Patents by Inventor Sung Woo Hwang
Sung Woo Hwang 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: 12223844Abstract: A method of managing identification information of a drone may include: generating an access message, wherein the access message includes an identifier for the ground identification device, which is a transmitter, an identifier for a receiver, an execution function command for classifying and defining a function to be performed, a serial number for transmitting information sequentially and retransmitting the information when transmission fails, data size information for informing a size of data to be transmitted, and transmission data; and transmitting the access message to an integrated management system corresponding to the identifier for the receiver.Type: GrantFiled: September 15, 2022Date of Patent: February 11, 2025Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Su Na Choi, Kyu Min Kang, Jae Cheol Park, Jin Hyung Oh, Dong Woo Lim, Sung Hyun Hwang
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Publication number: 20250040594Abstract: A cigarette filter which includes lyocell tow made of a plurality of lyocell fibers and a binder configured to bond the lyocell fibers to each other is provided. The cigarette filter according to one embodiment of the present disclosure reduces each of tar and nicotine, which are delivered through cigarette smoke, by 70% to 95%. The cigarette filter according to one embodiment of the present disclosure has a resistance to draw of 80 mmWG to 200 mmWG. The cigarette filter according to one embodiment of the present disclosure is filled with the lyocell tow at a packing density of 0.2 g/mL to 0.6 g/mL. The cigarette filter according to one embodiment of the present disclosure addresses basic material-related problems, such as low hardness, of the lyocell tow and, further, has excellent filtration functionality as a filter.Type: ApplicationFiled: February 3, 2023Publication date: February 6, 2025Applicants: KT&G CORPORATION, KOLON INDUSTRIES, INC.Inventors: Sung Hoon HA, Kyeng Bae MA, Jin Chul YANG, Jun Hui LEE, Bong Su CHEONG, Seung Dong SEO, Jeong Hun LEE, Jong Cheol JEONG, Sang Woo JIN, Yeong Nam HWANG
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Publication number: 20250040592Abstract: The present disclosure provides a smoking article filter which includes lyocell tow including lyocell fibers, a binder solution, and filter wrapping paper, and has 90% or higher biodegradation within 6 months according to the American Society for Testing and Materials (ASTM) D6691 under marine conditions at 30° C., and a smoking article including the smoking article filter.Type: ApplicationFiled: June 7, 2023Publication date: February 6, 2025Applicants: KT&G CORPORATION, KOLON INDUSTRIES, INC.Inventors: Sung Hoon HA, Jin Chul YANG, Kyeng Bae MA, Bong Su CHEONG, Seung Dong SEO, Jeong Hun LEE, Jong Cheol JEONG, Sang Woo JIN, Yeong Nam HWANG
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Patent number: 12211630Abstract: Provided are stretchable electronics and a method for manufacturing the same. The stretchable electronics may include a substrate, a plurality of electronic elements disposed to be spaced apart from each other on the substrate, and a wire structure disposed on the substrate to connect the plurality of electronic elements to each other. The wire structure may include an insulator extending from one of the electronic elements to the other of the adjacent electronic elements and a metal wire configured to cover a top surface and side surfaces of the insulator. The insulator may include at least one bent part in a plan view.Type: GrantFiled: August 16, 2022Date of Patent: January 28, 2025Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Ji Hun Choi, Chan Woo Park, Ji-Young Oh, Seung Youl Kang, Yong Hae Kim, Hee-ok Kim, Jeho Na, Jaehyun Moon, Jong-Heon Yang, Himchan Oh, Seong-Mok Cho, Sung Haeng Cho, Jae-Eun Pi, Chi-Sun Hwang
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Publication number: 20250026002Abstract: A muscular strength assisting apparatus includes a muscular strength assisting portion that assists a user's muscular strength and a first connecting link including one side connected to one side of the muscular strength assisting portion and an opposite side rotatable relative to a shoulder of the user about a first rotation axis. The muscular strength assisting portion includes an upper arm module that assists muscular strength of an upper arm of the user and a link assembly including one side connected to one side of the upper arm module to be rotatable about a second rotation axis non-parallel to the first rotation axis and an opposite side disposed adjacent to a portion of a body of the user to be supported on the user.Type: ApplicationFiled: June 5, 2024Publication date: January 23, 2025Applicants: Hyundai Motor Company, Kia CorporationInventors: Kyu Jung KIM, Sung Woo Park, Hyun Seop Lim, Ju Young Yoon, Beom Su Kim, Min Woong Jeung, Seong Taek Hwang, Hyeon Jeong An, Ho Jun Kim, Moon Ki Jung, Soo Kyung Kang, Dong Jin Hyun, Hyo Joong Kim
