Variable load, high vacuum shaft bearing test apparatus

Details Variable load, high vacuum shaft bearing test apparatus Variable load, high vacuum shaft bearing test apparatus

1976-04-29

1978-01-03

Goldstein, Herbert

Measuring and testing

Frictional resistance, coefficient or characteristics

G01M 1304

Patent

active

040659569

ABSTRACT:
An apparatus has a rotatable shaft driven within a vacuum chamber through a magnetic clutch. A mounting block is carried on a test bearing adjacent one end of the shaft and is restricted from rotating with the shaft by a friction torque measuring device engaged therewith. The block is subjected to axial and radial loads which are adjustably variable during testing by control devices located outside the vacuum chamber and connected to the mounting block by traction linkages passing through seals in the chamber walls. The test bearing is heated inductively; cooling discs and a reservoir are provided on and adjacent the shaft. Vibration measuring and visual observation devices are also disclosed.

REFERENCES:
patent: 2539578 (1951-01-01), Headley
patent: 2867113 (1959-01-01), Mims
patent: 3010307 (1961-11-01), Schwegler
patent: 3178928 (1965-04-01), Howe
patent: 3225587 (1965-12-01), Gordon
patent: 3375699 (1968-04-01), Lindeman
patent: 3469437 (1969-09-01), Reece
patent: 3685342 (1972-08-01), Gordon
patent: 3939690 (1976-02-01), Kuss
Harris "Lubricant's for Space" in Mechanical Engineering, 4/70, pp. 24-29.

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