Patents by Inventor Sung-jae Kim

Sung-jae Kim 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: 20180080665
    Abstract: The air conditioner includes a housing having an outlet, a heat exchanger disposed within the housing, a fan for blowing air exchanged with the heat exchanger toward the outlet, a first position for opening the outlet and a second position for covering the outlet and a door including a plurality of holes for discharging air out of the housing at the second position. The air blowing method of the air discharged from the air conditioner may be different.
    Type: Application
    Filed: June 9, 2017
    Publication date: March 22, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang-Woo JUNG, Kyeong Ae LEE, Yi Goo GONG, Sung Jae KIM, Yeon-Seob YUN, Sang Ki LEE, Kwon Jin KIM, Heung Seob CHOI
  • Publication number: 20180080681
    Abstract: An outdoor unit of an air conditioner includes a current carrying path formed between a control box and an outdoor heat exchanger, and electromagnetic noise generated in the control box is transmitted to the outdoor heat exchanger and efficiently discharged to air through the outdoor heat exchanger.
    Type: Application
    Filed: September 21, 2017
    Publication date: March 22, 2018
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Je Gu LEE, Kyeong Ae LEE, Yi Goo GONG, Kwon Jin KIM, Ki Jun KIM, Sung Jae KIM, Yeon-Seob YUN, Jong Min LEE, Chang-Woo JUNG
  • Publication number: 20180065620
    Abstract: An auto cruise control method and system for hybrid electric vehicles are provided. Particularly, a PnG driving pattern in consideration of characteristics of hybrid electric vehicles is applied to maximize improvement in fuel efficiency and to satisfy both drivability and improvement in fuel efficiency. The auto cruise control method includes turning on an auto cruise control mode by receiving a user set target vehicle speed using an engine and a driving motor as vehicle driving sources, and turning on a pulse and glide (PnG) mode. A user interface (UI) device is provided to receive a selection of any one of a PnG coast mode, a PnG glide mode and a PnG constant-speed cruise mode, and, when the driver selects one mode through the UI device, the hybrid electric vehicle is operated in the selected mode.
    Type: Application
    Filed: December 20, 2016
    Publication date: March 8, 2018
    Inventors: Jeong Soo Eo, Young Joon Chang, Ji Won Oh, Youn Kwang Jung, Sung Jae Kim, Ba Ro Hyun
  • Patent number: 9880122
    Abstract: An electrochemical system with reduced limiting-current behavior is disclosed. The electrochemical system is useful for fuel cells and bio-sensors. In part, the invention relates a method of reducing or eliminating limiting-current behavior in the operation electrochemical systems, in particular those with ion-selective membrane or electrochemical electrodes, by spatially reducing the convection near the membrane or the electrode. The invention further relates to electrochemical systems in which micropores, microarrays or pillar arrays are used to reduce convection in comparison to conventional systems without microarrays, micropores or pillar arrays.
    Type: Grant
    Filed: May 1, 2014
    Date of Patent: January 30, 2018
    Assignee: Massachusetts Institute of Technology
    Inventors: Sung Hee Ko, Sung Jae Kim, Jongyoon Han, HiongYap Gan
  • Patent number: 9758157
    Abstract: A method for active vibration control of a hybrid electric vehicle may include: determining by a controller whether a driving mode enters an idle region based on a motor speed or an engine speed; selecting a reference angle signal based on position information of a motor or an engine when the driving mode enters the idle region; setting up a period of fast Fourier transform (FFT) and performing FFT of the engine speed or the motor speed corresponding to the period of the FFT from the reference angle signal; setting up a reference spectrum according to the engine speed and an engine load; extracting vibration components based on the reference spectrum; summing vibration components according to frequencies and performing inverse FFT; determining an amplitude ratio according to the engine speed and the engine load; and performing active vibration control of each frequency based on the amplitude ratio and motor torque.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: September 12, 2017
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Jeong Soo Eo, Sung Jae Kim
  • Patent number: 9725340
    Abstract: Ion Concentration Polarization (ICP) purification devices and methods for building massively-parallel implementations of the same, said devices being suitable for separation of salts, heavy metals and biological contaminants from source water.
    Type: Grant
    Filed: May 20, 2014
    Date of Patent: August 8, 2017
    Assignee: Massachusetts Institute of Technology
    Inventors: Bumjoo Kim, Sung Jae Kim, Jongyoon Han
  • Publication number: 20170192725
    Abstract: Disclosed is an image forming device which can be connected to an electronic device. An image forming device comprises: a speaker; a storage unit for storing connection information necessary for connection to the image forming device; a control unit for controlling, in case of a predetermined condition, a speaker so as to output sound that corresponds to the connection information; and a wireless connection unit for, if a wireless connection request with respect to the connection information is received, connecting by means of Wi-Fi Direct to an electronic device which transmitted the wireless connection request.
    Type: Application
    Filed: June 4, 2015
    Publication date: July 6, 2017
    Applicant: S-Printing Solution Co., Ltd.
