Shock absorber fluid composition and shock absorber containing s

Details Shock absorber fluid composition and shock absorber containing s Shock absorber fluid composition and shock absorber containing s

1985-04-08

1987-01-06

Lieberman, Paul

Compositions

Heat-exchange, low-freezing or pour point, or high boiling...

Organic components

1883225, 252 325, 252 496, 252 498, 252 499, 252 781, C10M12900, C10M13304, C10M13704, C10M14112

Patent

active

046345434

ABSTRACT:
A fluid composition for use in a shock absorber is described, comprising (a) a lubricating base oil, (b) 10 to 1,000 ppm, as calculated as boron, of a boron-containing compound, and (c) 100 to 3,000 ppm, as calculated as phosphorus, of phosphoric acid ester and/or phosphorous acid ester. The invention also provides a shock absorber containing said fluid composition as the shock absorber fluid. This shock absorber has the advantage of high abrasion resistance and a low coefficient of friction of movement of the movable parts relative to the stationary parts therein.

REFERENCES:
patent: 1821787 (1931-09-01), Black
patent: 3215720 (1965-11-01), Atwood et al.
patent: 3496104 (1970-02-01), Shimada et al.
patent: 4080303 (1978-03-01), Friihauf et al.
patent: 4085054 (1978-04-01), Bussi et al.
patent: 4176076 (1979-11-01), Waldstein
patent: 4226734 (1980-10-01), Schuster

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