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公开(公告)号：US20230263337A1
公开(公告)日：2023-08-24
申请号：US18141639
申请日：2023-05-01
申请人： LG ELECTRONICS INC.
发明人： Misun Song , Yooseok Kwon
CPC分类号： A47J36/2483 , H05B3/03 , H05B3/74
摘要： An electric heater includes a substrate; and a plane heating element disposed on one surface of the substrate, in which the plane heating element includes a pattern portion including a start point and an end point; and an electrode portion connected to the start point and the end point of the pattern portion, and a thickness of the electrode portion is thicker than a thickness of the pattern portion.
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公开(公告)号：US11406222B2
公开(公告)日：2022-08-09
申请号：US16547005
申请日：2019-08-21
申请人： LG ELECTRONICS INC.
发明人： Misun Song
摘要： An electric heater includes a substrate and a plane heating element disposed on one surface of the substrate. The plane heating element includes a first pattern portion including a start point and an end point, a second pattern portion that surrounds at least a portion of the first pattern portion and includes a start point and an end point, which are located at an innermost side of the second pattern portion, and a third pattern portion that surrounds at least a portion of the second pattern portion and includes a start point and the end point, which are located at an outermost side of the third pattern portion. The first pattern portion includes a plurality of first tracks that are space apart from each other and have an arc shape that is increasing in length from a center to an outermost side of the first pattern portion, the second pattern portion includes a plurality of second tracks spaced apart from each other and having an arc shape that is increasing in length from the innermost side to an outermost side of the second pattern portion, the third pattern portion includes a plurality of third tracks spaced apart from each other and having an arc shape that is increasing in length from an innermost side to the outermost side of the third portion, and a width of a third track is wider than a width of a first track.
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公开(公告)号：US11965658B2
公开(公告)日：2024-04-23
申请号：US17964537
申请日：2022-10-12
申请人： LG Electronics Inc.
发明人： Misun Song
IPC分类号： H05B3/10 , A47J36/24 , F24C7/06 , F24C7/08 , H05B3/03 , H05B3/16 , H05B3/20 , H05B3/26 , H05B3/68 , H05B3/74
CPC分类号： F24C7/062 , A47J36/2483 , F24C7/088 , H05B3/03 , H05B3/20 , H05B3/26 , H05B3/265 , H05B3/68 , H05B3/748 , H05B2203/007 , H05B2203/016 , H05B2203/03
摘要： An electric heater includes a substrate (an insulating material capable of forming a conductor pattern on a surface of an insulating substrate), a first plane heating element formed on one surface of the substrate, and a second plane heating element formed on one surface of the substrate to be located outside the first plane heating element. The first plane heating element includes a first pattern portion connecting a start point with an end point located in a first zone, a pair of first electrodes located outside the first zone, and a pair of first connectors connecting the first pattern portion with the first electrodes. The second plane heating element includes a second pattern portion located in a second zone surrounding the first zone and connecting a start point with an end point, and at least some of the first connectors are located in the second zone.
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公开(公告)号：US11867410B2
公开(公告)日：2024-01-09
申请号：US16547087
申请日：2019-08-21
申请人： LG ELECTRONICS INC.
发明人： Misun Song
CPC分类号： F24C7/083 , F24C7/067 , H05B3/03 , H05B2203/002 , H05B2203/014 , H05B2203/037
摘要： An electric heater includes a substrate; a first plane heating element disposed on a surface of the substrate; and a second plane heating element disposed on the surface of the substrate so as to be located outside the first plane heating element. The first plane heating element includes a first pattern portion having a start point and an end point, and a pair of first electrode portions connected to the first pattern portion. The second plane heating element includes a second pattern portion that surrounds a portion of an outer circumference of the first pattern portion, has a start point and an end point, and has an opening portion at one side thereof; and a pair of second electrode portions connected to the second pattern portion.
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公开(公告)号：US11486582B2
公开(公告)日：2022-11-01
申请号：US16522214
申请日：2019-07-25
申请人： LG Electronics Inc.
发明人： Misun Song
IPC分类号： H05B3/10 , H05B3/16 , H05B3/26 , H05B3/68 , F24C7/06 , F24C7/08 , H05B3/20 , A47J36/24 , H05B3/03 , H05B3/74
摘要： An electric heater includes a substrate (an insulating material capable of forming a conductor pattern on a surface of an insulating substrate), a first plane heating element formed on one surface of the substrate, and a second plane heating element formed on one surface of the substrate to be located outside the first plane heating element. The first plane heating element includes a first pattern portion connecting a start point with an end point located in a first zone, a pair of first electrodes located outside the first zone, and a pair of first connectors connecting the first pattern portion with the first electrodes. The second plane heating element includes a second pattern portion located in a second zone surrounding the first zone and connecting a start point with an end point, and at least some of the first connectors are located in the second zone.
