Patents by Inventor Jung-Shik Kim
Jung-Shik 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).
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Patent number: 11967862Abstract: In a driving system, first and second inverters are connected to a driving motor, one end of a stator winding through which 3-phase current flows is connected to an output line of the first inverter, and the other end of the stator winding is connected to an output line of the second inverter. A winding pattern of the driving motor includes: coils wound in slots defined in the stator and to which 3-phase current is applied; coils wound on innermost and outermost sides based on a direction toward a rotating shaft of the driving motor in the slots, and being energized by different AC phases; and coils disposed between a first coil located on the outermost side and a second coil located on the innermost side, and being energized by the same AC phases as those of the first and second coils.Type: GrantFiled: November 16, 2021Date of Patent: April 23, 2024Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Woong Chan Chae, Jung Shik Kim, Jong Hoon Lee, Byung Kwan Son, Sang Hoon Moon, Young Jin Shin
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Patent number: 11824414Abstract: A motor winding pattern is provided. In a driving system in which a first inverter and a second inverter are connected to a drive motor, and one end of a stator winding through which a three phase currents flow is connected to an output line of the first inverter, and the other end of the stator winding is connected to an output line of the second inverter, coils to which three phase currents are applied are wound on slots defined in a stator of the drive motor, and coils to which alternating current phases different from each other are applied are wound inside and outside each of all the slots defined in the stator on the basis of direction toward a rotation axis of the drive motor.Type: GrantFiled: July 9, 2021Date of Patent: November 21, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Woong Chan Chae, Jung Shik Kim, Byung Kwan Son, Young Jin Shin, Jong Hoon Lee, Sang Hoon Moon
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Patent number: 11601033Abstract: A ground structure of a driving motor applied to an eco-friendly vehicle includes a rotation shaft rotatably supported by a bearing, a motor housing enveloping the bearing and the rotation shaft, a ground structure disposed in a direction in which the rotation shaft extends, and a cover having the ground structure installed therein and connected to the motor housing. In particular, the ground structure contacts the rotation shaft through a ground unit, thereby grounding the rotation shaft.Type: GrantFiled: December 7, 2020Date of Patent: March 7, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Jeong Bin Yim, Jin Ho Kim, Sang Hoon Moon, Jung Shik Kim
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Publication number: 20230052570Abstract: A driving system of a driving motor is proposed. The system includes: a stator having slots at which coils are wound; a first inverter connected to first ends of the coils of the stator; a second inverter connected to second ends of the coils of the stator; and a stage switch circuit configured to control an electrical connection between the second ends of the coils of the stator and the second inverter. In particular, the coils include a first coil set connected to an output terminal of the first inverter, and a second coil set connected to an input terminal of the second inverter. Currents having the same phase or currents having different AC phases are applied to the first coil set and the second coil set wound at the slots by controlling on and off of the stage switch circuit.Type: ApplicationFiled: June 16, 2022Publication date: February 16, 2023Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Woong Chan Chae, Jung Shik Kim, Young Jin Shin, Byung Kwan Son, Tae Yong Lee, Sang Hoon Moon, Jong Hoon Lee
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Publication number: 20220385121Abstract: In a driving system, first and second inverters are connected to a driving motor, one end of a stator winding through which 3-phase current flows is connected to an output line of the first inverter, and the other end of the stator winding is connected to an output line of the second inverter. A winding pattern of the driving motor includes: coils wound in slots defined in the stator and to which 3-phase current is applied; coils wound on innermost and outermost sides based on a direction toward a rotating shaft of the driving motor in the slots, and being energized by different AC phases; and coils disposed between a first coil located on the outermost side and a second coil located on the innermost side, and being energized by the same AC phases as those of the first and second coils.Type: ApplicationFiled: November 16, 2021Publication date: December 1, 2022Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Woong Chan Chae, Jung Shik Kim, Jong Hoon Lee, Byung Kwan Son, Sang Hoon Moon, Young Jin Shin