    Inventors: Chang-seok CHOI, Yong-im KIM, Sung-jae KIM, Hye-soo KIM, Yeon-hee JUNG
  • Publication number: 20170192724
    Abstract: A host device is disclosed. The host device comprises: an input unit for receiving a control command for performing a preset event; a communication interface unit for communicating with an image forming device; and a control unit for transmitting, to the image forming device via the communication interface unit, a state change command for changing an operating state of the image forming device and performing the preset event corresponding to the received control command, if the received control command is a command related to controlling the image forming device.
    Type: Application
    Filed: March 23, 2015
    Publication date: July 6, 2017
    Applicant: S-Printing Solution Co., Ltd.
    Inventors: Sung-jae KIM, Jae-wook CHO, Hong-seock KIM, Mi-kyung CHOI, Chang-seok CHOI
  • Publication number: 20170166186
    Abstract: The present disclosure relates to an apparatus and a method for active vibration control of a hybrid electric vehicle.
    Type: Application
    Filed: October 5, 2016
    Publication date: June 15, 2017
    Applicant: HYUNDAI MOTOR COMPANY
    Inventors: Sung Jae KIM, Jeong Soo EO
  • Publication number: 20170166189
    Abstract: A method for active vibration control of a hybrid electric vehicle may include: determining by a controller whether a driving mode enters an idle region based on a motor speed or an engine speed; selecting a reference angle signal based on position information of a motor or an engine when the driving mode enters the idle region; setting up a period of fast Fourier transform (FFT) and performing FFT of the engine speed or the motor speed corresponding to the period of the FFT from the reference angle signal; setting up a reference spectrum according to the engine speed and an engine load; extracting vibration components based on the reference spectrum; summing vibration components according to frequencies and performing inverse FFT; determining an amplitude ratio according to the engine speed and the engine load; and performing active vibration control of each frequency based on the amplitude ratio and motor torque.
    Type: Application
    Filed: September 13, 2016
    Publication date: June 15, 2017
    Applicant: HYUNDAI MOTOR COMPANY
    Inventors: Jeong Soo EO, Sung Jae KIM
  • Publication number: 20170166190
    Abstract: The present disclosure relates to an apparatus and a method for active vibration control of a hybrid electric vehicle.
    Type: Application
    Filed: November 1, 2016
    Publication date: June 15, 2017
    Applicant: HYUNDAI MOTOR COMPANY
    Inventors: Jeong Soo EO, Sung Jae KIM, Byunghoon YANG
  • Publication number: 20170166187
    Abstract: The present disclosure provides an apparatus and a method for active vibration control of a hybrid electric vehicle. In particular, the method may include: detecting an engine speed or a motor speed; selecting a reference angle signal based on the detected; setting up a period of a fast Fourier transform (FFT) and performing FFT of the engine speed or the motor speed for the period of the FFT from the reference angle signal; setting up a reference spectrum; extracting vibration components based on the reference spectrum; summing vibration components to be removed based on the frequencies and performing inverse FFT; determining a basic amplitude ratio based on the engine speed and an engine load and an adjustable ratio based on a SOC; and performing active vibration control of each frequency based on the the basic amplitude ratio, the adjustable ratio and the engine torque.
    Type: Application
    Filed: September 7, 2016
    Publication date: June 15, 2017
    Applicant: HYUNDAI MOTOR COMPANY
    Inventors: Jeong Soo EO, Sung Jae KIM
  • Publication number: 20170166188
    Abstract: The present disclosure relates to active vibration control of a hybrid electric vehicle. One form provides a method that may include setting up a period of fast Fourier transform (FFT) and performing FFT of an engine speed or a motor speed corresponding to the period of the FFT from a reference angle signal; setting up a reference spectrum; extracting vibration components to be removed based on information of the reference spectrum; selecting and adding a removal object frequency from the vibration of each frequency and performing inverse FFT; determining a basic amplitude ratio according to the engine speed and the engine load; determining an adjustable rate which decreases an anti-phase torque as a change amount of the engine speed is decreased; and performing active vibration control of each frequency based on the information of the basic amplitude ratio, the adjustable rate, and the engine torque.
    Type: Application
    Filed: September 9, 2016
    Publication date: June 15, 2017
    Applicant: HYUNDAI MOTOR COMPANY
    Inventors: Sung Jae KIM, Jeong Soo EO
  • Publication number: 20170166213
    Abstract: A method for active vibration control of a hybrid electric vehicle may include: selecting a reference angle signal based on position information of a motor or an engine; generating a reference angle based on information of the reference angle signal; setting up a period of fast Fourier transform (FFT) and analyzing the FFT signal; setting up a reference spectrum according to an engine speed and an engine load; extracting a vibration component from each frequency based on information of the reference spectrum; selecting and adding a removal object frequency from the vibration of each frequency and performing inverse FFT; determining a basic amplitude ratio according to the engine speed and the engine load and an adjustable rate according to the engine load; and performing active vibration control of each frequency based on the information of the basic amplitude ratio, the adjustable rate, and the engine torque.
