F - Mech Eng,Light,Heat,Weapons – 02 – M
Patent
F - Mech Eng,Light,Heat,Weapons
02
M
F02M 37/00 (2006.01) F02D 19/06 (2006.01) F02M 43/00 (2006.01) F02M 55/00 (2006.01)
Patent
CA 2717149
The invention relates to an arrangement and method for a combustion engine with direct injection and in particular to switching between two types of fuel. A high-pressure pump (10) is connected to a combustion engine and the high-pressure rail for the direct injection of a fuel. At least two fuel storages (21,27) containing petrol and liquefied gas are present. The arrangement allows for switching from one fuel to another. Switching occurs by purging a fuel from the high-pressure pump (10) and the fuel supply line connected thereto by temporarily collecting the fuel in a purge unit (28). The purge unit (28) is arranged for purging the high-pressure pump (10), thus forcing out the prevailing fuel and replacing it with the new fuel.
L'invention concerne un agencement et un procédé pour un moteur à combustion avec injection directe et, en particulier, une commutation entre deux types de carburant. Une pompe haute pression (10) est reliée à un moteur à combustion et à la rampe haute pression pour l'injection directe d'un carburant. Au moins deux stockages de carburant (21, 27) contenant de l'essence et du gaz liquéfié sont présents. Lagencement permet la commutation d'un carburant à l'autre. La commutation se produit par la purge d'un carburant de la pompe haute pression (10) et de la ligne d'alimentation en carburant reliée à celle-ci en captant temporairement le carburant dans une unité de purge (28). L'unité de purge (28) est agencée pour purger la pompe haute pression (10), forçant ainsi à sortir le carburant prédominant et le remplaçant par le nouveau carburant.
Jaasma Servatius Alfons Maria
Van Eijck Piet
Gowling Lafleur Henderson Llp
Vialle Alternative Fuel Systems B.v.
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