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公开(公告)号：US11668470B2
公开(公告)日：2023-06-06
申请号：US16547153
申请日：2019-08-21
申请人： LG ELECTRONICS INC.
发明人： Misun Song
CPC分类号： F24C7/083 , F24C7/067 , H05B3/03 , H05B2203/005
摘要： An electric heater includes a substrate; and a plane heating element disposed on one surface of the substrate. The plane heating element includes a pattern portion including a start point and an end point, which are located at an outermost side of the pattern portion, the pattern portion including a plurality of tracks having an arc shape, which are spaced apart from each other and are formed to have a length increasing from an innermost side to the outermost side of the pattern portion, and a plurality of bridges connecting the plurality of tracks in series. The plurality of bridges are formed on both sides of the pattern portion with respect to a reference line passing through a center of the pattern portion, and an innermost gap between the pair of bridges located at the innermost side of the pattern portion is narrower than an outermost gap between a pair of bridges located at the outermost side of the pattern portion.
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公开(公告)号：US11647567B2
公开(公告)日：2023-05-09
申请号：US16540448
申请日：2019-08-14
申请人： LG Electronics Inc.
发明人： Misun Song
IPC分类号： H05B3/10 , H05B3/16 , H05B3/26 , H05B3/68 , H05B3/76 , H05B3/74 , H05B3/03 , F24C7/08 , A47J36/24 , H05B3/20 , F24C7/06
CPC分类号： H05B3/76 , A47J36/2483 , F24C7/062 , F24C7/088 , H05B3/03 , H05B3/20 , H05B3/26 , H05B3/265 , H05B3/68 , H05B3/748 , H05B2203/007 , H05B2203/016 , H05B2203/017 , H05B2203/028 , H05B2203/03
摘要： An electric heater includes a substrate and an inner plane heating element formed on one surface of the substrate. The inner plane heating element includes an inner pattern portion connecting a start point with an end point. The inner pattern portion includes a first track, a second track located outside the first track and spaced part from the first track, a first bridge connecting the first track with one end of the second track, a third track located outside the second track and spaced apart from the second track, and a second bridge connecting the other end of the second track with the third track. A first gap G1 between the first and second tracks is shorter than a second gap G2 between the second and third tracks along a virtual line crossing the first, second and third tracks and closer to the first bridge than the second bridge.
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公开(公告)号：US11435088B2
公开(公告)日：2022-09-06
申请号：US16546679
申请日：2019-08-21
申请人： LG ELECTRONICS INC.
发明人： Misun Song , Yooseok Kwon
摘要： An electric heater includes a substrate; and a first plane heating element disposed on one surface of the substrate, in which the first plane heating element includes a first track; a second track spaced apart from the first track; and a third track spaced apart from the second track. At least a portion of the second track is located between the first track and the third track, and the first track and the second track are connected by a first bridge, where the first bridge includes a first outer protrusion protruding toward the third track. The third track is formed with a curved portion which protrudes in an outward direction, and the first outer protrusion faces an inside of the curved portion in the outward direction and is spaced apart from the curved portion.
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公开(公告)号：US20200063977A1
公开(公告)日：2020-02-27
申请号：US16547153
申请日：2019-08-21
申请人： LG ELECTRONICS INC.
发明人： Misun Song
摘要： An electric heater includes a substrate; and a plane heating element disposed on one surface of the substrate. The plane heating element includes a pattern portion including a start point and an end point, which are located at an outermost side of the pattern portion, the pattern portion including a plurality of tracks having an arc shape, which are spaced apart from each other and are formed to have a length increasing from an innermost side to the outermost side of the pattern portion, and a plurality of bridges connecting the plurality of tracks in series. The plurality of bridges are formed on both sides of the pattern portion with respect to a reference line passing through a center of the pattern portion, and an innermost gap between the pair of bridges located at the innermost side of the pattern portion is narrower than an outermost gap between a pair of bridges located at the outermost side of the pattern portion.
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公开(公告)号：US11602016B2
公开(公告)日：2023-03-07
申请号：US16595011
申请日：2019-10-07
申请人： LG ELECTRONICS INC.
发明人： Misun Song
摘要： An electric heater includes a substrate, an outer pattern part disposed on one surface of the substrate, an inner pattern part disposed on the one surface of the substrate so as to be located such that the outer pattern part surrounds the inner pattern part, and to be spaced apart from the outer pattern part. A pair of first electrodes is connected to the outer pattern part and a pair of second electrodes is connected to the inner pattern part and spaced apart from the pair of first electrodes, and the pair of second electrodes are located inside the outer pattern part.
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