Self-orienting conduit probe.

摘要

A probe (10) for scanning the interior of a curved conduit (28) has a carrier (12) with a rotatable portion (12b). Sensor means (18) are secured to the rotatable portion (12b) and are aligned with respect to the curvature of the conduit by means of an elongated flat strip (20), secured to the rotatable portion (12b) and extending longitudinally therefrom. Driving means (14) is provided to urge the probe (10) longitudinally through the conduit (28).