Internal-combustion engines – High tension ignition system – Power supply – ignition coil primary – and interrupter element...
Patent
1991-09-24
1992-09-08
Wolfe, Willis R.
Internal-combustion engines
High tension ignition system
Power supply, ignition coil primary, and interrupter element...
123630, 123169PA, 123634, 439125, F02P 706, F02P 3055
Patent
active
051449366
ABSTRACT:
An ignition apparatus for internal combustion engines of which configuration is simplified to reduce production cost and improve reliability of the apparatus. The present invention with the above object can be completed in three main embodiments. The ignition apparatus according to one embodiment of the present invention has a distributor cap. The distributor cap comprises an ignition coil; a central electrode connected to the ignition coil; a plurality of side electrodes each connected to an ignition plug of each cylinder of the engine and selectively connected to the central electrode; a plurality of diodes each connected to the plurality of side electrodes each; a terminal connected to the diodes for outputting ion detecting signals; and a resin portion for holding the central electrode, the plurality of side electrodes, the plurality of diodes, and the terminal. In the above embodiment, the ion current detecting diodes are built in the distributor cap to remove the diode assemblies each provided to each cylinder of the engine, resulting in the decreased number of parts for the apparatus.
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Ikeuchi Masayuki
Murata Shigemi
Mitsubishi Denki & Kabushiki Kaisha
Wolfe Willis R.
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