Direct injection gaseous fuel engine with ignition assist

Details Direct injection gaseous fuel engine with ignition assist Direct injection gaseous fuel engine with ignition assist

2006-07-18

2006-07-18

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Combustion chamber

Having catalytic cambustion aid

C123S14500A

Reexamination Certificate

active

07077115

ABSTRACT:
An internal combustion engine and a method of operating same are provided with direct injection of gaseous fuel into a combustion chamber and an ignition assist apparatus disposed within the combustion chamber. An ignition assist apparatus disposed within the combustion chamber comprises an electric incandescent ignitor with a sleeve disposed around the ignitor and a catalytic alloy. The catalytic alloy comprises a first catalytic element with a greater affinity for oxygen than that of a second catalytic element, and the second catalytic element having a greater affinity for the fuel than that of the first catalytic element.

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