IGNITION COIL

PROBLEM TO BE SOLVED: To provide an ignition coil capable of holding an elastic member at an edge reliably even in a core forming a closed magnetic circuit, and capable of preventing deterioration in magnetic characteristic and the generation of cracks by absorbing thermal strain and magnetic strain...

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Bibliographic Details
Main Authors HIRAYAMA IKUO, TAUCHI KOJI, KOJIMA MASAMI, MATSUBAYASHI SHUICHI
Format Patent
LanguageEnglish
Published 13.11.2008
Subjects
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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Summary:PROBLEM TO BE SOLVED: To provide an ignition coil capable of holding an elastic member at an edge reliably even in a core forming a closed magnetic circuit, and capable of preventing deterioration in magnetic characteristic and the generation of cracks by absorbing thermal strain and magnetic strain. SOLUTION: In the ignition coil, a coil assembly which has primary and secondary coils and the core forming the closed magnetic circuit is stored in a coil case, and an insulating resin is filled between respective constituent members. In a core member 1812, a surface other than a plane at one edge is covered with a mold resin 1813. A portion forming the periphery of the plane of one edge of the core member 1812 of the mold resin 1813 projects from the plane of the edge by 1-2 mm. The elastic member 1817 is arranged in a space surrounded by the projecting mold resin 1813. The elastic member 1817 covers the plane of one edge in the core. COPYRIGHT: (C)2009,JPO&INPIT
Bibliography:Application Number: JP20070119216