Patents by Inventor Byoung-Kuk Lee
Byoung-Kuk Lee 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: 11877373Abstract: A cooking apparatus and a control method thereof, and more particularly, technology for determining the type of vessel placed in the cooking apparatus and controlling power in response to a state change of the placed vessel or a temperature change of a coil. In accordance with one aspect, a cooking apparatus includes: a coil on which a vessel is placed, configured to form a magnetic field upon application of a current; a detection sensor configured to detect a magnitude of an input current applied differently according to a type of the vessel and a magnitude of an input voltage of the cooking apparatus; and a controller configured to determine a type of the placed vessel according to a power value calculated based on the detected input current and input voltage, and to determine a heating mode of the cooking apparatus based on the determined type of vessel.Type: GrantFiled: May 24, 2019Date of Patent: January 16, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ji Woong Choi, Sang Min Park, Byoung Kuk Lee, Eun Soo Jang, Dong Myoung Joo, Hong-Joo Kang, Nam Ju Park, Chang Sun Yun, Hyun Kwan Lee
-
Publication number: 20220402382Abstract: A wireless charging apparatus according to an embodiment of the present disclosure includes a pad determinor configured to determine a receiving pad mounted on an electric vehicle entering a wireless charging station, and a power transmitter configured to select a transmitting pad to correspond to the receiving pad determined by the pad determinor, and transmit charging power to the receiving pad through the transmitting pad.Type: ApplicationFiled: June 22, 2022Publication date: December 22, 2022Applicant: Research & Business Foundation Sungkyunkwan UniversityInventors: Byoung-kuk LEE, Sangjoon ANN, Won Jin SON, Man Jae KWON, Dong Hyeon SIM, Ju A LEE
-
Patent number: 11292348Abstract: A method for performing switching synchronization of a bridgeless rectifier in an electric vehicle (EV) wireless power transfer system may include receiving, by an EV control module, an input voltage of a transmission-side resonance circuit from a transmission-side of the EV wireless power transfer system; calculating, by the EV control module, a phase difference between the received input voltage and a voltage or a current selected in the bridgeless rectifier and a reception-side resonance circuit; and controlling, by an EV control module, switching time points of switches included in the bridgeless rectifier to decrease the calculated phase difference. The reception-side resonance circuit may be electromagnetically coupled to the transmission-side resonance circuit, and the bridgeless rectifier may be configured to rectify an output of the reception-side resonance circuit and to output the rectified output.Type: GrantFiled: May 31, 2019Date of Patent: April 5, 2022Assignees: Hyundai Motor Company, Kia Motors Corporation, Research & Business Foundation Sungkyunkwan UniversityInventors: Jae Eun Cha, Woo Young Lee, Gyu Yeong Choe, Byoung Kuk Lee, Jong Eun Byun, Sang Joon Ann, Won Jin Son, Jae Han Lee
-
Patent number: 11214164Abstract: A method for controlling wireless power transfer to an EV using a bridgeless rectifier may include detecting a phase difference between an input voltage of a transmission-side resonance circuit and an output voltage of a reception-side resonance circuit; after detecting the phase difference, predicting a resonance frequency change direction according to a preconfigured design condition; and controlling switching time points of switches included in the bridgeless rectifier in a direction compensating for the predicted change direction.Type: GrantFiled: May 30, 2019Date of Patent: January 4, 2022Assignees: Hyundai Motor Company, Kia Motors Corporation, Research & Business Foundation Sungkyunkwan UniversityInventors: Jae Eun Cha, Woo Young Lee, Gyu Yeong Choe, Byoung Kuk Lee, Jong Eun Byun, Sang Joon Ann, Won Jin Son, Jae Han Lee
-
Publication number: 20210267024Abstract: A cooking apparatus and a control method thereof, and more particularly, technology for determining the type of vessel placed in the cooking apparatus and controlling power in response to a state change of the placed vessel or a temperature change of a coil. In accordance with one aspect, a cooking apparatus includes: a coil on which a vessel is placed, configured to form a magnetic field upon application of a current; a detection sensor configured to detect a magnitude of an input current applied differently according to a type of the vessel and a magnitude of an input voltage of the cooking apparatus; and a controller configured to determine a type of the placed vessel according to a power value calculated based on the detected input current and input voltage, and to determine a heating mode of the cooking apparatus based on the determined type of vessel.Type: ApplicationFiled: May 24, 2019Publication date: August 26, 2021Applicants: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITYInventors: Ji Woong CHOI, Sang Min PARK, Byoung Kuk LEE, Eun Soo JANG, Dong Myoung JOO, Hong-Joo KANG, Nam Ju PARK, Chang Sun YUN, Hyun Kwan LEE
