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Breathing apparatus
Swedish Defence Research Agency.
1999 (English)Patent (Other (popular science, discussion, etc.))
Abstract [en]

A breathing apparatus is described, having a breathing circuit comprising a mouthpiece (8) and one or more gas carrying conduits (60), a compressed gas source (2) and a counterlung (5). The compressed gas source (2) is in communication with the counterlung (5) via the breathing circuit. The counterlung (5) has an expansion assisting means (3) and a contraction assisting means (20), and a control allows selective activation of the expansion assisting means (3) and the contraction assisting means (20). The counterlung has primary (12) and secondary (10) chambers, and inflation of the secondary chamber (10) causes inflation of the primary chamber (12). The expansion assisting means (3) is a flow of compressed gas to inflate the secondary chamber (10).

Place, publisher, year, edition, pages
1999.
National Category
Medical Equipment Engineering
Identifiers
URN: urn:nbn:se:kth:diva-48283OAI: oai:DiVA.org:kth-48283DiVA: diva2:457211
Patent
GB 2357979-B (2004-02-18)
Note

QC 20111123. QC 20130807

Available from: 2011-11-17 Created: 2011-11-17 Last updated: 2013-08-07Bibliographically approved

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Total: 38 hits
CiteExportLink to record
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