Internal combustion engine with direct injection

Internal-combustion engines – Combustion chamber means having fuel injection only – Having a particular relationship between injection and...

Reexamination Certificate

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C123S1690EA, C123S1690EB

Reexamination Certificate

active

06848415

ABSTRACT:
A four-stroke reciprocating-piston internal combustion engine includes a fuel injection device, which is arranged centrally in a combustion space and which introduces the fuel in the form of an injection cone into the combustion space, and includes at least one spark plug for each combustion space, the electrodes of which spark plug are arranged at the edge of the injection cone. At least two spark plugs are provided, of which the second spark plug has a markedly higher spark gap than the first spark plug.

REFERENCES:
patent: 5327864 (1994-07-01), Regueiro
patent: 197 30 908 (1999-01-01), None
patent: 199 19 642 (2000-11-01), None
patent: 10-30442 (1998-02-01), None
patent: 11-82029 (1999-03-01), None

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