Internal combustion engine with injection of gaseous fuel

Details Internal combustion engine with injection of gaseous fuel Internal combustion engine with injection of gaseous fuel

2005-01-25

2005-01-25

Argenbright, Tony M. (Department: 3747)

Internal-combustion engines

Combustion chamber means having fuel injection only

Injection of fuel onto igniter, deflector, heater, or atomizer

C123S14500A, C123S299000, C123S305000

Reexamination Certificate

active

06845746

ABSTRACT:
An internal combustion engine comprises a fuel injection nozzle for injecting a gaseous fuel directly into the combustion chamber. Installed in close proximity to the fuel injection nozzle is an ignition device, comprising a sleeve that provides a shielded space around a hot surface igniter. The sleeve restricts flow between the shielded space and the combustion chamber. An inlet opening in the sleeve allows air and fuel to enter the shielded space to form a combustible mixture therein. The sleeve contains a substantial amount of the combustible mixture within the shielded space until it ignites and pressure builds within the shielded space to propel a combustion flame through at least one discharge opening that is oriented to direct the combustion flame into contact with the fuel spray roots emerging from the fuel injection nozzle.

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