Ignition device for internal combustion engines

Details Ignition device for internal combustion engines Ignition device for internal combustion engines

1984-11-20

1987-06-16

Wolfe, Jr., Willis R.

Internal-combustion engines

Igniters

123169E, 123652, 123620, F02P 306

Patent

active

046729283

ABSTRACT:
The invention teaches an ignition device for internal combustion engines, comprising at least one spark gap with two ignition electrodes for generating ignition sparks between them, whereby neither of the two ignition electrodes is connected to the ground potential of the internal combustion engines; an ignition current source which is coupled to the ignition electrodes, insulated from ground, to generate the sparks, and forming an ignition circuit therewith; a voltage source, which has one pole at ground, while its other pole is connected to the ignition circuit, so that the ignition circuit is at the same potential as the voltage source and a separate plasma circuit is formed which comprises the voltage source, at least one of the two electrodes, a plasma composed of hot combustion gases between the ignition electrodes and ground, in a series circuit; and means in the plasma circuit which deliver an output pulse corresponding to the strength and time pattern of the current in the plasma circuit.

REFERENCES:
patent: 4380989 (1983-04-01), Takaki
patent: 4407259 (1983-10-01), Abo
patent: 4557229 (1985-12-01), Kashima et al.

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