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公开(公告)号：US20210259067A1
公开(公告)日：2021-08-19
申请号：US16902439
申请日：2020-06-16
Applicant: LG Electronics Inc.
Inventor： Seongjun KIM , Wontae KIM , Seonghoon HWANG
Abstract: An induction heating type cooktop include a case, a cover plate connected to an upper end of the case, the cover plate having an upper surface configured to support thereon an object to be heated, a thin layer disposed at the cover plate, a heat insulator disposed vertically below the thin layer, a working coil disposed inside the case, a cooling fan configured to blow air toward the working coil, and a bracket that defines a cooling passage. The cooling passage is configured to guide the air to pass through the working coil and to discharge the air to an outside of the bracket.
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公开(公告)号：US20210259063A1
公开(公告)日：2021-08-19
申请号：US16901708
申请日：2020-06-15
Applicant: LG Electronics Inc.
Inventor： Seonghoon HWANG , Wontae KIM , Seongjun KIM
Abstract: An induction heating type cooktop includes a cover plate, a working coil, a thin film, an additional metal film, and an insulator. The cover plate is coupled to a top of a case and includes an upper plate configured to place an object to be heated. The working coil is disposed in the case and configured to heat the object. The thin film is disposed on the upper plate. The additional metal film forms an equivalent circuit with the thin film and the object so as to allow an induced current by the working coil to be induced into the object arranged at the upper plate. The insulator is disposed between a bottom surface of the upper plate and the working coil.
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公开(公告)号：US20250024564A1
公开(公告)日：2025-01-16
申请号：US18897796
申请日：2024-09-26
Applicant: LG Electronics Inc.
Inventor： Seongjun KIM , Wontae KIM , Seonghoon HWANG
Abstract: An induction heating type cooktop includes a cover plate that is coupled to a top of a case and that includes an upper plate configured to seat an object to be heated, a working coil disposed inside the case and configured to heat the object, an insulator disposed between a bottom surface of the upper plate and the working coil, and a thin film that is disposed on at least one of a top surface of the upper plate or the bottom surface of the upper plate and that includes a plurality of sub-films that are arranged about a central portion of the thin film. An outer boundary of one of the plurality of sub-films is positioned radially outward of an outer boundary of another of the plurality of sub-films relative to the central portion of the thin film.
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公开(公告)号：US20240064877A1
公开(公告)日：2024-02-22
申请号：US18500805
申请日：2023-11-02
Applicant: LG Electronics Inc.
Inventor： Seonghoon HWANG , Wontae KIM , Seongjun KIM
CPC classification number: H05B6/1209 , G01K1/026 , G01K7/02 , H05B3/74 , H05B6/062 , H05B6/105 , H05B6/1245 , H05B6/1272
Abstract: An induction heating type cooktop includes a case, a cover plate that is connected to an upper end of the case and that has an upper surface configured to support an object to be heated, a working coil disposed inside the case, a thin layer disposed at the cover plate, a temperature sensor configured to sense a temperature of the thin layer, and a heat insulator that is configured to block heat transfer from the thin layer to the working coil and that defines at least one sensing hole that receives the temperature sensor.
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公开(公告)号：US20230371138A1
公开(公告)日：2023-11-16
申请号：US18220644
申请日：2023-07-11
Applicant: LG Electronics Inc.
Inventor： Seongjun KIM , Wontae KIM , Seonghoon HWANG
CPC classification number: H05B6/1263 , H05B6/062
Abstract: An induction heating type cooktop includes a case, a cover plate that is connected to an upper end of the case and that has an upper surface configured to support an object to be heated, a working coil disposed inside the case, a thin layer disposed at the cover plate and configured to be heated by the working coil through induction, and a working coil cooling fan configured to blow air toward the working coil.
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Patent Agency Ranking
公开(公告)号：US20240121866A1
公开(公告)日：2024-04-11
申请号：US18542069
申请日：2023-12-15
Applicant: LG Electronics Inc.
