Patents by Inventor Jun Mo Kang

Jun Mo Kang 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: 11597247
    Abstract: A rotation induction device for a vehicle includes an upper case member, a lower case member, a center plate, and a friction reduction part. The upper case member has a piston rod disposed therethrough. The lower case member, disposed under the upper case member, has the piston rod disposed therethrough. The center plate, disposed between the upper and lower case members such that the piston rod passes through the center plate, is configured to induce either one or both of the upper and lower case members to rotate. The friction reduction part, configured to reduce friction, is selectively disposed at a contact surface between the upper case member and the center plate, and a contact surface between the center plate and the lower case member. Each of the upper case member, the lower case member, and the center plate is composed of a synthetic resin material.
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: March 7, 2023
    Assignees: HYUNDAI MOBIS CO., LTD, ILJIN CO., LTD
    Inventors: Byung Joon Choi, Jun Mo Kang, Byung Hwan Kim, Tae Ho Hong
  • Patent number: 11597248
    Abstract: A rotation induction device for a vehicle includes: an upper case formed of a synthetic resin material, and having a piston rod passing therethrough; a lower case formed of a synthetic resin material and disposed under the upper case, wherein the piston rod passes through the lower case; a center plate formed of a synthetic resin material, disposed between the upper case and the lower case such that the piston rod passes through the center plate, and configured to induce rotation of either one or both of the upper case and the lower case; and a ring-shaped installation space disposed between the upper and lower cases, wherein the center plate is inserted in the ring-shaped installation space.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: March 7, 2023
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Jun Mo Kang, Byung Joon Choi
  • Patent number: 11578755
    Abstract: A rotation induction device for a vehicle includes: an upper case having a piston rod disposed therethrough; a lower case disposed adjacent to the upper case and having the piston rod disposed therethrough; a center plate between the upper case and the lower case such that the piston rod passes through the center plate, and to induce rotation of one or both of the upper case and the lower case; and a lubricant retention part disposed on the lower case, and to store a lubricant therein.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: February 14, 2023
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Jun Mo Kang, Byung Joon Choi
  • Patent number: 11577568
    Abstract: A rotation induction device for a vehicle includes: an upper case member composed of a synthetic resin material and having a piston rod disposed therethrough; a lower case member composed of a synthetic resin material, disposed under the upper case member, and having the piston rod disposed therethrough; a center plate composed of a synthetic resin material, disposed between the upper and lower case members such that the piston rod passes through the center plate, and configured to induce either one or both of the upper and lower case members to rotate; and a stress distribution part formed on the center plate, and configured to distribute stress caused by a vertical load.
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: February 14, 2023
    Assignees: Hyundai Mobis Co., Ltd., ILJIN Co., LTD.
    Inventors: Byung Joon Choi, Jun Mo Kang, Byung Hwan Kim, Tae Ho Hong
  • Patent number: 11566668
    Abstract: A rotation induction device for a vehicle includes: an upper case having a piston rod disposed therethrough; a lower case disposed adjacent to the upper case and having the piston rod disposed therethrough; a center plate disposed between the upper case and the lower case such that the piston rod passes through the center plate, to induce rotation of one or both of the upper case and the lower case; and a position guide part formed on one or both of the upper case and the lower case, to guide a position of the center plate.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: January 31, 2023
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Jun Mo Kang, Byung Joon Choi
  • Patent number: 11560925
    Abstract: A rotation induction device for a vehicle includes: an upper case having a piston rod disposed therethrough; a lower case disposed adjacent to the upper case and having the piston rod disposed therethrough; and a center plate disposed between the upper case and the lower case such that the piston rod passes through the center plate, and to be brought into line contact with the upper case and the lower case to induce rotation.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: January 24, 2023
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Jun Mo Kang, Byung Joon Choi
  • Publication number: 20230020219
    Abstract: A system and method of active endturn cooling of an electric motor of a vehicle is provided. The method comprises providing a motor having a coolant nozzle and a cam, and measuring speed, lateral acceleration, and road tilt angle of coolant due to road tilt. The method further comprises calculating coolant angle and coolant acceleration angle based on the road tilt angle and the lateral acceleration if the speed is greater than zero. The method further comprises comparing the coolant angle with a critical angle. The method further comprises calculating a first control angle and a first coolant distance based on the road tilt angle and the lateral acceleration of the vehicle if the acceleration angle is greater than the critical angle. The method further comprises determining a cam position based on the first control angle. The method further comprises moving the cam to the position to move the nozzle and compensate for the lateral acceleration such that coolant drops within a target area of the motor.
    Type: Application
    Filed: July 16, 2021
    Publication date: January 19, 2023
    Inventors: Insu Chang, SeungHwan Keum, Jun-mo Kang, Young J. Kim
  • Publication number: 20230017485
    Abstract: A vehicle, system and method of detecting an internal short in a battery pack of the vehicle. The system includes a plurality of sensors and a processor. The plurality of sensors obtains states of charge at battery cells of the battery pack. The processor discharges the battery pack to identify a first set of the battery cells based on the states of charge of the battery cells, charges the battery pack to identify a second set of the battery cells based on the states of charge of the battery cells, and generates an alarm when an intersection of the first set and the second set is non-empty.
