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  2. Rebreather - Wikipedia

    en.wikipedia.org/wiki/Rebreather

    A rebreather is a breathing apparatus that absorbs the carbon dioxide of a user's exhaled breath to permit the rebreathing (recycling) of the substantially unused oxygen content, and unused inert content when present, of each breath. Oxygen is added to replenish the amount metabolised by the user.

  3. Rebreather diving - Wikipedia

    en.wikipedia.org/wiki/Rebreather_diving

    A malfunctioning rebreather can supply a gas mixture which contains too little oxygen to sustain life, too much oxygen which may cause convulsions, or it may allow carbon dioxide to build up to dangerous levels. Some rebreather designers try to solve these problems by monitoring the system with electronics, sensors and alarm systems.

  4. Diving rebreather - Wikipedia

    en.wikipedia.org/wiki/Diving_rebreather

    A Diving rebreather is an underwater breathing apparatus that absorbs the carbon dioxide of a diver's exhaled breath to permit the rebreathing (recycling) of the substantially unused oxygen content, and unused inert content when present, of each breath. Oxygen is added to replenish the amount metabolised by the diver.

  5. Halcyon RB80 - Wikipedia

    en.wikipedia.org/wiki/Halcyon_RB80

    The Halcyon RB80 is a non-depth-compensated passive addition semi-closed circuit rebreather of similar external dimensions to a standard AL80 scuba cylinder (11-litre, 207-bar aluminium cylinder, 185 mm diameter and about 660 mm long). It was originally developed by Reinhard Buchaly (RB) in 1996 for the cave exploration dives conducted by the ...

  6. Category:Rebreathers - Wikipedia

    en.wikipedia.org/wiki/Category:Rebreathers

    This is a list of makes of rebreather breathing sets, and equipment that incorporates a rebreather. Wikimedia Commons has media related to Rebreathers . Subcategories

  7. Halcyon PVR-BASC - Wikipedia

    en.wikipedia.org/wiki/Halcyon_PVR-BASC

    The Halcyon Passive, Variable Ratio-Biased Addition Semi-Closed rebreather is a unique design of semi-closed rebreather using a depth-compensated passive gas addition system. [1]

  8. Self-contained breathing apparatus - Wikipedia

    en.wikipedia.org/wiki/Self-contained_breathing...

    The closed-circuit type, also known as a rebreather, [9] operates by filtering, supplementing, and recirculating exhaled gas. It is used when a longer-duration supply of breathing gas is needed, such as in mine rescue and in long tunnels , and going through passages too narrow for a big open-circuit air cylinder.

  9. Breathing apparatus - Wikipedia

    en.wikipedia.org/wiki/Breathing_apparatus

    Closed and semi-closed circuit breathing sets, also known as rebreathers and gas extenders, are breathing apparatus that absorb the carbon dioxide from, and add oxygen to, a user's exhaled breath, allowing unused oxygen and diluent (if present) to be recycled. A rebreather system may be used for any application of a supplied gas breathing set.