Patents by Inventor In Sang Ryu

In Sang Ryu 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).

  • METHOD FOR CONTROLLING OF VALVE TIMING OF CONTINUOUS VARIABLE VALVE DURATION ENGINE
    Publication number: 20180100453
    Abstract: A method for controlling intake and exhaust valves of an engine includes: Controlling opening and closing timings of the intake and exhaust valves by an intake continuous variable valve timing (CVVT) device and an exhaust CVVT devices; determining, by a controller, target intake and exhaust opening durations of the intake and exhaust valves, and target opening and closing timings of the valves based on an engine load and an engine speed; modifying current intake and exhaust opening durations based on the target opening durations via an intake continuous variable valve duration (CVVD) device and an exhaust CVVD device; adjusting opening or closing timings of the valves to the target opening or closing timings of the valves while maintaining the modified opening durations of the valves.
    Type: Application
    Filed: December 12, 2017
    Publication date: April 12, 2018
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: In Sang RYU, Kyoung Pyo HA, You Sang SON, Kiyoung KWON
  • METHOD FOR CONTROLLING OF VALVE TIMING OF CONTINUOUS VARIABLE VALVE DURATION ENGINE
    Publication number: 20180100448
    Abstract: A method for controlling intake and exhaust valves of an engine may include: determining, by a controller, a target opening duration of the intake and exhaust valves according to a control region determined based on an engine load and an engine speed; modifying, by an intake continuous variable valve duration (CVVD) device and by an exhaust CVVD device, opening and closing timings of the intake valve and exhaust valve based on the target opening duration of the valves; and advancing or retarding, by the intake and/or exhaust CVVD devices, the opening timing of the intake and exhaust valves while simultaneously retarding or advancing the closing timing of the intake and exhaust valve by a predetermined value based on the target opening durations. In particular, the controller classifies five control regions based on the engine load and speed.
    Type: Application
    Filed: December 12, 2017
    Publication date: April 12, 2018
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: In Sang RYU, Kyoung Pyo HA, You Sang SON, Kiyoung KWON
  • SYSTEM AND METHOD FOR CONTROLLING VALVE TIMING OF CONTINUOUS VARIABLE VALVE DURATION ENGINE
    Publication number: 20180100447
    Abstract: A method for controlling intake and exhaust valves of an engine may include: determining, by a controller, a target opening duration of the intake and exhaust valves based on an engine load and an engine speed; modifying, by an intake continuous variable valve duration (CVVD) device and by an exhaust CVVD device, current opening and closing timings of the intake valve and/or exhaust valve based on the target opening duration of the valves; and advancing or retarding, by the intake and/or exhaust CVVD devices, the current opening timing of the intake and exhaust valves while simultaneously retarding or advancing the current closing timing of the intake and exhaust valve by a predetermined value based on the target opening duration.
    Type: Application
    Filed: December 12, 2017
    Publication date: April 12, 2018
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: In Sang RYU, Kyoung Pyo HA, You Sang SON, Kiyoung KWON
  • SYSTEM AND METHOD FOR CONTROLLING VALVE TIMING OF CONTINUOUS VARIABLE VALVE DURATION ENGINE
    Publication number: 20180100446
    Abstract: A method for controlling intake and exhaust valves of an engine includes: controlling, by an intake continuous variable valve timing (CVVT) device and an exhaust CVVT device, opening and closing timings of the intake valve and exhaust valves; determining, by a controller, a target opening duration of the intake and exhaust valves based on an engine load and an engine speed; modifying, by an intake continuous variable valve duration (CVVD) device and by an exhaust CVVD device, current opening and closing timings of the intake valve and/or exhaust valve based on the target opening duration; and advancing or retarding, by the intake and/or exhaust CVVD devices, the current opening timing of the intake and exhaust valves while simultaneously retarding or advancing the current closing timing of the intake and exhaust valve by a predetermined value based on the target opening duration.
    Type: Application
    Filed: December 12, 2017
    Publication date: April 12, 2018
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: In Sang Ryu, Kyoung Pyo Ha, You Sang Son, Kiyoung Kwon
  • METHOD FOR CONTROLLING OF VALVE TIMING OF CONTINUOUS VARIABLE VALVE DURATION ENGINE
    Publication number: 20180100452
    Abstract: A method for controlling valve timing for an engine includes: classifying a plurality of control regions depending on an engine speed and an engine load; applying a maximum duration to an intake valve and controlling an exhaust valve to limit a valve overlap in a first region; controlling the intake valve and the exhaust valve to maintain the maximum duration in a second region; advancing an intake valve closing (IVC) timing and an exhaust valve closing (EVC) timing in a third region; approaching the IVC timing to a bottom dead center (BDC) in a fourth region; controlling a throttle valve to be fully opened, advancing an intake valve opening (IVO) timing before a top dead center (TDC), and controlling the IVC timing to be a predetermined value after the BDC in a fifth region; and controlling the throttle valve to be fully opened and advancing the IVC timing in a sixth region.
