Controlling emissions from two stroke engines

Details Controlling emissions from two stroke engines Controlling emissions from two stroke engines

F - Mech Eng,Light,Heat,Weapons

02

B

171/18, 123/42

F02B 25/24 (2006.01) F02B 29/08 (2006.01) F02B 33/30 (2006.01) F02D 9/04 (2006.01) F02D 13/02 (2006.01) F02D 21/08 (2006.01) F02D 41/30 (2006.01) F02D 41/32 (2006.01) F02D 41/34 (2006.01) F02D 43/00 (2006.01) F02P 5/15 (2006.01) F02B 61/04 (2006.01) F02B 75/02 (2006.01) F02M 25/07 (2006.01)

Patent

CA 1286557

ABSTRACT Method and apparatus for controlling emissions, particularly of unburnt hydrocarbons, from a two stroke engine. The engine has direct in-cylinder fuel injection and has in the air inlet port and the exhaust port respective devices to control the flow therethrough. The devices are each independently controlled in relation to engine load demand and engine speed to regulate the mass of exhaust gases retained in the combustion chamber. The exhaust flow control device preferably also alters the timing of opening and closing of the exhaust port.

509877

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