressure control system, capable of effectively controlling the valve such that differential pressure between a master cylinder and a wheel cylinder is constantly maintained. The method includes the steps of measuring pressure of the master cylinder, measuring pressure of the wheel cylinder, and controlling on/off operation of the valve based on a current value obtained according to the differential pressure between the master cylinder and the wheel cylinder. | 04-30-2009 |
| 20090110571 | HYDRAULIC PUMP FOR BRAKE SYSTEM - Disclosed is a hydraulic pump for a brake system including a piston installed in a bore formed in the modulator block having an inlet and an outlet such that the piston can reciprocate and having a channel communicating with the inlet, a plug installed in the bore for dividing the inside of the bore into a pressure chamber, in which the piston is located, and a discharge chamber communicating with the outlet and having an orifice communicating the pressure chamber and the discharge chamber with each other, and a discharge valve installed in the discharge chamber for opening and closing the orifice, wherein a filter for filtering oil, fed into the bore through the inlet, is installed in the bore, and surrounds the outer surface of the piston so as to guide the piston. Since the filter for filtering the oil serves as a guide member guiding the piston as well as a filtering member, the hydraulic pump reduces the number of components and reduces an occupied space. | 04-30-2009 |
| 20090107777 | PARKING BRAKE DEVICE OF DISK BRAKE - Disclosed is a parking brake device of a disk brake. The parking brake device includes a caliper housing including a finger unit and a body part to push pad plates, which are installed at both sides of a disk, to closely make contact with the disk, a cylinder provided in the body part of the caliper housing, a piston slidably provided in the cylinder to move the pad plates toward the disk by using driving force generated from hydraulic pressure or mechanical thrust force, a cam unit provided at a rear portion of the cylinder to transform rotation motion of a parking brake lever into linear motion of the piston, and including an operating shaft, a ramp, and a ball, and a push rod which delivers linear motion of the cam unit into the piston. A flange part of the push rod is coupled to an open front end of the ramp having a cylindrical shape by using grooves or protrusions, so that the push rod is easily prevented from rotating. | 04-30-2009 |
| 20090099747 | METHOD FOR RECOGNIZING REFERENCE POSITION OF WEDGE OF DISK BRAKE FOR VEHICLES - Disclosed is a method for recognizing the reference position of a wedge of a disk brake for vehicles, which has a disk rotating together with the rotation of a wheel of a vehicle, a movable friction pad rubbing against one surface of the disk and generating driving force, a wedge member having one surface, to which the movable friction pad is attached, and moving in the rotating direction of the disk and moving forward to the disk by a driving motor for generating driving force, a guide member guiding the wedge member to the disk when the wedge member moves in the rotating direction of the disk, and a driving force transfer member screw-connected to a rotary shaft of the driving motor, moving in the rotating direction of the disk by the driving motor, and causing the wedge member to move in the rotating direction of the disk, including moving the wedge member to the left end of an operating section and recognizing the position of the left end, when a driver applies a pressure to a pedal; moving the wedge member to the right end of the operating section and recognizing the position of the right end, when the position of the left end is recognized; determining the middle position between the left end and the right end to be the central point of the entire moving distance; and recognizing the middle position as a reference position for controlling the braking of the wedge member. | 04-16-2009 |
| 20090096282 | SOLENOID VALVE FOR BRAKE SYSTEM - A solenoid valve for a brake system capable of being easily manufactured with reduced manufacturing costs is disclosed. A valve seat member has an inner passage formed through the valve seat member in a longitudinal direction thereof, an outer passage formed on an outer surface of the valve seat member in the longitudinal direction, and a seat portion formed with a first orifice above the inner passage. The seat portion is formed unitarily with the valve seat member. A sleeve is coupled on the outer surface of the valve seat member. The sleeve has a flange portion to be fixed to a modulator block. A valve core is coupled to a portion of the sleeve, opposite to the flange portion. An armature is slidably mounted in the sleeve. The armature has an opening/closing portion to open or close the first orifice. A restoring spring presses the armature toward the first orifice. | 04-16-2009 |
| 20090095929 | SOLENOID VALVE FOR BRAKE SYSTEM - A solenoid valve for a brake system enabling miniaturization of the valve and having an improved configuration to facilitate assembly and production of the valve. The solenoid valve includes an armature provided at one end thereof with an opening/closing member, a valve housing including a hollow first valve block fixed in a modulator block and a second valve block disposed below the first valve block and having an inlet for introduction of fluid, a valve seat installed in the first valve block and having a flow-hole to be opened or closed by the opening/closing member and a hollow extending longitudinally from the flow-hole, and an orifice sleeve located in the second valve block to define a fluid discharge passage and having an orifice formed in one end thereof to communicate with the hollow of the valve seat. | 04-16-2009 |
