Ignition device of ignition control system for an internal...

Details Ignition device of ignition control system for an internal... Ignition device of ignition control system for an internal...

2007-05-10

2008-12-23

Solis, Erick (Department: 3747)

Internal-combustion engines

High tension ignition system

Using capacitive storage and discharge for spark energy

C123S630000, C123S406130, C123S406140, C123S406270

Reexamination Certificate

active

07467626

ABSTRACT:
An ignition device, including: an ignition coil (1) having a primary coil and a secondary coil; a switching element (5) for causing a primary current to be conducted through and shut off from the primary coil of the ignition coil; a waveform shaping circuit (6) for shaping a waveform of an ignition signal transmitted from an outside through a signal line to supply a conduction signal thus obtained to the switching element; ion current detecting means (8, 9) connected to the secondary coil of the ignition coil, for detecting an ion current flowing through the secondary coil; and ion signal generating means (10, 11, 12) for outputting an ion signal, which indicates the ion current detected for a predetermined period after the conduction signal of the waveform shaping circuit has been turned off, to the outside through the signal line while invalidating the conduction signal from the waveform shaping circuit.

REFERENCES:
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patent: 7063079 (2006-06-01), Huberts et al.
patent: 2004/0084021 (2004-05-01), Zhu et al.
patent: 2004/0084035 (2004-05-01), Newton
patent: 8-128381 (1996-05-01), None
patent: 2003314424 (2003-11-01), None
patent: 2004156608 (2004-06-01), None
Japanese Office Action, dated Aug. 19, 2008.

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