Patents by Inventor Ho Rim
Ho Rim 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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Publication number: 20240116366Abstract: In a control method of a motor drive system, when a first motor corresponding to a first drive wheel is being driven in a second drive mode among a first drive mode in which the first motor is driven by a first inverter of the motor drive system and connected to a first end of each of coils of the first motor and the second drive mode in which the first motor is driven by the first inverter and a second inverter connected to a second end of each of the coils and configured to selectively operate, whether or not the second inverter malfunctions is determined. When the second inverter malfunctions, a drive mode is changed so that the first motor is driven in the first drive mode. An output limit of the first motor in the first drive mode is relaxed.Type: ApplicationFiled: May 8, 2023Publication date: April 11, 2024Applicants: Hyundai Motor Company, Kia CorporationInventors: Seung Hyeon BIN, Byung Oh Tak, Seong Min Kim, Ho Rim Choi
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Publication number: 20240116372Abstract: An electrified vehicle includes a motor including a plurality of windings, a first inverter connected to a first end of each of the plurality of windings and configured to drive the motor, a second inverter connected to a second end of each of the plurality of windings and configured to drive the motor in a second driving mode of a first driving mode and the second driving mode, a first controller configured to determine one of first and second output limit lines as an output limit line of the first driving mode, depending on whether a preset condition is satisfied, and a second controller configured to bidirectionally switch the first driving mode and the second driving mode within an operating point range according to the output limit line of the first driving mode in accordance with a value of a torque command for the motor and counter magnetic flux of the motor.Type: ApplicationFiled: March 2, 2023Publication date: April 11, 2024Applicants: Hyundai Motor Company, Kia CorporationInventors: Seung Hyeon BIN, Byung Oh TAK, Seong Min KIM, Ho Rim CHOI
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Publication number: 20240106362Abstract: A motor driving apparatus includes a motor having a plurality of windings, a first inverter which is connected to a first end of each of the plurality of windings and drives the motor, a second inverter which is connected to a second end of each of the plurality of windings and selectively drives the motor according to a motor drive mode, and a controller which generates a current command for the motor according to a torque command and a voltage utilization rate control value, determines whether to perform linearization control for the current command based on a present counter magnetic flux of the motor and a switching reference counter magnetic flux for the motor drive mode, and adjusts the voltage utilization rate control value such that a value of the current command is linearized in a section in which the linearization control is performed.Type: ApplicationFiled: April 14, 2023Publication date: March 28, 2024Applicants: Hyundai Motor Company, Kia CorporationInventors: Ho Rim CHOI, Seong Min KIM, Seon Mi LEE, Tae Il YOO, Seung Hyeon BIN
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Patent number: 11938827Abstract: The present disclosure relates to a system for controlling a motor of a vehicle for increasing control accuracy of the motor for driving the vehicle, and an object of the present disclosure is to provide a system for controlling a motor of a vehicle, which may accurately perform a motor control even when a battery voltage (i.e., motor voltage) applied to the motor upon the driving control of the motor is changed.Type: GrantFiled: July 13, 2022Date of Patent: March 26, 2024Assignees: Hyundai Motor Company, Kia CorporationInventors: Ho Sun Jang, Han Hee Park, Seong Min Kim, Ho Rim Choi, Seon Mi Lee, Tae Il Yoo, Seung Hyeon Bin
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Patent number: 11890955Abstract: A charging control method for an electric vehicle is configured to boost a charging voltage by using a motor and an inverter, and includes steps of determining whether a current imbalance control is normally operated based on currents input from the motor to three-phase inputs of the inverter during charging, determining whether a current sensor is deteriorated based on a result of an internal temperature sensing of the inverter when the current imbalance control is in a normal operation, and adjusting a scale of the current sensor to maintain the charging, when a deterioration of the current sensor is detected, as a result of the determination.Type: GrantFiled: September 27, 2021Date of Patent: February 6, 2024Assignees: Hyundai Motor Company, Kia CorporationInventors: Seung Hyeon Bin, Han Hee Park, Ho Sun Jang, Ho Rim Choi, Tae Il Yoo, Seong Min Kim
