Dual fuel injection valve

Details Dual fuel injection valve Dual fuel injection valve

F - Mech Eng,Light,Heat,Weapons

02

M

F02M 43/04 (2006.01) F02M 21/02 (2006.01)

Patent

CA 2743043

A dual fuel injection valve with concentric needles comprises an inner needle and an outer needle surrounding the inner needle, both needles being located inside the injection valve body. The valve is provided with a first set and a second set of orifices for separately injecting two different fuels directly into the combustion chamber of an internal combustion engine. The outer needle is fixed against rotation with respect to the injection valve body such that an interlace angle between the centerlines of the first series of orifices and second series of orifices is set at different predetermined angles to reduce methane emissions.

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