POWER GENERATOR
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United States of America Patent
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Issued Date -
Dec 22, 2016
app pub date -
Jun 26, 2014
filing date -
Jul 5, 2013
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Abstract
A power generator 1 includes a magnetostrictive element 10, a fixing member 7 for supporting a proximal end portion of the magnetostrictive element 10, a permanent magnet 6 and a loop forming member 8 fixedly attached to the fixing member 7 through the permanent magnet 6. The power generator 1 is used in a state that the fixing member 7 is fixedly attached to a housing of a vibrating body generating vibration or the like. The magnetostrictive element 10 is supported by the fixing member 7 so that a distal end portion of the magnetostrictive element 10 can be displaced with respect to the proximal end portion of the magnetostrictive element 10. The loop forming member 8 is arranged so as not to interfere with the magnetostrictive element 10 when the distal end portion of the magnetostrictive element 10 is displaced with respect to the proximal end portion of the magnetostrictive element 10. Further, the loop forming member 8 forms a loop in cooperation with the magnetostrictive element 10 and the fixing member 7 so that lines of magnetic force generated from the permanent magnet 6 return back to the permanent magnet 6 after circulating in the loop.
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