System and method of optimizing fuel injection timing in a...

Details System and method of optimizing fuel injection timing in a... System and method of optimizing fuel injection timing in a...

F - Mech Eng,Light,Heat,Weapons

02

M

F02M 59/26 (2006.01) F02M 57/02 (2006.01)

Patent

CA 2544927

Systems and methods for reducing engine emissions in a locomotive are presented. In an embodiment, a fuel injector or a fuel injection pump of a fuel injection mechanism includes a plunger (110) with an upper helix (180) whose angle changes between points on the plunger (110) that correspond to an idle throttle position and a full throttle position. As such, injection timing is optimized, and engine emissions are reduced.

Cette invention se rapporte à des systèmes et à des procédés pour réduire les émissions du moteur dans une locomotive. Dans un mode de réalisation, un injecteur de carburant ou une pompe d'injection de carburant d'un mécanisme d'injection de carburant comprend un plongeur (110) avec une hélice supérieure (180) dont l'angle varie entre des points sur le plongeur (110) qui correspondent à une position de ralenti et à une position de plein régime. Ainsi, l'avance à l'injection est optimisée et les émissions du moteur sont réduites.

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