Patents by Inventor Hoo Dam LEE
Hoo Dam 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).
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Patent number: 11913098Abstract: A self-healing alloy contains 5 to 11% by weight of molybdenum (Mo), iron (Fe) as a remainder, and unavoidable impurities. A method for manufacturing the self-healing alloy includes heat treating the alloy or preparing an alloy raw material powder and sintering, homogenizing, and cooling the alloy raw material powder.Type: GrantFiled: March 22, 2021Date of Patent: February 27, 2024Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, Kookmin University Industry Academy Cooperation FoundationInventors: Kyung Sik Choi, Hoo Dam Lee, Tae Gyu Lee, Byung Ho Min, Young Jun Kwon, Keun Won Lee, Yoon Jung Won, Ki Sub Cho
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Publication number: 20230412057Abstract: An axial flux motor structure uses a magnetic levitation force and a rotational force and includes a stator configured so that a coil unit is wound therearound, a permanent magnet unit configured to generate an air gap by generating a repulsive force with the coil unit, and a rotor configured to be fastened to the permanent magnet unit and coupled to a rotary shaft to rotate. A ratio of the number of slots of the stator and the number of poles of the rotor is 3:1.Type: ApplicationFiled: December 12, 2022Publication date: December 21, 2023Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Hyung Kwan Jang, Hoo Dam Lee, Gyeong Sik Choe, Byung Ho Min, Tae Gyu Lee
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Publication number: 20230370005Abstract: A motor includes a stator on which an armature coil is wound, a rotor disposed inside the stator, a superconducting field coil being wound thereon and, a controller configured to control the motor, in which the controller is configured to control an armature current supplied from an AC source to the armature coil and a field current supplied from a DC source to the field coil, and charge at least a certain ratio of the field coil before starting the motor.Type: ApplicationFiled: November 30, 2022Publication date: November 16, 2023Inventors: Hyung Kwan Jang, Hoo Dam Lee, Gyeong Sik Choe, Jun Hyeok Choi, Byung Ho Min, Tae Gyu Lee
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Publication number: 20230275501Abstract: A motor that is a wound field synchronous motor and includes a rotor and a stator. The rotor includes a plurality of winding portions configured to have a preset cross-section for generating a uniform effective air gap. The winding portions are spaced from each other a predetermined distance apart along a circumferential direction of the rotor. A field coil is wound around the plurality of winding portions.Type: ApplicationFiled: December 5, 2022Publication date: August 31, 2023Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Hyung Kwan Jang, Hoo Dam Lee, Gyeong Sik Choe, Byung Ho Min, Tae Gyu Lee
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Patent number: 11525171Abstract: A vehicle interior material made of a rose-gold-colored copper alloy may include 0.07 to 0.21 wt % of aluminum (Al), 0.06 to 0.19 wt % of magnesium (Mg), 0.17 to 0.52 wt % of zinc (Zn), and a balance of copper (Cu) and unavoidable impurities, wherein the sum of the aluminum (Al), the magnesium (Mg), and the zinc (Zn) is 0.5 to 1.5 at %.Type: GrantFiled: November 12, 2019Date of Patent: December 13, 2022Assignees: Hyundai Motor Company, Kia Motors Corporation, Industry-Academia Cooperation Group of Sejong UniversityInventors: Hoo-Dam Lee, Chang-Yeol Yoo, Jong-Kook Lee, Sung-Ho Yoon, Ye-Lim Kim, Yeon-Beom Jeong, Ki-Buem Kim
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Patent number: 11349057Abstract: A thermoelectric module includes an N-type thermoelectric material and a P-type thermoelectric material disposed so as to be spaced apart from the N-type thermoelectric material. A flexible electrode is electrically connected to the N-type thermoelectric material and the P-type thermoelectric material. The flexible electrode is configured to bend to match a curvature of an object, e.g., a steering wheel of a vehicle.Type: GrantFiled: November 12, 2019Date of Patent: May 31, 2022Assignees: Hyundai Motor Company, Kia Motors Corporation, Industry-Academic Cooperation FoundationInventors: Byung Wook Kim, Jin Woo Kwak, Hoo Dam Lee, Woo Ju Lee, Woo Chul Kim, Ji Yong Kim, Dong Keon Lee
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Publication number: 20220162729Abstract: A self-healing alloy contains 5 to 11% by weight of molybdenum (Mo), iron (Fe) as a remainder, and unavoidable impurities. A method for manufacturing the self-healing alloy includes heat treating the alloy or preparing an alloy raw material powder and sintering, homogenizing, and cooling the alloy raw material powder.Type: ApplicationFiled: March 22, 2021Publication date: May 26, 2022Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, Kookmin University Industry Academy Cooperation FoundationInventors: Kyung Sik Choi, Hoo Dam Lee, Tae Gyu Lee, Byung Ho Min, Young Jun Kwon, Keun Won Lee, Yoon Jung Won, Ki Sub Cho