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Publication number: 20220158514Abstract: A motor winding pattern is provided. In a driving system in which a first inverter and a second inverter are connected to a drive motor, and one end of a stator winding through which a three phase currents flow is connected to an output line of the first inverter, and the other end of the stator winding is connected to an output line of the second inverter, coils to which three phase currents are applied are wound on slots defined in a stator of the drive motor, and coils to which alternating current phases different from each other are applied are wound inside and outside each of all the slots defined in the stator on the basis of direction toward a rotation axis of the drive motor.Type: ApplicationFiled: July 9, 2021Publication date: May 19, 2022Inventors: Woong Chan Chae, Jung Shik Kim, Byung Kwan Son, Young Jin Shin, Jong Hoon Lee, Sang Hoon Moon
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Publication number: 20210351671Abstract: A ground structure of a driving motor applied to an eco-friendly vehicle includes a rotation shaft rotatably supported by a bearing, a motor housing enveloping the bearing and the rotation shaft, a ground structure disposed in a direction in which the rotation shaft extends, and a cover having the ground structure installed therein and connected to the motor housing. In particular, the ground structure contacts the rotation shaft through a ground unit, thereby grounding the rotation shaft.Type: ApplicationFiled: December 7, 2020Publication date: November 11, 2021Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Jeong Bin YIM, Jin Ho KIM, Sang Hoon MOON, Jung Shik KIM
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Patent number: 10742157Abstract: A vehicle and method of controlling the same are provided in which the performance of an electric motor is prevented from being degraded by efficiently and more accurately calculating the temperature of a permanent magnet within the electric motor to adjust the amount of power supplied to the electric motor. The vehicle includes an electric motor having a stator, a rotor, and a permanent magnet and a sensor that measures the temperature of the electric motor. An inverter drives the electric motor and a controller generates a predetermined heat quantity by supplying power to the electric motor to calculate the temperature of the permanent magnet based on the temperature of the electric motor at a predetermined point measured using the sensor. When the temperature of the permanent magnet exceeds a predetermined temperature, the controller reduces the supply of the power.Type: GrantFiled: February 25, 2019Date of Patent: August 11, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: YoungJin Shin, Dongyeon Han, Sanghoon Moon, Kyungsoo Park, WoongChan Chae, Hyoungjun Cho, Jung Shik Kim
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Patent number: 10720875Abstract: An apparatus for controlling a drive motor of a vehicle in which a wound rotor synchronous motor is mounted includes: an inverter which controls a stator current supplied to a stator of the drive motor and a rotor current supplied to a rotor of the drive motor; and a drive motor controller which controls the inverter such that the stator current and the rotor current are supplied to the drive motor when a temperature of the rotor is less than a threshold value, and only the stator current is supplied to the drive motor when the temperature of the rotor is greater than or equal to the threshold value.Type: GrantFiled: June 25, 2019Date of Patent: July 21, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: WoongChan Chae, Sanghoon Moon, Jung Shik Kim, Kyungsoo Park, YoungJin Shin, Hyoungjun Cho, Sangjin Park
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Patent number: 10705145Abstract: A method of extracting impedance parameters of a three-phase motor utilizes a five-terminal network including first to third winding wires and opposite shaft ends. The method includes connecting two terminals, selected from among the winding wires and the shaft ends, to input and output terminals in order to measure voltage and current of the terminals and to extract input impedance parameters of the five-terminal network, extracting conversion parameters including voltage and current transfer matrices in a common mode, in which the winding wires are commonly connected to the input and output terminals, and in a differential mode, in which the winding wires are differentially connected to the input and output terminals, and calculating impedance parameters in a mixed mode, in which transfer impedance components for the shaft ends in the common mode and the differential mode are mixed, using the extracted input impedance parameters and conversion parameters.Type: GrantFiled: November 8, 2018Date of Patent: July 7, 2020Assignees: Hyundai Motor Company, Kia Motors Corporation, UNIST (Ulsan National Institute of Science and Technology)Inventors: Woong Chan Chae, Sang Hoon Moon, Jung Shik Kim, Young Jin Shin, Hyoung Jun Cho, Young Gon Ryu, Ki Jin Han
