Direct-injection spark-ignition internal combustion engine

Details Direct-injection spark-ignition internal combustion engine Direct-injection spark-ignition internal combustion engine

2006-12-05

2006-12-05

Solis, Erick (Department: 3747)

Internal-combustion engines

Combustion chamber means having fuel injection only

Combustible mixture stratification means

C123S298000, C123S305000

Reexamination Certificate

active

07143738

ABSTRACT:
In a direct-injection spark-ignition internal combustion engine having one injector per cylinder for injecting fuel into a combustion chamber, wherein the injector has an injection nozzle with a plurality of injection holes which are distributed over its circumference, so that the jets of fuel from the injection holes form during an injection process a conical cloud of fuel, the piston opposite the injection nozzle includes a piston recess provided with a plurality of radial cavities extending from the recess radially into the piston head for receiving fuel injected into the combustion chamber.

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