Patents by Inventor In Gil Hwang

In Gil Hwang 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: 11525377
    Abstract: A condensed water drainage device of an exhaust system includes a casing having an inlet on a first side thereof and an outlet on a second side thereof and a deformable member coupled to the first side of the casing and configured to elastically and extendably deform. The drainage device includes a condensed water drainage member coupled to the deformable member to extend the deformable member by pressure of an exhaust gas introduced to the deformable member and having a condensed water drainage hole communicating with the outlet. The drainage device includes a stopper coupled to the second side of the casing to limit movement of the condensed water drainage member and to open or close the condensed water drainage hole according to extension or contraction of the deformable member.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: December 13, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventor: Dae Gil Hwang
  • Patent number: 11208938
    Abstract: An exhaust tail trim for a vehicle capable of being manufactured in various colors and having advantages of improving aesthetic sense, improving sense of integrated design and improving merchantability of a vehicle may include a heat pipe assembly disposed at an outside of an exhaust pipe through which exhaust gas is discharged; and a trim cover disposed at an end portion of the exhaust pipe and located at an outside of the heat pipe assembly, where the trim cover is made of synthetic resin.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: December 28, 2021
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventor: Dae Gil Hwang
  • Publication number: 20200123960
    Abstract: An exhaust tail trim for a vehicle capable of being manufactured in various colors and having advantages of improving aesthetic sense, improving sense of integrated design and improving merchantability of a vehicle may include a heat pipe assembly disposed at an outside of an exhaust pipe through which exhaust gas is discharged; and a trim cover disposed at an end portion of the exhaust pipe and located at an outside of the heat pipe assembly, where the trim cover is made of synthetic resin.
    Type: Application
    Filed: March 4, 2019
    Publication date: April 23, 2020
    Inventor: Dae Gil Hwang
  • Patent number: 10436440
    Abstract: A hydrolysis apparatus for organic waste using a hydraulic crushing effect includes: a housing having an open top surface and an inner lodging space; a reaction tank being lodged in the inner lodging space of the housing and having an open top surface and an inner space for accommodating a defined liquid chemical; a heating section connected to a bottom surface of the reaction tank and integrated into the reaction tank; and a driving means for moving the housing to put the housing in a linear reciprocating motion. The present invention has an effect to greatly reduce the physical crushing time and the dissolution time using a liquid chemical in the hydrolysis of animal carcass and other organic wastes, such as food waste, sewage/waste water sludge, animal/plant residue, and so forth, thereby increasing the work efficiency and reducing the cost.
    Type: Grant
    Filed: November 18, 2015
    Date of Patent: October 8, 2019
    Assignees: GST CO., LTD., SUNG-UK HWANG
    Inventors: Sung-Uk Hwang, Sung-Gil Hwang
  • Patent number: 10271984
    Abstract: The shock absorbing device for ankle and knee joints may include a shoe part; a weight dispersing pad part configured to accommodate a user's leg inserted therein; a piston unit including a plurality of pistons respectively connected to upper portions of the shoe part in a vertical direction and configured to be moved upwards and downwards; and a damper part connected between the piston unit and the weight dispersing pad part, wherein the damper part has an annular shape so as to be connected to the weight dispersing pad part along the circumference of the weight dispersing pad part, the pistons are inserted into an internal space of the damper part, and the damper part performs a damping operation through oil stored in the internal space of the damper part according to the upward/downward movement of the piston.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: April 30, 2019
    Assignee: SOONGSIL UNIVERSITY RESEARCH CONSORTIUM TECHNO-PARK
    Inventors: Jin Oh Kim, Jeong Gil Hwang
  • Patent number: 10259260
    Abstract: A transformable wheel includes a wheel frame including a plurality of contact portions and a plurality of recessed portions. A plurality of transforming members is provided wherein one side of each transforming member is rotatably coupled to a corresponding one of the recessed portions and an outer surface of each transforming member forming a portion of the wheel frame. A rotating member is provided at one side surface of the wheel frame, and includes a plurality of transformation locking members arranged radially from the central axis of the wheel frame to correspond to the plurality of transforming members, respectively. A driving member is configured to rotate the rotating members by a preset angle about the central axis of the wheel frame.
    Type: Grant
    Filed: April 19, 2016
    Date of Patent: April 16, 2019
    Assignee: SOONGSIL UNIVERSITY RESEARCH CONSORTIUM TECHNO-PARK
    Inventors: Jin Oh Kim, Jeong Gil Hwang
  • Patent number: 10161287
    Abstract: An exhaust pipe structure having a variable confluence portion may include a first pipe to discharge exhaust gas generated by engine cylinders disposed in a first line, a second pipe to discharge exhaust gas generated by engine cylinders disposed in a second line, a confluence pipe provided with a first end connected to the first pipe for communication with the first pipe and a second end connected to the second pipe for communication with the second pipe, and a valve plate disposed in the confluence pipe and selectively opened and closed, in which the confluence pipe may include a main connection tube disposed at the first end of the confluence pipe and an entry confluence tube and a sub-entry confluence tube branched off from a middle of the confluence pipe and disposed at the second end of the confluence pipe.
