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Bud T. J. Johnson Electrical generator
Hello everyone, I am yet to contribute by making a build of some idea. I have became interested in OU only recently and after skimming through some patents and ideas, only a few of them were in the sweet spot of 1/ convincing me they could work, 2/ i have the capacity to understand and build easily, 3/ if they work, they would be scalable and easily reproducible. And out of all that it was this patent that stuck (Figuera was a close second!).

The patent can be found here:

I already tried to build it, but I am really a novice when it comes to building actual electrical stuff. So I tried and failed.

But there had to be a way to simulate the circuit so I actually know what it does and then get the right parts to assemble it. That is where solarlab gave me a big boost by introducing me to Ansys Maxwell.

Anyway, long story short - this is the design - I applied all the upgrades that are mentioned (steel plates in U shape around the output coil, a magnet for closed coupling - connecting the left and right cores).
It is a simplified version that I tried to build with 3 electromagnets and 1 output coil.

I also made a version with 7 electromagnets and 3 output coils, but I have not been able to get interesting results from that so far.

I'll post more soon.
I don't know much about this device, but I am glad you are here sharing.  

Please keep us posted on your results.
So I made some simulations to publish here.

The model is excited using a sinusoidal current as is visible on      , it is a 0.1*sin(2*pi*1000*t), so 1kHz at 0,1 A. If I simulate the output, it becomes      and the electrical field will look like this      . Notice how it pulses periodically and synchronously.

If I add some initial current to the output winding, in this case 1 mA, the output looks very different      and seems to output much more current, though at around 3V DC. The electrical field moves differently, the maximum on those coils make the letter X     

I found that quite interesting.

I think the gif files do not play. Or at least they don't play in my browser so I will try to attach them. Maybe it will be possible to play them after saving to disk.

Attached Files Thumbnail(s)
Cool, this idea is next on my list. A build photo and some specs would be awesome.
Glad you found the patent worthwhile like me. Unfortunately, I don't have a build of this device yet. I am quite new in building so winding coils, using microcontrollers, H-bridges, using MOSFETs are challenging to me so far. And mainly I didn't know how much of what to buy.

So I made a simulation. The input current is 100 mA, each coil has 1000 turns (he did say a lot of coil turns on the electromagnets Guests cannot see images in the messages. Please register at the forum by clicking here to see images. ) The output generally doesn't look very good. If you want to check the simulation or modify it, I can share the Ansys maxwell project here.

When using square wave excitation nothing interesting happens. Unless I use sinusoidal excitation and set some parameters and by serendipity I get some oscillation that looks like it could do something interesting (as in the last post).

But since it reminds me of Figuera's generator a lot, I looked into that too, and found a lead that explains how time-varying electromagnetic field makes air ions go in a circle (of which there might be infinite amount) and they can be collected at the secondary coil. And there seems to be a way to figure out if that works using a pair of electromagnets, a coil and copper plate or mesh. So I am going to try that first and then see how to take that into account.

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