Patents by Inventor Sun Yoo
Sun Yoo 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: 12283709Abstract: A venting device for a secondary battery, such as a pouch-shaped secondary battery includes a lower vent portion positionable within a receiving portion of a battery case, an upper vent portion positionable outside of the battery case and communicating with a cavity of the lower vent portion, and a wing portion positionable along a sealed portion of the battery case and encircling an outer perimeter of the upper vent portion. The venting device includes a discharge portion communicating with the upper vent portion, in order to allow gas to pass from the upper vent portion through the discharge portion, and a shaft unit located in the cavity of the lower vent portion, wherein the shaft unit includes an elastic portion.Type: GrantFiled: January 25, 2022Date of Patent: April 22, 2025Assignee: LG Energy Solution, Ltd.Inventors: In Sun Yoo, Do Hyeon Kim, Young Soo Oh
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Patent number: 12283721Abstract: Disclosed herein is a battery cell with improved durability and safety for the swelling phenomenon. The battery cell can include an electrode assembly having an electrode tab, an electrode lead electrically connected to the electrode tab, a pouch case configured to accommodate the electrode assembly therein and having at least one perforation hole formed in a portion thereof, and a lead film configured to have a portion interposed between the electrode lead and an inner surface of the pouch case and having at least one insert protrusion formed on an outer surface thereof to be inserted into the perforation hole.Type: GrantFiled: February 10, 2022Date of Patent: April 22, 2025Assignee: LG Energy Solution, Ltd.Inventors: In-Sun Yoo, Sang-Ho Park, Do-Hyeon Kim, Young-Soo Oh
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Patent number: 12234005Abstract: Provided is a system for controlling an RPM of a propeller and a rotor of a flight vehicle having multiple power units including: a collective pitch angle command generating unit generating a collective pitch angle command upon receiving a thrust control command from a pilot or an automatic controller; a disturbance factor compensating unit for generating an RPM compensation electronic speed control (ESC) command for compensating for an RPM error, and an electronic speed adjustment command generating unit generating a final ESC command upon receiving a collective command input or derived in the process of generating the collective pitch angle command by the collective pitch angle command generating unit and the RPM compensation ESC command generated by the disturbance factor compensating unit. RPMs of motors of a flight vehicle having a plurality of propellers and rotors may be maintained to be the same.Type: GrantFiled: November 26, 2020Date of Patent: February 25, 2025Assignee: KOREA AEROSPACE RESEARCH INSTITUTEInventors: Youngshin Kang, Am Cho, Bumjin Park, Seongwook Choi, Sam Ok Koo, Chang Sun Yoo, Yushin Kim
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Patent number: 12226055Abstract: An air circulation system includes at least one flow generator to generate an airflow, an air inlet, a first air outlet and a second air outlet each for exhausting airflow, an air conditioning device to air condition the exhausted airflow, and a controller. The controller is configured to position at least one of the first and second air outlets to be vertically separated from each other and to operate the flow generator to provide the exhaust airflow to the first and second air outlets. The exhaust airflow from the first and second air outlets are of different temperatures.Type: GrantFiled: September 8, 2020Date of Patent: February 18, 2025Assignee: LG ELECTRONICS INC.Inventors: Hyun sun Yoo, Seung Yup Lee, Sang Yoon Lee, Byung Soo Oh, Hyun-Joo Jeon, So Ra Cheon, Ji sun Yoon
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Patent number: 12211995Abstract: A negative electrode active material for a secondary battery, including lithium titanium-based composite particles comprising: a lithium titanium oxide represented by LixTiyOz, wherein x, y and z satisfy 0.1?x?4, 1?y?5 and 2?z?12; Zr doped into the lithium titanium oxide; and an aluminum and sulfur containing compound coated on a surface of the lithium titanium oxide. The lithium titanium-based composite particles include at least one of primary particles or secondary particles formed by agglomeration of the primary particles, and an average particle size of the primary particles of the lithium titanium-based composite particles is in a range of 550 nm to 1.1 ?m.Type: GrantFiled: March 6, 2020Date of Patent: January 28, 2025Assignee: LG ENERGY SOLUTION, LTD.Inventors: Sung-Bin Park, Bo-Na Kim, Dae-Hong Kim, In-Sun Yoo, Wang-Mo Jung
