Patents by Inventor Woochul LIM

Woochul LIM 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: 11841057
    Abstract: An electro-mechanical brake and a vehicle including the same are provided. As an electro-mechanical brake according to an aspect of the present invention, an electro-mechanical brake including a pair of brake pads disposed on both sides of a disc, may include a motor that provides a rotational driving force; a rotating screw that rotates about a second rotating shaft parallel to a first rotating shaft of the motor; a power transmission unit that transmits the rotational driving force of the motor to the rotating screw; and a piston that is coupled to the rotating screw to be able to move forward and backward to press the disc with the brake pads.
    Type: Grant
    Filed: February 1, 2023
    Date of Patent: December 12, 2023
    Assignee: HL MANDO CORPORATION
    Inventors: Joon-kyu Song, Pyeong Kook Son, Jin Seok Kim, Woochul Lim, Dae June Jung
  • Publication number: 20230375058
    Abstract: A brake locking apparatus for locking the position of a brake pad in a vehicle, the brake locking apparatus may include: a housing; a first rotating member including: a first body part inside the housing configured to rotate in conjunction with movement of the brake pad, and a first protrusion including a first support surface extending radially outwardly from a first side of the first body part, wherein the first body part is cylindrical; and an elastic member including: a spring part positioned on a circumferential side of the first body part and having an outer circumferential surface adjacent an inner surface of the housing, and a first bent part bent inwardly at a first end of the spring part to elastically support the first support surface.
    Type: Application
    Filed: May 19, 2023
    Publication date: November 23, 2023
    Inventors: DAEJUNE JUNG, WOOCHUL LIM, JOON-KYU SONG
  • Patent number: 11821480
    Abstract: Provided are an electromechanical brake and a vehicle including the same. An electromechanical brake according to an embodiment of the present disclosure includes a pair of brake pads disposed at two opposite sides of a disc and include a hollow motor configured to provide rotational driving power and having an internal space penetratively formed in a direction in which a rotation axis extends, a nut configured to rotate about the rotation axis of the motor, a Power train coupled to a front side of the motor and configured to transmit the rotational driving power of the motor to the nut, and a pressing screw coupled to the nut and configured to advance or retreat toward the brake pad.
    Type: Grant
    Filed: October 27, 2022
    Date of Patent: November 21, 2023
    Assignee: HL MANDO CORPORATION
    Inventors: Woochul Lim, Dae June Jung, Joon-Kyu Song
  • Patent number: 11772625
    Abstract: Provided are an electromechanical brake and a vehicle including the same.
    Type: Grant
    Filed: October 27, 2022
    Date of Patent: October 3, 2023
    Assignee: HL MANDO CORPORATION
    Inventors: Woochul Lim, Joon-Kyu Song, Pyeong Kook Son, Jin Seok Kim, Dae June Jung
  • Publication number: 20230175565
    Abstract: An electro-mechanical brake and a vehicle including the same are provided. As an electro-mechanical brake according to an aspect of the present invention, an electro-mechanical brake including a pair of brake pads disposed on both sides of a disc, may include a motor that provides a rotational driving force; a rotating screw that rotates about a second rotating shaft parallel to a first rotating shaft of the motor; a power transmission unit that transmits the rotational driving force of the motor to the rotating screw; and a piston that is coupled to the rotating screw to be able to move forward and backward to press the disc with the brake pads.
    Type: Application
    Filed: February 1, 2023
    Publication date: June 8, 2023
    Inventors: Joon-kyu SONG, Pyeong Kook SON, Jin Seok KIM, Woochul LIM, Dae June JUNG
  • Publication number: 20230131753
    Abstract: Provided are an electromechanical brake and a vehicle including the same. An electromechanical brake according to an embodiment of the present disclosure includes a pair of brake pads disposed at two opposite sides of a disc and include a hollow motor configured to provide rotational driving power and having an internal space penetratively formed in a direction in which a rotation axis extends, a nut configured to rotate about the rotation axis of the motor, a Power train coupled to a front side of the motor and configured to transmit the rotational driving power of the motor to the nut, and a pressing screw coupled to the nut and configured to advance or retreat toward the brake pad.
