Patents by Inventor Ha Min JUNG
Ha Min JUNG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11667291Abstract: At least one embodiment of the present disclosure provides an apparatus for braking a vehicle, including a plurality of electro-mechanical braking (EMB) systems respectively installed for a plurality of vehicle wheels and configured to generate a braking force to the plurality of wheels, respectively, a driving information detecting unit for measuring driving information of the vehicle, an electronic power steering (EPS) system generating a steering torque in a direction opposite to a braking torque generated in the vehicle, and an electronic control unit (ECU) controlling the electro-mechanical braking systems and the electronic power steering system, wherein the electronic control unit is configured to control, upon determining that one or some of the plurality of electro-mechanical braking systems are malfunctioning, the vehicle by using the electronic power steering system, and the electronic power steering system is configured to generate the steering torque according to the driving information includingType: GrantFiled: May 27, 2021Date of Patent: June 6, 2023Assignee: HYUNDAI MOBIS CO., LTD.Inventor: Ha Min Jung
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Patent number: 11493103Abstract: An electric brake apparatus of a vehicle includes a caliper body formed with a cylinder section and a boost force support section disposed to face the cylinder section with a brake disc interposed therebetween; an internal motor installed in the cylinder section, and generating a rotational displacement by application of current; a push rod disposed coaxially with the internal motor; a ball-in-ramp disposed between the internal motor and the push rod, converting the rotation displacement of the internal motor into a linear displacement, and transferring the linear displacement to the push rod; a piston disposed in an open part of the cylinder section, pushed and moved by the push rod; a first friction pad coupled to the piston, and disposed on one side of the brake disc; and a second friction pad coupled to the boost force support section, and disposed on the other side of the brake disc.Type: GrantFiled: October 1, 2020Date of Patent: November 8, 2022Assignee: HYUNDAI MOBIS CO., LTD.Inventor: Ha Min Jung
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Patent number: 11273817Abstract: An electric booster may include: a driving part; a gear part rotated by the driving part so as to transfer power; a rotating nut part rotated by the gear part; a moving bolt part screwed to the rotating nut part, and linearly reciprocated by the rotation of the rotating nut part; a pedal pressing part disposed through the moving bolt part, and configured to transfer a pedal force; a load part moved by the moving bolt part and the pedal pressing part, and configured to amplify hydraulic pressure; a disk part formed in the load part, and configured to relieve shock of the moving bolt part and the pedal pressing part; and a housing part mounted on the driving part, configured to house the gear part, the rotating nut part, the moving bolt part and the pedal pressing part therein, and constituted by a pair of housing parts.Type: GrantFiled: July 6, 2020Date of Patent: March 15, 2022Assignee: HYUNDAI MOBIS CO., LTD.Inventor: Ha Min Jung
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Publication number: 20210370943Abstract: At least one embodiment of the present disclosure provides an apparatus for braking a vehicle, including a plurality of electro-mechanical braking (EMB) systems respectively installed for a plurality of vehicle wheels and configured to generate a braking force to the plurality of wheels, respectively, a driving information detecting unit for measuring driving information of the vehicle, an electronic power steering (EPS) system generating a steering torque in a direction opposite to a braking torque generated in the vehicle, and an electronic control unit (ECU) controlling the electro-mechanical braking systems and the electronic power steering system, wherein the electronic control unit is configured to control, upon determining that one or some of the plurality of electro-mechanical braking systems are malfunctioning, the vehicle by using the electronic power steering system, and the electronic power steering system is configured to generate the steering torque according to the driving information includingType: ApplicationFiled: May 27, 2021Publication date: December 2, 2021Inventor: Ha Min JUNG
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Publication number: 20210323514Abstract: An electrohydraulic brake apparatus includes: a plurality of wheel brake assemblies; an electric booster including a motor for boosting a pedal force applied to a brake pedal; an electronic stability control system including a pressure sensor for measuring a hydraulic pressure and configured to open or close a plurality of valves disposed therein to distribute the hydraulic pressure to the plurality of wheel brake assemblies; and an electronic control unit configured to control a driving current of the motor within a range of a current value of smaller than or equal to a first limit current when the hydraulic pressure measured by the pressure sensor is smaller than or equal to a first reference, and control the driving current of the motor within a range of the current value of larger than the first limit current and smaller than or equal to a second limit current when the hydraulic pressure is larger than the first reference.Type: ApplicationFiled: April 14, 2021Publication date: October 21, 2021Inventor: Ha Min JUNG
