Device for detecting the operation of a valve

Details Device for detecting the operation of a valve Device for detecting the operation of a valve

1983-06-20

1986-02-11

Cohan, Alan

Fluid handling

With indicator, register, recorder, alarm or inspection means

Position or extent of motion indicator

137797, 92 5R, 116277, F16K 3700

Patent

active

045693650

ABSTRACT:
Device for detecting the operation of a valve, comprising a movable member (15) connected kinematically to a movable part (6) fastened to the closure member of the valve. A detector (24, 25, 26) makes it possible to monitor the displacements or the position of the detection member (15). The detection member (15) has at least one part provided with a predetermined breaking point (20). The kinematic connection between the valve and the detection member (15) can thus be interrupted by the breaking of the member (15) in the event of the jamming of the latter. The invention is in particular applicable to safety valves in nuclear power stations.

REFERENCES:
patent: 3565089 (1971-02-01), Thompson
patent: 3837357 (1974-09-01), Slaughter, Jr.
patent: 3916946 (1975-11-01), Motzer
patent: 4194528 (1980-03-01), Kepler
patent: 4207564 (1980-06-01), Isakson et al.

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