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: 20200130672
    Abstract: A driving torque command generating apparatus and method of operating a hybrid electric vehicle can obtain torsional state observation values using an engine speed, a motor speed, and a wheel speed detected by an engine speed detector, a motor speed detector, and a wheel speed detector, respectively, together with a motor torque command generated in a previous period, and generate an engine torque command and a motor torque command of a driving torque command based on a driving input value input by a driving input detector and the torsional state observation values.
    Type: Application
    Filed: October 3, 2019
    Publication date: April 30, 2020
    Inventors: Ji Won Oh, Young Joon Chang, Jeong Soo Eo, Youn Kwang Jung, Sung Jae Kim
  • Patent number: 10611364
    Abstract: Disclosed are a method of and an apparatus for controlling a vibration of a hybrid electric vehicle. An apparatus for controlling a vibration of a hybrid electric vehicle may include: an engine position detector detecting a position of an engine; an air amount detector detecting an air amount flowing into the engine; an accelerator pedal position detector detecting a position of an accelerator pedal; a vehicle speed detector detecting a speed of the hybrid electric vehicle; and a controller. The controller controls operation of a motor based on the position of the engine, the air amount, the position of the accelerator pedal, and the speed of the hybrid electric vehicle.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: April 7, 2020
    Assignees: HYUNDAI MOTOR COMPANY, KIA Motors Corporation
    Inventors: Sung Jae Kim, Jeong Soo Eo
  • Publication number: 20200096207
    Abstract: Disclosed herein is an air conditioner comprising, a housing in which an outlet is formed, a heat exchanger positioned inside the housing, and a fan positioned behind the heat exchanger. The fan configured to blow air to the heat exchanger. And a filter assembly coupled to the housing. The filter assembly configured to filter air entering the fan. The filter assembly covering a rear portion of the fan.
    Type: Application
    Filed: September 20, 2019
    Publication date: March 26, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Jae KIM, Jin Gyun KIM, Young Tae SONG, Hae Gyun SHIN, Chang Sik LEE, Chang Woo JUNG, Seo Young CHO, Sung Hyun CHUN
  • Patent number: 10591170
    Abstract: Provided is an air conditioner including a housing, a suction port disposed in the housing, a first discharge port disposed in the housing to discharge a part of air sucked through the suction port, and a second discharge port disposed in the housing to discharge other part of air sucked through the suction port, a heat exchanger configured to perform heat-exchange on the part of air sucked through the suction port, a first blowing fan configured to suck the part of air, which is sucked through the suction port, to discharge the sucked air to the first discharge port, and an intermediate member configured to guide the part of air sucked through the suction port to the heat exchanger, and configured to separate other part of air s sucked through the suction port from the part of air sucked through the suction port.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: March 17, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyeong Ae Lee, Kwon Jin Kim, Sung Jae Kim, Jong Youb Kim, Seon Uk Na, Yeon-Seob Yun, Young Uk Yun, Byung Han Lim, Sung-June Cho, Jong Kweon Ha
  • Patent number: 10562515
    Abstract: The present disclosure provides a method of determining an optimal operating point of a hybrid electric vehicle. The method includes: determining demand torque, comparing the demand torque and an engine torque reference value obtained from an optimal operating line to determine a determined mode where the determined mode is a charging mode or a discharging mode, determining a plurality of candidate points comprising a combination of an engine operating point satisfying the demand torque and a motor operating point corresponding to the engine operating point in the determined mode, calculating system efficiency during charging using charging efficiency of each candidate point of the plurality of candidate points and discharging efficiency during previous driving when the determined mode is a charging mode, and determining a candidate point with highest system efficiency during charging as an optimal operating point.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: February 18, 2020
    Assignees: Hyundai Motor Company, KIA Motors Corporation
    Inventors: Ji Won Oh, Jeong Soo Eo, Sung Jae Kim
  • Patent number: 10479367
    Abstract: An apparatus for active vibration control of a hybrid electric vehicle including an engine and a motor is disclosed. The apparatus includes: a position sensor to detect position information of the engine or the motor; and a controller to select a reference angle signal based on a signal from the position sensor. The controller performs fast Fourier transform (FFT) analysis by generating a reference angle, extracts a vibration component of each frequency through the FFT analysis, generates a reference signal by performing inverse FFT, and performs active vibration control of each frequency by reflecting a basic amplitude ratio, an adjustable rate according to an engine load, and an engine torque to the reference signal.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: November 19, 2019
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Sung Jae Kim, Jeong Soo Eo
  • Patent number: 10464548
    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: Grant
    Filed: December 20, 2016
    Date of Patent: November 5, 2019
    Assignee: Hyundai Motor Company
    Inventors: Jeong Soo Eo, Young Joon Chang, Ji Won Oh, Youn Kwang Jung, Sung Jae Kim, Ba Ro Hyun
  • Patent number: 10464568
