Thrust bearing wear detector positioner

Details Thrust bearing wear detector positioner Thrust bearing wear detector positioner

1980-05-12

1981-12-01

Ruehl, Charles A.

Measuring and testing

Instrument proving or calibrating

Volume of flow, speed of flow, volume rate of flow, or mass...

415 14, 415118, G01M 1304, G01M 1300

Patent

active

043029639

ABSTRACT:
A thrust bearing wear detector is mounted on a positioning apparatus which is capable of moving the sensor a predetermined fixed distance toward and away from a rotating collar fixed to a turbine shaft. The positioning apparatus comprises a fixed piston, a movable piston, and a movable casing in which the pistons are slidable. Additionally, bias means, such as springs, position the pistons and the sensor in a predetermined, fixed position until working fluid is delivered under pressure through channels in the fixed piston. The positioning apparatus of the present invention readily facilitates verification of the proper operation of the wear detector.

REFERENCES:
patent: 3861818 (1975-01-01), Eggenberger
patent: 3989408 (1976-11-01), Jaegtnes
patent: 4193739 (1980-03-01), Lucey

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