Inventor： Seongjun KIM , Wontae KIM , Seonghoon HWANG
CPC classification number: H05B6/1263 , F24C7/083 , H05B6/062 , H05B6/1209
Abstract: An induction heating type cooktop include a case, a cover plate connected to an upper end of the case, the cover plate having an upper surface configured to support thereon an object to be heated, a thin layer disposed at the cover plate, a heat insulator disposed vertically below the thin layer, a working coil disposed inside the case, a cooling fan configured to blow air toward the working coil, and a bracket that defines a cooling passage. The cooling passage is configured to guide the air to pass through the working coil and to discharge the air to an outside of the bracket.
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公开(公告)号：US20210259064A1
公开(公告)日：2021-08-19
申请号：US16903977
申请日：2020-06-17
Applicant: LG Electronics Inc.
Inventor： Seonghoon HWANG , Wontae KIM , Seongjun KIM
Abstract: An induction heating type cooktop includes a case, a cover plate that is connected to an upper end of the case and that has an upper surface configured to support an object to be heated, a working coil disposed inside the case, a thin layer disposed at the cover plate, a temperature sensor configured to sense a temperature of the thin layer, and a heat insulator that is configured to block heat transfer from the thin layer to the working coil and that defines at least one sensing hole that receives the temperature sensor.
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公开(公告)号：US20210195702A1
公开(公告)日：2021-06-24
申请号：US16849558
申请日：2020-04-15
Applicant: LG Electronics Inc.
Inventor： Seongjun KIM , Wontae KIM , Seonghoon HWANG
Abstract: An induction heating type cooktop includes a cover plate that is coupled to a top of a case and that includes an upper plate configured to seat an object to be heated, a working coil disposed inside the case and configured to heat the object, an insulator disposed between a bottom surface of the upper plate and the working coil, and a thin film that is disposed on at least one of a top surface of the upper plate or the bottom surface of the upper plate and that includes a plurality of sub-films that are arranged about a central portion of the thin film. An outer boundary of one of the plurality of sub-films is positioned radially outward of an outer boundary of another of the plurality of sub-films relative to the central portion of the thin film.
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公开(公告)号：US20190277521A1
公开(公告)日：2019-09-12
申请号：US16465682
申请日：2017-12-01
Applicant: LG Electronics Inc.
Inventor： Semi LEE , Sangcheol LEE , Seonghoon HWANG , Wontae KIM
Abstract: A ventilation apparatus according to the present invention comprises: a case having a flow hole; a flow guide positioned inside the case, the flow guide having an inflow opening that communicates with the flow hole, and the flow guide having a guide surface that slopes downward as the same extends outward; a swirler positioned in an area formed by the flow guide and configured to rotate in order to discharge a part of air introduced through the flow hole out of the case again, the swirler having a plurality of blades; a driving motor for rotating the swirler; and a grill member that covers the swirler outside the case and provides an air channel. The grill member comprises a grill rib that forms a suction channel for suctioning air and a discharge channel for discharging air. The discharge channel may be positioned outside the suction channel.
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公开(公告)号：US20240314895A1
公开(公告)日：2024-09-19
申请号：US18672304
申请日：2024-05-23
Applicant: LG Electronics Inc.
Inventor： Seonghoon HWANG , Wontae KIM , Seongjun KIM
CPC classification number: H05B6/1209 , H05B3/74 , H05B6/062 , H05B6/105
Abstract: An induction heating type cooktop includes a cover plate, a working coil, a thin film, an additional metal film, and an insulator. The cover plate is coupled to a top of a case and includes an upper plate configured to place an object to be heated. The working coil is disposed in the case and configured to heat the object. The thin film is disposed on the upper plate. The additional metal film forms an equivalent circuit with the thin film and the object so as to allow an induced current by the working coil to be induced into the object arranged at the upper plate. The insulator is disposed between a bottom surface of the upper plate and the working coil.
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