    Type: Application
    Filed: July 14, 2021
    Publication date: January 19, 2023
    Inventors: Taeyoung Han, Jun-mo Kang
  • Publication number: 20230009660
    Abstract: In various embodiments, systems, apparatuses and methods are provided to distribute coolant to an electric motor. The apparatus includes a pan configured with a set of holes for coolant flow; an assembly including a set of bar linkages, a set of discs, and a single actuator motor wherein the assembly is attached to the pan wherein the single actuator motor is linked via bar linkages to discs that enable configuring a planar angle of the pan to obtain an optimum hole location of holes for coolant flow; and in response to external disturbances to the apparatus that redirect the coolant flow from the target region of the electric motor, the single actuator motor is controlled by an algorithm to change the planar angle of the pan to obtain the optimum hole location to direct coolant flow to the target region of the electric motor.
    Type: Application
    Filed: July 12, 2021
    Publication date: January 12, 2023
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: SeungHwan Keum, Jun-mo Kang, Insu Chang, Young J. Kim
  • Publication number: 20230010156
    Abstract: In various embodiments, methods, systems, and vehicle apparatuses are provided. A system provides a gravity drive to distribute coolant oil flow including a nozzle for directing a flow of coolant oil over a surface of an electric motor wherein the flow of the coolant oil is caused by a gravity drive; a connector that is coupled to the nozzle that enables the nozzle to sway in response to external forces encountered by a vehicle operation and to distribute coolant oil over the exterior surface of the electric motor; and a counterweight that is coupled to the nozzle that provides a countermeasure to the external forces encountered by the vehicle operation to cause the nozzle to sway in a manner that enables the coolant oil distributed evenly across the exterior surface of the electric motor.
    Type: Application
    Filed: July 12, 2021
    Publication date: January 12, 2023
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: SeungHwan Keum, Jun-mo Kang, Insu Chang, Young J. Kim
  • Publication number: 20220360144
    Abstract: An interior permanent magnet motor having controllable coolant distribution is provided. The motor comprises a motor housing and a rotary shaft connected to a rotor rotatably disposed in the housing. The motor further comprises a stator unit disposed in the housing and comprising conductive windings arranged about the rotor. The windings have a straight portion radially extending to an end-turn portion. The motor further comprises an oil sump disposed on the housing above the stator unit. The oil sump comprises a reservoir having an inner side and an outer side. The reservoir has at least one aperture formed therethrough over the end-turn portion. The motor further comprises a movable nozzle having a first open end extending to a second open end. The first open end is connected to the at least one aperture such that the movable nozzle and reservoir are in fluid communication.
    Type: Application
    Filed: May 10, 2021
    Publication date: November 10, 2022
    Inventors: SeungHwan Keum, Insu Chang, Jun-mo Kang, Young J. Kim
  • Publication number: 20220340198
    Abstract: A yaw stability control system is provided for a motor vehicle. The system includes one or more cameras, a plurality of wheel speed sensors, a yaw angle sensor, and a steering angle sensor. The system further includes an electric motor connected to a reaction wheel. The system further includes a processor and a memory including instructions such that the processor is programmed to: determine a desired yaw angle of the motor vehicle based on a video signal, speed signals, a yaw signal, and a steering signal. The processor is further programmed to generate an actuation signal associated with the desired yaw angle. The electric motor angularly rotates the reaction wheel at a predetermined angular rate in a predetermined rotational direction to produce a counter-acting torque that rotates the motor vehicle to the desired yaw angle, in response to the electric motor receiving the actuation signal from the processor.
    Type: Application
    Filed: April 21, 2021
    Publication date: October 27, 2022
    Inventors: Insu Chang, Jun-mo Kang, SeungHwan Keum
  • Publication number: 20220325671
    Abstract: A method of transient control for enrichment operation in a low-temperature combustion engine. The method includes determining if a current mode of the low-temperature combustion (LTC) engine is a positive valve overlap (PVO) mode. Determining if a previous mode of the LTC engine was also the PVO mode when the current mode is the PVO mode, wherein the previous mode is immediately prior to the current mode. Determining if the previous mode of the LTC engine was a negative valve overlap (NVO) mode when the previous mode was not the PVO mode. Initiating a predetermined enrichment PVO mode for the LTC engine based on the previous mode of the LTC engine. The predetermined enrichment PVO mode includes initiating a deep enrichment PVO mode, when the previous mode of the LTC engine was the NVO mode, and initiating a shallow enrichment PVO mode, when the previous mode of the LTC engine was not the NVO mode.
