Patents by Inventor Hyun Ki Cho
Hyun Ki Cho 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).
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Patent number: 11993392Abstract: An auxiliary propulsion apparatus of an air vehicle may include an engine mounted in a fuselage of the air vehicle, a generator configured to be driven using power from the engine, a compressor configured to be driven by the engine or the generator, a battery configured to store electricity generated by the generator, an electricity distributor connected to the generator, the battery and the main propulsion apparatus and configured to distribute electricity generated by the generator to the battery and to a main propulsion apparatus, and at least one nozzle device configured to jet high-pressure gas, supplied from the compressor, to an outside of the fuselage.Type: GrantFiled: July 21, 2021Date of Patent: May 28, 2024Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Woo Suk Jung, Gwi Taek Kim, Yoon Cheol Jeon, Hyun Ki Cho
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Publication number: 20240157799Abstract: The present disclosure relates to a battery pack diagnosis control apparatus, a battery system including the same, and a method thereof. An exemplary embodiment of the present disclosure provides a battery system including: at least one battery pack; a flight control apparatus configured to transmit at least one of a battery discharge mode command or a motor discharge command; a battery control apparatus configured to transmit a relay control command for a relay based on receiving the battery discharge mode command, and transmit a diagnosis command based on receiving the motor discharge command; and at least one battery pack control apparatus configured to control the relay based on receiving the relay control command, and diagnose a failure of the at least one battery pack by measuring a current of the at least one battery pack based on receiving the diagnosis command.Type: ApplicationFiled: April 12, 2023Publication date: May 16, 2024Inventors: Hyun Ki Cho, Yoon Cheol Jeon, Jin Soo Jang
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Publication number: 20240120224Abstract: A semiconductor manufacturing equipment may include a process chamber for treating a substrate; a front-end module including a first transfer robot, wherein the first transfer robot may be configured to transport the substrate received in a container; a transfer chamber between the front-end module and the process chamber, wherein the transfer chamber may be configured to load or unload the substrate into or out of the process chamber; and a cassette capable of receiving a replaceable component capable of being used in the process chamber. The front-end module may include a seat plate configured to move in a sliding manner so as to retract or extend into or from the front-end module. The cassette may be configured to be loaded into the front-end module while the cassette is seated on the seat plate.Type: ApplicationFiled: September 12, 2023Publication date: April 11, 2024Applicant: Samsung Electronics Co., Ltd.Inventors: Jin Hyuk CHOI, Beom Soo HWANG, Kong Woo LEE, Myung Ki SONG, Ja-Yul KIM, Kyu Sang LEE, Hyun Joo JEON, Nam Young CHO
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Patent number: 11943976Abstract: A display device includes a substrate, a first conductive layer on the substrate, the first conductive layer including a data signal line, a first insulating layer on the first conductive layer, a semiconductor layer on the first insulating layer, the semiconductor layer including a first semiconductor pattern, a second insulating layer on the semiconductor layer, and a second conductive layer on the second insulating layer, the second conductive layer including a gate electrode disposed to overlap the first semiconductor pattern, a transistor first electrode disposed to overlap a part of the first semiconductor pattern, wherein the transistor first electrode is electrically connected to the data signal line through a contact hole that penetrates the first and second insulating layers, and a transistor second electrode disposed to overlap another part of the first semiconductor pattern.Type: GrantFiled: June 4, 2020Date of Patent: March 26, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung Sok Son, Woo Geun Lee, Seul Ki Kim, Kap Soo Yoon, Hyun Woong Baek, Jae Hyun Lee, Su Jung Jung, Jung Kyoung Cho, Seung Ha Choi, June Whan Choi
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Publication number: 20240083384Abstract: A vehicle seat reinforcement device includes a leg portion mounted on a floor panel, a seat cushion frame slidably mounted on the leg portion, and a load reinforcing structure connected between the leg portion and the seat cushion frame, wherein when a seat belt anchorage load is transferred to the seat cushion frame, the seat cushion frame is locked to the leg portion by the load reinforcing structure.Type: ApplicationFiled: February 3, 2023Publication date: March 14, 2024Applicants: Hyundai Motor Company, Kia Corporation, Daechang Seat Co.,LTD-Dongtan, Hyundai Transys Inc.Inventors: Sang Soo LEE, Chan Ho JUNG, Mu Young KIM, Sang Hark LEE, Ho Suk JUNG, Deok Soo LIM, Sang Do PARK, In Sun BAEK, Sin Chan YANG, Chan Ki CHO, Myung Soo LEE, Jae Yong JANG, Jun Sik HWANG, Ho Sung KANG, Hae Dong KWAK, Hyun Tak KO