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Publication number: 20200153377Abstract: A vehicle and method of controlling the same are provided in which the performance of an electric motor is prevented from being degraded by efficiently and more accurately calculating the temperature of a permanent magnet within the electric motor to adjust the amount of power supplied to the electric motor. The vehicle includes an electric motor having a stator, a rotor, and a permanent magnet and a sensor that measures the temperature of the electric motor. An inverter drives the electric motor and a controller generates a predetermined heat quantity by supplying power to the electric motor to calculate the temperature of the permanent magnet based on the temperature of the electric motor at a predetermined point measured using the sensor. When the temperature of the permanent magnet exceeds a predetermined temperature, the controller reduces the supply of the power.Type: ApplicationFiled: February 25, 2019Publication date: May 14, 2020Inventors: YoungJin Shin, Dongyeon Han, Sanghoon Moon, Kyungsoo Park, WoongChan Chae, Hyoungjun Cho, Jung Shik Kim
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Patent number: 10622860Abstract: A drive motor for a vehicle includes: a stator and a rotor, in which the stator includes: stator teeth which are disposed between multiple slots, respectively, the multiple slots being formed at predetermined intervals in a circumferential direction corresponding to an outer circumferential surface of the rotor, and have a blocking portion which protrudes toward one of the slots disposed at both sides, the blocking portion formed at one side of an inner circumferential surface of each of the stator teeth facing the rotor, and a groove which is formed radially outward at an opposite side of the inner circumferential surface of each of the stator teeth; and opening sections each of which is in communication with the slot and formed between the blocking portion and the opposite side of the inner circumferential surface of the stator tooth adjacent to the blocking portion, and the slot is opened radially through the opening section.Type: GrantFiled: November 19, 2018Date of Patent: April 14, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Kyungsoo Park, Sanghoon Moon, Jung Shik Kim, Yong Jae Lee, Nyeonhan Hong, Hyoungjun Cho, Suhyun Bae
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Publication number: 20200112284Abstract: An apparatus for controlling a drive motor of a vehicle in which a wound rotor synchronous motor is mounted includes: an inverter which controls a stator current supplied to a stator of the drive motor and a rotor current supplied to a rotor of the drive motor; and a drive motor controller which controls the inverter such that the stator current and the rotor current are supplied to the drive motor when a temperature of the rotor is less than a threshold value, and only the stator current is supplied to the drive motor when the temperature of the rotor is greater than or equal to the threshold value.Type: ApplicationFiled: June 25, 2019Publication date: April 9, 2020Inventors: WoongChan Chae, Sanghoon Moon, Jung Shik Kim, Kyungsoo Park, YoungJin Shin, Hyoungjun Cho, Sangjin Park
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Patent number: 10498285Abstract: A temperature calculation system includes a yoke disposed along an inner circumference, first and second teeth arranged on an inner circumference surface of the yoke while having an interval set in a circumference direction, and a coil member formed between the first and second teeth and including a plurality of coils, forms a thermal equivalent circuit of the coil member, and calculates a temperature of a set portion of the coil member. An outer circumference surface temperature and an inner circumference surface temperature of the coil member are calculated by using radial conduction resistance using a temperature of an inner one side of the coil member. An average temperature of the coil member is calculated by using compensation resistance from the temperature of the inner one side of the coil member, thermal capacity of the coil member, and a heating amount of the coils formed in the coil member.Type: GrantFiled: June 8, 2017Date of Patent: December 3, 2019Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: YoungJin Shin, Sanghoon Moon, WoongChan Chae, Hyoungjun Cho, Jung Shik Kim
