Cis-Lunar was a company specializing in the production of automatic, computer-controlled, and closed-circuit
rebreathers
A rebreather is a breathing apparatus that absorbs the carbon dioxide of a user's breathing, exhaled breath to permit the rebreathing (recycling) of the substantial unused oxygen content, and unused inert content when present, of each breath. Ox ...
for
astronauts
An astronaut (from the Ancient Greek (), meaning 'star', and (), meaning 'sailor') is a person trained, equipped, and deployed by a List of human spaceflight programs, human spaceflight program to serve as a commander or crew member of a spa ...
and
underwater divers. The company was formed in 1984 and was acquired by
Stone Aerospace in 2004.
History
Cis-Lunar originally aimed to develop
space suit
A space suit (or spacesuit) is an environmental suit used for protection from the harsh environment of outer space, mainly from its vacuum as a highly specialized pressure suit, but also its temperature extremes, as well as radiation and ...
kits, but the
early 2000s recession
The early 2000s recession was a major decline in economic activity which mainly occurred in developed countries. The recession affected the European Union during 2000 and 2001 and the United States from March to November 2001. The United King ...
reportedly hindered its ability to finance the mass production of the MK5 rebreather, which featured designs intended to reduce system and mission failures.
In 2005, the
Swedish diving equipment manufacturer Poseidon acquired Cis-Lunar's technology.
Bill Stone, founder of
Stone Aerospace, was appointed to lead a Poseidon team designing a new closed-circuit rebreather.
Etymology
The word ''cis-lunar'' comes from
Latin
Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...
and means "on this side of the Moon" or "not beyond the Moon".
See also
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References
Rebreather makers
Companies with year of establishment missing
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