Internal-combustion engines – High tension ignition system – Having a specific ignition coil
Reexamination Certificate
2007-09-11
2008-10-28
Solis, Erick (Department: 3747)
Internal-combustion engines
High tension ignition system
Having a specific ignition coil
C123S635000
Reexamination Certificate
active
07441552
ABSTRACT:
The rotation of an ignition coil apparatus upon mounting thereof on an internal combustion engine is prevented with a simple structure, and the efficiency of mounting the ignition coil apparatus on the internal combustion engine is improved. A high voltage tower is formed integrally with a case main body having a transformer received therein, and holds a high voltage output terminal therein. A cylindrical plug boot has its one end attached to the high voltage tower. The plug boot is inserted into a plug hole in an internal combustion engine main body whereby the ignition coil apparatus is mounted on the internal combustion engine main body through a head cover having upstanding wall portions. A pair of protrusions for restricting the rotation of the casing main body around an axis of the plug hole are formed on a surface of the casing main body in opposition to the wall portions.
REFERENCES:
patent: 6543430 (2003-04-01), Moga et al.
patent: 6776147 (2004-08-01), Tsunenaga et al.
patent: 2004/0123852 (2004-07-01), Tsunenaga et al.
patent: 2002-48043 (2002-02-01), None
Matsui Tomohito
Sawazaki Nobuyuki
Mitsubishi Electric Corporation
Solis Erick
Sughrue & Mion, PLLC
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