Internal-combustion engines – High tension ignition system – Responsive to engine or environmental condition
Patent
1997-04-09
1998-11-10
Dolinar, Andrew M.
Internal-combustion engines
High tension ignition system
Responsive to engine or environmental condition
123643, 73116, F02P 1712
Patent
active
058329080
ABSTRACT:
A cylinder-discriminating device for an internal combustion engine is provided. A reference timing signal is generated whenever the engine rotates through a predetermined rotational angle. A secondary-side sparking current produced in a particular cylinder or a particular cylinder group in response to an ignition timing signal generated in synchronism with generation of the reference timing signal is detected. Cylinder discrimination is carried out to discriminate between cylinders or between cylinder groups, based on the secondary-side sparking current detected. In another form, secondary-side sparking currents produced in respective cylinders or respective cylinder groups in response to an ignition timing signal generated in synchronism with generation of the reference timing signal are detected. Cylinder discrimination is carried out to discriminate between the cylinders or between the cylinder groups, based on the secondary-side sparking currents detected.
REFERENCES:
patent: 4795979 (1989-01-01), Kreft et al.
patent: 5067462 (1991-11-01), Iwata et al.
patent: 5107817 (1992-04-01), Dittmann et al.
Dolinar Andrew M.
Honda Giken Kogyo Kabushiki Kaisha
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