IGNITION COIL APPARATUS

An ignition coil apparatus comprises a base plate 10 connectable at its one side to an engine rocker cover. The base plate has a plurality of plug towers 13 for supporting spark plugs 8 and a plurality of ignition coils 18 mounted on the opposite side between the spark plugs so that electrical condu...

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Bibliographic Details
Main Author MAEKAWA; TOSHIO
Format Patent
LanguageEnglish
Published 06.10.1992
Subjects
ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
BLASTING
COMBUSTION ENGINES
CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
IGNITION, OTHER THAN COMPRESSION IGNITION, FORINTERNAL-COMBUSTION ENGINES
LIGHTING
MECHANICAL ENGINEERING
TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
WEAPONS
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Summary:An ignition coil apparatus comprises a base plate 10 connectable at its one side to an engine rocker cover. The base plate has a plurality of plug towers 13 for supporting spark plugs 8 and a plurality of ignition coils 18 mounted on the opposite side between the spark plugs so that electrical conductors 19 between the ignition coils and the spark plugs may be short. A cover 21 may be placed on the base plate for covering the ignition coils and the conductors. The base plate, the plug towers, the ignition coils, the conductors and the cover are fastened together as a single ignition coil assembly detachably mounted to the engine as a unit. The rocker cover has plug openings 14 for receiving the spark plugs and a continuous water-proof seal rib 15 is formed on the rocker cover around the plug openings to encircle all of them together. A continuous rib-receiving seal groove 16 is disposed in correspondence with the seal rib to provide a water-tight seal between the rocker cover and the base plate.
Bibliography:Application Number: US19910737550