Process and fuel for spark ignition engines

Details Process and fuel for spark ignition engines Process and fuel for spark ignition engines

1995-09-14

1997-05-27

Medley, Margaret

Fuel and related compositions

Liquid fuels

Organic oxygen compound containing

123 1A, C10L 300, C10L 118

Patent

active

056327862

ABSTRACT:
A method is described for operating a spark ignition internal combustion engine utilizing an improved composition containing dimethyl ether and propane as fuel. An engine incorporating the invention produces a lesser amount of certain atmospheric pollutants, such as carbon monoxide and unburned hydrocarbons, as compared to the amount of pollutants produced when the engine is operated at identical conditions with propane as fuel. Also described is an improved fuel composition which exhibits a lower vapor pressure than, for example, propane and, therefore, is relatively easier to liquefy and transport.

REFERENCES:
patent: 1565933 (1925-12-01), Harris
patent: 1990499 (1935-02-01), Odell
patent: 2469751 (1949-05-01), Sweeney
patent: 2948595 (1960-08-01), Orr
patent: 2951750 (1960-09-01), White
patent: 3361544 (1968-01-01), Kaiser, Jr.
patent: 4177040 (1979-12-01), Kaiser, Jr.
patent: 4743272 (1988-05-01), Weinberger
patent: 4892561 (1990-01-01), Levine
Article by X. Wang entitled: Developments and Applications of Ether-based Fuels, reportedly published in Natural Gas Chemical Industry, vol. 19 No. 6 (1994), pp. 45-49 month unknown.

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