Ignition coil, has coil shell, on which primary coil and secondary coil are arranged where coils are enclosed by housing and insulating layer made from epoxide resin is provided between coil shell and secondary coil
The ignition coil has a coil shell (11), on which a primary coil (13) and a secondary coil (12) are arranged. The primary and secondary coils are enclosed by a housing (14). An insulating layer (21) made from an epoxide resin is provided between coil shell and secondary coil or between secondary coi...
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| Format: | Patent |
| Sprache: | eng ; ger |
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| Zusammenfassung: | The ignition coil has a coil shell (11), on which a primary coil (13) and a secondary coil (12) are arranged. The primary and secondary coils are enclosed by a housing (14). An insulating layer (21) made from an epoxide resin is provided between coil shell and secondary coil or between secondary coil and primary coil or between primary coil and housing. The epoxide resin is compounded by using a polymer on the base of bisphenol-A-diglycidyl ether and a hardener, which has a structural unit on the base of a bicyclical compound.
Die vorliegende Erfindung betrifft eine Zündspule (10) mit einem Spulenkern (11), auf dem eine Primärspule (13) und eine Sekundärspule (12) angeordnet sind, die von einem Gehäuse (14) umschlossen sind, wobei zwischen dem Spulenkern (11) und der Sekun(12) und der Primärspule (13) und/oder zwischen der Primärspule (13) und dem Gehäuse (14) eine Isolierschicht (21) aus einem Epoxidharz vorgesehen ist, dadurch gekennzeichnet, dass das Epoxidharz unter Verwendung mindestens eines Polymers auf der Basis von Bisphenol-A-Diglycidylether und mindestens eines Härters hergestellt ist, der mindestens eine Struktureinheit auf der Basis eines Bicyclus aufweist. |
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