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).

  • Patent number: 11667291
    Abstract: 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 including
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: June 6, 2023
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventor: Ha Min Jung
  • Patent number: 11493103
    Abstract: 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: Grant
    Filed: October 1, 2020
    Date of Patent: November 8, 2022
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventor: Ha Min Jung
  • Patent number: 11273817
    Abstract: 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: Grant
    Filed: July 6, 2020
    Date of Patent: March 15, 2022
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventor: Ha Min Jung
  • Publication number: 20210370943
    Abstract: 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 including
    Type: Application
    Filed: May 27, 2021
    Publication date: December 2, 2021
    Inventor: Ha Min JUNG
  • Publication number: 20210323514
    Abstract: 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: Application
    Filed: April 14, 2021
    Publication date: October 21, 2021
    Inventor: Ha Min JUNG
  • Publication number: 20210102588
    Abstract: 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: Application
    Filed: October 1, 2020
    Publication date: April 8, 2021
    Inventor: Ha Min JUNG
  • Publication number: 20210016757
    Abstract: 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: Application
    Filed: July 6, 2020
    Publication date: January 21, 2021
    Inventor: Ha Min JUNG
  • Patent number: 9464681
    Abstract: 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: Grant
    Filed: December 26, 2014
    Date of Patent: October 11, 2016
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Choong Sik Shin, Jae Hyun Park, Ha Min Jung, Chun Su Kim
  • Patent number: 9453544
    Abstract: 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: Grant
    Filed: December 26, 2014
    Date of Patent: September 27, 2016
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventor: Ha Min Jung
  • Publication number: 20150345581
    Abstract: 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: Application
    Filed: December 26, 2014
    Publication date: December 3, 2015
    Inventors: Choong Sik SHIN, Jae Hyun PARK, Ha Min JUNG, Chun Su KIM
  • Publication number: 20150345580
    Abstract: 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: Application
    Filed: December 26, 2014
    Publication date: December 3, 2015
    Inventor: Ha Min JUNG