| abstract |
A composite additive for liquid fuels is intended for use as an antiknock agent and as a means for decreasing toxicity of exhaust gases in internal combustion engines with fuel economy. The additive comprises ionic compounds of copper and zinc. To decrease wear on the cylinder and position assemblies, the components are taken in proportions sufficient for the formation and renewal of an antifrictional microlayer of brass on the surfaces being worn out under the burning of the fuel charges, with the addition of an organic substance that promotes dissolution of salts of metals in hydrocarbon fuels, such as oxyquinoline, cupferron, neocupferron, an and unspecified chelate compound out of a multitude of aminopolycarboxylic acids. Specifically, zinc is present in amounts ranging from 0.034 to 0.688 mole per mole of copper. Also, the additive can comprise at least one compound selected from the group consisting of compounds of tin, lead, molybdenum tungsten, vanadium, nickel, silver, and zirconium. |