Two stroke homogenous charge compression ignition engine with pulsed air supplier

Patent · Tue Aug 05 00:00:00 EDT 2003

OSTI ID:969034

Clarke, John M ^[1]

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1. Chillicothe, IL

A two stroke homogenous charge compression ignition engine includes a volume pulsed air supplier, such as a piston driven pump, for efficient scavenging. The usage of a homogenous charge tends to decrease emissions. The use of a volume pulsed air supplier in conjunction with conventional poppet type intake and exhaust valves results in a relatively efficient scavenging mode for the engine. The engine preferably includes features that permit valving event timing, air pulse event timing and injection event timing to be varied relative to engine crankshaft angle. The principle use of the invention lies in improving diesel engines.

• Research Organization: Caterpillar Inc., Deerfield, IL (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: FC05-97OR22605
• Assignee: Caterpillar Inc (Peoria, IL)
• Patent Number(s): 6,601,549
• Application Number: 10/029,418
• OSTI ID: 969034
• Country of Publication: United States
• Language: English