Fuel system for internal combustion engines

Details Fuel system for internal combustion engines Fuel system for internal combustion engines

F - Mech Eng,Light,Heat,Weapons

02

B

123/41

F02B 47/00 (2006.01)

Patent

CA 1202536

-29- ABSTRACT A system for modifying and utilizing hydro- carbon fuels in the operation of internal combustion engines wherein increased fuel efficiency and reduction in amount of polluting products of combustion produced are realized. Hydrocarbon fuels normally entirely con- sumed in the operation of internal combustion engines are modified by separating lighter, highly volatile frac- tions of a paraffinic and ultrafast burning nature from the fuels and utilizing substantially only the lighter fractions for fueling the internal combustion engine, with the heavier fractions being stored separately from the original hydrocarbon fuel source. The ligher frac- tions permit operating the engine with a lean fuel mix- ture having a higher than stoichiometric air-to-fuel ratio, thereby better accomodating the characteristic intermittent fuel demand of the operator, reducing the production of undesirable nitrogen oxides, permitting the engine to operate at reduced operating temperatures and prologning the useful life of engine components.

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