Patents by Inventor Jang Soo PARK

Jang Soo PARK 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).

  • Publication number: 20240083767
    Abstract: A precursor for a positive electrode active material and a method of making the same are disclosed herein. In some embodiments a method includes forming precursor seeds for a positive electrode active material by a co-precipitation reaction while supplying a transition metal aqueous solution, an ammonium cationic complexing agent, and a basic compound to a reaction solution, and growing precursor particles for a positive electrode active material by a co-precipitation reaction while supplying a transition metal aqueous solution, an ammonium cationic complexing agent, and a basic compound to the reaction solution containing the precursor seeds, wherein the co-precipitation reaction to grow the precursor particles proceeds while continuously increasing feed rates of the transition metal aqueous solution and the ammonium cationic complexing agent.
    Type: Application
    Filed: February 18, 2022
    Publication date: March 14, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Min Joon Lee, Seong Ji Ye, Seung Beom Cho, Jang Soo Lee, Yoon Bin Park
  • Patent number: 11554767
    Abstract: An electric parking brake actuator assembly is proposed. The electric parking brake actuator assembly includes: an outer housing including an inner space in which a gear installation space and a motor installation space are formed; an inner housing installed in the inner space of the outer housing, and including a brush card part and a gear installation part integrated together; a motor assembly coupled to the brush card part to be electrically connected thereto, and installed in the motor installation space; a gear assembly installed at the gear installation part and at the gear installation space, and changing and transmitting the rotational speed of the motor assembly; and a cover housing coupled to the outer housing with the inner housing interposed therebetween, and including a shaft insertion portion.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: January 17, 2023
    Assignee: KEYANG ELECTRIC MACHINERY CO., LTD.
    Inventors: Su Gil Jang, Ho Gun Lee, Jang Soo Park, Sang Hun Lee
  • Patent number: 10960866
    Abstract: Provided is an actuator having a double-gear structure for an electromechanical parking brake. The actuator includes: a main housing having a motor seat and a gear seat; a motor assembly disposed in the motor seat and providing torque; and a gear assembly rotated by the torque from the motor assembly and performing a reduction function through a plurality of gears.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: March 30, 2021
    Assignee: KEYANG ELECTRIC MACHINERY CO., LTD.
    Inventors: Su Gil Jang, Seong Oh Lee, Jang Soo Park
  • Publication number: 20210071727
    Abstract: An electric parking brake actuator assembly is proposed. The electric parking brake actuator assembly includes: an outer housing including an inner space in which a gear installation space and a motor installation space are formed; an inner housing installed in the inner space of the outer housing, and including a brush card part and a gear installation part integrated together; a motor assembly coupled to the brush card part to be electrically connected thereto, and installed in the motor installation space; a gear assembly installed at the gear installation part and at the gear installation space, and changing and transmitting the rotational speed of the motor assembly; and a cover housing coupled to the outer housing with the inner housing interposed therebetween, and including a shaft insertion portion.
    Type: Application
    Filed: September 9, 2020
    Publication date: March 11, 2021
    Inventors: Su Gil JANG, Ho Gun LEE, Jang Soo PARK, Sang Hun LEE
  • Patent number: 10876587
    Abstract: Provided is an actuator assembly with an integrated housing for an electromechanical parking brake. The actuator assembly includes: a main housing having an integrated motor seat and an integrated gear set; a motor assembly disposed in the motor seat and providing torque; a gear assembly rotated by the torque from the motor assembly and performing a reduction function through a plurality of gears; a stator part constituting the motor assembly and at least partially formed on the inner side of the motor seat by insert injection molding; and a ring gear integrally formed with the gear seat or formed by insert injection molding and operating the gear assembly. The stator part of the motor assembly and the ring gear of the gear assembly are integrally formed with the main housing in the actuator assembly.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: December 29, 2020
    Assignee: KEYANG ELECTRIC MACHINERY CO., LTD.
    Inventors: Su Gil Jang, Jang Soo Park, Min Kyu Kim
  • Patent number: 10843675
    Abstract: An actuator for an electromechanical parking brake having a housing with a brush card assembly is provided, which includes: a main housing having a motor seat and a gear seat; a motor assembly disposed in the motor seat and providing torque; a gear assembly rotated by torque from the motor assembly and performing a reduction function through a plurality of gears; and an inner housing. The inner housing is combined with the main housing and fixes the gear assembly, and integrally has a ring gear operating in mesh with a planetary gear seat of the gear assembly and a brush card electrically connected to the motor assembly. A ring gear operating with the planetary gear set and a brush card electrically connected to the motor assembly are integrally formed at the inner housing.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: November 24, 2020
    Assignee: KEYANG ELECTRIC MACHINERY CO., LTD.
    Inventors: Su Gil Jang, Ho Gun Lee, Jang Soo Park
  • Publication number: 20200309212
    Abstract: Provided is an actuator assembly with an integrated housing for an electromechanical parking brake. The actuator assembly includes: a main housing having an integrated motor seat and an integrated gear set; a motor assembly disposed in the motor seat and providing torque; a gear assembly rotated by the torque from the motor assembly and performing a reduction function through a plurality of gears; a stator part constituting the motor assembly and at least partially formed on the inner side of the motor seat by insert injection molding; and a ring gear integrally formed with the gear seat or formed by insert injection molding and operating the gear assembly. The stator part of the motor assembly and the ring gear of the gear assembly are integrally formed with the main housing in the actuator assembly.
    Type: Application
    Filed: March 28, 2019
    Publication date: October 1, 2020
    Inventors: Su Gil Jang, Jang Soo Park, Min Kyu KIM
  • Publication number: 20200307540
    Abstract: Provided is an actuator having a double-gear structure for an electromechanical parking brake. The actuator includes: a main housing having a motor seat and a gear seat; a motor assembly disposed in the motor seat and providing torque; and a gear assembly rotated by the torque from the motor assembly and performing a reduction function through a plurality of gears.
    Type: Application
    Filed: March 28, 2019
    Publication date: October 1, 2020
    Inventors: Su Gil JANG, Seong Oh LEE, Jang Soo PARK
  • Publication number: 20200307539
    Abstract: An actuator for an electromechanical parking brake having a housing with a brush card assembly is provided, which includes: a main housing having a motor seat and a gear seat; a motor assembly disposed in the motor seat and providing torque; a gear assembly rotated by torque from the motor assembly and performing a reduction function through a plurality of gears; and an inner housing. The inner housing is combined with the main housing and fixes the gear assembly, and integrally has a ring gear operating in mesh with a planetary gear seat of the gear assembly and a brush card electrically connected to the motor assembly. A ring gear operating with the planetary gear set and a brush card electrically connected to the motor assembly are integrally formed at the inner housing.
    Type: Application
    Filed: March 28, 2019
    Publication date: October 1, 2020
    Inventors: Su Gil JANG, Ho Gun LEE, Jang Soo PARK