Apparatus for measuring anti-wear properties of pressurized liqu

Details Apparatus for measuring anti-wear properties of pressurized liqu Apparatus for measuring anti-wear properties of pressurized liqu

1979-06-04

1980-10-21

Goldberg, Gerald

Measuring and testing

Frictional resistance, coefficient or characteristics

Lubricant testing

G01N 356, G01N 1902

Patent

active

042286743

ABSTRACT:
A testing device for determining the lubrication properties of hydraulic ids under elevated pressures and temperatures comprises a pressure-tight housing defining a central cavity including a continuous passageway for the fluid, a chuck assembly located within the cavity which holds a plurality of test balls in fixed position, a rotatable support structure securing an upper ball in centrally disposed contact with the test balls, and a screw-threaded adjustment adapted to move the chuck assembly to apply pressure between the test balls and the upper ball. The present testing device is of simple and inexpensive construction and reduced size, and provides data respecting the test fluids which accurately reflects actual working conditions.

REFERENCES:
patent: 2019948 (1935-11-01), Boerlage
patent: 2370606 (1945-02-01), Morgan et al.
patent: 3045471 (1962-07-01), Chapman et al.
patent: 3302447 (1967-02-01), Mertway et al.
patent: 3939690 (1976-02-01), Kuss et al.

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