    Type: Application
    Filed: December 12, 2017
    Publication date: April 12, 2018
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: In Sang RYU, Kyoung Pyo Ha, You Sang Son, Kiyoung Kwon
  • System and method for controlling valve timing of continuous variable valve duration engine
    Patent number: 9932908
    Abstract: The present disclosure provides a system and a method for controlling valve timing of a continuous variable valve duration. The method may include: classifying a plurality of control regions depending on an engine speed and an engine speed; applying a maximum duration to an intake valve in a first control region; maintaining the maximum duration of the intake valve and controlling the exhaust valve to reach a maximum duration in a second control region; advancing intake valve closing (IVC) timing and exhaust valve closing (EVC) timing in a third control region; controlling the IVC timing to be close to bottom dead center (BDC) in a fourth control region; controlling a throttle valve to be fully opened and controlling the IVC timing to an angle after BDC in a fifth control region; and controlling the throttle valve to be fully opened and advancing the IVC timing in a sixth control region.
    Type: Grant
    Filed: November 1, 2016
    Date of Patent: April 3, 2018
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: In Sang Ryu, Kyoung Pyo Ha, You Sang Son, Kiyoung Kwon
  • Control method using continuous variable valve duration apparatus
    Patent number: 9926858
    Abstract: A control method using a continuous variable valve duration apparatus implements a continuous variable valve duration apparatus which includes a wheel mounted on a camshaft and having a wheel key so as to control duration of an intake valve of an engine, a cam unit having a cam and a cam key, adapted such that the camshaft is inserted thereinto, and being disposed so as to vary relative phase of the cam with respect to the camshaft, an inner bracket connected with the wheel key and the cam key, a slider housing being adapted such that the inner bracket is rotatably inserted thereinto and disposed so as to move vertically with respect to the engine, a controller varying a position of the slider housing so as to adjust rotation center of the inner bracket, and a guide unit guiding motion of the sliding housing.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: March 27, 2018
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Kiyoung Kwon, Ingee Suh, Kyoung Pyo Ha, In Sang Ryu, Back Sik Kim
  • MODULE FOR CONNECTING FLOW TUBES, AND WATER PURIFIER HAVING SAME
    Publication number: 20180078884
    Abstract: A flow tube connection module and a water purifier including the same are provided. The flow tube connection module includes a housing having a coupling space in which a first flow tube and a second flow tube are connected to each other; a tube connecting member provided in the coupling space and connecting the first flow tube and the second flow tube to each other; an enlarged coupling portion provided in the housing; a coupling body coupled to the enlarged coupling portion to connect a plurality of the housings; and a separation prevention cover or a connection release member assisting the first flow tube in being connected to or separated from the tube connecting member.
    Type: Application
    Filed: March 29, 2016
    Publication date: March 22, 2018
    Inventors: Won-Il JOO, Sang-Hyeon KANG, Geun-Sang RYU, Ji-Hyeon HWANG
  • Continuous variable valve duration apparatus and control method using the same
    Patent number: 9920665
    Abstract: A control method using a continuous variable duration apparatus provided to adjust opening duration of an intake valve of an engine may include: setting a desired deceleration speed when a vehicle starts decelerating, determining a pumping loss by the engine that is required for the desired deceleration speed, setting desired duration for the required pumping loss by the engine, and controlling duration of the intake valve on the basis of the set desired duration.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: March 20, 2018
    Assignee: Hyundai Motor Company
    Inventors: Kiyoung Kwon, Ingee Suh, Kyoung Pyo Ha, In Sang Ryu, Back Sik Kim
  • Apparatus and method for controlling engine
    Patent number: 9903281
    Abstract: Methods and devices are provided for controlling an engine provided with a continuously variable valve timing (CVVT) device disposed on an intake valve side, and with a continuous variable valve duration (CVVD) device and a continuously variable valve timing (CVVT) disposed on an exhaust valve side according to an exemplary form of the present disclosure. A method may include classifying a plurality of control regions depending on an engine speed and an engine load, and based upon which of the plurality of control regions is a control region of the engine, controlling opening and closing timing of the intake valve, controlling opening and closing timing of the exhaust valve, and controlling open duration of the exhaust valve.