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Patent number: 11745882Abstract: A power management system for an air mobility vehicle includes a plurality of batteries configured to provide power to a propulsion unit of the air mobility vehicle to propel the air mobility vehicle, and a discharge control unit configured to monitor an operation state and a charge state of each battery, determine a discharge mode of each of the plurality of batteries according to the monitored operation state and the monitored charge state, and control whether each of the plurality of batteries is discharged or a discharge rate thereof according to the determined discharge mode.Type: GrantFiled: July 22, 2021Date of Patent: September 5, 2023Assignees: Hyundai Motor Company, Kia CorporationInventors: Hyun Ki Cho, Hyun Woo Jun, Hee Kwang Lee
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Publication number: 20230258729Abstract: A battery management apparatus is discussed, and includes: a measuring unit connected to a battery and configured to operate in a measurement mode during a predetermined measurement time at each preset measurement cycle and measure battery information including at least one of voltage and temperature of the battery while operating in the measurement mode; and a control unit configured to operate in a communication mode during a preset operation time at each preset communication cycle, receive the battery information from the measuring unit while operating in the communication mode, set a next operation time point at which the measuring unit is to operate in the measurement mode based on at least one of the communication cycle and a measurement time, and change an operation time to operate in the communication mode at each subsequent communication cycle based on the measurement time.Type: ApplicationFiled: June 3, 2021Publication date: August 17, 2023Applicant: LG ENERGY SOLUTION, LTD.Inventors: Jae-Dong PARK, Jung-Hyun KWON, Hyun-Ki CHO, Jung-Hoon LEE, Hu-Jun LEE, Ji-Won HWANG
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Publication number: 20230236263Abstract: Discussed is a system for managing a state of a battery, the system including: a user terminal to set location information about a location at which the battery is stored and output the set location information; a battery information obtaining device connected to the battery and to obtain battery information including at least one of voltage, SOC, and SOH of the battery and output the obtained battery information; and a performance detecting device connected to the user terminal to receive the set location information, connected to the battery information obtaining device to receive the obtained battery information, and to determine a target location at which the battery is stored, obtain environment information of the determined target location, set reference state information of at least one reference cell stored around the determined target location, and detect performance of the battery.Type: ApplicationFiled: May 25, 2021Publication date: July 27, 2023Applicant: LG ENERGY SOLUTION, LTD.Inventors: Hu-Jun LEE, Jung-Hyun KWON, Ho-Byung YOON, Sang-Hoon LEE, Hyun-Ki CHO
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Patent number: 11664652Abstract: An emergency power management system of a mobility, may include a fuse device connected to a battery and including a first circuit and a second circuit in which a first fuse and a second fuse are respectively provided and are connected in parallel, a pyro switch provided between the first circuit and the second circuit, and configured to establish electric connection with the first circuit in ordinary times and to release electric connection with the first circuit and to establish electric connection with the second circuit in a case of emergency, a determiner configured to determine abnormality of the first fuse based on current applied from the high-voltage battery or voltages at opposite end portions of the first fuse, and a controller configured to operate the pyro switch when abnormality occurs in the first fuse.Type: GrantFiled: July 30, 2021Date of Patent: May 30, 2023Assignees: Hyundai Motor Company, Kia CorporationInventors: Yoon Cheol Jeon, Hyun Woo Jun, Hee Kwang Lee, Hyun Ki Cho, Gwi Taek Kim, Hyun Seok Hong, Woo Suk Jung
