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).
-
Publication number: 20180244249Abstract: 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: ApplicationFiled: September 27, 2017Publication date: August 30, 2018Applicants: Hyundai Motor Company, Kia Motors CorporationInventor: Gab Bae JEON
-
Patent number: 9931942Abstract: A method is provided for controlling braking force in regenerative brake cooperative control of an environmentally friendly vehicle that executes regenerative braking at front wheels and/or rear wheels. A brake system that independently adjusts the braking forces of the front and rear wheels is employed to distribute braking force to assure vehicle stability, to improve fuel efficiency and to have improved braking performance.Type: GrantFiled: December 6, 2015Date of Patent: April 3, 2018Assignee: Hyundai Motor CompanyInventors: Gab Bae Jeon, Sang Hyun Shim
-
Publication number: 20180086209Abstract: 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: ApplicationFiled: November 30, 2016Publication date: March 29, 2018Inventors: Gab Bae Jeon, Sang Hyun Shim, Jae Il Choi, Yong Pil Kim
-
Patent number: 9902377Abstract: A method for controlling braking force of brake may include step of controlling braking force for each vehicle speed period to make braking force different in accordance with vehicle speed period by increasing an early hydraulic pressure of brake system for obtaining braking force in low-speed period to be lower than in middle-speed period, by increasing hydraulic pressure in middle-speed period to be higher than in low-speed period but to be lower than in high-speed period, and by increasing hydraulic pressure in high-speed period to be higher than in middle-speed period, and step of controlling braking force for each vehicle speed which sets correction coefficient ? that is function of vehicle speed while braking to make braking force different for each vehicle speed, and brakes vehicle with braking force according to current vehicle speed determined using set correction coefficient ?, wherein braking force is controlled by one of steps.Type: GrantFiled: December 10, 2014Date of Patent: February 27, 2018Assignee: Hyundai Motor CompanyInventor: Gab Bae Jeon
-
Publication number: 20180051761Abstract: 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: ApplicationFiled: December 15, 2016Publication date: February 22, 2018Applicants: 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
-
Patent number: 9783177Abstract: A braking system having an electromechanical braking function may include a compound caliper device including a motor and configured to press a pair of brake pads against a brake disk, a hydraulic pressure producer including a master hydraulic line receiving oil from a master cylinder, a master valve configured to open and close the master hydraulic line, a caliper hydraulic line connected to the compound caliper device, and a hydraulic pump configured to increase hydraulic pressure supplied to the compound caliper device, and a brake controller to control the motor and the hydraulic pressure producer, in which the brake controller is configured to close the master valve and decrease clamping force of the brake pads applied by the motor when a conversion condition for converting a parking brake stage into a primary brake stage is satisfied.Type: GrantFiled: December 4, 2015Date of Patent: October 10, 2017Assignees: Hyundai Motor Company, Hyundai Mobis Co., Ltd.Inventors: Jounghee Lee, Jae Hun Shim, Sang Hyun Shim, Gab Bae Jeon, Jongsung Kim
-
Patent number: 9637103Abstract: A method of controlling a braking system using a brake device having an electromechanical parking function uses a brake device having an electromechanical parking function includes: a parking release and preliminary braking step of releasing a limitation of an operation location of an electromechanical element, pressing a secondary piston by a primary piston by operating the electromechanical element, and generating a braking force in the front wheel and the rear wheel by operating a hydraulic pump that is connected to a hydraulic circuit system; a primary piston backward moving step of allowing oil inflow of an accumulator for a complex caliper unit and separating the primary piston from the secondary piston by moving the primary piston; and a primary piston forward pressing step of blocking oil inflow of an accumulator for the complex caliper unit and pressing the secondary piston by moving the primary piston by the electromechanical element.Type: GrantFiled: May 11, 2015Date of Patent: May 2, 2017Assignees: HYUNDAI MOTOR COMPANY, HYUNDAI MOBIS CO., LTD.Inventors: Gab Bae Jeon, Jae Hun Shim, Jounghee Lee, Sang Hyun Shim, Jongsung Kim
-
Patent number: 9604605Abstract: A hybrid electro-mechanical brake (EMB) includes an actuator mounted at one side of a housing and generating a motor clamping force. A primary piston is connected to a spindle, which rotates by a motor clamping force of the actuator, to linearly move when the spindle rotates. A secondary piston linearly moves and is mounted between the housing and the primary piston to form a hydraulic chamber between the second piston and the primary piston. The hybrid EMB system generates a brake force by using the motor clamping force of the actuator and a hydraulic pressure in a hydraulic chamber. The actuator actuates to move the primary piston toward a front end of the secondary piston to increase a pressure in the hydraulic chamber, which is sealed, so that the brake force transferred to the secondary piston increases.Type: GrantFiled: September 30, 2015Date of Patent: March 28, 2017Assignee: HYUNDAI MOTOR COMPANYInventors: Jae Hun Shim, Sang Hyun Shim, Joung Hee Lee, Gab Bae Jeon
