Silicone traction fluids

Details Silicone traction fluids Silicone traction fluids

1983-11-28

1986-03-25

Shaver, Paul F.

Machine element or mechanism

Gearing

Toothed gear and recirculated unconnected elements

556450, 556455, F16H 1508

Patent

active

045775230

ABSTRACT:
Polyorganosiloxane traction fluids which contain significant amounts of mono-organosiloxane units are described. Specifically, the disclosed polyorganosiloxane traction fluids contain 7 to 45 weight percent siloxane units of formula [RSiO.sub.3/2 ], 40 to 90 weight percent of siloxane units of formula [R.sub.2 SiO], and 0 to 20 weight percent of siloxane units of formula [(CH.sub.3).sub.3 SiO.sub.1/2 ] where the molar ratio of [R.sub.3 SiO.sub.1/2 ] units to [RSiO.sub.3/2 ] units is less than 1 and where R is either cyclohexyl radicals, phenyl radicals, and/or methyl radicals. The polyorganosiloxane traction fluids of this invention are particularly well suited for use in traction drive systems and transmissions subject to wide operating temperature conditions.

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patent: 4357252 (1982-11-01), Huber et al.
F. G. Rounds, "Effect of Lubricant Composition on Friction as Measured with Thrust Ball Bearings", J. Chem. Engn. Data, 5, 499 (1960).
R. L. Green et al., "Lubricants for Traction Drive", Mach. Design, 46, 108 (1974).
"Base Fluids" in Functional Fluids for Industry, Transportation and Aerospace, Ranney (Ed), Noyes Data Corp., Park Ridge, N.J. (1980).

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