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Patent number: 11322673Abstract: A thermoelectric module includes a flexible film with an insulation characteristic, the film having a shape that is longer in a lengthwise direction than in a width direction, a plurality of n-type thermoelectric elements and a plurality of p-type thermoelectric elements alternately arranged on one surface of the film in the lengthwise direction of the film, and first electrodes and second electrodes that alternately connect the plurality of n-type thermoelectric elements and the plurality of p-type thermoelectric elements at one side and an opposite side with respect to the width direction of the film to electrically connect the plurality of n-type thermoelectric elements and the plurality of p-type thermoelectric elements in series. One lateral end and an opposite lateral end of the film are bent with the plurality of n-type thermoelectric elements, the plurality of p-type thermoelectric elements, the first electrodes, and the second electrodes attached to the film.Type: GrantFiled: February 5, 2019Date of Patent: May 3, 2022Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Hoo Dam Lee, Byung Wook Kim, Woo Ju Lee, Jin Woo Kwak
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Patent number: 11316091Abstract: A thermoelectric module, a frame for the thermoelectric module, and a vehicle including the thermoelectric module is provided. The thermoelectric module includes a frame alternately bent toward a hot side on which a heat source is located and a cool side on which a cooling medium is located, to have a plurality of hot-side end portions in contact with the heat source, a plurality of cool-side end portions in contact with the cooling medium, and a plurality of thermoelectric element installation portions connecting the plurality of hot-side end portions and the plurality of cool-side end portions, a plurality of n-type and p-type thermoelectric elements arranged on the thermoelectric element installation portions, and a plurality of first electrodes and second electrodes that electrically connect, in series, the plurality of n-type and p-type thermoelectric elements arranged on each of the thermoelectric element installation portions.Type: GrantFiled: November 9, 2018Date of Patent: April 26, 2022Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Byung-Wook Kim, Hoo Dam Lee, Jin Woo Kwak
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Publication number: 20220112580Abstract: A high-entropy alloy with a low specific gravity includes Fe: 16.7 to 25 at %, Cr: 10.5 to 20.6 at %, Al: 12.7 to 18 at %, remaining Ni, and impurities. The high-entropy alloy includes microstructures of a body-centered cubic (BCC) and a face-centered cubic (FCC) formed together, wherein a fraction of the FCC of the high-entropy alloy is 50 to 80%.Type: ApplicationFiled: May 6, 2021Publication date: April 14, 2022Inventors: Hoo Dam Lee, Kyung Sik Choi, Tae Gyu Lee, Byung Ho Min
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Patent number: 11217740Abstract: A thermoelectric module includes: unit thermoelectric materials including N-type thermoelectric materials and P-type thermoelectric materials and arranged on one surface of a first substrate; first electrodes each electrically connected to one end of a respective one of the N-type thermoelectric materials or to one end of a respective one of the P-type thermoelectric materials; second electrodes each disposed to be spaced apart from the other end of the respective one of the N-type thermoelectric materials and the other end of the respective one of the P-type thermoelectric materials by a predetermined gap; and a second substrate supporting the second electrodes, in which each of the second electrodes is electrically connected to the second end of the respective one of the N-type thermoelectric materials and the second end of the respective one of the P-type thermoelectric materials when a pressing force is applied to the second substrate.Type: GrantFiled: October 29, 2019Date of Patent: January 4, 2022Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Woo Ju Lee, Byung Wook Kim, Hoo Dam Lee, Jin Woo Kwak
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Patent number: 11165008Abstract: A thermoelectric module includes a first thermoelectric material, a second thermoelectric material spaced apart from the first thermoelectric material, and a stretching element selectively connected between the first thermoelectric material and the second thermoelectric material, wherein the stretching element is stretchable.Type: GrantFiled: April 24, 2020Date of Patent: November 2, 2021Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Min Jae Lee, Jin Woo Kwak, Woo Ju Lee, Byung Wook Kim, Hoo Dam Lee, Na Kyong Yun
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Patent number: 11143079Abstract: A thermoelectric generator for a vehicle utilizing heat of exhaust gas discharged from an engine of the vehicle includes a heat exchange unit, through which a coolant circulates, a thermoelectric generation unit for converting thermal energy of exhaust gas into electrical energy, a first flow passage for guiding the exhaust gas to pass through the heat exchange unit, a second flow passage for guiding the exhaust gas to pass through the thermoelectric generation unit, a third flow passage for guiding the exhaust gas to bypass the heat exchange unit and the thermoelectric generation unit without passing therethrough, a first valve for opening or closing the first flow passage, a second valve for selectively opening or closing the second flow passage and the third flow passage, and a driving unit for operating the first valve and the second valve by a single power source.Type: GrantFiled: October 2, 2019Date of Patent: October 12, 2021Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Ho Chan An, Byung Wook Kim, Hoo Dam Lee, Jin Woo Kwak, Kwang Min Choi, Jong Ho Seon
