Compositions – Heat-exchange – low-freezing or pour point – or high boiling... – Organic components
Patent
1993-02-26
1995-01-17
Medley, Margaret
Compositions
Heat-exchange, low-freezing or pour point, or high boiling...
Organic components
252 325, 252 498, 252 56S, 252 56D, 252 77, 252 781, 252 785, 252 79, C10M10502, C10M10574, C10M14110
Patent
active
053823745
ABSTRACT:
Hydraulic fluids for automobile suspensions are described. They contain, as a base oil, a mixed oil which in turn contains 70-90 wt. % of an olefin oligomer and 10-30 wt. % of a diester obtained by condensation of an aliphatic dibasic acid having 4-14 carbon atoms and an alcohol having 4-14 carbon atoms. The hydraulic fluids also comprise a phosphate ester friction modifier to improve the friction characteristics and antiwear characteristics in an initial stage and at least one friction modifier selected from the group consisting of phosphite esters and phosphoric ester amine salts to retain low friction characteristics over a long period of time.
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Akiyama Kenyu
Ichikawa Syoichi
Ohashi Hiroshi
Takemitsu Koji
Medley Margaret
Tonen Corporation
Toyota Jidosha & Kabushiki Kaisha
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