MANUFACTURING METHOD OF IGNITION COIL FOR INTERNAL COMBUSTION ENGINE

PROBLEM TO BE SOLVED: To provide a manufacturing method of an ignition coil for internal combustion engine capable of sealing a primary coil and a secondary coil while suppressing sedimentation of a filler even if the content of filler in a resin molding is increased.SOLUTION: A primary coil and a s...

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Bibliographische Detailangaben
Hauptverfasser:	SUGIURA AKIO, MAKISHIMA TATSUNORI, IZUMI TAKAO, AOKI KOJI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS BLASTING COMBUSTION ENGINES ELECTRICITY HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS IGNITION, OTHER THAN COMPRESSION IGNITION, FORINTERNAL-COMBUSTION ENGINES INDUCTANCES LIGHTING MAGNETS MECHANICAL ENGINEERING SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES TRANSFORMERS WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a manufacturing method of an ignition coil for internal combustion engine capable of sealing a primary coil and a secondary coil while suppressing sedimentation of a filler even if the content of filler in a resin molding is increased.SOLUTION: A primary coil and a secondary coil are sealed by performing a step for preparing a massive precursor, produced by grinding a solid where a filler is dispersed into an epoxy resin and the resin component of a hardener and then hardening the ground product into a predetermined shape, as the precursor of the resin molding, and a step for impregnating between the wires of a primary winding and between the wires of a secondary winding with the precursor while imparting fluidity to the precursor by heating.