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Patent number: 11865929Abstract: An apparatus for controlling charging of an electric vehicle is configured to calculate a rotor torque expected to occur during charging based on an angle of a rotor provided in a driving motor before charging is performed by multiple input voltages, and allow charging to be performed after inducing the rotor torque to be less than a reference torque by moving the electric vehicle a specified distance to correct the rotor angle when the calculated rotor torque is greater than the reference torque so as to avoid deterioration or damage to a parking sprag. As a result, it is possible to prevent the parking sprag from being damaged by the rotor torque generated during charging so as to avoid the occurrence of an accident.Type: GrantFiled: November 17, 2021Date of Patent: January 9, 2024Assignees: Hyundai Motor Company, Kia CorporationInventors: Seung Hyeon Bin, Han Hee Park, Ho Sun Jang, Ho Rim Choi, Tae II Yoo, Seong Min Kim
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Patent number: 11855568Abstract: A motor driving device for driving a motor having multiple windings corresponding to multiple phases, respectively, may include: a first inverter including multiple first switching elements and connected to a first end of each of the multiple windings; a second inverter including multiple second switching elements and connected a second end of each of the multiple windings; a third switching element configured to connect/disconnect points, at which the number of turns of each of the multiple windings is partitioned based on a predetermined ratio, to/from each other; and a controller configured to control, based on the required output of the motor, an on/off state of the first switching elements to the third switching element.Type: GrantFiled: July 19, 2022Date of Patent: December 26, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Seung Hyeon Bin, Han Hee Park, Seong Min Kim, Ho Rim Choi, Seon Mi Lee, Sang Woo Park, Tae Il Yoo, Ho Sun Jang
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Patent number: 11845336Abstract: Disclosed is a powertrain for a hybrid vehicle including a first motor provided to be selectively connected to an engine, a second motor provided to be selectively connected to the first motor, and an output shaft provided to transfer the rotational force of the second motor to drive wheels of the vehicle.Type: GrantFiled: July 26, 2022Date of Patent: December 19, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Yeong Il Choi, Ho Rim Yang, Buhm Joo Suh, Hyuk Joon Kwon, Seung Wook Lee, Seok Joon Kim, Tal Chol Kim, Woul Sun Choi
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Patent number: 11784590Abstract: An automotive motor driving apparatus includes: a first motor including a plurality of wires; and a second motor including a plurality of wires including first ends connected to each other. The motor driving apparatus includes: a first inverter connected to first ends of the wires of the motor and including a plurality of first switching devices; a second inverter connected to second ends of the wires of the first motor and including a plurality of second switching devices; a third inverter connected to second ends of the wires of the second motor; and a controller configured to drive the second motor by performing pulse width control on the third switching devices when a problem occurs in the second inverter while driving the first motor in an open end winding mode in which pulse width modulation control is performed on both of the first switching devices and the second switching devices.Type: GrantFiled: March 17, 2022Date of Patent: October 10, 2023Assignees: Hyundai Motor Company, Kia CorporationInventors: Seung Hyeon Bin, Han Hee Park, Seong Min Kim, Ho Rim Choi, Seon Mi Lee, Sang Woo Park, Tae Il Yoo, Ho Sun Jang