-
Patent number: 10974608Abstract: A method for selectively performing a full bridge control and a half bridge control in a WPT system using an LCCL-S resonant network may include: performing the full bridge control by controlling the switches not connected in series of the full bridge inverter to operate simultaneously; calculating a coupling coefficient of the WPT system; determining whether it is possible to switch the full bridge control to the half bridge control based on the calculated coupling coefficient; in response to determining that it is possible to switch the full bridge control to the half bridge control, calculating a load of the WPT system; and performing the half bridge control for the full bridge inverter based on the calculated load.Type: GrantFiled: July 18, 2018Date of Patent: April 13, 2021Assignees: Hyundai Motor Company, Kia Motors Corporation, Research & Business Foundation Sungkyunkwan UniversityInventors: Jae Eun Cha, Gyu Yeong Choe, Woo Young Lee, Jong Eun Byun, Min Kook Kim, Sang Joon Ann, Byoung Kuk Lee, Dong Myoung Joo
-
Patent number: 10960778Abstract: A wireless power reception apparatus including a bridgeless rectifier in a wireless power transfer (WPT) system for an electric vehicle (EV) may include: a bridgeless rectifier configured to rectify power transferred from a reception coil and to supply a direct current to a battery mounted in the EV; and a controller configured to control operation of the bridgeless rectifier. The bridgeless rectifier may include at least one switch and at least one diode connected to the at least one switch.Type: GrantFiled: March 12, 2019Date of Patent: March 30, 2021Assignees: Hyundai Motor Company, Kia Motors Corporation, Research & Business Foundation Sungkyunkwan UniversityInventors: Woo Young Lee, Jae Eun Cha, Gyu Yeong Choe, Jong Pil Kim, Min Jung Kim, Jong Eun Byun, Min Kook Kim, Sang Joon Ann, Byoung Kuk Lee
-
Patent number: 10862539Abstract: A reception pad for a wireless power transfer (WPT) system includes: a plate-shaped ferrite; an insulating layer disposed on one side of the ferrite; a first coil layer disposed on the insulating layer; an interlayer insulating layer disposed on the first coil layer; and a second coil layer disposed on the interlayer insulating layer. The insulating layer at least partially surrounds the first coil layer and the second coil layer, the first coil layer and the second coil layer at least partially overlap each other and are arranged in a rectangular ring form on the one side of the ferrite, and a ratio of a width which is larger between a first width of the first coil layer and a second width of the second coil layer to a first length of the ferrite in a width direction corresponding to the first width or the second width is 0.14 to 0.15.Type: GrantFiled: October 12, 2017Date of Patent: December 8, 2020Assignees: Hyundai Motor Company, Kia Motors Corporation, Research & Business Foundation Sungkyunkwan UniversityInventors: Woo Young Lee, Gyu Yeong Choe, Min Jung Kim, Min Kook Kim, Jong Eun Byeon, Min Hyuck Kang, Dong Gyun Woo, Byoung Kuk Lee, Dong Myoung Joo
-
Patent number: 10819162Abstract: A method for detecting a foreign object between a transmission pad and a reception pad for wireless power transfer (WPT) may comprise steps of performing a zero phase angle (ZPA) control for a power transfer converter included in or connected to the transmission pad; detecting a characteristic parameter with respect to at least one of an input current and a switching frequency of the power transfer converter; and determining whether or not a foreign object exists between the transmission pad and the reception pad according to whether the characteristic parameter with respect to at least one of the input current and the switching frequency deviates from an allowable range.Type: GrantFiled: February 26, 2018Date of Patent: October 27, 2020Assignees: Hyundai Motor Company, Kia Motors Corporation, Research & Business Foundation Sungkyunkwan UniversityInventors: Woo Young Lee, Gyu Yeong Choe, Jae Eun Cha, Byoung Kuk Lee, Min Kook Kim, Min Jung Kim, Dong Myoung Joo, Jong Eun Byun
-