-
Publication number: 20170074339Abstract: A carbon-ceramic disc provided with friction surfaces on both surfaces of a load part at a center of the disc may include a wear indicating device formed on the friction surfaces, wherein a wear indicating recess as the wearing indicating device is formed along a virtual circular line between a contact surface contacting with a pad, and a non-contact surface not contacting with the pad in the carbon-ceramic disc, and wherein the virtual circular line is formed on the friction surface of the carbon-ceramic disc to pass through a center point of a width of the wear indicating recess.Type: ApplicationFiled: July 27, 2016Publication date: March 16, 2017Applicant: Hyundai Motor CompanyInventors: Jae Hun SHIM, Bong Soo KIM, Sang Hyun SHIM, Gab Bae JEON, Joung Hee LEE
-
Publication number: 20170066331Abstract: A method is provided for controlling braking force in regenerative brake cooperative control of an environmentally friendly vehicle that executes regenerative braking at front wheels and/or rear wheels. A brake system that independently adjusts the braking forces of the front and rear wheels is employed to distribute braking force to assure vehicle stability, to improve fuel efficiency and to have improved braking performance.Type: ApplicationFiled: December 6, 2015Publication date: March 9, 2017Inventors: Gab Bae Jeon, Sang Hyun Shim
-
Publication number: 20160325724Abstract: A braking system having an electromechanical braking function may include a compound caliper device including a motor and configured to press a pair of brake pads against a brake disk, a hydraulic pressure producer including a master hydraulic line receiving oil from a master cylinder, a master valve configured to open and close the master hydraulic line, a caliper hydraulic line connected to the compound caliper device, and a hydraulic pump configured to increase hydraulic pressure supplied to the compound caliper device, and a brake controller to control the motor and the hydraulic pressure producer, in which the brake controller is configured to close the master valve and decrease clamping force of the brake pads applied by the motor when a conversion condition for converting a parking brake stage into a primary brake stage is satisfied.Type: ApplicationFiled: December 4, 2015Publication date: November 10, 2016Applicants: Hyundai Motor Company, Hyundai Mobis Co., Ltd.Inventors: Jounghee LEE, Jae Hun SHIM, Sang Hyun SHIM, Gab Bae JEON, Jongsung KIM
-
Publication number: 20160167527Abstract: A method for controlling a braking force in regenerative brake cooperation control, may include a first step of generating a regenerative braking force for at least one of a front wheel and a rear wheel up to a reference deceleration while braking, and a second step of distributing the braking force of the front wheel and the rear wheel in accordance with a reference braking distribution ratio having a predetermined value in a braking area of the reference deceleration or more.Type: ApplicationFiled: November 3, 2015Publication date: June 16, 2016Applicant: Hyundai Motor CompanyInventors: Gab Bae JEON, Joung Hee LEE, Sang Hyun SHIM, Jae Hun SHIM
-
Publication number: 20160144842Abstract: A method of controlling a braking system using a brake device having an electromechanical parking function uses a brake device having an electromechanical parking function includes: a parking release and preliminary braking step of releasing a limitation of an operation location of an electromechanical element, pressing a secondary piston by a primary piston by operating the electromechanical element, and generating a braking force in the front wheel and the rear wheel by operating a hydraulic pump that is connected to a hydraulic circuit system; a primary piston backward moving step of allowing oil inflow of an accumulator for a complex caliper unit and separating the primary piston from the secondary piston by moving the primary piston; and a primary piston forward pressing step of blocking oil inflow of an accumulator for the complex caliper unit and pressing the secondary piston by moving the primary piston by the electromechanical element.Type: ApplicationFiled: May 11, 2015Publication date: May 26, 2016Inventors: Gab Bae JEON, Jae Hun SHIM, Jounghee LEE, Sang Hyun SHIM, Jongsung KIM
-
Publication number: 20160137181Abstract: A hybrid electro-mechanical brake (EMB) includes an actuator mounted at one side of a housing and generating a motor clamping force. A primary piston is connected to a spindle, which rotates by a motor clamping force of the actuator, to linearly move when the spindle rotates. A secondary piston linearly moves and is mounted between the housing and the primary piston to form a hydraulic chamber between the second piston and the primary piston. The hybrid EMB system generates a brake force by using the motor clamping force of the actuator and a hydraulic pressure in a hydraulic chamber. The actuator actuates to move the primary piston toward a front end of the secondary piston to increase a pressure in the hydraulic chamber, which is sealed, so that the brake force transferred to the secondary piston increases.Type: ApplicationFiled: September 30, 2015Publication date: May 19, 2016Inventors: Jae Hun SHIM, Sang Hyun SHIM, Joung Hee LEE, Gab Bae JEON
-