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Publication number: 20210102588Abstract: An electric brake apparatus of a vehicle includes a caliper body formed with a cylinder section and a boost force support section disposed to face the cylinder section with a brake disc interposed therebetween; an internal motor installed in the cylinder section, and generating a rotational displacement by application of current; a push rod disposed coaxially with the internal motor; a ball-in-ramp disposed between the internal motor and the push rod, converting the rotation displacement of the internal motor into a linear displacement, and transferring the linear displacement to the push rod; a piston disposed in an open part of the cylinder section, pushed and moved by the push rod; a first friction pad coupled to the piston, and disposed on one side of the brake disc; and a second friction pad coupled to the boost force support section, and disposed on the other side of the brake disc.Type: ApplicationFiled: October 1, 2020Publication date: April 8, 2021Inventor: Ha Min JUNG
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Publication number: 20210016757Abstract: An electric booster may include: a driving part; a gear part rotated by the driving part so as to transfer power; a rotating nut part rotated by the gear part; a moving bolt part screwed to the rotating nut part, and linearly reciprocated by the rotation of the rotating nut part; a pedal pressing part disposed through the moving bolt part, and configured to transfer a pedal force; a load part moved by the moving bolt part and the pedal pressing part, and configured to amplify hydraulic pressure; a disk part formed in the load part, and configured to relieve shock of the moving bolt part and the pedal pressing part; and a housing part mounted on the driving part, configured to house the gear part, the rotating nut part, the moving bolt part and the pedal pressing part therein, and constituted by a pair of housing parts.Type: ApplicationFiled: July 6, 2020Publication date: January 21, 2021Inventor: Ha Min JUNG
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Patent number: 9464681Abstract: A parking brake apparatus may include: a housing; a gear unit installed in the housing, and rotated by operation of a motor unit; a nut screw part connected to the gear unit, and rotated by the rotation of the gear unit; a bolt screw coupled the nut screw part so as to pass through the nut screw part, and moved in a longitudinal direction inside the nut screw part in connection with the rotation of the nut screw part; a cable connected to the bolt screw; a piston unit installed to be slidably moved in the housing, and having one side through which the cable passes and the other side which is extended toward the nut screw part; and an elastic member arranged between an inner wall of the housing and the piston unit, and elastically deformed as the piston is slidably moved.Type: GrantFiled: December 26, 2014Date of Patent: October 11, 2016Assignee: HYUNDAI MOBIS CO., LTD.Inventors: Choong Sik Shin, Jae Hyun Park, Ha Min Jung, Chun Su Kim
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Patent number: 9453544Abstract: An electronic parking brake for a vehicle includes: a drum assembly braking a wheel; a driving motor generating a driving force for braking the wheel; a driving gear coupled to a driving shaft of the driving motor and rotated; a driven gear coupled to the driving gear and rotated; a cable operating member geared to the driven gear, and advanced or retreated by the rotation of the driven gear so as to operate a parking cable of the drum assembly; an elastic member restricting the movement of the cable operating member; a current sensing unit configured to sense a driving current of the driving motor and provide the sensed driving current; and a control unit configured to operate the driving motor during brake release, and control the operation of the driving motor based on a change of the driving current inputted from the current sensing unit during brake release.Type: GrantFiled: December 26, 2014Date of Patent: September 27, 2016Assignee: HYUNDAI MOBIS CO., LTD.Inventor: Ha Min Jung
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Publication number: 20150345581Abstract: A parking brake apparatus may include: a housing; a gear unit installed in the housing, and rotated by operation of a motor unit; a nut screw part connected to the gear unit, and rotated by the rotation of the gear unit; a bolt screw coupled the nut screw part so as to pass through the nut screw part, and moved in a longitudinal direction inside the nut screw part in connection with the rotation of the nut screw part; a cable connected to the bolt screw; a piston unit installed to be slidably moved in the housing, and having one side through which the cable passes and the other side which is extended toward the nut screw part; and an elastic member arranged between an inner wall of the housing and the piston unit, and elastically deformed as the piston is slidably moved.Type: ApplicationFiled: December 26, 2014Publication date: December 3, 2015Inventors: Choong Sik SHIN, Jae Hyun PARK, Ha Min JUNG, Chun Su KIM
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Publication number: 20150345580Abstract: An electronic parking brake for a vehicle includes: a drum assembly braking a wheel; a driving motor generating a driving force for braking the wheel; a driving gear coupled to a driving shaft of the driving motor and rotated; a driven gear coupled to the driving gear and rotated; a cable operating member geared to the driven gear, and advanced or retreated by the rotation of the driven gear so as to operate a parking cable of the drum assembly; an elastic member restricting the movement of the cable operating member; a current sensing unit configured to sense a driving current of the driving motor and provide the sensed driving current; and a control unit configured to operate the driving motor during brake release, and control the operation of the driving motor based on a change of the driving current inputted from the current sensing unit during brake release.Type: ApplicationFiled: December 26, 2014Publication date: December 3, 2015Inventor: Ha Min JUNG