Mineral oils: processes and products – Products and compositions – Fuels
Patent
1990-08-15
1991-05-14
Myers, Helane E.
Mineral oils: processes and products
Products and compositions
Fuels
208 17, 585 14, 123 557, 44451, C10L 109
Patent
active
050153560
ABSTRACT:
A liquid hydrocarbon gasoline is provided by removing both the volatile and non-volatile components from C.sub.4 -C.sub.12 gasoline to yield either a C.sub.6 -C.sub.9 or C.sub.6 -C.sub.10 intermediate gasoline. The intermediate gasoline of this invention can be combusted in a standard carbureted engine with less C.sub.4 and/or C.sub.5 priming than is required in standard C.sub.4 -C.sub.12 gasoline, and thus provides adequate cold engine starting ability with lower Reid Vapor Pressure. The C.sub.6 -C.sub.9 and C.sub.6 -C.sub.10 fuel can be combusted in a modified engine without any priming by gasifying the fuel. The fuel is gasified by heating it in a chamber in the absence of air; mixing the gas with air and then combusting the mixture. The gasified fuel is advantageous because it doesn't condense into droplets and thereby is combusted more completely in the gaseous state enhancing combustion efficiency. The fuels of this invention better facilitate alcohol addition than current gasolines because of their lower Reid Vapor Pressures.
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