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2. Portable oxygen concentrator - Wikipedia

   en.wikipedia.org/wiki/Portable_oxygen_concentrator

   Portable oxygen concentrator used with bottle humidifier POCs operate on the same principle as a home concentrator, pressure swing adsorption . [ 6 ] The basic set up of a POC is a miniaturized air compressor , a cylinder filled containing the sieve, a pressure equalizing reservoir and valves and tubes.

3. Oxygen concentrator - Wikipedia

   en.wikipedia.org/wiki/Oxygen_concentrator

   Oxygen concentrators are used widely for oxygen provision in healthcare applications, especially where liquid or pressurized oxygen is too dangerous or inconvenient, such as in homes or portable clinics, and can also provide an economical source of oxygen in industrial processes, where they are also known as oxygen gas generators or oxygen ...

4. High altitude breathing apparatus - Wikipedia

   en.wikipedia.org/wiki/High_altitude_breathing...

   There are different aviation oxygen systems and delivery methods available depending on the specific application. The oxygen source may be chemical oxygen generators, high pressure portable gaseous oxygen storage systems (gas cylinders), on-board oxygen generating systems (oxygen concentrators), or liquid oxygen systems. [4]

5. Glossary of breathing apparatus terminology - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_breathing...

   portable gaseous oxygen system Aircraft emergency oxygen system using a high pressure oxygen cylinder with regulator as supply. [2] portable oxygen equipment Supplementary oxygen provision equipment that is easily moved but not designed to be carried, and weighs more than about 10 pounds (4.5 kg). [3] Compare with ambulatory oxygen equipment

6. Primary life support system - Wikipedia

   en.wikipedia.org/wiki/Primary_Life_Support_System

   The interior of the Apollo PLSS Diagram of the A7L PLSS and OPS, with interfaces to the astronaut and the Lunar Module cabin. The portable life support system used in the Apollo lunar landing missions used lithium hydroxide to remove the carbon dioxide from the breathing air, and circulated water in an open loop through a liquid-cooled garment, expelling the water into space, where it turned ...

7. Normalair - Wikipedia

   en.wikipedia.org/wiki/Normalair

   The company decided to diversify into other markets and took a licence from Drägerwerke, of Germany, to produce compressed air diving and oxygen breathing apparatus. Normalair achieved most success with portable oxygen systems, including the equipment supplied for the first successful ascent, by Tenzing and Hillary, of Mount Everest. [3]