Internal combustion engine having deceleration fuel shut off...

Details Internal combustion engine having deceleration fuel shut off... Internal combustion engine having deceleration fuel shut off...

F - Mech Eng,Light,Heat,Weapons

02

M

F02M 59/20 (2006.01) F01L 1/34 (2006.01) F02D 13/00 (2006.01) F02D 13/06 (2006.01) F02D 41/00 (2006.01) F02D 41/12 (2006.01) F02M 59/36 (2006.01) F02M 63/02 (2006.01)

Patent

CA 2287669

A reciprocating internal combustion engine using poppet valves, valve timing control and fuel injection, cuts off fuel during engine deceleration and controls valve timing such that charge is trapped in the engine cylinders while the fuel is shut off. As such, catalytic aftertreatment devices are neither cooled nor saturated with oxygen and engine fuel economy is improved.

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