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: December 25, 2018
    Assignee: Hyundai Motor Company
    Inventor: Dae-Gil Hwang
  • Patent number: 10119442
    Abstract: A muffler assembly including a central common active control valve may include a central body for guiding exhaust gas discharged from an engine to flow in bilateral directions in a branched manner, the central body comprising the active control valve disposed in a flow path of exhaust gas, and a pair of main mufflers, each separately disposed at opposite sides of the central body to exhaust exhaust gas introduced from the central body, in which the flow path and an exhaust path of the exhaust gas may be variable based on opening and closing of the active control valve.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: November 6, 2018
    Assignee: Hyundai Motor Company
    Inventor: Dae-Gil Hwang
  • Publication number: 20170362990
    Abstract: An exhaust pipe structure having a variable confluence portion may include a first pipe to discharge exhaust gas generated by engine cylinders disposed in a first line, a second pipe to discharge exhaust gas generated by engine cylinders disposed in a second line, a confluence pipe provided with a first end connected to the first pipe for communication with the first pipe and a second end connected to the second pipe for communication with the second pipe, and a valve plate disposed in the confluence pipe and selectively opened and closed, in which the confluence pipe may include a main connection tube disposed at the first end of the confluence pipe and an entry confluence tube and a sub-entry confluence tube branched off from a middle of the confluence pipe and disposed at the second end of the confluence pipe.
    Type: Application
    Filed: December 1, 2016
    Publication date: December 21, 2017
    Applicant: Hyundai Motor Company
    Inventor: Dae-Gil HWANG
  • Patent number: 9841267
    Abstract: The present disclosure relates to a surface roughness sensor apparatus. The surface roughness sensor apparatus includes: a rotatable rotation shaft; a piezoelectric sensor provided along a circumference of the rotation shaft, rotated by rotation of the rotation shaft, and configured to generate a sensing signal in response to a pressure applied by a surface of an object as being in direct contact with the surface of the object; and a signal transfer unit configured to transfer the sensing signal generated and transmitted by the piezoelectric sensor to the outside of the sensor apparatus, and the piezoelectric sensor may be rotated in a direction in which a relative movement between the piezoelectric sensor and the surface of the object is made at a contact point with the object to minimize damage to the surface of the object.
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: December 12, 2017
    Assignee: SOONGSIL UNIVERSITY RESEARCH CONSORTIUM TECHNO-PARK
    Inventors: Jin Oh Kim, Jeong Gil Hwang
  • Publication number: 20170328562
    Abstract: A hydrolysis apparatus for organic waste using a hydraulic crushing effect includes: a housing having an open top surface and an inner lodging space; a reaction tank being lodged in the inner lodging space of the housing and having an open top surface and an inner space for accommodating a defined liquid chemical; a heating section connected to a bottom surface of the reaction tank and integrated into the reaction tank; and a driving means for moving the housing to put the housing in a linear reciprocating motion. The present invention has an effect to greatly reduce the physical crushing time and the dissolution time using a liquid chemical in the hydrolysis of animal carcass and other organic wastes, such as food waste, sewage/waste water sludge, animal/plant residue, and so forth, thereby increasing the work efficiency and reducing the cost.
    Type: Application
    Filed: November 18, 2015
    Publication date: November 16, 2017
    Applicants: GST CO., LTD.
    Inventors: Sung-Uk HWANG, Sung-Gil HWANG
  • Publication number: 20170298802
    Abstract: A structure of an exhaust pipe may include a first pipe discharging exhaust gas produced in engine cylinders disposed in a first side row, a second pipe discharging exhaust gas produced in engine cylinders disposed in a second side row, a merging pipe having a first end communicatively connected to the first pipe, and a second end communicatively connected to the second pipe, and a valve plate embedded in the merging pipe, and selectively closed or opened.
    Type: Application
    Filed: November 17, 2016
    Publication date: October 19, 2017
    Applicant: Hyundai Motor Company
    Inventor: Dae-Gil HWANG
  • Publication number: 20170276041
    Abstract: A muffler assembly including a central common active control valve may include a central body for guiding exhaust gas discharged from an engine to flow in bilateral directions in a branched manner, the central body comprising the active control valve disposed in a flow path of exhaust gas, and a pair of main mufflers, each separately disposed at opposite sides of the central body to exhaust exhaust gas introduced from the central body, in which the flow path and an exhaust path of the exhaust gas may be variable based on opening and closing of the active control valve.
