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Author Topic: Gravity/weight/float/waterpump  (Read 19910 times)

Cherryman

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Gravity/weight/float/waterpump
« on: July 30, 2009, 07:40:53 PM »
Hi,

This is not totally my idea, but it is my version of what something i did see around the forums


I made a simple gif to illustrate my version:

1. The weight of the water in the middle bucket pushes the water in the bottom cylinder up to the hose and fills the top container.
2. When the cylinder reaches the bottom a mechanical valve opens up, letting the weight water flow downwards
2A. While the water fills the cylinder and empties the weight bucket the cylinderhead (Equiped with floating foam) floats back up again.
3. When the weightbucket reaches the top the second mechanical valve opens up and fills the weightbucket again.

« Last Edit: July 30, 2009, 09:06:28 PM by Cherryman »
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Cherryman

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Re: Gravity/weight/float/waterpump
« Reply #1 on: July 30, 2009, 08:58:02 PM »
I Bought this pump today for 5 euro, to modify it ... Now i just need some time...

Double action pump:

I It has a removable cap, two rubber seals and the best thing: The rod is hollow and contains an in- and an outflow channel.. 

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broli

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Re: Gravity/weight/float/waterpump
« Reply #2 on: July 30, 2009, 09:06:52 PM »
The weight is not going to change much. It's its pressure on the top you're dealing with and that in turn depends on the height of the liquid. So you will end up needing a setup that is higher than the feeding tube on the left if you want the tank to drop, which defeats the whole purpose.
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Cherryman

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Re: Gravity/weight/float/waterpump
« Reply #3 on: July 30, 2009, 09:16:42 PM »
@Broli.

I was thinking:

Because it is not a closed system, the water that leaves the hose and enters the top container does not have to be lifted anymore..

So the total weight of the full middle bucket does not have have to lift all the water at the same time! 

A bit simular as the Hero fontain, That combined with the ability of water to use as a weight, but also the power of the cylinder floating back up again in the same water... 
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Cherryman

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Re: Gravity/weight/float/waterpump
« Reply #4 on: July 30, 2009, 09:24:58 PM »
Also it is easy to reduce height or gain weight by modifying the shape and size of the containers..   

In theory you could use 1000 liter containers , very wide  and a very small hose..  So you have a lot of pressure, it fills slow but you have a lot of pressure to overcome the height difference.


Example:


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Cloxxki

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Re: Gravity/weight/float/waterpump
« Reply #5 on: July 30, 2009, 11:03:29 PM »
Looks like stroke capacity for the bottom cilinder will need to exceed the top and middle buckets, by the volume in the hose between level height with top of bottom cilinder and outlet of the hose.
When the middle bucket starts its piston power stroke, first the hose will be filled, before the top bucket gets to receive anything.

Should this prove to work, with just some valves to be openen and closed, it will be quite a contest to get the most cycles per time unit for a given capacity. Or the greatest amount of power generated from a standardized amount of water.

In a water pump application, I suppose the middle bucket would be the normal water level inlet. Interesting would be to see how high, and at which rate water could pump itself up this way, like in a water lock situation. I want to make channels from the ocean to the sahara, you see. Get some positive climate change going.
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Cherryman

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Re: Gravity/weight/float/waterpump
« Reply #6 on: August 05, 2009, 08:44:59 PM »
I just did a first test:

See if i can get the cylinder back to the top starting position when it is refilled.

I was curious if the floating would overcome the resistance of the watertight seals.
Due to the one way valves in the piston i can push the water downwards, but when refilling it will float automatically upwards while letting the water pass by the valve.


It worked!  So far so good..

http://www.youtube.com/watch?v=tQAw9obVfUI


No i have to figure how much weight i need to push the water up high enough and then find a balance with dead weight and the water weight. 

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brian334

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Re: Gravity/weight/float/waterpump
« Reply #7 on: August 05, 2009, 10:28:59 PM »
This is daum, more magic water that flows uphill.
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WildBill

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Re: Gravity/weight/float/waterpump
« Reply #8 on: October 21, 2009, 08:07:26 PM »
hey cherryman, was wondering how your experiments are proceeding. Sure seems like this one should work  ;)
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RebeLLz

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Re: Gravity/weight/float/waterpump
« Reply #9 on: August 28, 2012, 09:32:41 PM »
.
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jakobenx

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Re: Gravity/weight/float/waterpump
« Reply #10 on: May 06, 2018, 05:41:18 PM »
thank you
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