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Patent number: 10427546Abstract: A vehicle includes: a motor including a stator and a rotor; an inverter configured to drive the motor; a battery, which is rechargeable; and a controller configured to change a position of the rotor based on whether the position of the rotor is identical to a predetermined position. Additionally, the controller is configured to control the inverter such that the battery is charged after the position of the rotor changes.Type: GrantFiled: February 15, 2018Date of Patent: October 1, 2019Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Sanghoon Moon, Jung Shik Kim, Yeonho Kim, YoungJin Shin, Kyungsoo Park, Hyoungjun Cho, WoongChan Chae
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Patent number: 10404140Abstract: A cooling structure of a drive motor may include a ring-shaped support member disposed on the inside of a housing and supporting the stator core of the drive motor, in which the support member may have a channel for cooling oil flow therein and nozzle openings for spraying the cooling oil to the stator core and a stator coil wounded around the stator core.Type: GrantFiled: December 9, 2016Date of Patent: September 3, 2019Assignee: Hyundai Motor CompanyInventors: Sanghoon Moon, Yeonho Kim, WoongChan Chae, YoungJin Shin, Hyoungjun Cho, Jung Shik Kim
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Patent number: 10393185Abstract: A bearing for a drive motor is provided. The bearing includes an inner race that is coupled to a rotation shaft, an outer race that is coupled to a motor housing, and rolling members that are rotatably disposed between a raceway surface of the inner race and a raceway surface of the outer race. Additionally, a retainer is disposed between the inner race and the outer race and supports the rolling members at a predetermined interval along a circumferential direction. A conductive guide member is formed in each of the inner race and the outer race and forms a current path between the inner race and the outer race through the retainer.Type: GrantFiled: July 20, 2018Date of Patent: August 27, 2019Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Nyeonhan Hong, Hee Ra Lee, Jung Shik Kim, Kyungsoo Park, Jae Bum Park, Yong Jae Lee, Jai Hak Kim, Suhyun Bae
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Publication number: 20190214869Abstract: A hairpin winding motor for a vehicle may include a hairpin including a pattern coil formed from a bundle of a plurality of coils; a stator including a slot in which the hairpin is arranged; and a rotor configured to move in response to the stator.Type: ApplicationFiled: July 30, 2018Publication date: July 11, 2019Inventors: Sang Hoon Moon, Dong Yeon Han, Yeon Ho Kim, Woong Chan Chae, Young Jin Shin, Kyung Soo Park, Hyoung Jun Cho, Jung Shik Kim
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Publication number: 20190181714Abstract: A drive motor for a vehicle includes: a stator and a rotor, in which the stator includes: stator teeth which are disposed between multiple slots, respectively, the multiple slots being formed at predetermined intervals in a circumferential direction corresponding to an outer circumferential surface of the rotor, and have a blocking portion which protrudes toward one of the slots disposed at both sides, the blocking portion formed at one side of an inner circumferential surface of each of the stator teeth facing the rotor, and a groove which is formed radially outward at an opposite side of the inner circumferential surface of each of the stator teeth; and opening sections each of which is in communication with the slot and formed between the blocking portion and the opposite side of the inner circumferential surface of the stator tooth adjacent to the blocking portion, and the slot is opened radially through the opening section.Type: ApplicationFiled: November 19, 2018Publication date: June 13, 2019Inventors: Kyungsoo Park, Sanghoon Moon, Jung Shik Kim, Yong Jae Lee, Nyeonhan Hong, Hyoungjun Cho, Suhyun Bae
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Publication number: 20190178294Abstract: A bearing for a drive motor is provided. The bearing includes an inner race that is coupled to a rotation shaft, an outer race that is coupled to a motor housing, and rolling members that are rotatably disposed between a raceway surface of the inner race and a raceway surface of the outer race. Additionally, a retainer is disposed between the inner race and the outer race and supports the rolling members at a predetermined interval along a circumferential direction. A conductive guide member is formed in each of the inner race and the outer race and forms a current path between the inner race and the outer race through the retainer.Type: ApplicationFiled: July 20, 2018Publication date: June 13, 2019Inventors: Nyeonhan Hong, Hee Ra Lee, Jung Shik Kim, Kyungsoo Park, Jae Bum Park, Yong Jae Lee, Jai Hak Kim, Suhyun Bae