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Patent number: 12206301Abstract: A hybrid motor includes a rotor, a radial stator facing the circumference of the rotor, and first and second axial stators facing both sides of the rotor. The rotor includes conduction bars arranged in radial and axial directions, corresponding to the radial stator and the axial stators, and end-rings electrically connecting the conduction bars.Type: GrantFiled: June 23, 2022Date of Patent: January 21, 2025Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITYInventors: Jin Ho Choi, Sung Woo Hwang, Myung Seop Lim, Jae Hyun Kim
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Patent number: 12206286Abstract: A rotor for an induction motor includes a rotor core having a hollow portion on a central portion wherein a shaft is coupled to the rotor core by being inserted through the hollow portion, a plurality of slots radially formed in the rotor core around a central axis of the shaft, a plurality of conductor bars coupled to the plurality of slots, and an end ring electrically connecting the plurality of conductor bars to each other, wherein the rotor core is thermally treated above Curie temperature to form a predetermined pattern on an outer circumference of the rotor core.Type: GrantFiled: July 6, 2022Date of Patent: January 21, 2025Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)Inventors: Jin Ho Choi, Sang Jin Park, Jong Seok Lee, Ki O Kim, Sung Woo Hwang, Myung Seop Lim, Jae Hyun Kim
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Publication number: 20250015694Abstract: A hybrid motor includes an induction motor and a synchronous motor combined. The hybrid motor includes a hollow rotor that includes conductor bars configured to form an annular shape at a position spaced apart from a rotation axis by a predetermined first distance and a synchronous motor equivalent that is disposed in an annular shape at a position spaced apart from the rotation axis by a predetermined second distance, an induction stator that includes induction stator windings positioned on a first radial side of the hollow rotor, and a synchronous stator that includes synchronous stator windings positioned on a second radial side of the hollow rotor.Type: ApplicationFiled: September 24, 2024Publication date: January 9, 2025Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)Inventors: Jin Ho Choi, Jong Seok Lee, Jin Cheol Park, Sung Woo Hwang, Myung Seop Lim, Jae Hyun Kim
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Patent number: 12184156Abstract: A rotor cooling structure includes a turbine blower structure provided on first and second sides of a rotor for an induction motor; a refrigerant passage including a plurality of refrigerant passage inlet openings provided on a bottom surface of the turbine blower structure and a plurality of refrigerant passage outlet openings provided at an axial center of the rotor, which fluidically communicates with the refrigerant passage inlet openings and the refrigerant passage outlet openings and is provided along conductor bars of the rotor; and a plurality of micro groove patterns that hold the refrigerant passage outlet openings and are provided on both axial sides of the rotor on an external periphery of the rotor.Type: GrantFiled: June 21, 2022Date of Patent: December 31, 2024Assignees: Hyundai Motor Company, Kia Corporation, IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)Inventors: Jin Ho Choi, Jong Seok Lee, Sang Jin Park, Sung Woo Hwang, Jae Hyun Kim, Myung Seop Lim
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Patent number: 11876413Abstract: The present disclosure in some embodiment provides a hybrid induction motor including dual stators. According to at least one embodiment, the present disclosure provides a hybrid induction motor including a hollow rotor including a single conductor bar which is annularly disposed and spaced apart from a rotation axis by a predetermined distance, an outer stator having an outer stator winding disposed in parallel with an outer circumferential surface of the hollow rotor, and an inner stator having an inner stator winding disposed in parallel with an inner circumferential surface of the hollow rotor.Type: GrantFiled: February 18, 2022Date of Patent: January 16, 2024Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)Inventors: Myung Seop Lim, Jae Hyun Kim, Sung Woo Hwang, Jin Cheol Park, Jin Ho Choi
