Device and method for ignition detection

Details Device and method for ignition detection Device and method for ignition detection

1996-06-04

1997-11-04

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

73 3506, 73 3508, 73116, 123630, 324380, F02B 7708, F02P 1700

Patent

active

056828608

ABSTRACT:
The process for ignition detection for an ignition system in a combustion engine wherein a first ignition pulse is generated in a cycle for generating a first ignition spark and at least a second ignition pulse for generating a second ignition spark provides that the alternating voltage for generating at least the second ignition pulse has one or more periods with half-waves having different amplitudes. The first half-wave has an amplitude between the maximum voltage required in the presence of ionization between the electrodes of a spark plug in the ignition system, and between the minimum voltage required in the absence of ionization. The second half-wave has an amplitude exceeding the maximum voltage required. The criterion measured for an ignition of the fuel-air mixture having taken place is whether or not the second ignition spark was generated with the first half-wave of the alternating voltage.

REFERENCES:
patent: 5388560 (1995-02-01), Hisaki et al.
patent: 5503132 (1996-04-01), Miyata et al.
patent: 5592926 (1997-01-01), Miyata et al.

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