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Patent number: 11133449Abstract: A thermoelectric material includes a lower part from a bottom surface of the thermoelectric material to a point of 30% of an average thickness of the thermoelectric material and having an average content of carbon atoms of 40 at% or more in the thermoelectric material, and an upper part corresponding to a remaining 70% of the average thickness of the thermoelectric material and having an average content of carbon atoms of 20 at% or less in the thermoelectric material.Type: GrantFiled: September 28, 2020Date of Patent: September 28, 2021Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Hoo Dam Lee, Byung Wook Kim, Jin Woo Kwak, Min Jae Lee, Woo Ju Lee, Yoon Jin Kim, Young Sun Kim
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Publication number: 20210175403Abstract: A thermoelectric module is disclosed. The thermoelectric module includes a first thermoelectric material unit, a second thermoelectric material unit connected in series to the first thermoelectric material unit, and a bypass circuit connected in parallel to the first thermoelectric material unit and the second thermoelectric material unit and configured to selectively divert current that is applied to the first thermoelectric material unit to the second thermoelectric material unit, thereby obtaining advantageous effects of improved stability and reliability.Type: ApplicationFiled: February 26, 2020Publication date: June 10, 2021Inventors: Woo Ju Lee, Min Jae Lee, Hoo Dam Lee, Byung Wook Kim
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Publication number: 20210175404Abstract: A thermoelectric module includes a first thermoelectric material, a second thermoelectric material spaced apart from the first thermoelectric material, and a stretching element selectively connected between the first thermoelectric material and the second thermoelectric material, wherein the stretching element is stretchable.Type: ApplicationFiled: April 24, 2020Publication date: June 10, 2021Inventors: Min Jae Lee, Jin Woo Kwak, Woo Ju Lee, Byung Wook Kim, Hoo Dam Lee, Na Kyong Yun
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Publication number: 20210175405Abstract: A thermoelectric material includes a lower part from a bottom surface of the thermoelectric material to a point of 30% of an average thickness of the thermoelectric material and having an average content of carbon atoms of 40 at % or more in the thermoelectric material, and an upper part corresponding to a remaining 70% of the average thickness of the thermoelectric material and having an average content of carbon atoms of 20 at % or less in the thermoelectric material.Type: ApplicationFiled: September 28, 2020Publication date: June 10, 2021Inventors: Hoo Dam Lee, Byung Wook Kim, Jin Woo Kwak, Min Jae Lee, Woo Ju Lee, Yoon Jin Kim, Young Sun Kim
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Patent number: 11008920Abstract: A thermoelectric conversion module may include a plurality of n-type thermoelectric conversion elements and a plurality of p-type thermoelectric conversion elements alternating with one another, a plurality of first electrodes and a plurality of second electrodes that alternately connect the plurality of alternating n-type and p-type thermoelectric conversion elements at hot sides and cool sides, and a plurality of case electrodes, each of which selectively connects the first electrodes adjacent to each other, among the plurality of first electrodes. The first electrodes and the case electrodes are configured to be movable relative to each other so that the plurality of first electrodes are electrically connected through the plurality of case electrodes or electrical connections between the plurality of first electrodes through the plurality of case electrodes are disabled according to a relative movement of the plurality of first electrodes and the plurality of case electrodes.Type: GrantFiled: November 14, 2018Date of Patent: May 18, 2021Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Jin Woo Kwak, Kyung Wook Choi, Byung Wook Kim, Hoo Dam Lee
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Patent number: 10971671Abstract: A thermoelectric conversion module may include a plurality of n type thermoelectric conversion materials and a plurality of p type thermoelectric conversion materials that are disposed alternately, and a plurality of electrodes that connects the plurality of thermoelectric conversion material disposed alternately on one side and on an opposite side alternately, wherein the plurality of electrodes includes a first electrode configured to electrically connect the n type thermoelectric conversion material and the p type thermoelectric conversion material by penetrating the n type thermoelectric conversion material and the p type thermoelectric conversion material to transfer heat obtained from a heat source to the plurality of thermoelectric conversion materials.Type: GrantFiled: May 5, 2020Date of Patent: April 6, 2021Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Jin Woo Kwak, Kwang Min Choi, Byung-Wook Kim, Hoo Dam Lee, Ho Chan An, Jong Ho Seon
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Patent number: 10930835Abstract: The present disclosure relates to a thermoelectric module sheet that includes a base substrate, a plurality of thermoelectric elements laminated on a surface of the base substrate, and a plurality of electrodes, each of which is laminated on at least one surface of at least one of the plurality of thermoelectric elements to electrically connect the plurality of thermoelectric elements by a predetermined connecting method.Type: GrantFiled: April 19, 2018Date of Patent: February 23, 2021Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Jin Woo Kwak, Byung Wook Kim, Su Jung Noh, Hoo Dam Lee