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Publication number: 20230101736Abstract: A battery pack comprising a slave BMS which diagnoses an error in a battery module. The battery pack includes a master BMS and a first slave BMS. The first slave BMS, when an error has occurred in a first battery module, determines whether or not the error is critical. The first slave BMS communicates with the master BMS in a time segment corresponding to the Identification (ID) of the first slave BMS, changes the ID based on whether or not the error is critical, then outputs information on the error to the master BMS in a time segment corresponding to the changed ID.Type: ApplicationFiled: May 28, 2021Publication date: March 30, 2023Applicant: LG Energy Solution, Ltd.Inventors: Ye Seul Lee, Hyun Ki Cho
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Publication number: 20230053008Abstract: A system for detecting a defective battery using wireless communications. The system includes first sensors and a first master device. The first sensors are matched on a 1:1 basis with first battery modules to monitor the first battery modules. The first master device communicates with the first sensors. The respective first sensors each include a first monitoring circuit which collects a primary data on a 1:1-matched first battery module in a monitoring mode, and a first communicating circuit which outputs the primary data to the first master device in a communicating mode. The first monitoring circuit is turned off in the communicating mode. The first communicating circuit is turned off in the monitoring mode.Type: ApplicationFiled: May 27, 2021Publication date: February 16, 2023Applicant: LG Energy Solution, Ltd.Inventors: Ji Won Hwang, Hyun Ki Cho, Sang Hoon Lee, Jae Dong Park, Hu Jun Lee, Jung Hyun Kwon
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Publication number: 20220393320Abstract: A battery pack includes a pack case having a predetermined accommodation space, a plurality of battery modules accommodated in the pack case and having a plurality of battery cells stacked on each other, at least one partition isolation member disposed to compart the plurality of battery modules in a direction parallel to a stacking direction of the plurality of battery cells, a plurality of bus bar members configured to electrically connect the plurality of battery modules, a plurality of relay units connected to the plurality of bus bar members, and an outer resistor unit connected to the plurality of relay units and provided at one inner side of the pack case.Type: ApplicationFiled: September 21, 2020Publication date: December 8, 2022Applicant: LG ENERGY SOLUTION, LTD.Inventors: Jee-Soon CHOI, Se-Won KIM, Sang-Jun PARK, Dal-Mo KANG, Gyu-Jong BAE, Sang-Hoon LEE, Hyun-Ki CHO, Yong-Seok CHOI
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Publication number: 20220294039Abstract: Disclosed is a battery management system and a battery pack and the battery management system includes: a pack voltage sampling unit for periodically sampling a pack voltage of a battery pack; a pack current sampling unit for sampling a pack current of the battery pack; and a control unit for, when the pack voltage sampling of the battery pack is completed, recording a time from a sampling start time of the pack voltage to a sampling completion time of the pack voltage as a first time, and transmitting a voltage sampling synchronization signal for measuring a cell voltage of a battery cell to a plurality of lower-level battery management systems.Type: ApplicationFiled: July 23, 2020Publication date: September 15, 2022Applicant: LG ENERGY SOLUTION, LTD.Inventors: Hyun Ki CHO, Jae Dong PARK, Keun Wook LEE
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Publication number: 20220294035Abstract: A battery pack includes at least one battery module including a plurality of battery cells, and a module housing to receive the plurality of battery cells, at least one thermoelectric module disposed outside or inside of the module housing of the battery module and configured to generate voltage when a temperature of the battery module rises to a predetermined temperature or above, and an energy drain unit configured to discharge the battery module when a predetermined magnitude of voltage or above is applied from the thermoelectric module.Type: ApplicationFiled: July 13, 2020Publication date: September 15, 2022Applicant: LG ENERGY SOLUTION, LTD.Inventors: Jee-Soon CHOI, Dal-Mo KANG, Jae-Dong PARK, Sang-Hoon LEE, Hyun-Ki CHO, Yong-Seok CHOI
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Publication number: 20220294252Abstract: Discussed is a battery management apparatus which includes a battery management system that monitors a state of a battery, and a power receiving device that wirelessly receives power from a power transmitting device, where the battery management system calculates an optimum charging condition for the battery based on data on the state of the battery and power transmission performance of the power transmitting device.Type: ApplicationFiled: September 7, 2020Publication date: September 15, 2022Applicant: LG ENERGY SOLUTION, LTD.Inventors: Hyun Ki CHO, Sang Hoon LEE, Jae Dong PARK, Keun Wook LEE, Ji Eun KIM, Chan Ha PARK, Sung Gun LEE, Seong Yeol YANG