    Type: Application
    Filed: October 27, 2022
    Publication date: April 27, 2023
    Inventors: Woochul LIM, Dae June JUNG, Joon-Kyu SONG
  • Publication number: 20230130314
    Abstract: Provided are an electromechanical brake and a vehicle including the same.
    Type: Application
    Filed: October 27, 2022
    Publication date: April 27, 2023
    Inventors: Woochul LIM, Joon-Kyu SONG, Pyeong Kook SON, Jin Seok KIM, Dae June JUNG
  • Patent number: 11629766
    Abstract: An electro-mechanical brake and a vehicle including the same are provided. As an electro-mechanical brake according to an aspect of the present invention, an electro-mechanical brake including a pair of brake pads disposed on both sides of a disc, may include a motor that provides a rotational driving force; a rotating screw that rotates about a second rotating shaft parallel to a first rotating shaft of the motor; a power transmission unit that transmits the rotational driving force of the motor to the rotating screw; and a piston that is coupled to the rotating screw to be able to move forward and backward to press the disc with the brake pads.
    Type: Grant
    Filed: August 11, 2022
    Date of Patent: April 18, 2023
    Assignee: HL MANDO CORPORATION
    Inventors: Joon-Kyu Song, Pyeong Kook Son, Jin Seok Kim, Woochul Lim, Dae June Jung
  • Publication number: 20230082813
    Abstract: Disclosed herein an electric parking brake including a ball-screw type power conversion unit installed in a caliper housing to convert a rotational force into a linear motion, The electric parking brake includes a motor configured to generate a rotational force, a first gear unit including a first connection portion, the first connection portion directly connected to a main helical gear provided on a motor shaft of the motor, a second gear unit including a second connection portion, the second connection portion spaced apart from the first connection portion by a predetermined distance and directly connected to the main helical gear, and a reduction gear unit connected to any one of the first gear unit and the second gear unit and configured to transmit the rotational force generated from the motor to a spindle of the power conversion unit, wherein any one of the first and second gear units is configured to perform a self-locking function when a parking braking force is generated.
    Type: Application
    Filed: September 14, 2022
    Publication date: March 16, 2023
    Applicant: MANDO CORPORATION
    Inventors: Woochul LIM, Daejune JUNG
  • Publication number: 20230062142
    Abstract: An electro-mechanical brake and a vehicle including the same are provided. As an electro-mechanical brake according to an aspect of the present invention, an electro-mechanical brake including a pair of brake pads disposed on both sides of a disc, may include a motor that provides a rotational driving force; a rotating screw that rotates about a second rotating shaft parallel to a first rotating shaft of the motor; a power transmission unit that transmits the rotational driving force of the motor to the rotating screw; and a piston that is coupled to the rotating screw to be able to move forward and backward to press the disc with the brake pads.
    Type: Application
    Filed: August 11, 2022
    Publication date: March 2, 2023
    Inventors: Joon-kyu SONG, Pyeong Kook SON, Jin Seok KIM, Woochul LIM, Dae June JUNG
  • Publication number: 20230060796
    Abstract: An electro-mechanical brake and a vehicle including the same are provided. As an electro-mechanical brake according to one embodiment of the present invention, an electro-mechanical brake including a drum, a first brake shoe, and a second brake shoe, may include a motor that provides a rotational driving force; a rotating member that rotates about a second rotating shaft perpendicular to a first rotating shaft of the motor; a power transmission member that transmits the rotational driving force of the motor to the rotating member; and a rotating screw that is coupled to the rotating member so that the first brake shoe is able to move forward and backward toward one inner peripheral surface of the drum.
    Type: Application
    Filed: August 10, 2022
    Publication date: March 2, 2023
    Applicant: MANDO Corporation
    Inventors: Pyeong Kook SON, Woochul LIM
  • Publication number: 20230068562
    Abstract: Disclosed is an actuator for a brake device.
