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stirling engine

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DMIOM:

--- Quote from: woodguy on November 11, 2011, 08:21:26 PM ---Ecofans are not powered by stirling engines but by a small electric motor using power generated by a thermocouple........
--- End quote ---

I've never seen an "Ecofan" but if they're operated by an electric motor, I suspect its not powered by a thermocouple.   Thermocouples/thermopiles can source a small voltage, but I think its more likely that they use a Peltier effect module.

Dave

woodguy:
That's exactly what they are.

http://www.ebay.ca/itm/CARFAMO-ECOFAN-REPLACEMENT-THERMOELECTRIC-TEG-MODULE-/280435145417?pt=LH_DefaultDomain_0&hash=item414b3cbac9

Brass_Machine:
I have a few of those down in the shop from when my nephew was into keeping CPUs as cool as possible.

hmmmm....

Eric

David Morrow:
Google "Moriya stirling fan ".  I built one although I did make a bunch of changes to non-critical parts of the plan. Scroll down here and you'll see mine :

http://www.ldrider.ca/cnc/cnc-index.htm

daz:
Nice looking stirling fan you have there, some really neat projects on your other pages too, I'm only dreaming of those standards at present. I managed to get some plans for the Moriya and have started the build. I like the idea of the round displacer body, it could save me a lot of machining as I only have 2.5" round aluminium and I wasn't looking forward to machining it all square!
What diameter is it?

cheers
daz

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