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Publication number: 20230307150Abstract: Proposed is a reactor cooling system for cooling down a reactor damaged by a disaster accident and a reactor cooling method using same using contaminated water generated at a nuclear reactor as a cooling water source for cooling the nuclear reactor after the accident, thereby maximally suppressing discharge of the contaminated water into the sea. To this end, the reactor cooling system prosed above includes a nuclear power generation facility, a seawater storage tank, a seawater inflow flow path for introducing the seawater into the seawater storage tank and a seawater discharge flow path for discharging the seawater from the seawater storage tank to the sea, connected to one end and another end of the seawater storage tank, respectively, a heat exchanger installed in a water storage space of the seawater storage tank, a contaminated water supply flow path, and a contaminated water discharge flow path.Type: ApplicationFiled: July 12, 2021Publication date: September 28, 2023Applicant: KOREA HYDRO & NUCLEAR POWER CO., LTD.Inventors: Ho Rim MOON, Sang Hee KANG, Huiun HA
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Publication number: 20230290529Abstract: Proposed is a system for utilizing unused heat-exchange water of a passive auxiliary feedwater system, and a reactor cooling control method utilizing the unused heat-exchange water of the passive auxiliary feedwater system and, more specifically, a system for utilizing unused heat-exchange water of a passive auxiliary feedwater system, and a reactor cooling control method utilizing the unused heat-exchange water of the passive auxiliary feedwater system, which may allow the unused heat exchange water remaining after heat exchange in the passive condensation tank to be used as cooling water, thereby increasing the efficiency of reactor cooling and increasing the efficiency of initial response in an event of a reactor accident. To this end, the proposed system includes a passive condensation tank, a condenser, a steam supply line, and a condensate water recovery line and is characterized by that a residual water discharge flow path is arranged at the inside thereof.Type: ApplicationFiled: July 12, 2021Publication date: September 14, 2023Applicant: KOREA HYDRO & NUCLEAR POWER CO., LTD.Inventors: Ho Rim MOON, Sang Hee KANG, Huiun HA
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Publication number: 20230268089Abstract: Proposed is a passive condensation tank cooling system of a passive auxiliary feedwater system, the cooling system allowing a passive condensation tank to include an inner wall and an outer wall and a cooling means to be interposed between the inner wall and the outer wall, thereby suppressing the increase in the temperature of the heat exchange water in a condensation process in the passive condensation tank. To this end, proposed is the passive condensation tank cooling system of a passive auxiliary feedwater system, the cooling system including: a passive condensation tank having a water storage space to store heat-exchange water; and a condenser arranged to be immersed in the heat-exchange water in the passive condensation tank, wherein the passive condensation tank includes the outer and inner walls providing the water storage space and a cooling means interposed between the walls for absorbing heat of the heat-exchange water.Type: ApplicationFiled: July 13, 2021Publication date: August 24, 2023Applicant: KOREA HYDRO & NUCLEAR POWER CO., LTD.Inventors: Ho Rim MOON, Sang Hee KANG, Huiun HA
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Publication number: 20230223888Abstract: A motor driving device for driving a motor having multiple windings corresponding to multiple phases, respectively, may include: a first inverter including multiple first switching elements and connected to a first end of each of the multiple windings; a second inverter including multiple second switching elements and connected a second end of each of the multiple windings; a third switching element configured to connect/disconnect points, at which the number of turns of each of the multiple windings is partitioned based on a predetermined ratio, to/from each other; and a controller configured to control, based on the required output of the motor, an on/off state of the first switching elements to the third switching element.Type: ApplicationFiled: July 19, 2022Publication date: July 13, 2023Applicants: Hyundai Motor Company, Kia CorporationInventors: Seung Hyeon BIN, Han Hee PARK, Seong Min KIM, Ho Rim CHOI, Seon Mi LEE, Sang Woo PARK, Tae Il YOO, Ho Sun JANG
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Publication number: 20230157352Abstract: An embodiment of the present disclosure provides a smoking article including a smoking material portion which is wrapped with a smoking material wrapper, a filter portion which has an upstream end combined with the smoking material portion and is wrapped with a filter wrapper, and a tipping paper which wraps around the filter portion and at least a portion of the smoking material portion so that the smoking material portion and the filter portion are combined, wherein a design printing layer, an overprint (OP) coating layer, and a sweetener coating layer are disposed on a surface of the tipping paper.Type: ApplicationFiled: November 18, 2021Publication date: May 25, 2023Applicant: KT&G CORPORATIONInventors: Seung Hwan LEE, Ho Rim SONG, Man Seok SEO, Dong Kyun KO, Soo Ho KIM, In Beom SONG, Ki Jin AHN, Youn Keun OH, Hyung Joo CHOI