    Type: Application
    Filed: June 1, 2016
    Publication date: June 15, 2017
    Applicant: HYUNDAI MOTOR COMPANY
    Inventors: Sung Jae KIM, Jeong Soo EO
  • Patent number: 9643621
    Abstract: An apparatus and method for guiding inertia driving of a manual transmission vehicle is provided to maximally extend a no-load driving state with an inertia driving state by blocking a power transmission path of a drive train. The apparatus includes a user selection switch operated to select a coasting mode and a display unit configured to display an entrance enabled state to an inertia driving mode to allow the entrance enabled state to be visually recognized. In addition, a controller is configured to receive an operation signal of the user selection switch and display the entrance enabled state to the inertia driving mode on the display unit to induce the inertia driving mode selection.
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: May 9, 2017
    Assignee: Hyundai Motor Company
    Inventors: Jeong Soo Eo, Sung Jae Kim
  • Publication number: 20170080920
    Abstract: A motor-assisted non-uniform displacement engine control system includes a non-uniform displacement engine comprising a plurality of cylinders, the cylinders comprising at least two kinds of cylinders having different displacements, a motor connected to a driving shaft of the engine, an energy storage device for supplying electrical energy to the motor, and a motor control unit for controlling the motor, wherein the motor control unit controls the motor to compensate for a difference in torque due to different displacements of the cylinders such that a sum of engine torque and motor torque during an explosion stroke of each cylinder is uniform.
    Type: Application
    Filed: November 30, 2015
    Publication date: March 23, 2017
    Inventors: Jeong Soo EO, Sung Jae KIM, Ba Ro HYUN
  • Publication number: 20170080916
    Abstract: A non-uniform displacement engine control system employing cylinder deactivation includes a non-uniform displacement engine including a plurality of cylinders, the cylinders including at least two sizes of cylinders having different displacements, a motor connected to a driving shaft of the engine, a battery for supplying electrical energy to the motor, and a motor control unit for controlling the motor, wherein the motor control unit controls total torque by adjusting motor driving torque or energy regeneration torque and performs control such that cylinder deactivation (CDA) is performed after selectively performing a transient state transition based on a previous control mode at a time of switching to a CDA control mode.
    Type: Application
    Filed: September 14, 2016
    Publication date: March 23, 2017
    Inventors: Jeong Soo EO, Ji Won OH, Sung Jae KIM, Ba Ro HYUN
  • Publication number: 20170082046
    Abstract: A non-uniform displacement engine control system with different control modes based on a state of charge (SOC) of a battery, the system includes a non-uniform displacement engine including a plurality of cylinders, the cylinders comprising at least two sizes of cylinders having different displacements, a motor connected to a driving shaft of the engine, a battery for supplying electrical energy to the motor, and a motor control device for controlling the motor, wherein the motor control device controls the motor to compensate for a difference in torque due to different displacements of the cylinders such that a sum of engine torque and motor torque in explosion stroke of each cylinder is uniform, and the motor control device has a charge intention mode or a discharge intention mode based on the SOC of the battery.
    Type: Application
    Filed: September 15, 2016
    Publication date: March 23, 2017
    Inventors: Jeong Soo EO, Yeon Bok KIM, Youn Kwang JUNG, Sung Jae KIM, Young Joon CHANG
  • Publication number: 20170080917
    Abstract: A non-uniform displacement engine control system having a transient state control mode includes a non-uniform displacement engine including a plurality of cylinders, the cylinders including at least two sizes of cylinders having different displacements, a motor connected to a driving shaft of the engine, a battery for supplying electrical energy to the motor, and a motor control unit for controlling the motor, wherein the motor control unit controls the motor such that a sum of engine torque and motor torque in explosion strokes of each cylinder is uniform by compensating for a difference in torque caused by the cylinders having different displacements, and the motor control unit has a transient state control mode for additionally applying offset torque to predetermined motor torque at a time of rapid acceleration or rapid deceleration.
    Type: Application
    Filed: September 14, 2016
    Publication date: March 23, 2017
    Inventors: Jeong Soo EO, Yeon Bok KIM, Youn Kwang JUNG, Sung Jae KIM, Young Joon CHANG
  • Publication number: 20170080922
    Abstract: A user interface apparatus for controlling a vehicle comprising a non-uniform displacement engine comprising at least two sizes of cylinders having different displacements, a motor connected to a driving shaft of the engine, and a motor controller for controlling the motor, the user interface apparatus includes an input for selecting a control mode of the non-uniform displacement engine and the motor, an interface controller communicating with the motor controller such that the motor is controlled in the selected control mode, and a display device for displaying information about the selected control mode, wherein the user interface apparatus has a control mode for controlling the motor to compensate for a difference in torque due to different displacements of the cylinders such that a sum of engine torque and motor torque in explosion stroke of each cylinder is uniform.
    Type: Application
    Filed: September 15, 2016
    Publication date: March 23, 2017
    Inventors: Jeong Soo EO, Sung Jae KIM