    Type: Application
    Filed: November 18, 2016
    Publication date: September 28, 2017
    Applicant: Hyundai Motor Company
    Inventor: Dae-Gil HWANG
  • Patent number: 9758201
    Abstract: An active aero flap apparatus for a muffler of a may include an aero flap including a flap wing disposed at a side of the muffler, into which vehicle-induced wind is introduced, to block introduction of the vehicle-induced wind, and flap supporters formed to expand from both ends of the flap wing, drivelines rotatably coupling ends of the flap supporters to the muffler, and actuator modules rotating the aero flap about the drivelines.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: September 12, 2017
    Assignee: Hyundai Motor Company
    Inventor: Dae-Gil Hwang
  • Patent number: 9670008
    Abstract: The present disclosure suggests a conveyor system. A conveyor system in accordance with an exemplary embodiment of the present disclosure includes: a plurality of transportation modules; a front conveyer including a multiplicity of conveyors, which are driven at a first speed, arranged side by side to be in parallel to each other and configured to transfer the transportation modules; and a central conveyor driven at a second speed, provided adjacent to an end portion of the front conveyor and configured to transfer the transportation modules transferred from the front conveyor.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: June 6, 2017
    Assignee: SOONGSIL UNIVERSITY RESEARCH CONSORTIUM TECHNO-PARK
    Inventors: Jin Oh Kim, Jeong Gil Hwang
  • Publication number: 20170042716
    Abstract: The shock absorbing device for ankle and knee joints may include a shoe part; a weight dispersing pad part configured to accommodate a user's leg inserted therein; a piston unit including a plurality of pistons respectively connected to upper portions of the shoe part in a vertical direction and configured to be moved upwards and downwards; and a damper part connected between the piston unit and the weight dispersing pad part, wherein the damper part has an annular shape so as to be connected to the weight dispersing pad part along the circumference of the weight dispersing pad part, the pistons are inserted into an internal space of the damper part, and the damper part performs a damping operation through oil stored in the internal space of the damper part according to the upward/downward movement of the piston.
    Type: Application
    Filed: August 9, 2016
    Publication date: February 16, 2017
    Inventors: Jin Oh Kim, Jeong Gil Hwang
  • Publication number: 20160303901
    Abstract: A transformable wheel includes a wheel frame including a plurality of contact portions and a plurality of recessed portions. A plurality of transforming members is provided wherein one side of each transforming member is rotatably coupled to a corresponding one of the recessed portions and an outer surface of each transforming member forming a portion of the wheel frame. A rotating member is provided at one side surface of the wheel frame, and includes a plurality of transformation locking members arranged radially from the central axis of the wheel frame to correspond to the plurality of transforming members, respectively. A driving member is configured to rotate the rotating members by a preset angle about the central axis of the wheel frame.
    Type: Application
    Filed: April 19, 2016
    Publication date: October 20, 2016
    Inventors: Jin Oh Kim, Jeong Gil Hwang
  • Publication number: 20160289008
    Abstract: The present disclosure suggests a conveyor system. A conveyor system in accordance with an exemplary embodiment of the present disclosure includes: a plurality of transportation modules; a front conveyer including a multiplicity of conveyors, which are driven at a first speed, arranged side by side to be in parallel to each other and configured to transfer the transportation modules; and a central conveyor driven at a second speed, provided adjacent to an end portion of the front conveyor and configured to transfer the transportation modules transferred from the front conveyor.
    Type: Application
    Filed: March 30, 2016
    Publication date: October 6, 2016
    Inventors: Jin Oh Kim, Jeong Gil Hwang
  • Publication number: 20160223314
    Abstract: The present disclosure relates to a surface roughness sensor apparatus. The surface roughness sensor apparatus includes: a rotatable rotation shaft; a piezoelectric sensor provided along a circumference of the rotation shaft, rotated by rotation of the rotation shaft, and configured to generate a sensing signal in response to a pressure applied by a surface of an object as being in direct contact with the surface of the object; and a signal transfer unit configured to transfer the sensing signal generated and transmitted by the piezoelectric sensor to the outside of the sensor apparatus, and the piezoelectric sensor may be rotated in a direction in which a relative movement between the piezoelectric sensor and the surface of the object is made at a contact point with the object to minimize damage to the surface of the object.
    Type: Application
    Filed: January 13, 2016
    Publication date: August 4, 2016
    Inventors: Jin Oh Kim, Jeong Gil Hwang
  • Patent number: 8910747
    Abstract: A tail pipe assembly for a vehicle includes a tail pipe mounted to a muffler of the vehicle and discharging exhaust gas and condensation water to an outside, and at least one main collecting element that is mounted within the tail pipe, suppresses flow of the condensation water and temporarily stores the condensation water.
    Type: Grant
    Filed: June 21, 2012
    Date of Patent: December 16, 2014
    Assignee: Hyundai Motor Company
    Inventors: Sang Il Lee, Dea Gil Hwang, Jay-Yon Jo, Jongho Seon