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Cis-Lunar was a company specializing in the production of automatic, computer-controlled, and closed-circuit rebreathers for astronauts and underwater divers. The company was formed in 1984 and was acquired by Stone Aerospace in 2004.
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 ...
A breathing mask, also called a facepiece, is a component which covers the mouth and nose, sometimes also the eyes and other parts of the face, and may seal against the face. A breathing mask is usually effective, allows mouth and nose breathing, and can usually be sealed adequately without effort by the user.
High altitude breathing apparatus is a breathing apparatus which allows a person to breathe more effectively at an altitude where the partial pressure of oxygen in the ambient atmospheric air is insufficient for the task or to sustain consciousness or human life over the long or short term.
It is an electronic closed circuit rebreather designed to be silent and non-magnetic. It allows diving to 60 metres (200 ft) using air as diluent, or up to 120 metres (390 ft) using heliox and trimix. [2] Some sources describe it as a "Stealth Clearance Divers Life Support Equipment." [3]
non-rebreather mask A non-rebreather mask (NRB) is a device used to deliver supplemental oxygen to a spontaneously breathing person. An NRB allows the delivery of relatively high concentrations of oxygen while using a constant flow rate, with relatively low waste, by accumulating the oxygen flow during exhalation in a soft bag, to be inhaled at ...
The internet's favorite under-eye masks are on sale for $20. ... These eye masks have an impressive almost 30,000 reviews on Amazon and have managed to maintain a 4.3-star rating, too. Nearly ...
Early smoke-mask respiratorss for firefighters (similar to diving helmets, but with air-filtering) Atmosphere-supplying respirators. SCBA mask, or BA mask, a full face mask covering the mouth, nose and eyes of a person wearing self-contained breathing apparatus, connected to a breathing gas supply carried by the user Rebreather mask