    Abstract: Disclosed are a method of and an apparatus for controlling a vibration of a hybrid electric vehicle. An apparatus of controlling a vibration of a hybrid electric vehicle disclosure may include: an engine position detector detecting a position of an engine; an air amount detector detecting an air amount flowing into the engine; an accelerator pedal position detector detecting a position of an accelerator pedal; a vehicle speed detector detecting a speed of the hybrid electric vehicle; an SOC detector detecting a state of charge (SOC) of a battery; and a controller. The controller controls the operation of a motor based of the position of the engine, the air amount, the position of the accelerator pedal, the speed of the hybrid electric vehicle, and the SOC of the battery.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: November 5, 2019
    Assignees: HYUNDAI MOTOR COMPANY, KIA Motors Corporation
    Inventors: Jeong Soo Eo, You Sang Son, Sung Jae Kim
  • Publication number: 20190323930
    Abstract: Provided are a method of determining a preconcentration type of an analyte and a method of converting a preconcentration type of an analyte. A method of determining a preconcentration type of an analyte, according to an embodiment of the present invention, includes (a) establishing a critical mobility model, (b) calculating a critical mobility by applying a parameter value to the critical mobility model, and (c) determining the preconcentration type of the analyte by comparing the calculated critical mobility to an absolute value of an electrophoretic mobility of the analyte.
    Type: Application
    Filed: January 12, 2018
    Publication date: October 24, 2019
    Inventors: Sung Jae KIM, Hyomin LEE, Jihye CHOI
  • Patent number: 10443864
    Abstract: An air conditioner according to the present disclosure includes a housing provided with an outer panel forming an appearance, and an opening formed in the outer panel; a heat exchanger configured to exchange heat with air introduced to the inside of the housing; a first discharge portion connected to the opening to discharge heat-exchanged air to the outside; a second discharge portion disposed in a lower side of the first discharge portion in the outer panel to discharge the heat-exchanged air; and a blowing fan disposed inside of the housing to move air, which is heat-exchanged by the heat exchanger, in a direction of the second discharge portion.
    Type: Grant
    Filed: July 12, 2016
    Date of Patent: October 15, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yeon Seob Yun, Sung Jae Kim, Chang Sik Lee, Jong Whal Kim, Ji Hong Kim, Jin Gyun Kim, Seung Won Oh, Sang Ki Yoon, Won Hee Lee, Jae Rim Jung, Seong Deok Cheon, Sung Hyun Chun, Jun Seok Kwon, Hyun Joo Jeon, Chang Woo Jung
  • Patent number: 10435010
    Abstract: Disclosed are a method of and an apparatus for controlling a vibration of a hybrid electric vehicle. An apparatus for controlling a vibration of a hybrid electric vehicle may include: an engine position detector detecting a position of an engine; an air amount detector detecting an air amount flowing into the engine; an accelerator pedal position detector detecting a position of an accelerator pedal; a vehicle speed detector detecting a speed of the hybrid electric vehicle; and a controller. The controller controls operation of a motor based on the position of the engine, the air amount, the position of the accelerator pedal, and the speed of the hybrid electric vehicle.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: October 8, 2019
    Assignees: HYUNDAI MOTOR COMPANY, KIA Motors Corporation
    Inventors: Sung Jae Kim, Jeong Soo Eo
  • Patent number: 10427669
    Abstract: The present disclosure provides an apparatus for controlling distribution of torque of front and rear wheel of a four-wheel drive (4WD) vehicle, including: a slip control torque calculator configured to calculate slip control torque of the rear wheels from information collected from the vehicle during driving in a 4WD mode; a handling control torque calculator configured to calculate handling control torque for the rear wheels from information collected from the vehicle during driving in the 4WD mode; a weighting factor determiner configured to determine a slip control weighting factor and a handling control weighting factor based on vehicle state information; and a target torque calculator configured to calculate target torque of rear wheel by summing the weighting factors applied to the slip control torque and handling control torque, respectively, wherein the target torque of the rear wheel is a target value of the torque distributed to the real wheel.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: October 1, 2019
    Assignees: Hyundai Motor Company, KIA Motors Corporation
    Inventors: Young Joon Chang, Jeong Soo Eo, Youn Kwang Jung, Sung Jae Kim, Ji Won Oh
  • Patent number: 10424136
    Abstract: An apparatus and method for accurately estimating the transfer torque of an engine clutch provided between an engine and a motor in a hybrid electric vehicle, may include a forward estimation device configured for determining a first estimate of engine clutch transfer torque using engine torque information, a reverse estimation device configured for determining a second estimate of the engine clutch transfer torque using a drive system model including wheels, a transmission, and a motor and using wheel speed information, a weight determination device configured for determining a weight based on brake input by a driver and whether predetermined devices in the vehicle are operated, and an estimate combination determination device configured for determining a final estimate of the engine clutch transfer torque as a value combined by applying a weight to the determined first estimate and the determined second estimate.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: September 24, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Ji Won Oh, Young Joon Chang, Jeong Soo Eo, Youn Kwang Jung, Sung Jae Kim
  • Publication number: 20190277513
    Abstract: An air conditioner includes a heat exchanger for exchanging heat with air brought into a housing, and a blower fan for blowing air that has exchanged heat with the heat exchanger out of the housing, and controls a guide unit that opens or closes part of an outlet provided in the housing to blow out various flows of air.
