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Sequencing / Indexing Valve

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Uploaded by on May 4, 2011

This is a custom built sequencing valve that is currently being used in a greenhouse aquaponic system.

Please subscribe to this channel to see future videos about these inventions. For more info, see my blog at http://web4deb.blogspot.com or http://www.BigelowBrook.com .
Join us on Facebook at http://Facebook.com/BigelowBrook

Similar valves can be found at http://www.AquaponicLynx.com

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Uploader Comments (web4deb)

  • Fantastic! Good on you for sharing your designs. Patents just block other people from innovating anyway, and given the current global economic situation aquaponics is a technology that needs promoting not blocking. I don't know US IP laws, but would it be cheaper to get a 'creative commons' on the design? This would at least stop somebody else patenting it and ensure the design remains free to use.

  • @timmit59 Once a design is put into the public domain it cannot be patented. However if someone is stupid enough to go through the expense of doing it, it can be easily challenged (and voided).

  • I suggest when you upgrade your selector next time, replace the wheeled micro switches with optical slot detectors.  That eliminates moving parts and they will never wear out. You may need to modify your rotating disks to have a slot in them in addition to the the ramp. Something like DigiKey part OR529-ND.

  • @mozul Good idea.  But for $25 vs. a 2 dollar switch, I'll just replace the switch every 2 years. ;-)

  • great work thanks for sharing, shame about the patent. Looking forward to seeing more vids on your geodesic greenhouse. Taz from BYAP.

  • @bigamejames1 Over 10 grand these days to cover a US patent...you have to sell a boatload to cover the costs. The next video is in the works....got a lot of mud in the area I'm wading through....

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  • You remind me of my dad when he was in construction in his early days. Not afraid of some hard work. I wish he would have had your knowledge of aquaponics back then, we would all have grown much healthier bodies. lol. Thank you for sharing your know how, the world would be a much better place if all proceeded this way. Take care, God bless +

  • well done, very simplistic mechanical solution. I love it, thanks so much for sharing

  • @uteplats Printing it would be cool....probably expensive. These are just chucks of scrap poly I got from a tank manufacturer and cut the pieces with a hole saw or by hand.

  • Very nice solution, well done! I did wonder about how you managed to get the connections sealed when I saw your first video. Pity about the patent, the patent system is what it is...

    I wish I could afford one of those 3D-printers, MakerBots or whatever they're called, this would be a fun project to print. It looks like you could print the entire thing except the central screw and the tubing. Perhaps it's a bit too large, though. Anyways, good job!

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