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The piezoelectric-magnetic hammer

Started by Rapadura, February 22, 2010, 01:44:16 PM

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Rapadura

#10
March 29, 2010, 04:11:01 PM

Mini Piezo Generators Make more than 0.5 milliwatt with Random Ambient Vibrations:

http://www.sciencedaily.com/releases/2010/03/100323105952.htm

http://www.physorg.com/news188569711.html

0.5 milliwatt just with random ambient vibrations? How much power this piezo can generate being hit by a hammer???

onthecuttingedge2005

#11
March 29, 2010, 06:19:52 PM
I think one could just take some soft Iron powder and mix it with Piezoelectric powder, say, 50/50 ratio, then form some toroid out of it so that winding can be applied, the electromagnetic winding would cause the toroid to deform enough to cause the piezoelectric powder to discharge a spark of high voltage.

pretty simple.
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