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Pulser pump: pumping with ZERO moving parts!

 
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http://www.youtube.com/watch?v=_nFh_M1H-2M

Isn't that neat?

It works kinda like the bubbles in a can of coke that push the coke up and out the straw when you're not looking. http://www.animatedsoftware.com/pumpglos/glpulser.htm
 
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It's very interesting. Unfortunately it doesn't do someone like me with water at the end of a 585 foot deep hole in the ground and no running surface water any good.  Sure would be nice to have a stream.
 
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Does it need more than a foot or two of head?

how does the air get into the water that is going down?  Is it nothing more than dissolved oxygen?

 
                          
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Water goes into the chute just below water level up above the dam and is discharged below the dam.  There's enough flow due to the size of the pipe and the elevation difference that bubbles of air are carried down to the bottom of the chute, where they collect in an air chamber.  It's not dissolved air, but larger bubbles. This section is effectively a compressor. 

Pressurized air is then sent down the well and released below an upside-down funnel that extends to the discharge.  The weight of the water above the funnel intake is greater than the weight of the air and water in the funnel tube, so that water and air get pushed up to a height well above well static level.

It's cleaver and low tech, but despite using a low elevation drop, it requires a lot of digging.  You can do something similar with a drilled well and a compressor windmill.

Dan

 
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Location: SW of France
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Maybee a good device to had oxygene to a pond near a river ?
 
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I made a new video. A friend suggested a "pulser pump Nano" which would use a smaller tromp section and smaller airlift pipes (like they use in the windowfarms project).  You would probably have to bundle the small pipes together to get useful pumping.  I do not live by a stream anymore but there is nothing stopping me testing the airlift portion of the pumping.
Here is the result  powered by a small aquarium air pump, with 22 inches of submergence and pumping to 13 ft high.
I don't know the limits but clearly it has no problem going to 13 ft
http://www.youtube.com/watch?v=KUqrBzO39xY

 
Brian White
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Hi, Paul,  It can work with a foot of head but 1 and a half ft is better.  I also used to think that it needs to go  about 6 ft deep to get enough pressure for the air but now I think 3 ft deep will work.
You just need a bundle of 1/4 inch tubes to pump the water up if you do the 3 ft deeep thing.
I am calling the tiny version pulser pump nano.  If anyone has a stream and wants to try, I would be happy to make suggestions.  If someone did it soon, and did a video response to mine, or to my original pulser pump video, I would be really happy. The pulser pump was nominated in a big competition in Austria (the ars electronica next idea competition) so if something happened before the judging takes place, it helps vindicate this whole open method of development and might even help get a high place in the competition.  And if someone is quick, they can put the first video in the world of a working pulser pump nano on the internet!
That is something that nobody can take away from you.
Ever!
Thanks
Brian

paul wheaton wrote:
Does it need more than a foot or two of head?

how does the air get into the water that is going down?  Is it nothing more than dissolved oxygen?


 
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The Pulser Pump is one of the simplest ways to elevate a portion of a controlled down flow of water. It has no moving parts, and utilizes the operating principle of the AIR LIFT PUMP along with a TROMPE.
 
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