A sensor system for an in-line inspection tool

An in-line pipe inspection tool, (10, figure 1) has a sensor carrier 34 carrying a plurality of sensors (30, figure 2) for monitoring the pipe. In order to permit the sensor carrier 34, and hence the sensors, to conform to changes in the diameter of the pipe being inspected, the sensor carrier 34 is...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	PETER HOULDEY, CHRISTOPHER ENVY
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MEASURING MECHANICAL ENGINEERING PHYSICS PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	An in-line pipe inspection tool, (10, figure 1) has a sensor carrier 34 carrying a plurality of sensors (30, figure 2) for monitoring the pipe. In order to permit the sensor carrier 34, and hence the sensors, to conform to changes in the diameter of the pipe being inspected, the sensor carrier 34 is a part cylindrical body which is resiliently flexible. However, to stop one part of the sensor carrier 34 twisting torsionally relative to another part, a bracing unit 54 is fixed to one part of the sensor carrier 34 and engages at least one other part of the sensor carrier 34 to resist said torsional twisting. The bracing unit 54 may comprise two rigid arms 56 joined together by a hinge 58. A dip 62 may be provided at each end of the arms 56, which can slide along the sensor carrier 34 (see figure 6).