Power plants – Reaction motor – Method of operation
Patent
1985-12-24
1988-08-30
Terapane, John F.
Power plants
Reaction motor
Method of operation
60264, 252321, 252 70, 523138, 239 8, F02K 304, C09K 318, B01D 702
Patent
active
047667257
ABSTRACT:
A method of suppressing the formation of contrails from the exhaust of an engine including the steps of providing a solution of a non-corrosive surfactant in a combined carrier and nucleating agent selected from the group of water soluble monohydric, dihydric, trihydric or other polyhydric alcohols, forming the solution into a vapor, and injecting the solution into the exhaust of the engine. The solution may include by weight between about 0.01% to 2.5% of the non-corrosive surfactant, between about 1% and 8% water, and between about 85% and 99% ethylene glycol. Another solution may include by weight a monohydric, dihydric or polyhydric alcohol in an amount of between about 85% and 99% and the non-corrosive surfactant in an amount of between about 0.01% and 8%. Still another solution may include an inorganic nucleating or hygroscopic salt, such as ammonium iodide, ammonium fluoride, silver iodide or calcium chloride in monohydric, dihydric or polyhydric alcohols and surfactant mixtures.
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Merck Index, 10th ed., Definitions of Ammonium Chloride and Calcium Chloride.
Gastel Joseph P.
Kilby Catherine S.
Scipar, Inc.
Terapane John F.
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