Device for detecting the end of a sleeve arranged in a tube, and

Details Device for detecting the end of a sleeve arranged in a tube, and Device for detecting the end of a sleeve arranged in a tube, and

1991-04-29

1992-10-20

Haroian, Harry N.

Geometrical instruments

Gauge

Internal

33502, G01B 712

Patent

active

051559200

ABSTRACT:
The detection device comprises a support to be introduced concentrically into the tube, a feeler mounted on the support for movement between a position of rest in which it projects radially beyond the inner wall of the sleeve, and a position retracted inwards in relation to the wall, the feeler being resiliently biased towards its position of rest, and a sensor of the position of the feeler. The invention is used for fitting a tube of a steam generator of a pressurized-water nuclear reactor with a sleeve.

REFERENCES:
patent: 1893600 (1933-01-01), Shull
patent: 3139686 (1964-07-01), Brandon
patent: 3898741 (1975-08-01), Casey
patent: 4235020 (1980-11-01), Davis et al.

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