Spark to flame conversion unit, such as employed with an...

Details Spark to flame conversion unit, such as employed with an... Spark to flame conversion unit, such as employed with an...

2008-07-25

2011-12-13

Vo, Hieu T (Department: 3747)

Internal-combustion engines

Precombustion and main combustion chambers in series

Precombustion chamber assembly inserted in spark plug hole

C123S285000, C123S14300R

Reexamination Certificate

active

08074620

ABSTRACT:
A pre-chamber for use with a spark plug or glow plug, the chamber being secured at an upper end attachable unit associated with an internal combustion cylinder. The pre-chamber is designed to promote faster ionization resulting in more efficient spark to flame ignition (due to voltage buildup being delayed until a generated spark jumps the gap), or beat to flame ignition (due to the introduction temperature of the injected plasma) and, in each instance, results in faster propagation of flame within the compressed cylinder, thereby achieving more efficient and consistent (cycle to cycle) output in combination with lower exhaust temperatures. A plurality of outlet ports are defined, such as perimeter/radially extending fashion, in an outlet end of the pre chamber body and communicate the combusted fuels as a plurality of flame outlets with a remaining volume of atomized fuel within the combustion chamber during a power outlet stroke.

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