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"With the Triton Oxygen Respirator, it might be possible to breathe beneath the surface of the water "
It doesn’t sound like they are sure it will work! And if it’s o2 then don’t go below 30’ :(
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I know it’s a concept but from concepts come reality. There’s some other cool toys on that site.
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looks like somebody stuck a mouthpiece on the handlebars of a exercise bike,,lol
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From what I can make out of this is the device separates the water in Hydrogen and Oxygen and you breath the oxygen. So ya I’d say we’ll here about some brainchild trying to take one of these to 40 or 50 ft.
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As divers we understand partial pressures and the toxicity of O2 at depth but still it is an interesting piece of engineering that may be if benefit. The questions become could it be useful during decompression? Could the technology be integrated with rebreather tech to shrink the size or lighten the weight of a unit?
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Greg - 1/14/2014 6:01 AM 
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PPO2 aside, this thing would have to collect, compress, store and deliver O2 at ambient pressure and keep up with demand. Based on the dissolved oxygen content of water, at least 192 litres or 51 US gallons of sea water per minute would have to pass through the thing to keep up with demand.
Sorry, not buying it.
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I agree it’s probably fantasy. That being said let me ask this:
Oxygen toxicity occurs beczause we take O2 under pressure from the surface to depth, which causes the PO2 to get above 1.4 and become hazardous.
Here’s my question: If the O2 can be being drawn from the water (’created’ for lack of better words) at depth, it wouldn’t be an issue because it’s only 100% oxygen and not oxygen at a higher partial pressure. Is that correct?
Thanks for any input, I’m curious about this.
Shaun
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No that wouldn’t be correct.
PO2 refers to the effect of oxygen in comparison to what it would be at the surface. Pure or 100% O2 is toxic even at the surface however the time until it toxic effect if felt on the surface if much longer in comparison then under the pressure of say 4 atmospheres. At that pressure the effect would be felt 4 times faster. That is why when we consider a dive profile using Nitrox we may not want a higher oxygen level at greater depth even though it would limit the nitrogen uptake it would increase our PO2 and the danger of convulsions from oxygen toxic shock. So 100% oxygen become toxic underwater as relatively shallow depths regardless of the delivery pressure which needs to be at least as much as the water pressure from that depth.
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Thanks RAW, that answers my question exactly!
Cheers
Shaun
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This reminds me of a story I saw about a James Bond gadget. The tiny thingy fro the movie Thunderball that let him breath under water. As the story goes some government entity approach the movie makers about the device (figures your government at work). The movie wizards were incredulous about the request!
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