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Patent number: 11848598Abstract: An end coil cooling structure includes: a shielding member which is disposed within a motor housing, surrounds an area where an end coil is disposed, and forms an enclosed space; and a plurality of heat conducting particles disposed to fill the enclosed space and to come into contact with the end coil.Type: GrantFiled: June 27, 2022Date of Patent: December 19, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)Inventors: Jin Ho Choi, Sang Jin Park, Soo Hwan Park, Kyoung Soo Cha, Jae Hyun Kim, Myung Seop Lim, Sung Woo Hwang
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Patent number: 11757383Abstract: An apparatus for controlling a variable magnetic flux motor, wherein the variable magnetic flux motor includes a rotor in which a permanent magnet and a conductor bar are arranged, includes an inverter configured to apply a stator current to a stator coil of the motor, and a control unit configured to control a torque of the conductor bar and magnetize or demagnetize the permanent magnet by controlling the stator current through the inverter.Type: GrantFiled: December 7, 2021Date of Patent: September 12, 2023Assignees: Hyundai Motor Company, Kia Corporation, IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)Inventors: Myung Seop Lim, Jae Hyun Kim, Sung Woo Hwang, Soo Hwan Park, Dong Min Kim, Sang Jin Park, Jong Seok Lee, Jin Ho Choi
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Publication number: 20230179034Abstract: A stator winding structure includes a stator core formed from a stack of a plurality of steel sheets, the stator core comprising a plurality of slots that are circularly arranged in multiple rows around an axis of rotation; a plurality of conductor bars positioned in the plurality of slots; a plurality of first barrier ribs electrically shielding between the plurality of conductor bars contiguous to each other in a radial direction; and a plurality of second barrier ribs electrically shielding between the plurality of conductor bars contiguous to each other in a circumferential direction; and a pair of end-turn members disposed at axial ends of the stator core and coupled to the conductor bars; wherein the plurality of conductor bars are arranged within the stator core by a casting process including die casting.Type: ApplicationFiled: June 27, 2022Publication date: June 8, 2023Inventors: Jin Ho Choi, Jae Hyun Kim, Soo Hwan Park, Myung Seop Lim, Sung Woo Hwang
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Publication number: 20230170777Abstract: A rotor for an induction motor is provide. The rotor includes a core built with stacks of a plurality of steel sheets and includes a plurality of rotor slots that are radially arranged. The rotor further includes a plurality of conductor bars contained in the plurality of rotor slots, respectively, and end-rings attached to both longitudinal ends of each of the plurality of conductor bars. The rotor further includes at least one slit formed inward from an outer periphery of the rotor along a perimeter of the rotor, wherein the slit has a depth deep enough to form a groove portion in at least some region of each of the plurality of conductor bars.Type: ApplicationFiled: August 17, 2022Publication date: June 1, 2023Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)Inventors: Jin Ho Choi, Jong Seok Lee, Sung Woo Hwang, Myung Seop Lim, Jae Hyun Kim
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Publication number: 20230170764Abstract: An end coil cooling structure includes: a shielding member which is disposed within a motor housing, surrounds an area where an end coil is disposed, and forms an enclosed space; and a plurality of heat conducting particles disposed to fill the enclosed space and to come into contact with the end coil.Type: ApplicationFiled: June 27, 2022Publication date: June 1, 2023Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)Inventors: Jin Ho Choi, Sang Jin Park, Soo Hwan Park, Kyoung Soo Cha, Jae Hyun Kim, Myung Seop Lim, Sung Woo Hwang
