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公开(公告)号：US11676745B2
公开(公告)日：2023-06-13
申请号：US16808850
申请日：2020-03-04
发明人： Jan-Michael Feustel , Florian Bitto-Golon , Ahmad Asafi , Stefan Plewnia , Kai-Fabian Bürkle , Michael Niederer , Marcel Lösch
CPC分类号： H01C7/021 , H01C1/08 , H05B3/06 , H05B3/141 , H05B3/24 , H01M2200/106 , H05B2203/02
摘要： A PTC heating element has two insulating layers with a metallic coating provided on one side and a PTC element arranged therebetween. The PTC element is provided on oppositely disposed main side surfaces with a respective metallization which is electrically conductively connected to the coating of one of the insulating layers The metallization provided on one of the main side surfaces is assigned only to one potential for energizing the PTC element, and the metallization provided on the other of the main side surfaces is only assigned to the other potential for energizing the PTC element, as well as an electric heating device containing such a PTC heating element. With regard to better heat decoupling, the insulating layer may be glued to the PTC element, and the coating of the insulating layers is in direct electrically conductive contact with the metallization of the PTC element.
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公开(公告)号：US20210298132A1
公开(公告)日：2021-09-23
申请号：US17202609
申请日：2021-03-16
IPC分类号： H05B3/50
摘要： An electric heating device includes a housing encompassing a PTC element and strip conductors electrically connected to the PTC element for energizing the same with different polarity. The housing is integrally molded over the PTC element and strip conductors from a polymer ceramic. A method of manufacturing such an electric heating device also is disclosed.
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公开(公告)号：US20210360743A1
公开(公告)日：2021-11-18
申请号：US17319264
申请日：2021-05-13
摘要： A method is provided for manufacturing a PTC heating cell with at least one PTC element and contact elements which are made of an electrically conductive material, which are electrically conductively abutted against the PTC element, and which are connected to the PTC element and a corresponding heating cell. In order to improve heat extraction and the connection between the contact element and the PTC element, the contact elements are connected to the PTC element by induction soldering. Also disclosed is a PTC cell in which there is only solder of the solder connection between the thermistor material of the PTC element and the contact element.
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公开(公告)号：US20210274601A1
公开(公告)日：2021-09-02
申请号：US17186248
申请日：2021-02-26
发明人： Andreas Kümpel , Yves Knüpfer
摘要： A PTC heating device includes a PTC element and a frame element which forms a recess circumferentially surrounding the PTC element and being covered on both sides by electrically insulating plates that interact with the frame element for sealing the PTC element in the recess. In order to create a PTC heating device which allows for a reliable electrical connection of the PTC element to a power source while reliably sealing the PTC element in the recess, the insulating plates each be provided with a metallization that is connected, in an electrically conductively manner, to the PTC element. The metallization is connected in an electrically conductively manner, to an associated contact surface provided on the outer surface of the electrically insulating plate for the electrical connection of a power source to the PTC heating device.
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公开(公告)号：US11721456B2
公开(公告)日：2023-08-08
申请号：US16808835
申请日：2020-03-04
CPC分类号： H01C7/021 , H01C1/08 , H05B3/06 , H05B3/141 , H05B3/24 , H01M2200/106 , H05B2203/02
摘要： A PTC heating element and an electric heating device containing such a PTC heating element are disclosed. The PTC heating element comprises two insulating layers with a metallic coating provided on one side and a PTC element arranged therebetween which is provided on oppositely disposed main side surfaces with a respective metallization which is electrically conductively connected to the coating of one of the insulating layers. The metallization provided on one of the main side surfaces is assigned only to one potential for energizing the PTC element. The metallization provided on the other main side surface is assigned to only the other potential for energizing the PTC element. The metallization of the one main side surface of the PTC element and the metallization of the other main side surface of the PTC element are formed in such a way that the current path (P) through the PTC element is extended relative to the thickness (D) of the PTC element.
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公开(公告)号：US20220266659A1
公开(公告)日：2022-08-25
申请号：US17677527
申请日：2022-02-22
摘要： A heater (10) for heating a heat transfer medium, especially in a vehicle, with at least one heating element (14) built up with PTC material with a plurality of heat transfer medium flow ducts (30) passing through the heating element (14).
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公开(公告)号：US20200286652A1
公开(公告)日：2020-09-10
申请号：US16808835
申请日：2020-03-04
摘要： A PTC heating element and an electric heating device containing such a PTC heating element are disclosed. The PTC heating element comprises two insulating layers with a metallic coating provided on one side and a PTC element arranged therebetween which is provided on oppositely disposed main side surfaces with a respective metallization which is electrically conductively connected to the coating of one of the insulating layers. The metallization provided on one of the main side surfaces is assigned only to one potential for energizing the PTC element. The metallization provided on the other main side surface is assigned to only the other potential for energizing the PTC element. The metallization of the one main side surface of the PTC element and the metallization of the other main side surface of the PTC element are formed in such a way that the current path (P) through the PTC element is extended relative to the thickness (D) of the PTC element.
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