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: February 27, 2018
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: In Sang Ryu, Kyoung Pyo Ha, You Sang Son, Kiyoung Kwon
  • Method for controlling of valve timing of continuous variable valve duration engine
    Patent number: 9889838
    Abstract: A method for controlling valve timing for an engine includes: classifying a plurality of control regions depending on an engine speed and an engine load; applying a maximum duration to an intake valve and controlling an exhaust valve to limit a valve overlap in a first region; controlling the intake valve and the exhaust valve to maintain the maximum duration in a second region; advancing an intake valve closing (IVC) timing and an exhaust valve closing (EVC) timing in a third region; approaching the IVC timing to a bottom dead center (BDC) in a fourth region; controlling a throttle valve to be fully opened, advancing an intake valve opening (IVO) timing before a top dead center (TDC), and controlling the IVC timing to be a predetermined value after the BDC in a fifth region; and controlling the throttle valve to be fully opened and advancing the IVC timing in a sixth region.
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: February 13, 2018
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: In Sang Ryu, Kyoung Pyo Ha, You Sang Son, Kiyoung Kwon
  • System and method for controlling of valve timing of continuous variable valve duration engine
    Patent number: 9879619
    Abstract: A system and a method for controlling valve timing of a continuous variable valve duration engine including classifying control regions depending on engine speed and load; applying a maximum duration to an intake valve and a long duration to an exhaust valve and limiting an overlap; applying the maximum duration to the intake valve and the long duration to the exhaust valve, and adjusting the overlap according to the engine load; applying the long duration to the exhaust valve, fixing an exhaust valve open timing and an exhaust valve close timing, and advancing an intake valve close timing according to an increase of engine load; controlling a wide open throttle valve and applying a short duration to the exhaust valve; and controlling a wide open throttle valve, applying the long duration to the exhaust valve, delaying the intake valve close timing according to an increased engine speed.
    Type: Grant
    Filed: September 16, 2016
    Date of Patent: January 30, 2018
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: In Sang Ryu, Kyoung Pyo Ha, You Sang Son, Kiyoung Kwon
  • Method and electronic device for transmitting data
    Patent number: 9883329
    Abstract: An electronic device and method for transmitting data using Bluetooth communication technology are provided. The electronic device includes a memory, a communication circuit configured to communicate with an external device based on a protocol, and a processor configured to generate second data by encoding first data based on an encoding parameter, to store the second data in the memory, to transmit the second data to the external device through the communication circuit, and to change the encoding parameter based on a remaining storage space of the memory.
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: January 30, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Kyu Sang Ryu
  • Continuous variable valve duration apparatus and engine provided with the same
    Patent number: 9874119
    Abstract: A continuous variable valve duration apparatus may include a camshaft mounted to a cylinder head, a plurality of wheels mounted to the camshaft, of which a wheel key is formed respectively, and disposed on each cylinder, a plurality of cam portions of which a cam and a cam key are formed respectively, of which the camshaft is inserted thereto, of which relative phase angles with respect to the camshaft are variable, and disposed on the each cylinder, a plurality of inner brackets connected with the each wheel key and the each cam key, a plurality of slider housings of which the each inner bracket is rotatably inserted thereto, and disposed movable up and down direction of an engine, a guide shaft connecting the plurality of slider housings and a control portion moving a position of the guide shaft for changing rotation centers of the inner brackets.
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: January 23, 2018
    Assignee: Hyundai Motor Company
    Inventors: Back Sik Kim, Kyoung Pyo Ha, In Sang Ryu, Ingee Suh, Kiyoung Kwon
  • System and method for controlling valve timing of continuous variable valve duration engine
    Patent number: 9874153
    Abstract: The method for controlling valve timing of an engine includes: classifying control regions; applying a maximum duration to an intake valve and a long duration to an exhaust valve in a first control region; advancing Intake Valve Closing timing, applying the long duration to the exhaust valve, and maintaining a maximum valve overlap in a second control region; applying the long duration to the exhaust valve and advancing the IVC timing and Exhaust Valve Closing timing in a third control region; applying a short duration to the exhaust valve and controlling the EVC timing in a fourth control region; controlling a throttle valve, applying the short duration to the exhaust valve, and retarding Exhaust Valve Opening timing in a fifth control region; and controlling the throttle valve and the EVC timing, applying the long duration to the exhaust valve, advancing the EVO timing in a sixth control region.
