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  2. Self-contained breathing apparatus - Wikipedia

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

    Some types are also referred to as a compressed air breathing apparatus (CABA) or simply breathing apparatus (BA). Unofficial names include air pack, air tank, oxygen cylinder or simply pack, terms used mostly in firefighting. If designed for use under water, it is also known as a scuba set (self-contained underwater breathing apparatus).

  3. High altitude breathing apparatus - Wikipedia

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

    Bottled oxygen, more broadly known as high pressure compressed oxygen, medical oxygen, and aviator's oxygen, is oxygen in small, portable, high-pressure storage cylinders. For aviation, the weight of the cylinder is usually not critical, and the choice of material may be affected by economic considerations such as purchase price and useful ...

  4. Compressed-air car - Wikipedia

    en.wikipedia.org/wiki/Compressed-air_car

    [1] [2] This prototype used low pressure air tanks and exhaust air recovery to power a paraffin heat exchanger system. Its energy efficiency reached 74%. This is as much as 90% of the efficiency of lithium-ion electric cars. It had a driving range of 140 km (86 mi.). Efficiency and range might be increased by a number of practical improvements.

  5. Compressed-air vehicle - Wikipedia

    en.wikipedia.org/wiki/Compressed-air_vehicle

    The tanks must be designed to safety standards appropriate for a pressure vessel, such as ISO 11439. [6]The pressure vessels or air storage tanks that can be used in compressed-air vehicles can be made for low pressure (9 atm (130 psi)) or high (more than 240 atm (3,500 psi)), and can be made of composite materials like thermoplastic and fiber-reinforced thermoplastics, [7] [8] that means that ...

  6. Natural gas vehicle - Wikipedia

    en.wikipedia.org/wiki/Natural_gas_vehicle

    LNG is being evaluated and tested for over-the-road trucking, [23] off-road, [24] marine, and railroad applications. [25] There are known problems with the fuel tanks and the delivery of gas to the engine. [26] China has been a leader in the use of LNG vehicles [27] with over 100,000 LNG powered vehicles on the road as of 2014. [28]

  7. Air tank - Wikipedia

    en.wikipedia.org/wiki/Air_tank

    Air tank may refer to: Diving cylinder , used by scuba divers to hold air and other breathing gases at high pressure underwater Pneumatic pressure vessel , for storing compressed air to operate equipment such as braking systems, paint dispensers and paintball guns