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Publication number: 20250023152Abstract: Described is a cylindrical secondary battery in which an inner surface of a can is coated to insulate an electrode assembly and a can from each other and to improve heat resistance of the can. The cylindrical secondary battery may include an electrode assembly, a can in which the electrode assembly is accommodated and of which one end is opened so as to be electrically connected to the electrode assembly, a cap plate electrically connected to the electrode assembly, and a rivet terminal insulated from the can and the cap plate, which may be configured to seal one end of the can and which may be insulated from the can. A first coating layer may be provided on at least a portion of an inner surface of the can.Type: ApplicationFiled: June 6, 2024Publication date: January 16, 2025Applicant: Samsung SDI Co., Ltd.Inventors: Gun Gue Park, Woo Tae Jun, Gwan Hyeon Yu, Hyun Ki Jung, Sung Gwi Ko, Yoon Sun Yoo, Myung Seob Kim, Mun Sung Kim
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Publication number: 20250007114Abstract: A secondary battery includes a case having a cylindrical shape, an electrode assembly accommodated in the case and including first tabs protruding in a first direction and second tabs protruding in the first direction, a first current collector plate accommodated in the case and connected to the first tabs, a second current collector plate configured to connect the second tabs to the case, a rivet terminal connected to the first current collector plate and passing through the case, and an insulating member in contact with a perimeter of each of the electrode assembly, the first current collector plate, and the second current collector plate.Type: ApplicationFiled: April 16, 2024Publication date: January 2, 2025Inventors: Gwan Hyeon YU, Hyun Ki JUNG, Myung Seob KIM, Mun Sung KIM, Dong Sub LEE, Yoon Sun YOO, Woo Tae JUN
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Publication number: 20250007112Abstract: The present disclosure provides a secondary battery including a case having a cylindrical shape, an electrode assembly in the case, and including a first tab protruding in a first direction at a center portion, and a second tab protruding in the first direction at a perimeter, a first current collector plate in the case and electrically connected to the first tab, a second current collector plate electrically connecting the second tab to the case, and a rivet terminal electrically connected to the first current collector plate, and passing through the case.Type: ApplicationFiled: March 25, 2024Publication date: January 2, 2025Inventors: Gwan Hyeon YU, Hyun Ki JUNG, Myung Seob KIM, Mun Sung KIM, Dong Sub LEE, Yoon Sun YOO, Woo Tae JUN
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Publication number: 20240413497Abstract: A cylindrical secondary battery includes an electrode assembly; a cylindrical can accommodating the electrode assembly; and a terminal portion including a rivet terminal coupled to one side in the longitudinal direction of the can and electrically connected to the electrode assembly and at least one insulator between the can and the rivet terminal to insulate the can and the rivet terminal from each other. The battery also includes a rotation preventing portion on the can and/or the terminal portion. Since a structure for preventing rotation of the rivet terminal is provided on the upper surface of the can or the rivet head or the main body to which the rivet terminal is fastened, the rivet terminal may not rotate due to an external force or vibration. Therefore, the stability and reliability of the secondary battery can be improved.Type: ApplicationFiled: March 13, 2024Publication date: December 12, 2024Inventors: Hyun Ki JUNG, Gun Gue PARK, Sung Gwi KO, Gwan Hyeon YU, Myung Seob KIM, Yoon Sun YOO, Woo Tae JUN, Ho Jae LEE, Mun Sung KIM
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Publication number: 20240413501Abstract: A cylindrical secondary battery includes: an electrode assembly; a cylindrical can accommodating the electrode assembly and having a terminal hole at a first end; and a terminal portion coupled to the first end of the can and electrically connected to the electrode assembly, and the can further includes a coupling groove and a coupling protrusion adjacent to the terminal hole on a portion through which the terminal hole passes. In the cylindrical secondary battery according to embodiments of the present disclosure, a sealing force of the cylindrical secondary battery may be increased by providing a groove and a protrusion in the can that is a region to which a rivet terminal is coupled.Type: ApplicationFiled: April 25, 2024Publication date: December 12, 2024Inventors: Sung Gwi KO, Gun Gue PARK, Gwan Hyeon YU, Woo Tae JUN, Yoon Sun YOO, Myung Seob KIM, Hyun Ki JUNG