Patent number: 9315181Abstract: A brake control system and method that include a master cylinder that transmits braking hydraulic pressure to a wheel and a hydraulic power unit that supplies hydraulic pressure to the master cylinder to produce the braking hydraulic pressure transmitted to the wheel. A push rod is operated according to a brake pedal operation and a push rod cylinder is formed for the push rod to perform reciprocal motion in the push rod cylinder. A reaction force producer supplies hydraulic pressure to the push rod cylinder to produce reaction force against the push rod operation. A solenoid within the reaction force producer is operated by electric power to produce the reaction force. A pedal stroke sensor detects a brake pedal stroke and a brake control unit connected to the hydraulic power unit, the reaction force producer, and the pedal stroke sensor, operates the hydraulic power unit and the reaction force producer.Type: GrantFiled: December 23, 2013Date of Patent: April 19, 2016Assignee: Hyundai Motor CompanyInventor: Gab Bae Jeon
-
Patent number: 9254829Abstract: A pushing force controlling apparatus for a pedal simulator that includes a simulator cylinder in which a first pipe and a second pipe extending from a master cylinder are connected to a front side and a rear side thereof, respectively. A first solenoid valve and a second solenoid valve are installed in the first pipe and the second pipe, respectively and a first piston and a second piston are disposed at a front side and a rear side of an interior of the simulator cylinder. A buffering member is installed between the first piston and the second piston, and pedal pushing force characteristics are controlled by variably setting a position of the second piston in the simulator cylinder using an amount of fluid provided from the master cylinder during an operation of a pedal.Type: GrantFiled: April 3, 2013Date of Patent: February 9, 2016Assignee: Hyundai Motor CompanyInventors: Gab Bae Jeon, Jae Il Choi
-
Publication number: 20150321649Abstract: A method for controlling braking force of brake may include step of controlling braking force for each vehicle speed period to make braking force different in accordance with vehicle speed period by increasing an early hydraulic pressure of brake system for obtaining braking force in low-speed period to be lower than in middle-speed period, by increasing hydraulic pressure in middle-speed period to be higher than in low-speed period but to be lower than in high-speed period, and by increasing hydraulic pressure in high-speed period to be higher than in middle-speed period, and step of controlling braking force for each vehicle speed which sets correction coefficient ? that is function of vehicle speed while braking to make braking force different for each vehicle speed, and brakes vehicle with braking force according to current vehicle speed determined using set correction coefficient ?, wherein braking force is controlled by one of steps.Type: ApplicationFiled: December 10, 2014Publication date: November 12, 2015Applicant: Hyundai Motor CompanyInventor: Gab Bae Jeon
-
Patent number: 9139168Abstract: A pedal simulator using a multi-stage series spring includes a cylinder into which an operation rod connected to a brake pedal is inserted; a piston installed in the cylinder to receive a force of the operation rod; a plurality of springs installed between the cylinder and the piston to resiliently support the piston in the cylinder and disposed to overlap each other from an inner side to an outer side; and a plurality of spring seats disposed in the cylinder to overlap each other from an inner side to an outer side and configured to support the springs while being interposed between the springs, wherein the springs are installed between the piston, the spring seats, and the cylinder such that the plurality of springs are connected to each other in a multi-stage series structure.Type: GrantFiled: November 29, 2012Date of Patent: September 22, 2015Assignee: HYUNDAI MOTOR COMPANYInventor: Gab Bae Jeon
-
Patent number: 9003872Abstract: A brake pedal simulator apparatus for a vehicle for implementing a change in a foot effort applied to a brake pedal for each stroke, may include a pedal arm including one end hinge-connected to one side of a frame and the other end in which a pad may be mounted, a link unit including a plurality of links mutually connected between the frame and the pedal arm, and an elastic member elastically supporting the link unit and configured to form reaction force by elastic force in the pedal arm according to the each stroke by the foot effort applied to the pedal arm.Type: GrantFiled: December 10, 2012Date of Patent: April 14, 2015Assignee: Hyundai Motor CompanyInventor: Gab Bae Jeon
-
Publication number: 20140292065Abstract: A brake control system and method that include a master cylinder that transmits braking hydraulic pressure to a wheel and a hydraulic power unit that supplies hydraulic pressure to the master cylinder to produce the braking hydraulic pressure transmitted to the wheel. A push rod is operated according to a brake pedal operation and a push rod cylinder is formed for the push rod to perform reciprocal motion in the push rod cylinder. A reaction force producer supplies hydraulic pressure to the push rod cylinder to produce reaction force against the push rod operation. A solenoid within the reaction force producer is operated by electric power to produce the reaction force. A pedal stroke sensor detects a brake pedal stroke and a brake control unit connected to the hydraulic power unit, the reaction force producer, and the pedal stroke sensor, operates the hydraulic power unit and the reaction force producer.Type: ApplicationFiled: December 23, 2013Publication date: October 2, 2014Applicant: HYUNDAI MOTOR COMPANYInventor: Gab Bae Jeon