Patents by Inventor Gab Bae Jeon
Gab Bae Jeon 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: 11660921Abstract: An independent suspension system includes a wheel knuckle engaged with a wheel and configured to be rotated in response to a steering input; a motor assembly disposed at one end of the wheel knuckle and configured to rotate the wheel knuckle; an upper arm engaged with the motor assembly; a lower arm having a first end engaged with a vehicle body and a second end engaged with the wheel knuckle; a connection arm configured to be engaged with the upper arm; a rotation pin disposed at a connection portion between the upper arm and the connection arm to enable integral rotation of the upper arm and the connection arm; and a shock absorber disposed between the connection arm and the lower arm and engaged with the connection arm so as to be perpendicular to the connection arm.Type: GrantFiled: February 8, 2021Date of Patent: May 30, 2023Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Ha Kyung Moon, Gab Bae Jeon
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Patent number: 11648918Abstract: A compensation control system is provided for preventing braking inconvenience of a flex brake that compensates for brake hydraulic pressure only for initial braking when a brake mode is forcibly switched, thus allowing a driver to recognize a change in braking force, and thereby improving stability when a vehicle is driven. The control system forcibly switches the brake mode, selected by a driver when a booster system fails, into a normal brake mode, and compensates to reduce the magnitude of brake hydraulic pressure, which is to be reduced when the brake mode is forcibly switched, during initial braking.Type: GrantFiled: June 17, 2020Date of Patent: May 16, 2023Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Se-Ra Hwang, Gwan-Hyeong Cha, Gab-Bae Jeon
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Patent number: 11465624Abstract: A method of cooperatively controlling regenerative braking step by step for a vehicle, such as a rear-wheel-drive environmentally-friendly vehicle, performs a braking mode in accordance with a traveling risk degree determined in advance before initiating braking and changes the selectively performed braking mode by re-determining the traveling risk degree during a braking operation. The method includes: a first step of determining in advance the traveling risk degree before initiating braking; a second step of selectively performing any one of braking modes defined based on the traveling risk degree during braking; a third step of re-determining the traveling risk degree after the second step; and a fourth step of changing the selectively performed braking mode based on the traveling risk degree determined in the third step.Type: GrantFiled: November 23, 2019Date of Patent: October 11, 2022Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Joung-Hee Lee, Ung-Hee Shin, Gab-Bae Jeon, Jae-Hun Shim
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Patent number: 11414061Abstract: A variable type flex brake system includes: a driving control unit that receives interior or exterior information of a vehicle, provides an autonomous driving control mode or a normal driving control mode, calculates a required braking force in the autonomous driving and normal driving control modes, and generates a braking force signal corresponding to the required braking force; a first selection unit selecting a braking slope corresponding to a speed belonging to any one of low-speed, medium-speed, and high-speed sections to generate a first braking map; a second selection unit selecting a braking slope corresponding to a speed belonging to remaining speed sections that are not selected in the first selection unit, to generate a second braking map; and a braking control unit generating a braking-hydraulic-pressure signal based on the first or second braking map in response to the required braking force signal.Type: GrantFiled: March 11, 2020Date of Patent: August 16, 2022Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Se-Ra Hwang, Gwan-Hyeong Cha, Gab-Bae Jeon
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Patent number: 11376909Abstract: A suspension joining structure may include a lower arm which has one end portion fastened to a vehicle body, an assist knuckle on which a strut portion is located, a fastening unit which is configured so that a second end portion of the lower arm and a lower end portion of the assist knuckle are fastened, a revoknuckle which is pivotally fastened to the assist knuckle to be rotated independently of the assist knuckle to perform the steering of a wheel, and a steering input portion fastened to the revoknuckle and configured to apply a steering force to the revoknuckle upon the steering of the wheel.Type: GrantFiled: November 4, 2020Date of Patent: July 5, 2022Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Jae Won Lee, Jae Young Kim, Gab Bae Jeon, Ha Kyung Moon
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Patent number: 11352056Abstract: A suspension joining structure includes: a lower arm having one end fastened to a vehicle body; an assist knuckle having a strut thereon; a fastening unit configured to connect one end of the lower arm and a lower end of the assist knuckle to each other; a suspension fastened to the assist knuckle and rotating independently of the assist knuckle for steering of a wheel; a steering input part connected to the assist knuckle, and configured such that a steering force is applied to the suspension upon steering; and a rotation transfer unit arranged between the suspension and the steering input part.Type: GrantFiled: September 30, 2020Date of Patent: June 7, 2022Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Ha Kyung Moon, Gab Bae Jeon, Jae Won Lee, Jae Young Kim, Soon Huh, Byung Kyu Lee
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Patent number: 11325573Abstract: A rear wheel regenerative braking control system for vehicle, may include a brake controller; a vehicle controller; a hydraulic controller; and a motor controller, wherein the system and the method may maximize an amount of rear wheel regenerative braking while easily securing braking stability of a vehicle.Type: GrantFiled: September 27, 2017Date of Patent: May 10, 2022Assignees: Hyundai Motor Company, Kia Motors CorporationInventor: Gab Bae Jeon
