Internal combustion engine

Details Internal combustion engine Internal combustion engine

2006-12-26

2006-12-26

Kwon, John T. (Department: 3747)

Internal-combustion engines

Precombustion and main combustion chambers in series

C123S262000

Reexamination Certificate

active

07152572

ABSTRACT:
A high thermal efficiency lean-burn spark-ignition two or four stroke engine operable unthrottled suitable for vehicles using gasoline. It uses an indirect combustion chamber and a transfer orifice aligned to produce a jet of air moving in helical swirl motion around the chamber during the compression stroke. Fuel is injected into the chamber aimed into the air jet to assist rapid vaporization. The position and orientation of the fuel injector ensures that fuel arrives near the spark plug even under idling conditions and the helical swirl flow ensures the stratification of the ignitable mixture formed near the plug.

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