Internal combustion engines and control
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 15, 2005
Grant Date -
Jul 31, 2003
app pub date -
Nov 26, 2002
filing date -
Mar 3, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed is an internal combustion engine comprising at least one cylinder with a reciprocating piston to provide said engine with at least one combustion chamber, said combustion chamber further comprising a delivery injector for injecting fuel directly into said combustion chamber, said engine further comprising at least one valved inlet air duct for delivering combustion air into said combustion chamber, wherein at least said inlet air duct and/or its valve is arranged to provide a low tumble inlet port to said at least one combustion chamber, said combustion chamber, in use, having low in-cylinder tumble gas motion of said combustion air and wherein said low in-cylinder tumble gas motion of said combustion air reduces over-enleanment of fuel in end gas regions of said combustion chamber.
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