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Publication number: 20220080795Abstract: An independent suspension system includes a wheel knuckle engaged with a wheel and configured to be rotated in response to a steering input; a motor assembly disposed at one end of the wheel knuckle and configured to rotate the wheel knuckle; an upper arm engaged with the motor assembly; a lower arm having a first end engaged with a vehicle body and a second end engaged with the wheel knuckle; a connection arm configured to be engaged with the upper arm; a rotation pin disposed at a connection portion between the upper arm and the connection arm to enable integral rotation of the upper arm and the connection arm; and a shock absorber disposed between the connection arm and the lower arm and engaged with the connection arm so as to be perpendicular to the connection arm.Type: ApplicationFiled: February 8, 2021Publication date: March 17, 2022Inventors: Ha Kyung Moon, Gab Bae Jeon
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Publication number: 20210394827Abstract: A suspension joining structure includes: a lower arm having one end fastened to a vehicle body; an assist knuckle having a strut thereon; a fastening unit configured to connect one end of the lower arm and a lower end of the assist knuckle to each other; a suspension fastened to the assist knuckle and rotating independently of the assist knuckle for steering of a wheel; a steering input part connected to the assiste knuckle, and configured such that a steering force is applied to the suspension upon steering; and a rotation transfer unit arranged between the suspension and the steering input part.Type: ApplicationFiled: September 30, 2020Publication date: December 23, 2021Inventors: Ha Kyung MOON, Gab Bae JEON, Jae Won LEE, Jae Young KIM, Soon HUH, Byung Kyu LEE
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Publication number: 20210394572Abstract: A suspension joining structure may include a lower arm which has one end portion fastened to a vehicle body, an assist knuckle on which a strut portion is located, a fastening unit which is configured so that a second end portion of the lower arm and a lower end portion of the assist knuckle are fastened, a revoknuckle which is pivotally fastened to the assist knuckle to be rotated independently of the assist knuckle to perform the steering of a wheel, and a steering input portion fastened to the revoknuckle and configured to apply a steering force to the revoknuckle upon the steering of the wheel.Type: ApplicationFiled: November 4, 2020Publication date: December 23, 2021Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Jae Won Lee, Jae Young Kim, Gab Bae Jeon, Ha Kyung Moon
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Publication number: 20210179040Abstract: A compensation control system is provided for preventing braking inconvenience of a flex brake that compensates for brake hydraulic pressure only for initial braking when a brake mode is forcibly switched, thus allowing a driver to recognize a change in braking force, and thereby improving stability when a vehicle is driven. The control system forcibly switches the brake mode, selected by a driver when a booster system fails, into a normal brake mode, and compensates to reduce the magnitude of brake hydraulic pressure, which is to be reduced when the brake mode is forcibly switched, during initial braking.Type: ApplicationFiled: June 17, 2020Publication date: June 17, 2021Inventors: Se-Ra Hwang, Gwan-Hyeong Cha, Gab-Bae Jeon
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Publication number: 20210139009Abstract: A variable type flex brake system includes: a driving control unit that receives interior or exterior information of a vehicle, provides an autonomous driving control mode or a normal driving control mode, calculates a required braking force in the autonomous driving and normal driving control modes, and generates a braking force signal corresponding to the required braking force; a first selection unit selecting a braking slope corresponding to a speed belonging to any one of low-speed, medium-speed, and high-speed sections to generate a first braking map; a second selection unit selecting a braking slope corresponding to a speed belonging to remaining speed sections that are not selected in the first selection unit, to generate a second braking map; and a braking control unit generating a braking-hydraulic-pressure signal based on the first or second braking map in response to the required braking force signal.Type: ApplicationFiled: March 11, 2020Publication date: May 13, 2021Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Se-Ra HWANG, Gwan-Hyeong CHA, Gab-Bae JEON
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Publication number: 20200369254Abstract: An electric booster is provided having a force-feedback-control structure. The electric booster includes a master piston having a nut unit rectilinearly moved in a booting cylinder space by receiving driving power generated by a motor and a hydraulic pressure generated by a pedal effort. A first screw has a first end connected to the motor and a second end extending into the boosting cylinder, and is rotated by the motor operating with the brake pedal. A second screw is disposed to face the first screw to have a separation space . A connecting member connects the first screw and the second screw. A pressure balancing member has contact surfaces in contact with the second end of the first screw and the connecting member, respectively, and is deformed by a difference between two pressures when applied to the contact surfaces in a longitudinal direction of the first screw, respectively.Type: ApplicationFiled: November 21, 2019Publication date: November 26, 2020Inventors: Se-Ra Hwang, Jae-Hun Shim, Joung-Hee Lee, Gab-Bae Jeon, Yong-Pil Kim
