Let air circulate but keep it water tight?

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In summary, the conversation discusses the creation of a device that can carry water while keeping it aerated, without spilling it. Suggestions include using a cup with a lid, blowing air into the container with a straw, and using Gore-Tex material. The idea of using a check valve and a small pump is also mentioned.
  • #1
jago25_98
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Is this the opposite of an air lock?

I want to make a bag/membrane/lock device that can carry water, yet keep it aerated.

Obviously a cup does this, but I need it to be able to move about vigorously without spilling.

Any ideas what this is called?
 
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  • #2
A cup with a lid.
 
  • #3
Doh!

I mean fresh air (Oxygen) into the watertight container! (not recirculated)
 
  • #4
Just use a straw to blow air into it from time to time...
 
  • #5
You could perhaps place a small check valve in the air supply inlet. Depending on how much water the container holds and how it moves during acceleration you may be able to find a check pressure that will allow air to enter with a minimum of over-pressure which then could be supplied by a small pump, your lungs (as suggested), or perhaps by the movement of the container itself.
 
  • #6

FAQ: Let air circulate but keep it water tight?

How can I let air circulate while keeping something water tight?

One solution is to use a breathable material, such as a waterproof membrane with tiny pores that allow air to pass through but keep water out.

What are some examples of things that need air circulation but also need to be water tight?

Some common examples include outdoor furniture cushions, waterproof bags or cases for electronic devices, and rain gear.

Is it possible to have both air circulation and water tightness in a single product?

Yes, there are many products on the market that are designed with both features in mind, such as breathable rain jackets or waterproof tents with mesh ventilation panels.

How does air circulation affect the water tightness of a product?

In general, allowing air to circulate can help prevent moisture buildup and reduce the risk of mold or mildew, which can compromise the water tightness of a product over time.

Are there any drawbacks to having both air circulation and water tightness in a product?

One potential drawback is that the more breathable a material is, the less water tight it may be. This can be addressed by using a combination of materials or technologies to achieve both features simultaneously.

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