    Type: Application
    Filed: July 24, 2017
    Publication date: September 12, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang-woo JUNG, Sung Jae KIM, Yi Goo GONG, Kwon-Jin KIM, Yeon-Seob YUN, Kyeong Ae LEE, Je Gu LEE, Soon Cheol HONG
  • Patent number: 10365011
    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: Grant
    Filed: September 21, 2017
    Date of Patent: July 30, 2019
    Assignee: 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: 20190219278
    Abstract: Disclosed is an air conditioner including a housing having a suction port and a discharge port, a discharge panel having a plurality of discharge holes and disposed at the discharge port, a blowing fan provided inside the housing, and a reinforcing member disposed at a rear of the discharge panel to support the discharge panel. With this configuration, it is possible to prevent the discharge panel from being deformed by pressing, and to minimize the exposure of the inside of the air conditioner through the discharge hole of the discharge panel.
    Type: Application
    Filed: January 14, 2019
    Publication date: July 18, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyeong Ae LEE, KwonJin Kim, Sung Jae Kim, Seon Uk Na, Yeon Seob Yun, Young Uk Yun, Byung Han Lim, Sung June Cho, Jong Kweon Ha
  • Publication number: 20190193569
    Abstract: A braking control system and a method for an eco-friendly vehicle are provided to resolve discrepancy in braking force occurring during switching between hydraulic braking and regenerative braking. The system includes a deceleration determiner that determines target and actual decelerations of the vehicle based on collected information when braking and a torque calculator that calculates target and actual deceleration torques from the determined target and actual decelerations of the vehicle using vehicle equivalent inertia information. An error calculator calculates a torque error and a torque corrector corrects a pre-correction target regenerative braking torque by the calculated torque error and calculates a post-correction target regenerative braking torque. A motor controller adjusts a regenerative braking torque of a motor according to the calculated post-correction target regenerative braking torque.
    Type: Application
    Filed: November 19, 2018
    Publication date: June 27, 2019
    Inventors: Ji Won Oh, Young Joon Chang, Jeong Soo Eo, Youn Kwang Jung, Sung Jae Kim
  • Publication number: 20190186778
    Abstract: An air conditioner includes a housing having first and second suction ports; a heat exchanger configured to exchange heat with air brought in through the first suction port; a first discharging port configured to discharge the heat-exchanged air; a second discharging port configured to discharge air brought in through the second suction port to be mixed with air discharged from the first discharging port at outside of the housing; a discharging door having a plurality of discharging holes, through which air directed to the first discharging port is discharged out of the housing, and selectively opening the second discharging port by movement operation of the discharging door.
    Type: Application
    Filed: December 17, 2018
    Publication date: June 20, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sung June CHO, Kwon Jin KIM, Sung Jae KIM, Seon Uk NA, Yeon Seob YUN, Young Uk YUN, Kyeong Ae LEE, Byung Han LIM, Jong Kweon HA
  • Patent number: 10272904
    Abstract: The present disclosure relates to an apparatus and a method for active vibration control of a hybrid electric vehicle.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: April 30, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jeong Soo Eo, Sung Jae Kim, Byunghoon Yang
  • Patent number: 10272903
    Abstract: The present disclosure relates to an apparatus and a method for active vibration control of a hybrid electric vehicle.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: April 30, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sung Jae Kim, Jeong Soo Eo