G - Physics – 01 – M
Patent
G - Physics
01
M
G01M 99/00 (2011.01) G01R 31/34 (2006.01)
Patent
CA 2672861
An apparatus for inspection of a gap between two surfaces, at least one of which is ferromagnetic, for example in a generator, comprises a sensor platform (26) for one or more sensors (26a) and an elongated mount (23), which can be moved out, for the sensor platform (26). The mount (23) can be moved in and out of the gap through an access opening, can be moved out over the length of the gap and can be rolled up outside the gap by means of a drive (24). According to the invention, in its moved-out state, the mount (23) has a curvature in a cross section at right angles to its longitudinal extent. In addition, the mount (23) has a plurality of magnets (27), by means of which the mount (23) is brought into contact with a ferromagnetic surface. The magnets (27) are attached to the side of the mount (23) facing away from the ferromagnetic surface, ensuring that the mount (23) slides along a ferromagnetic surface. The apparatus allows inspection of gaps from a height of 4 mm and is distinguished by a simple and physically small design.
Erni Josef
Honold Simon
Hugi Niklaus
Isler Philipp
Mark Bernhard
Alstom Technology Ltd
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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