Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1984-07-11
1985-02-05
Ward, Robert S.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277 81R, 277237R, F16J 1534
Patent
active
044974930
ABSTRACT:
A method of monitoring the wear of the sealing faces of a mechanical face seal comprising; positioning a probe radially of the axially moveable seal face member of the seal or a component which moves axially with the seal face member; producing a signal which is directed radially outwardly from the surface of the seal face member or component so that it may be picked up by the probe; and arranging the surface of the seal face member or component such that there is a change in signal, indicative of the wear on the sealing faces, as the seal face member moves axially with respect to the probe.
REFERENCES:
patent: 4424973 (1984-01-01), Heilala
Kemp John
Sall Surinderpal S.
Crane Packing Limited
Ward Robert S.
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