    Type: Application
    Filed: January 19, 2021
    Publication date: March 2, 2023
    Applicant: MANDO CORPORATION
    Inventors: Woochul LIM, Soosung KIM, Daejune JUNG, Joon-kyu SONG
  • Publication number: 20230046722
    Abstract: The present disclosure relates to an actuator for a brake device. The actuator includes a housing having a motor accommodating part and a gear accommodating part, a motor accommodated in the motor accommodating part, and a reduction device accommodated in the gear accommodating part, wherein the reduction device includes, a crossed helical gear reduction unit including a driving crossed helical gear coupled to a shaft of the motor, and a ring wheel provided with a driven crossed helical gear engaged with the driving crossed helical gear on an outer circumference thereof, and a planetary gear reduction unit including a sun gear rotating together with the ring wheel, a ring gear provided as an internal gear, a plurality of planetary gears engaged with the sun gear and the ring gear, and a carrier on which the plurality of planetary gears is rotatably supported and having an output shaft.
    Type: Application
    Filed: January 25, 2021
    Publication date: February 16, 2023
    Applicant: MANDO CORPORATION
    Inventors: Woochul LIM, Soosung KIM, Daejune JUNG, Joon-kyu SONG
  • Patent number: 11578773
    Abstract: An electro-mechanical brake and a vehicle including the same are provided. As an electro-mechanical brake according to one embodiment of the present invention, an electro-mechanical brake including a drum, a first brake shoe, and a second brake shoe, may include a motor that provides a rotational driving force; a rotating member that rotates about a second rotating shaft perpendicular to a first rotating shaft of the motor; a power transmission member that transmits the rotational driving force of the motor to the rotating member; and a rotating screw that is coupled to the rotating member so that the first brake shoe is able to move forward and backward toward one inner peripheral surface of the drum.
    Type: Grant
    Filed: August 10, 2022
    Date of Patent: February 14, 2023
    Assignee: HL Mando Corporation
    Inventors: Pyeong Kook Son, Woochul Lim
  • Publication number: 20220297660
    Abstract: Disclosed herein an electric parking brake includes a pair of pressing portions provided in a caliper housing to convert rotational motion into linear motion to press a brake pad; an actuator configured to transmit power to the pair of pressing portions; and a load control portion provided rotatably between the pair of pressing portions and the actuator, the load control portion applying a uniform load to the pair of pressing portions by pressing any one of the pair of pressing portions that generates a less load during braking operation.
    Type: Application
    Filed: March 10, 2022
    Publication date: September 22, 2022
    Inventors: Woochul LIM, Joon-Kyu Song, Daejune Jung
  • Publication number: 20220185256
    Abstract: An actuator of an electric parking brake is disclosed. According to one embodiment of the present invention, an actuator of an electric parking brake is provided, the actuator including a driving part which generates a rotation force, a first gear part which transmits the rotation force of the driving part, a second gear part including a rotation shaft which receives the rotation force from the first gear part to rotate, and a rotation shaft control part which is disposed at one side of the second gear part on the rotation shaft, provides a degree of rotational freedom to the rotation shaft during braking, and prevents reverse rotation of the second gear part due to a reverse rotation torque by fixing the rotation shaft when the braking is completed.
    Type: Application
    Filed: March 26, 2020
    Publication date: June 16, 2022
    Inventor: Woochul LIM
  • Publication number: 20220169226
    Abstract: An actuator of an electric parking brake is disclosed. An actuator of an electric parking brake according to one embodiment of the present invention includes a driving unit which outputs a rotational force through a driving shaft, a first gear unit which receives the rotational force from the driving unit, a second gear unit including a rotation shaft which receives the rotational force from the first gear unit to rotate, and a driving shaft control unit which is disposed on the driving shaft, provides a degree of rotational freedom to the driving shaft during braking, and fixes the driving shaft to prevent reverse rotation of the driving shaft due to a reverse rotation torque when the braking is ended.
    Type: Application
    Filed: March 26, 2020
    Publication date: June 2, 2022
    Inventor: Woochul LIM
  • Publication number: 20220163075
    Abstract: The present invention relates to an electronic parking brake and, more specifically, to an electronic parking brake in which an electronic actuator is applied to a drum brake, wherein noise can be reduced when transmitting the driving power of a driving motor, and a rotary shaft of the driving motor and a rotary shaft of a wheel cylinder can be arranged so as to be inclined relative to each other.
    Type: Application
    Filed: April 8, 2020
    Publication date: May 26, 2022
    Inventor: Woochul LIM