Gasoline internal combustion engine

Details Gasoline internal combustion engine Gasoline internal combustion engine

1998-02-23

1999-06-29

Kamen, Noah P.

Internal-combustion engines

Igniters

Sparkers

123305, F02P 1504

Patent

active

059153490

ABSTRACT:
In a gasoline internal combustion engine with direct fuel injection a spark plug with a center electrode is mounted in the cylinder top so as to project into the combustion chamber. A mass electrode is disposed on the piston so as to project upwardly into the combustion chamber and is movable with the piston toward and from the spark plug center electrode. An ignition system is provided for timely generating a spark between the spark plug electrode and the movable mass electrode for igniting a fuel/air mixture in the combustion chamber. A fuel injector is mounted in the cylinder top and adapted to provide a cone-like fuel beam with an envelope disposed between the spark plug electrode and the mass electrode such that a spark generated between the two electrodes extends through the fuel injection beam envelope.

REFERENCES:
patent: 4774914 (1988-10-01), Ward
patent: 4848287 (1989-07-01), Gillbrand et al.
patent: 5503133 (1996-04-01), Trigger
patent: 5590629 (1997-01-01), Codina et al.

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