Tesla valve: print in one piece one way valve
by mymakerblog, published
My version of a one way valve with no moving parts invented by Nicola Tesla. Prints in one piece with no support material. It's still a work in progress. The first version only kind of works. You can find out more at my blog:
Update:Ugh, the second version I uploaded, might have been upside down. :(
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Yeah, I was thinking that perhaps a better design would be to use apparent centrifugal force to create a one way valve. Kind of like this:
I’ve tried printing a two part valve available here at thingiverse and glue it together.
It seemed to have more flow resistance in the free flow inlet direction than in the blocking direction...
I also tried to design a "new" Tesla like structure, but it had the same problem, the flow resistance/back pressure seemed higher in the wrong direction.
None of them had any very significant back pressure difference.
Btw. I printed mine laying down
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