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Publication number: 20240413503Abstract: A secondary battery includes an electrode assembly including a first electrode plate, a second electrode plate, and a separator interposed therebetween, a can accommodating the electrode assembly, and a terminal portion including a rivet terminal coupled to one side of the can in a longitudinal direction and electrically connected to the first electrode plate, and an insulator between the can and the rivet terminal to insulate the can from the rivet terminal, and having a stepped structure in an area contacting the rivet terminal. By reducing or minimizing a height difference between the positive electrode terminal and the insulator, shape deformation of the electrode assembly can be reduced or prevented during the manufacturing process. By reducing the thickness and weight of the insulator, the size of the electrode assembly can be increased, and the capacity of the secondary battery can be increased.Type: ApplicationFiled: April 1, 2024Publication date: December 12, 2024Inventors: Hyun Ki JUNG, Gun Gue PARK, Sung Gwi KO, Gwan Hyeon YU, Myung Seob KIM, Yoon Sun YOO, Woo Tae JUN, Ho Jae LEE, Mun Sung KIM
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Patent number: 12165199Abstract: According to one aspect of the present invention, a group account service providing server capable of converting a private account into a group account in real time through a terminal of the host of a comprises: an account management unit configured to convert a first account into a group account when a group account conversion request for the first account of a host of a group is generated; a transaction ledger management unit configured to record change information in a transaction ledger for the group account when the change information including at least one of a transaction occurrence event and an information occurrence event is generated for the group account; a virtual ledger management unit configured to generate a virtual ledger to be mapped to the transaction ledger when the first account is changed to the group account.Type: GrantFiled: September 21, 2023Date of Patent: December 10, 2024Assignee: KAKAOBANK CORP.Inventors: Byeoung Su Lee, Hyung Keun Song, Jin Woo Kim, Eun Hyi Kho, Jung Hee Ko, Jong Hwan Oh, Geun Won Mo, Sung Jun Kim, Jong Sun Yoo, Yong Jun Kim, Tae Wan Kim, Seon Beom Lee, Jin Han
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Patent number: 12165198Abstract: According to one aspect of the present invention, a group account service providing server capable of converting a private account into a group account in real time through a terminal of the host of a comprises: an account management unit configured to convert a first account into a group account when a group account conversion request for the first account of a host of a group is generated; a transaction ledger management unit configured to record change information in a transaction ledger for the group account when the change information including at least one of a transaction occurrence event and an information occurrence event is generated for the group account; a virtual ledger management unit configured to generate a virtual ledger to be mapped to the transaction ledger when the first account is changed to the group account.Type: GrantFiled: September 21, 2023Date of Patent: December 10, 2024Assignee: KAKAOBANK CORP.Inventors: Byeoung Su Lee, Hyung Keun Song, Jin Woo Kim, Eun Hyi Kho, Jung Hee Ko, Jong Hwan Oh, Geun Won Mo, Sung Jun Kim, Jong Sun Yoo, Yong Jun Kim, Tae Wan Kim, Seon Beom Lee, Jin Han
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Patent number: 12150600Abstract: A drying apparatus includes a body, an airflow inlet, a bar supported by the body, the bar including an airflow outlet, and at least one flow generator to receive inlet air from the airflow inlet and to expel forced airflow through the airflow outlet. At least one motor is provided to rotate the bar about an axis oriented substantially parallel to a drying face of the body, the rotation of the bar reorientating the airflow outlet.Type: GrantFiled: September 8, 2020Date of Patent: November 26, 2024Assignee: LG ELECTRONICS INC.Inventors: Hyun sun Yoo, Seung Yup Lee, Sang Yoon Lee, Byung Soo Oh, Hyun-Joo Jeon, So Ra Cheon, Ji sun Yoon
