Non-Aqueous Heat Transfer Fluid With Reduced Low Temperature Viscosity
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United States of America Patent
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Oct 8, 2015
app pub date -
Mar 31, 2015
filing date -
Apr 2, 2014
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Abstract
Non-aqueous heat transfer fluids or engine coolants for internal combustion engines comprised primarily of ethylene glycol, a glycol that exhibits supercooling. The fluids are further comprised of 1,3 propanediol and/or diethylene glycol which also exhibit supercooling. The combinations expand the Low Temperature Operating Limit of the ethylene glycol, while avoiding the extent of the viscosity increase imposed by the use of 1,2 propanediol for the same purpose.
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