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Publication number: 20230157351Abstract: According to an embodiment of the present disclosure, there is provided a smoking article including a smoking material portion which is wrapped with a smoking material wrapper, a filter portion which has an upstream end combined with the smoking material portion and is wrapped with a filter wrapper, and a tipping paper which is wrapped around at least a partial region of the smoking material portion and the filter portion so that the smoking material portion and the filter portion are combined, wherein the tipping paper is coated with an overprint (OP) coating solution in which at least one functional material and an OP auxiliary agent which enhances the solubility of the at least one functional material are added to an OP ink.Type: ApplicationFiled: February 19, 2021Publication date: May 25, 2023Applicant: KT&G CORPORATIONInventors: Hae Geun SHIN, Dong Kyun KO, Youn Keun OH, Seung Hwan LEE, In Beom SONG, Ho Rim SONG, Hang Hyun JANG
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Patent number: 11655530Abstract: The present disclosure relates to a copper alloy tube for a heat exchanger having excellent breaking strength and a method of manufacturing the same, and more particularly, to a Cu alloy tube having excellent breaking strength and thermal conductivity and suitable for use in a heat exchanger, and a method of manufacturing the same.Type: GrantFiled: May 20, 2021Date of Patent: May 23, 2023Assignee: LS METAL CO., LTD.Inventors: Ho Rim Chung, Chang Ho Oh, Dae Kyong Kim, Do Young Chung, Do Youl Lee, Dong Jun Kwak
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Publication number: 20230133383Abstract: Disclosed is a powertrain for a hybrid vehicle including a first motor provided to be selectively connected to an engine, a second motor provided to be selectively connected to the first motor, and an output shaft provided to transfer the rotational force of the second motor to drive wheels of the vehicle.Type: ApplicationFiled: July 26, 2022Publication date: May 4, 2023Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Yeong Il Choi, Ho Rim Yang, Buhm Joo Suh, Hyuk Joon Kwon, Seung Wook Lee, Seok Joon Kim, Tal Chol Kim, Woul Sun Choi
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Publication number: 20230136497Abstract: Provided are a fragrance-containing sheet including LM-pectin for smoking articles, which includes moisture, thickening polysaccharide, low methoxyl pectin (LM-pectin), and fragrance, such that a smoking article including the fragrance-containing sheet gives off fragrance consistently during smoking.Type: ApplicationFiled: April 30, 2021Publication date: May 4, 2023Applicant: KT&G CORPORATIONInventors: Ick Joong KIM, Kyung Bin JUNG, Eun Mi JEOUNG, Ho Rim SONG
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Patent number: 11563400Abstract: An iron loss reduction control apparatus for motor permanent magnet overtemperature protection is provided. The apparatus includes: a permanent magnet temperature prediction unit configured to predict a temperature of a permanent magnet in a motor based on a driving state of the motor; a first iron loss reduction unit configured to adjust a switching frequency of a switching element in an inverter providing a driving power to the motor based on the temperature of the permanent magnet; and a second iron loss reduction unit configured to adjust a current command of the motor based on the temperature of the permanent magnet.Type: GrantFiled: July 29, 2021Date of Patent: January 24, 2023Assignees: Hyundai Motor Company, Kia CorporationInventors: Tae Il Yoo, Seong Min Kim, Seon Mi Lee, Ho Sun Jang, Ho Rim Choi, Han Hee Park, Seung Hyeon Bin
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Publication number: 20230017062Abstract: The present disclosure relates to a system for controlling a motor of a vehicle for increasing control accuracy of the motor for driving the vehicle, and an object of the present disclosure is to provide a system for controlling a motor of a vehicle, which may accurately perform a motor control even when a battery voltage (i.e., motor voltage) applied to the motor upon the driving control of the motor is changed.Type: ApplicationFiled: July 13, 2022Publication date: January 19, 2023Applicants: Hyundai Motor Company, Kia CorporationInventors: Ho Sun Jang, Han Hee Park, Seong Min Kim, Ho Rim Choi, Seon Mi Lee, Tae Il Yoo, Seung Hyeon Bin