| 20090095928 | SOLENOID VALVE FOR BRAKE SYSTEM - A solenoid valve for a brake system, which has a simplified configuration and can be easily manufactured with reduced manufacturing costs. The solenoid valve includes valve seat member integrally formed with a seat portion having a first orifice, an opening/closing member slidably installed in the valve seat member, the opening/closing member having an inner passage formed through the opening/closing member, an outer passage formed at an outer surface of the opening/closing member, a second orifice formed at one end of the opening/closing member, the second orifice having a smaller diameter than that of the first orifice, and a first opening/closing portion formed at the other end of the opening/closing member to open or close the first orifice, an opening spring to move the opening/closing member, for opening of the first orifice, a sleeve having a first end coupled to an outer surface of the valve seat member and a flange formed at the first end so as to be fixed to a modulator block, a valve core coupled to a second end of the sleeve, opposite to the first end of the sleeve, an armature slidably mounted in the sleeve, the armature having a second opening/closing portion to open or close the second orifice, and a restoring spring to press the armature toward the second orifice. | 04-16-2009 |
| 20090020377 | DISK BRAKE FOR VEHICLE - Disclosed is a disk brake for a vehicle having a power transmission device that presses a friction pad against a disk by using a worm gear. The disk brake includes a movable friction pad that makes contact with one lateral side of a disk rotating together with a vehicle wheel, thereby generating braking force, a wedge member, which is provided at one side thereof with the movable friction pad and moves toward the disk by means of a driving motor generating a driving force, a guide member for guiding the wedge member such that the wedge member moves back and force relative to the disk; and a power transmission device installed between the driving motor and the guide member so as to convert the driving force of the driving motor into a linear movement in a direction perpendicular to a rotating shaft of the driving motor. | 01-22-2009 |
| 20080252140 | VALVE FOR ANTI-LOCK BRAKE SYSTEM - A valve for an anti-lock brake system in which a structure of a valve housing is modified, thereby reducing the manufacturing cost. The valve for the anti-lock brake system includes a valve core, an armature, which is disposed below the valve core and has a spherical member installed at an end of the armature, a cylindrical sleeve which is coupled at an outer circumference of the valve core and the armature to allow the armature to move forward and backward, a first elastic member installed between the valve core and the armature, a valve housing, which is coupled at an end of the cylindrical sleeve and is formed therein with a hollow section extending lengthwise along the valve housing, a seat plunger, which is installed in the hollow section to move forward and backward and is formed with a first orifice that is opened/closed by the spherical member, a second elastic member installed between an upper end of the seat plunger and a lower end of the valve housing, and a filter seat, which is provided at an outer circumference and a lower portion thereof with an inlet and an outlet, respectively, and is press-fitted into a lower outer circumferential portion of the valve housing. | 10-16-2008 |
| 20080252139 | VALVE FOR ANTI-LOCK BRAKE SYSTEM - Disclosed is a valve for an anti-lock brake system, in which a sleeve sheet is assembled with a lower portion of a valve housing, so that the external shape and the structure of the valve are simplified. The valve includes a valve core; an armature positioned below the valve core and provided at an end thereof with a ball; a cylindrical sleeve coupled with outer peripheral surfaces of the valve core and the armature to guide an up/down movement of the armature; a first elastic member installed between the valve core and the armature; a valve housing coupled to one end of the cylindrical sleeve and formed therein with a hollow section that extends lengthwise along the valve housing; a valve seat press-fitted into the hollow section and formed with a first orifice which is open/closed by the ball; and a filter seat press-fitted into the valve housing and provided with an inlet and an outlet, which are positioned at a circumferential portion and a lower portion of the filter seat, respectively. | 10-16-2008 |
| 20080245069 | PUMP OF ELECTRONICALLY CONTROLLED BRAKE SYSTEM - A pump of an electronically controlled brake system. The pump includes a bore formed in a modulator block and connected with a suction port and a discharge port, a piston installed in the bore in a reciprocating movable manner and defining an inlet path therein, an inlet valve to open or close an exit-side end of the inlet path according to a position of the piston, and an outlet valve provided at one side of the bore, operations of the inlet and outlet valves being contrary to each other. The outlet valve includes a valve seat, a sleeve to surround the valve seat, an outlet ball interposed between the sleeve and the valve seat and used to open or close a path defined in the valve seat, and a valve cap provided at one side of the sleeve to isolate an interior from an exterior of the bore. One or more of the valve sheet, sleeve, and valve cap are formed by press-forming, to achieve improved assembly efficiency and reduced manufacturing costs. | 10-09-2008 |
| 20080237524 | VALVE FOR ANTI-LOCK BRAKE SYSTEM - A valve for an anti-lock brake system is capable of reducing the cost of production through structural improvement of a valve housing. The valve includes a valve core, an armature located below the valve core and having a ball, a cylindrical sleeve coupled to the valve core and armature and guiding the armature to move backward and forward, a first elastic member installed between the valve core and the armature, a valve housing coupled to the sleeve and having a longitudinal hollow space, a seat plunger movably installed in the hollow space and having a first orifice, a second elastic member installed between the seat plunger and the valve housing, a seat having an outlet and a second orifice that communicates with the first orifice, and a seat housing coupled to the valve housing and the seat, supporting the valve housing and the seat spaced apart from each other, and having an inlet between the valve housing and the seat. | 10-02-2008 |
