Fuel and related compositions – Liquid fuels – Aluminum or heavy metal – other than lead – containing
Patent
1979-02-09
1980-12-30
Howard, Jacqueline V.
Fuel and related compositions
Liquid fuels
Aluminum or heavy metal, other than lead, containing
44 66, 44 70, 44 77, C10L 118
Patent
active
042420997
ABSTRACT:
An anti-wear compression ignition fuel for use in diesel engines comprising (1) a monohydroxy alkanol having from 1 to 5 carbon atoms, and (2) a wear inhibiting amount of a C.sub.12 to C.sub.30 hydrocarbyl succinic acid or anhydride, e.g. tetrapropenyl succinic acid. Optionally, said fuel composition may also contain an ignition accelerator such as an organic nitrate.
It has recently been disclosed in Brazilian Patent Application No. P17700392 that alcohols, such as methanol and ethanol, can be substituted for conventional petroleum derived diesel fuels for burning in diesel engines, when used in combination with an ignition accelerator, such as ethyl nitrate or nitrite. Reportedly, the addition of alkyl nitrate or nitrite accelerators to the alcohol achieves a level of auto-ignition sufficient to operate in diesel engines. Unfortunately, these fuel compositions, devoid of any petroleum derived products, are notably deficient in lubricity or lubricating properties with the result that engine wear from the use of these fuels in internal combustion reciprocating diesel engines is a serious problem. Of particular concern are wear problems associated with the fuel injector mechanism used in such engines. Wear problems have also been encountered in diesel engines operating on light diesel fuel oils as disclosed in U.S. Pat. No. 4,002,437.
REFERENCES:
patent: 2934048 (1960-04-01), Young
patent: 3234131 (1966-02-01), Morway
patent: 3288714 (1966-11-01), Osuch et al.
patent: 3687644 (1972-08-01), Delafield et al.
patent: 4002437 (1977-01-01), Broechx et al.
patent: 4128403 (1978-12-01), Hornen
English Translation of Brazilian Patent Application No. P17700392.
Ethyl Corporation
Howard Jacqueline V.
Johnson Donald L.
Montgomery Willard G.
Odenweller Joseph D.
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