    Type: Application
    Filed: April 13, 2021
    Publication date: October 13, 2022
    Inventors: Hanho Yun, Jun-mo Kang
  • Patent number: 11459967
    Abstract: A combustion mode module is configured to switch operation of a low-temperature combustion (LTC) engine between a spark ignition (SI) mode, a positive valve overlap (PVO) mode, and a negative valve overlap (NVO) mode. A spark control module is configured to control a spark plug to generate a spark in a cylinder of the LTC engine when the LTC engine is operating in the SI mode. A valve control module is configured to control intake and exhaust valves of the cylinder to yield a PVO and a NVO when the LTC engine is operating in the PVO mode and the NVO mode, respectively. An air/fuel (A/F) control module is configured to adjust a desired A/F ratio of the LTC engine to a rich A/F ratio when operation of the LTC engine is switched to the PVO mode from either one of the SI mode and the NVO mode.
    Type: Grant
    Filed: February 16, 2021
    Date of Patent: October 4, 2022
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Hanho Yun, Jun-mo Kang
  • Publication number: 20220260030
    Abstract: A combustion mode module is configured to switch operation of a low-temperature combustion (LTC) engine between a spark ignition (SI) mode, a positive valve overlap (PVO) mode, and a negative valve overlap (NVO) mode. A spark control module is configured to control a spark plug to generate a spark in a cylinder of the LTC engine when the LTC engine is operating in the SI mode. A valve control module is configured to control intake and exhaust valves of the cylinder to yield a PVO and a NVO when the LTC engine is operating in the PVO mode and the NVO mode, respectively. An air/fuel (A/F) control module is configured to adjust a desired A/F ratio of the LTC engine to a rich A/F ratio when operation of the LTC engine is switched to the PVO mode from either one of the SI mode and the NVO mode.
    Type: Application
    Filed: February 16, 2021
    Publication date: August 18, 2022
    Inventors: Hanho YUN, Jun-mo KANG
  • Publication number: 20220212565
    Abstract: A method and system for estimating state of charge of a lithium battery cell of a vehicle is provided. The method comprises providing a non-linear function of the lithium battery cell, a normalized lithium surface density and an actual voltage at a current of the lithium battery cell having an internal resistance. The method further comprises determining an actual lithium surface density based on the actual voltage relative to an inverse of the non-linear function. The method further comprises determining a varying parameter based on the actual lithium surface density relative to a first diffusion model. The method further comprises determining a predicted lithium surface density based on the varying parameter relative to a second diffusion model. The method further comprises determining an estimated state of charge of the lithium battery cell when a difference between the predicted and actual lithium surface densities is less than a first threshold.
    Type: Application
    Filed: January 6, 2021
    Publication date: July 7, 2022
    Inventors: Jun-mo Kang, Insu Chang
  • Publication number: 20220065300
    Abstract: A rotation induction device for a vehicle includes: an upper case having a piston rod disposed therethrough; a lower case disposed adjacent to the upper case and having the piston rod disposed therethrough; a center plate disposed between the upper case and the lower case such that the piston rod passes through the center plate, to induce rotation of one or both of the upper case and the lower case; and a friction restraint part formed on one or both of the upper case and the lower case, to restrain friction with the center plate.
    Type: Application
    Filed: August 24, 2021
    Publication date: March 3, 2022
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Jun Mo KANG, Byung Joon CHOI
  • Publication number: 20220065294
    Abstract: A rotation induction device for a vehicle includes: an upper case having a piston rod disposed therethrough; a lower case disposed adjacent to the upper case and having the piston rod disposed therethrough; a center plate between the upper case and the lower case such that the piston rod passes through the center plate, and to induce rotation of one or both of the upper case and the lower case; and a lubricant retention part disposed on the lower case, and to store a lubricant therein.
    Type: Application
    Filed: August 24, 2021
    Publication date: March 3, 2022
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Jun Mo KANG, Byung Joon CHOI
  • Publication number: 20220065298
    Abstract: A rotation induction device for a vehicle includes: an upper case formed of a synthetic resin material, and having a piston rod passing therethrough; a lower case formed of a synthetic resin material and disposed under the upper case, wherein the piston rod passes through the lower case; a center plate formed of a synthetic resin material, disposed between the upper case and the lower case such that the piston rod passes through the center plate, and configured to induce the rotation of either one or both of the upper case and the lower case; and an inflow prevention part formed on either one or both of the upper case and the lower case, and configured to block an inflow of foreign matter through the piston rod.
    Type: Application
    Filed: August 24, 2021
    Publication date: March 3, 2022
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Jun Mo KANG, Byung Joon CHOI
  • Publication number: 20220063363
    Abstract: A rotation induction device for a vehicle includes: an upper case formed of a synthetic resin material, and having a piston rod passing therethrough; a lower case formed of a synthetic resin material and disposed under the upper case, wherein the piston rod passes through the lower case; a center plate formed of a synthetic resin material, disposed between the upper case and the lower case such that the piston rod passes through the center plate, and configured to induce rotation of either one or both of the upper case and the lower case; and a ring-shaped installation space disposed between the upper and lower cases, wherein the center plate is inserted in the ring-shaped installation space.
    Type: Application
    Filed: August 24, 2021
    Publication date: March 3, 2022
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Jun Mo KANG, Byung Joon CHOI