Patents by Inventor Jae-Hun Shim

Jae-Hun Shim 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: 9783177
    Abstract: 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: Grant
    Filed: December 4, 2015
    Date of Patent: October 10, 2017
    Assignees: Hyundai Motor Company, Hyundai Mobis Co., Ltd.
    Inventors: Jounghee Lee, Jae Hun Shim, Sang Hyun Shim, Gab Bae Jeon, Jongsung Kim
  • Patent number: 9637103
    Abstract: 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: Grant
    Filed: May 11, 2015
    Date of Patent: May 2, 2017
    Assignees: HYUNDAI MOTOR COMPANY, HYUNDAI MOBIS CO., LTD.
    Inventors: Gab Bae Jeon, Jae Hun Shim, Jounghee Lee, Sang Hyun Shim, Jongsung Kim
  • Patent number: 9604605
    Abstract: 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: Grant
    Filed: September 30, 2015
    Date of Patent: March 28, 2017
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Jae Hun Shim, Sang Hyun Shim, Joung Hee Lee, Gab Bae Jeon
  • Publication number: 20170074339
    Abstract: 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: Application
    Filed: July 27, 2016
    Publication date: March 16, 2017
    Applicant: Hyundai Motor Company
    Inventors: Jae Hun SHIM, Bong Soo KIM, Sang Hyun SHIM, Gab Bae JEON, Joung Hee LEE
  • Publication number: 20160325724
    Abstract: 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: Application
    Filed: December 4, 2015
    Publication date: November 10, 2016
    Applicants: Hyundai Motor Company, Hyundai Mobis Co., Ltd.
    Inventors: Jounghee LEE, Jae Hun SHIM, Sang Hyun SHIM, Gab Bae JEON, Jongsung KIM
  • Publication number: 20160167527
    Abstract: 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: Application
    Filed: November 3, 2015
    Publication date: June 16, 2016
    Applicant: Hyundai Motor Company
    Inventors: Gab Bae JEON, Joung Hee LEE, Sang Hyun SHIM, Jae Hun SHIM
  • Publication number: 20160144842
    Abstract: 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: Application
    Filed: May 11, 2015
    Publication date: May 26, 2016
    Inventors: Gab Bae JEON, Jae Hun SHIM, Jounghee LEE, Sang Hyun SHIM, Jongsung KIM
  • Publication number: 20160137181
    Abstract: 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: Application
    Filed: September 30, 2015
    Publication date: May 19, 2016
    Inventors: Jae Hun SHIM, Sang Hyun SHIM, Joung Hee LEE, Gab Bae JEON
  • Publication number: 20120100350
    Abstract: Provided is a top sheet for a disposable diaper and sanitary pad which is prepared by manufacturing a perforated hydrophobic nonwoven having a weight of 25 g/m2 or less, and embossing/laminating the nonwoven and an absorbent material through thermal adhesion or ultrasonic adhesion. Conventional hydrophilic nonwovens commonly used as top sheets for disposable diapers and sanitary pads have suffered from the major shortcoming that they cause skin irritation. Unlike conventional hydrophilic nonwovens, the novel perforated hydrophobic nonwoven used as the top sheet for a diaper according to the present invention are provided with decreased skin irritation and improved skin friendliness and dryness. The process for manufacturing a disposable diaper or sanitary pad using a perforated nonwoven alone may cause problems. The nonwoven top sheet of the present invention has functions and roles to overcome such problems caused by using the perforated nonwoven alone.
    Type: Application
    Filed: November 3, 2009
    Publication date: April 26, 2012
    Applicants: UPC LTD.
    Inventor: Jae Hun Shim
  • Publication number: 20100289311
    Abstract: The present invention relates to a core-moving health chair comprising: an outer frame where the structure of the chair is divided into a circumferential zone and a central zone; a central inner frame where the floor frame of the chair is divided into a circumferential zone and a central zone; a core-moving means which is attached to the floor frame of the chair and which moves the central inner frame upwards or downwards; and a core-driving means which drives the core-moving means and moves the core upwards or downwards. The present invention provides a core-moving health chair which can change the pressure at the portion being compressed under body weight when the chair is being sat upon. The core of the chair is assembled on the core-moving means, the position of the core of the chair is moved by means of the core-moving means, and the core-moving movement is driven by means of a motor.
    Type: Application
    Filed: January 5, 2009
    Publication date: November 18, 2010
    Inventor: Jae Hun Shim
  • Publication number: 20100269283
    Abstract: A nonwoven towel having protrusions and improved cleaning and water-absorbing capacity, suitable for use as wet towels, wet tissues, handkerchiefs, makeup removers, dishwashing sponges or electrostatic dustcloths. Absorbent nonwoven fabric made of fibers having a denier of 0.1-10 is press punched with heated pins, so that the nonwoven fabric has fibrous wrinkled protrusions having a height of 0.1-5 mm on one surface thereof to thus have a reduced fiber density and has recesses structured by perforations having a perforation rate of 5-50% caused by the punching in the other surface thereof. The portion of the nonwoven fabric not punched fluffs, thus reducing fiber density. This nonwoven towel is used in a manner such that two layers thereof are pressed through embossing so that the protrusions are disposed outwards, or absorbent nonwoven fabric or paper tissue is sandwiched between the two layers thereof and then the three-layered composite is pressed through embossing.
    Type: Application
    Filed: December 18, 2008
    Publication date: October 28, 2010
    Inventors: Jae Hun Shim, Seong Sik Kim
  • Publication number: 20040171322
    Abstract: Disclosed is an air permeable film united with a nonwoven fabric, consisting of a polymer film having an inorganic material extruded to have a basic weight of 35 g/m2 or less and united to a partial or whole surface of a nonwoven fabric. The nonwoven fabric having a basic weight of 50 g/m2 or less is united to one surface of the extruded polymer film in a melted state, with an air permeable region centering around a drawn mark distributed to the whole surface of a nonwoven fabric-united film rolled and drawn by a press roll. A method of preparing such an air permeable film united with a nonwoven fabric and a device for preparing the same are also described.
    Type: Application
    Filed: March 15, 2004
    Publication date: September 2, 2004
    Inventors: Jae-Hun Shim, Soo Young Lee