Control method and apparatus for gaseous fuelled internal...

Details Control method and apparatus for gaseous fuelled internal... Control method and apparatus for gaseous fuelled internal...

F - Mech Eng,Light,Heat,Weapons

02

B

F02B 7/00 (2006.01) F02B 7/06 (2006.01) F02B 17/00 (2006.01) F02M 21/02 (2006.01) F02M 61/04 (2006.01) F02M 61/06 (2006.01) F02M 61/18 (2006.01) F02M 45/08 (2006.01)

Patent

CA 2406137

Disclosed is a method and apparatus to create an environment within a combustion chamber of an internal combustion engine suitable for auto-ignition and combustion of a fuel that will not otherwise auto-ignite. Under high load conditions a pilot quantity of the fuel is injected in the combustion chamber of an internal combustion engine during the compression stroke of the piston. The quantity and timing of the fuel are chosen to heat an intake charge within the combustion chamber to a temperature at or above the auto-ignition temperature of the fuel by the time required for a main injection of the fuel to drive the piston during the power stroke. Generally, auto-ignition temperatures should be reached at or near top dead center of the piston. Also, disclosed is an injector design to deliver the fuel in manner taught by the method.

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