Magneto-elastic transducer

Details Magneto-elastic transducer Magneto-elastic transducer

G - Physics

01

L

73/70

G01L 1/12 (2006.01) G01B 7/24 (2006.01) G01G 19/12 (2006.01)

Patent

CA 1053028

Title of the Invention MAGNETO-ELASTIC TRANSDUCER Abstract of the Disclosure A transducer for magneto-elastic stress measurement is formed of a holder and a core of magneto-elastic material provided with coils to generate a flux in and sense flux alterations produced by stresses of the core. The core is formed of one or more plates firmly attached to the holder and designed to be attached to the measuring object. The core may consist of a single plate attached to the holder at four symmetrical points, or of a cross having four arms the ends of which are welded to a frame of magnetic material which is secured to the holder. The holder may also be in the form of a casing of magnetic material which protects the core and coils and serves as a magnetic return path for the fluxes. For applica- tions where disturbing magnetic fields may occur in the measuring object, the casing is preferably made of non-magnetic material and provided with a frame of magnetic material as a return path for the flux.

240143

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