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Publication number: 20220209544Abstract: The present disclosure provides a battery system and a controlling method of the same. The battery system includes a plurality of rechargeable battery packs, and includes a first battery pack that is rechargeable, a second battery pack that is rechargeable independently of the first battery pack, a first switching element that switches the first battery pack between at least a charging node and a discharging node, a second switching element that switches the second battery pack between at least the charging node and the discharging node, and a controller that controls switching states of the first switching element and the second switching element based on usage states and states of charge of the first battery pack and the second battery pack, and thus it is possible to effectively charge a high capacity and high output battery pack.Type: ApplicationFiled: September 3, 2020Publication date: June 30, 2022Applicant: LG ENERGY SOLUTION, LTD.Inventors: Ji Eun KIM, Sang Hoon LEE, Jae Dong PARK, Hyun Ki CHO
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Publication number: 20220204172Abstract: A power management system for an air mobility vehicle includes a plurality of batteries configured to provide power to a propulsion unit of the air mobility vehicle to propel the air mobility vehicle, and a discharge control unit configured to monitor an operation state and a charge state of each battery, determine a discharge mode of each of the plurality of batteries according to the monitored operation state and the monitored charge state, and control whether each of the plurality of batteries is discharged or a discharge rate thereof according to the determined discharge mode.Type: ApplicationFiled: July 22, 2021Publication date: June 30, 2022Applicants: Hyundai Motor Company, Kia CorporationInventors: Hyun Ki CHO, Hyun Woo JUN, Hee Kwang LEE
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Publication number: 20220204178Abstract: An auxiliary propulsion apparatus of an air vehicle may include an engine mounted in a fuselage of the air vehicle, a generator configured to be driven using power from the engine, a compressor configured to be driven by the engine or the generator, a battery configured to store electricity generated by the generator, an electricity distributor connected to the generator, the battery and the main propulsion apparatus and configured to distribute electricity generated by the generator to the battery and to a main propulsion apparatus, and at least one nozzle device configured to jet high-pressure gas, supplied from the compressor, to an outside of the fuselage.Type: ApplicationFiled: July 21, 2021Publication date: June 30, 2022Inventors: Woo Suk Jung, Gwi Taek Kim, Yoon Cheol Jeon, Hyun Ki Cho
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Publication number: 20220194566Abstract: A noise reduction system for air mobility, may include a plurality of propeller modules provided on the air mobility and each including an inverter, a motor electrically connected to the inverter, and a propeller mounted to the motor; and a control unit configured to perform PWM control of power to be provided to the inverters to reduce noise attributable to carrier frequencies generated by the plurality of inverters or reduce noise attributable to fundamental frequencies generated by the plurality of motors.Type: ApplicationFiled: July 16, 2021Publication date: June 23, 2022Applicants: Hyundai Motor Company, Kia CorporationInventors: Hee Kwang LEE, Hyun Seok Hong, Hyun Ki Cho
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Publication number: 20220200265Abstract: An emergency power management system of a mobility, may include a fuse device connected to a battery and including a first circuit and a second circuit in which a first fuse and a second fuse are respectively provided and are connected in parallel, a pyro switch provided between the first circuit and the second circuit, and configured to establish electric connection with the first circuit in ordinary times and to release electric connection with the first circuit and to establish electric connection with the second circuit in a case of emergency, a determiner configured to determine abnormality of the first fuse based on current applied from the high-voltage battery or voltages at opposite end portions of the first fuse, and a controller configured to operate the pyro switch when abnormality occurs in the first fuse.Type: ApplicationFiled: July 30, 2021Publication date: June 23, 2022Applicants: Hyundai Motor Company, Kia CorporationInventors: Yoon Cheol JEON, Hyun Woo JUN, Hee Kwang LEE, Hyun Ki CHO, Gwi Taek KIM, Hyun Seok HONG, Woo Suk JUNG