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Publication number: 20230170762Abstract: A rotor cooling structure includes a turbine blower structure provided on first and second sides of a rotor for an induction motor; a refrigerant passage including a plurality of refrigerant passage inlet openings provided on a bottom surface of the turbine blower structure and a plurality of refrigerant passage outlet openings provided at an axial center of the rotor, which fluidically communicates with the refrigerant passage inlet openings and the refrigerant passage outlet openings and is provided along conductor bars of the rotor; and a plurality of micro groove patterns that hold the refrigerant passage outlet openings and are provided on both axial sides of the rotor on an external periphery of the rotor.Type: ApplicationFiled: June 21, 2022Publication date: June 1, 2023Applicants: Hyundai Motor Company, Kia Corporation, IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)Inventors: Jin Ho CHOI, Jong Seok LEE, Sang Jin PARK, Sung Woo HWANG, Jae Hyun KIM, Myung Seop LIM
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Publication number: 20230132331Abstract: A rotor for an induction motor includes a rotor core having a hollow portion on a central portion wherein a shaft is coupled to the rotor core by being inserted through the hollow portion, a plurality of slots radially formed in the rotor core around a central axis of the shaft, a plurality of conductor bars coupled to the plurality of slots, and an end ring electrically connecting the plurality of conductor bars to each other, wherein the rotor core is thermally treated above Curie temperature to form a predetermined pattern on an outer circumference of the rotor core.Type: ApplicationFiled: July 6, 2022Publication date: April 27, 2023Inventors: Jin Ho Choi, Sang Jin Park, Jong Seok Lee, Ki O Kim, Sung Woo Hwang, Myung Seop Lim, Jae Hyun Kim
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Publication number: 20230115323Abstract: A coating composition having excellent non-combustibility and weather resistance. The coating composition may include a silicone modified polyester resin, a curing agent, a pigment, and a flame retardant, wherein the silicone modified polyester resin is prepared by condensation polymerization of a silicone intermediate, an alcohol monomer, and an acid monomer, the alcohol monomer includes a trifunctional or lower aliphatic alcohol and a tetrafunctional aliphatic alcohol in a weight ratio of 80 to 60:20 to 40, the acid monomer includes an aromatic acid and an aliphatic acid in a weight ratio of 20 to 40:80 to 60, and the mixing ratio of the alcohol monomer and the acid monomer is 1.0 to 2.Type: ApplicationFiled: July 10, 2022Publication date: April 13, 2023Inventors: Jong Hun JIN, Rag Hee KIM, Jong Chan PARK, Seung Min HONG, Jong Yun PARK, Sung Woo HWANG, Hyuk JEONG
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Publication number: 20230083131Abstract: A hybrid motor includes an induction motor and a synchronous motor combined. The hybrid motor includes a hollow rotor that includes conductor bars configured to form an annular shape at a position spaced apart from a rotation axis by a predetermined first distance and a synchronous motor equivalent that is disposed in an annular shape at a position spaced apart from the rotation axis by a predetermined second distance, an induction stator that includes induction stator windings positioned on a first radial side of the hollow rotor, and a synchronous stator that includes synchronous stator windings positioned on a second radial side of the hollow rotor.Type: ApplicationFiled: June 27, 2022Publication date: March 16, 2023Inventors: Jin Ho Choi, Jong Seok Lee, Jin Cheol Park, Sung Woo Hwang, Myung Seop Lim, Jae Hyun Kim
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Publication number: 20230024385Abstract: The present disclosure in some embodiment provides a hybrid induction motor including dual stators. According to at least one embodiment, the present disclosure provides a hybrid induction motor including a hollow rotor including a single conductor bar which is annularly disposed and spaced apart from a rotation axis by a predetermined distance, an outer stator having an outer stator winding disposed in parallel with an outer circumferential surface of the hollow rotor, and an inner stator having an inner stator winding disposed in parallel with an inner circumferential surface of the hollow rotor.Type: ApplicationFiled: February 18, 2022Publication date: January 26, 2023Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation, IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)Inventors: Myung Seop LIM, Jae Hyun KIM, Sung Woo HWANG, Jin Cheol Park, Jin Ho Choi