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Publication number: 20200361318Abstract: A method of coast regenerative brake cooperation control for rear wheels of an environment-friendly vehicle is provided. The method actively adjusts the generation amount of a braking force when distributing the braking force to front and rear wheels in response to reception of coast regeneration generation amount information that changes in real time.Type: ApplicationFiled: November 22, 2019Publication date: November 19, 2020Inventors: Joung-Hee Lee, Ung-Hee Shin, Gab-Bae Jeon, Jae-Hun Shim
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Patent number: 10836369Abstract: An electric booster is provided having a force-feedback-control structure. The electric booster includes a master piston having a nut unit rectilinearly moved in a booting cylinder space by receiving driving power generated by a motor and a hydraulic pressure generated by a pedal effort. A first screw has a first end connected to the motor and a second end extending into the boosting cylinder, and is rotated by the motor operating with the brake pedal. A second screw is disposed to face the first screw to have a separation space. A connecting member connects the first screw and the second screw. A pressure balancing member has contact surfaces in contact with the second end of the first screw and the connecting member, respectively, and is deformed by a difference between two pressures when applied to the contact surfaces in a longitudinal direction of the first screw, respectively.Type: GrantFiled: November 21, 2019Date of Patent: November 17, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Se-Ra Hwang, Jae-Hun Shim, Joung-Hee Lee, Gab-Bae Jeon, Yong-Pil Kim
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Publication number: 20200353930Abstract: A method of cooperatively controlling regenerative braking step by step for a vehicle, such as a rear-wheel-drive environmentally-friendly vehicle, performs a braking mode in accordance with a traveling risk degree determined in advance before initiating braking and changes the selectively performed braking mode by re-determining the traveling risk degree during a braking operation. The method includes: a first step of determining in advance the traveling risk degree before initiating braking; a second step of selectively performing any one of braking modes defined based on the traveling risk degree during braking; a third step of re-determining the traveling risk degree after the second step; and a fourth step of changing the selectively performed braking mode based on the traveling risk degree determined in the third step.Type: ApplicationFiled: November 23, 2019Publication date: November 12, 2020Inventors: Joung-Hee Lee, Ung-Hee Shin, Gab-Bae Jeon, Jae-Hun Shim
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Publication number: 20200173506Abstract: A brake disk of a composite material includes a load part and friction parts coupled to opposing sides of the load part, wherein the load part includes a reinforcing part formed of a carbon-carbon fiber (C-CF) material and a matrix part formed of a material including silicon carbide (SiC) and covering the reinforcing part, and a weight ratio of the reinforcing part is equal to or lower than a weight ratio of the matrix part in the load part.Type: ApplicationFiled: April 3, 2019Publication date: June 4, 2020Inventors: Jae Hun Shim, Gab Bae Jeon, Joung Hee Lee, Dong Won Lim, Hong Sik Park
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Publication number: 20200172071Abstract: An electric brake booster includes: a first pressure device, which generates brake fluid pressure via manipulation of a brake pedal; a second pressure device, which is connected to the first pressure device through a flow path at one side of the second pressure device, receives brake fluid pressure from the first pressure device, and receives driving power of a motor connected to another side of the second pressure device; a sensing unit mounted in the motor and measuring a displacement of the brake pedal and a rotation angle of the motor; and a buffer device connected to the second pressure device and preventing an increase in pressure of the brake pedal when the motor does not operate, in which motor rotation is controlled with a displacement of the brake pedal.Type: ApplicationFiled: June 26, 2019Publication date: June 4, 2020Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Joung-Hee Lee, Gwan-Hyeong Cha, Gab-Bae Jeon, Se-Ra Hwang
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Patent number: 10131232Abstract: A method for controlling braking force in a regenerative brake cooperation control system can maximally use regenerative braking force of a rear wheel simultaneously while improving vehicular braking stability by preventing the rear wheel from being locked earlier than a front wheel. The method includes controlling braking forces of the front wheel and the rear wheel by considering a distribution of total vehicular braking force including a coasting regenerative braking force in the regenerative brake cooperation control system in an eco-friendly vehicle which can perform regenerative braking in the rear wheel or both the front wheel and the rear wheel.Type: GrantFiled: November 30, 2016Date of Patent: November 20, 2018Assignee: Hyundai Motor CompanyInventors: Gab Bae Jeon, Sang Hyun Shim, Jae Il Choi, Yong Pil Kim
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Patent number: 10072719Abstract: A disk brake having a double self-cooling structure to suppress thermal deformation may include a brake disk having a double cooling structure, which is capable of securing cooling performance of the disk while reducing cost and weight of a vehicle compared with the prior art by configuring a self-cooling structure of the disk that can suppress thermal deformation due to excessive frictional heat during braking a vehicle.Type: GrantFiled: December 15, 2016Date of Patent: September 11, 2018Assignees: Hyundai Motor Company, DACCcarbn Co., Ltd.Inventors: Jae Hun Shim, Byung Jun Park, Joung Hee Lee, Gab Bae Jeon, Dong Won Im, Yeon Ho Choi, Kang Yoo, Nam Cheol Lee