Patent number: 10804749Abstract: A method for detecting a foreign object between a transmission pad and a reception pad for wireless power transfer (WPT) may comprise: performing, by a processor, a zero phase angle (ZPA) control for a power transfer converter included in or connected to the transmission pad; detecting, by the processor, a phase difference between an input current and an input voltage of the power transfer converter; and determining, by the processor, whether or not the foreign object exists between the transmission pad and the reception pad by comparing the phase difference with a reference value.Type: GrantFiled: March 8, 2018Date of Patent: October 13, 2020Assignees: Hyundai Motor Company, Kia Motors Corporation, Research & Business Foundation Sungkukwan UniversityInventors: Woo Young Lee, Gyu Yeong Choe, Jae Eun Cha, Min Jung Kim, Byoung Kuk Lee, Min Kook Kim, Sang Joon Ann, Jong Eun Byun
-
Patent number: 10661660Abstract: A vehicle charging system includes a power transmitter including at least one voltage converter configured to allow a vehicle charging mode to be changed by a plurality of switches and a magnetic field generator configured to generate a magnetic field corresponding to a voltage converted by the voltage converter; and a power receiver including a current inductor configured to allow an electrical signal to be induced by the magnetic field generated by the magnetic field generator, a rectifier configured to rectify the induced electrical signal and a battery configured to be charged by the electrical signal rectified by the rectifier.Type: GrantFiled: December 16, 2016Date of Patent: May 26, 2020Assignees: Hyundai Motor Company, Kia Motor Corporation, Research & Business Foundation Sungkyunkwan UniversityInventors: Woo Young Lee, Byeong Seob Song, JaeEun Cha, Gyu Yeong Choe, Minjung Kim, Jongeun Byun, Minkook Kim, Dongmyoung Joo, Sangjoon Ann, Byoung Kuk Lee
-
Patent number: 10548211Abstract: Provided is a resonant network for plasma power supply, which is connected between a power supply unit and an output unit. The resonant network includes a resonant inductor connected in series with the power supply unit, a resonant capacitor connected in parallel with the output unit and connected in series with the resonant inductor, and a passive element connected in series with the output unit and the resonant inductor and connected in parallel with the resonant capacitor.Type: GrantFiled: September 20, 2018Date of Patent: January 28, 2020Assignees: NEW POWER PLASMA CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERInventors: Seung Hee Ryu, Chang Seob Lim, Hong Kweon Moon, Won Yong Sung, Geun Wan Koo, Byoung Kuk Lee
-
Patent number: 10516297Abstract: A wireless power transmission pad for transmitting wireless power to a reception pad including a secondary coil includes: a rectangular-shaped primary coil having an X-width defined in an x-direction and a Y-width defined in a y-direction and having a central space; a ferrite coupled to the primary coil; and a housing supporting the primary coil and the ferrite. A first cross-sectional area of a first portion including the X-width of the primary coil is smaller than a second cross-sectional area of a second portion including the Y-width of the primary coil.Type: GrantFiled: March 7, 2017Date of Patent: December 24, 2019Assignees: Hyundai Motor Company, Kia Motors Corporation, Research & Business Foundation Sungkyunkwan UniversityInventors: Woo Young Lee, Gyu Yeong Choe, Byoung Kuk Lee, Min Kook Kim, Dong Myoung Joo, Jong Eun Byeon, Min Hyuck Kang, Dong Gyun Woo, Min Jung Kim
-
Publication number: 20190366866Abstract: A method for controlling wireless power transfer to an EV using a bridgeless rectifier may include detecting a phase difference between an input voltage of a transmission-side resonance circuit and an output voltage of a reception-side resonance circuit; after detecting the phase difference, predicting a resonance frequency change direction according to a preconfigured design condition; and controlling switching time points of switches included in the bridgeless rectifier in a direction compensating for the predicted change direction.Type: ApplicationFiled: May 30, 2019Publication date: December 5, 2019Inventors: Jae Eun Cha, Woo Young Lee, Gyu Yeong Choe, Byoung Kuk Lee, Jong Eun Byun, Sang Joon Ann, Won Jin Son, Jae Han Lee
-
Publication number: 20190366857Abstract: A method for performing switching synchronization of a bridgeless rectifier in an electric vehicle (EV) wireless power transfer system may include receiving, by an EV control module, an input voltage of a transmission-side resonance circuit from a transmission-side of the EV wireless power transfer system; calculating, by the EV control module, a phase difference between the received input voltage and a voltage or a current selected in the bridgeless rectifier and a reception-side resonance circuit; and controlling, by an EV control module, switching time points of switches included in the bridgeless rectifier to decrease the calculated phase difference. The reception-side resonance circuit may be electromagnetically coupled to the transmission-side resonance circuit, and the bridgeless rectifier may be configured to rectify an output of the reception-side resonance circuit and to output the rectified output.Type: ApplicationFiled: May 31, 2019Publication date: December 5, 2019Inventors: Jae Eun Cha, Woo Young Lee, Gyu Yeong Choe, Byoung Kuk Lee, Jong Eun Byun, Sang Joon Ann, Won Jin Son, Jae Han Lee