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Publication number: 20240356186Abstract: A secondary battery includes: an electrode assembly; a can having a lower surface and a side surface and accommodating the electrode assembly therein; a cap plate coupled to an upper end of the can; a terminal on the lower surface of the can; and an insulator having a plate-shaped portion between the electrode assembly and the lower surface of the can and a wing portion extending upwardly from a circumference of the plate-shaped portion. The wing portion has a cutout portion.Type: ApplicationFiled: October 23, 2023Publication date: October 24, 2024Inventors: Gun Gue PARK, Woo Tae JUN, Sung Gwi KO, Gwan Hyeon YU, Myung Seob KIM, Yoon Sun YOO, Hyun Ki JUNG
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Publication number: 20240356122Abstract: A cylindrical secondary battery including: an electrode assembly including a first electrode plate, a separator, and a second electrode plate; a case accommodating the electrode assembly and having an open lower end, the case being electrically connected to the second electrode plate; a first current collector plate between an upper surface of the electrode assembly and the case and being electrically connected to the first electrode plate; a terminal extending through an upper surface of the case and having a lower end electrically and mechanically coupled to an upper surface of the first current collector plate, the terminal having: a welding groove having a depth downward from an upper surface thereof; and a sealing member filling the welding groove; and a cap plate sealing the lower end of the case.Type: ApplicationFiled: February 26, 2024Publication date: October 24, 2024Inventors: Sung Gwi KO, Gwan Hyeon YU, Gun Gue PARK, Hyun Ki JUNG, Woo Tae JUN, Yoon Sun YOO, Myung Seob KIM
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Publication number: 20240356123Abstract: A cylindrical secondary battery includes: an electrode assembly including a first electrode plate, a separator, and a second electrode plate; a cylindrical case accommodating the electrode assembly and electrically connected to the second electrode plate; a terminal coupled to a lower surface of the case through a first gasket and electrically connected to the first electrode plate; a cap plate sealing the upper end of the case; and a second gasket between the case and the cap plate, the second gasket having: a sidewall portion in close contact with a side surface of the case; and a bottom portion extending inwardly from a bottom end of the sidewall portion and having at least one opening formed therein. The bottom portion of the second gasket having flange parts extending from the sidewall portion in an edge region and a bridge part connecting the flange parts to each other.Type: ApplicationFiled: October 12, 2023Publication date: October 24, 2024Inventors: Sung Gwi KO, Gun Gue PARK, Hyun Ki JUNG, Myung Seob KIM, Yoon Sun YOO, Woo Tae JUN, Gwan Hyeon YU
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Publication number: 20240356178Abstract: A cylindrical secondary battery includes a can and a terminal part including: a first terminal outside of the can; and a second terminal coupled to a terminal hole of the can, arranged inside and outside of the can, and riveted to the first terminal from an outside of the can. According to embodiments of the present disclosure, plastic deformation of a rivet terminal occurs outside of a can, and there is no limitation on the shape of the rivet terminal inside the can. In addition, the rivet terminal may be processed regardless of a size or height of the can, and there is no interference with the can, and a processing time may be reduced.Type: ApplicationFiled: April 19, 2024Publication date: October 24, 2024Inventors: Gun Gue PARK, Sung Gwi KO, Hyun Ki JUNG, Yoon Sun YOO, Gwan Hyeon YOO, Myung Seob KIM, Mun Sung KIM, Woo Tae JUN
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Patent number: D1064323Type: GrantFiled: January 13, 2023Date of Patent: February 25, 2025Assignees: Hyundai Motor Company, Kia CorporationInventors: Yun-Hee Lee, Bo-Hyeok Im, Eun-Sun Yoo, Jae-Hyun Lee, Woong-Sun Ko
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Patent number: D1064324Type: GrantFiled: January 20, 2023Date of Patent: February 25, 2025Assignees: Hyundai Motor Company, Kia CorporationInventors: Yun-Hee Lee, Bo-Hyeok Im, Eun-Sun Yoo, Jae-Hyun Lee, Woong-Sun Ko