Internal-combustion engines – Precombustion and main combustion chambers in series – Having specific connecting passage means between...
Patent
1989-11-20
1991-11-26
Argenbright, Tony M.
Internal-combustion engines
Precombustion and main combustion chambers in series
Having specific connecting passage means between...
123293, F02B 1902
Patent
active
050674587
ABSTRACT:
A fuel combustion system for an Otto-cycle internal combustion engine including a main combustion chamber and an auxiliary combustion chamber. Timing of ignition is effected by opening a control valve device during a latter portion of the compression phase which permits a pressurized combustible mixture to flow from the main combustion chamber and into the auxiliary combustion chamber where the combustible mixture therein is ignited. Hot burning gases emanating from the auxiliary combustion chamber through a suitable directing device provide single or multiple and penetrating sources of ignition for the bulk of the combustible mixture present in the main combustion chamber. This arrangement provides a very reliable and long life ignition system for Otto-cycle engines and is especially advantageous for engines whichburn a relatively lean combustible mixture.
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Argenbright Tony M.
Caterpillar Inc.
Mates Robert E.
Woloch Anthony N.
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