Internal-combustion engines – High tension ignition system – Having a specific ignition coil
Reexamination Certificate
2006-03-28
2006-03-28
Kwon, John T. (Department: 3747)
Internal-combustion engines
High tension ignition system
Having a specific ignition coil
C123S635000, C123S1690PH
Reexamination Certificate
active
07017566
ABSTRACT:
An insulator includes a plug side cylindrical portion having an inner space for accommodating a center electrode and a coil side cylindrical portion extending in a direction departing from a combustion chamber. The high-voltage portion of an ignition coil is entirely accommodated inside the coil side cylindrical portion. According to this arrangement, the coil side cylindrical portion can assure insulation between the high-voltage portion and the low-voltage portion. The portion to be insulated and fixed by an insulating resin is limited only to the secondary winding.
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Hiramatsu Hiromi
Maekawa Takeo
Miwa Tetsuya
Mizutani Atsuya
Denso Corporation
Kwon John T.
Nixon & Vanderhye PC
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