-
Patent number: 10493976Abstract: A charging device according to an exemplary embodiment of the present invention may include: a battery adapted and configured to store a DC voltage, first and second motors adapted and configured to operate as a motor or a generator, first and second inverters adapted and configured to operate the first and second motors, a voltage transformer adapted and configured to boost the DC voltage of the battery to supply it to the first and second inverters and boosts the DC voltage of the inverter to supply it to the battery, and a charging controller adapted and configured to operate the first and second inverters as a booster or operate the voltage transformer as a buck booster according to a voltage that is input through a neutral point of the first and second motors and the voltage of the battery.Type: GrantFiled: August 4, 2017Date of Patent: December 3, 2019Assignees: Hyndai Motor Company, Research & Business Foundation Sungkyunkwan University, Kia Motors CorporationInventors: Seong Yeop Lim, Gu Bae Kang, Jeongbin Yim, Byungsoon Min, Byoung-Kuk Lee, Seung-Min Shin, Dong-Hee Kim, Dong-Gyun Woo
-
Publication number: 20190357341Abstract: Provided is a resonant network for plasma power supply, which is connected between a power supply unit and an output unit. The resonant network includes a resonant inductor connected in series with the power supply unit, a resonant capacitor connected in parallel with the output unit and connected in series with the resonant inductor, and a passive element connected in series with the output unit and the resonant inductor and connected in parallel with the resonant capacitor.Type: ApplicationFiled: September 20, 2018Publication date: November 21, 2019Inventors: Seung Hee RYU, Chang Seob LIM, Hong Kweon MOON, Won Yong SUNG, Geun Wan KOO, Byoung Kuk LEE
-
Patent number: 10439446Abstract: A foreign object detection apparatus using a mobile laser in a wireless power transfer (WPT) system may comprise a laser transmitting part installed on one side of an upper portion of a transmission pad to generate a laser; a laser receiving part installed on an opposite side to the one side, and receiving the laser generated by the laser transmitting part; and a laser moving part for moving the laser transmitting part and the laser receiving part along the one side or the opposite side of the transmission pad.Type: GrantFiled: January 2, 2018Date of Patent: October 8, 2019Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITYInventors: Jae Eun Cha, Gyu Yeong Choe, Woo Young Lee, Byoung Kuk Lee, Min Jung Kim, Min Kook Kim, Jong Eun Byun, Sang Joon Ann
-
Publication number: 20190283615Abstract: A wireless power reception apparatus including a bridgeless rectifier in a wireless power transfer (WPT) system for an electric vehicle (EV) may include: a bridgeless rectifier configured to rectify power transferred from a reception coil and to supply a direct current to a battery mounted in the EV; and a controller configured to control operation of the bridgeless rectifier. The bridgeless rectifier may include at least one switch and at least one diode connected to the at least one switch.Type: ApplicationFiled: March 12, 2019Publication date: September 19, 2019Inventors: Woo Young Lee, Jae Eun Cha, Gyu Yeong Choe, Jong Pil Kim, Min Jung Kim, Jong Eun Byun, Min Kook Kim, Sang Joon Ann, Byoung Kuk Lee
-
Patent number: 10411515Abstract: A primary coil circuit of a ground assembly for wirelessly transferring power to a secondary coil includes: a primary coil magnetically coupled to the secondary coil and having a first terminal and a second terminal; a second capacitor having a first terminal and a second terminal connected to the first terminal of the primary coil; a first inductor having a first terminal coupled to a first input terminal of a power source and a second terminal coupled to the first terminal of the second capacitor; and a first capacitor having a first terminal coupled commonly to the second terminal of the first inductor and the first terminal of the second capacitor and a second terminal coupled commonly to the second terminal of the primary coil and a second input terminal of the power source.Type: GrantFiled: March 16, 2017Date of Patent: September 10, 2019Assignees: Hyundai Motor Company, Kia Motors Corporation, Research & Business Foundation Sungkyunkwan UniversityInventors: Woo Young Lee, Gyu Yeong Choe, Min Jung Kim, Min Kook Kim, Jong Eun Byeon, Min Hyuck Kang, Dong Gyun Woo, Byoung Kuk Lee, Dong Myoung Joo