    Type: Grant
    Filed: October 25, 2016
    Date of Patent: January 23, 2018
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: In Sang Ryu, Kyoung Pyo Ha, You Sang Son, Kiyoung Kwon
  • Method for controlling of valve timing of continuous variable valve duration engine
    Patent number: 9874154
    Abstract: A method for controlling valve timing of an engine includes: classifying control regions depending on an engine speed and an engine load, and applying a maximum duration to an intake valve and controlling a valve overlap in the first control region; advancing an intake valve closing (IVC) timing and applying the maximum duration to the exhaust valve in the second control region; advancing both the IVC timing and an exhaust valve closing (EVC) timing in the third control region; fixing an exhaust valve opening (EVO) timing and approaching the EVC timing to a top dead center (TDC) in the fourth control region; controlling a wide open throttle valve (WOT) and retarding the EVO timing in the fifth control region; and controlling the WOT, advancing the EVO timing, and approaching the EVC timing to the TDC in the sixth control region.
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: January 23, 2018
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: In Sang Ryu, Kyoung Pyo Ha, You Sang Son, Kiyoung Kwon
  • System and method for controlling valve timing of continuous variable valve duration engine
    Patent number: 9863331
    Abstract: The present disclosure provides a system and a method for controlling valve timing of a continuous variable valve duration engine. The method may include: classifying a plurality of control regions depending on an engine speed and an engine load; retarding an intake valve closing (IVC) timing and limiting a valve overlap between an intake valve and an exhaust valve in a first control region; advancing the IVC timing and applying a maximum duration to the exhaust valve in a second control region; advancing the IVC timing according to an increase of the engine load in a third control region; controlling a throttle valve to be fully opened and advancing the IVC timing in a fourth control region; and controlling the throttle valve to be fully opened and retarding the IVC timing in a fifth control region.
    Type: Grant
    Filed: November 1, 2016
    Date of Patent: January 9, 2018
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: In Sang Ryu, Kyoung Pyo Ha, You Sang Son, Kiyoung Kwon
  • System and method for controlling of valve timing of continuous variable valve duration engine
    Patent number: 9863340
    Abstract: A method for controlling valve timing of a turbo engine may include classifying a plurality of control regions depending on an engine load and an engine speed, applying a maximum duration to an intake valve and controlling a valve overlap between an exhaust valve and the intake valve in a first control region, maintaining the maximum duration of the intake valve in a second control region, advancing an intake valve closing (IVC) timing and an exhaust valve closing (EVC) timing in a third control region, controlling the IVC timing to be close to bottom dead center (BDC) in a fourth control region, controlling a throttle valve to be fully opened and retarding an exhaust valve opening (EVO) timing in a fifth control region, and controlling the throttle valve to be fully opened and controlling the IVC timing to prevent knocking in a sixth control region.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: January 9, 2018
    Assignee: Hyundai Motor Company
    Inventors: In Sang Ryu, Kyoung Pyo Ha, You Sang Son, Kiyoung Kwon
  • Asymmetry CDA engine
    Patent number: 9850826
    Abstract: An asymmetry cylinder de-activation (CDA) engine provided with a first, a second, a third and a fourth cylinder of which CDA apparatuses are mounted thereto respectively may include a crankshaft connected with pistons of each cylinder through a first, a second, a third and a fourth cranking journal respectively, and a controller configured to control operations of the CDA apparatuses, in which phase differences between cranking journals according to firing order may include 90±10 degrees and 270±10 degrees.
    Type: Grant
    Filed: September 18, 2015
    Date of Patent: December 26, 2017
    Assignee: Hyundai Motor Company
    Inventors: In Sang Ryu, Ingee Suh, Kyoung Pyo Ha, Back Sik Kim, Kiyoung Kwon
  • METHOD AND APPARATUS FOR COMMUNICATING STREAMING DATA IN BLUETOOTH-BASED WIRELESS COMMUNICATION SYSTEM
    Publication number: 20170366596
    Abstract: A method and apparatus for communicating streaming data in a Bluetooth-based wireless communication system is provided. An electronic device according to the present disclosure includes a communication interface configured to perform wireless Bluetooth communication with an external electronic device and a controller configured to control the communication interface, in which the controller is further configured to detect a communication state using a first packet data configuration and communicate with the external electronic device by using a second packet data configuration that is different from the first packet data configuration, based on the communication state.
    Type: Application
    Filed: June 13, 2017
    Publication date: December 21, 2017
    Inventors: Eui-Bum Han, Casper Bonde, Kyu-Sang Ryu, Rasmus Abildgren, Hyung-Seoung Yoo, Allan Holst Eriksen, Mee-Kyeong Lee