Sensitive electrical to mechanical transducer

Details Sensitive electrical to mechanical transducer Sensitive electrical to mechanical transducer

H - Electricity

04

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H04R 11/00 (2006.01) F15B 5/00 (2006.01) G05D 16/20 (2006.01) H01F 7/14 (2006.01)

Patent

CA 2005111

51 SENSITIVE ELECTRICAL TO MECHANICAL TRANSDUCER ABSTRACT OF THE DISCLOSURE A transducer having a cross field polarized permanent magnet mounted for slight pivotal movement within an annular coil winding. The magnet comprises neodymium-iron-boron to provide a compact, lightweight, low inertia and high intensity magnetic field. A magnetic field generated by current in the coil winding influences the permanent magnet to pivot slightly about a horizontal axis and rotate a yoke structure to produce a mechanical output of the transducer. In the preferred embodiment of the invention, the yoke is attached to a spring arm for controlling escape gas pressure from a nozzle to thereby control the pressure of a gas stream.

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