High pressure air cylinders for use with self-contained breathing apparatus
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United States of America Patent
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Feb 13, 2024
Grant Date -
N/A
app pub date -
Mar 14, 2022
filing date -
May 25, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A self-contained breathing apparatus includes an air cylinder pressurized to about 5500 psig, wherein the air cylinder is compatible with infrastructure used in conjunction with the air cylinder. The self-contained breathing apparatus also includes a first regulator valve for reducing air pressure from the air cylinder to a predetermined level. A second regulator valve is also provided for reducing the air pressure from the predetermined level to a level suitable for use by an operator, wherein air is supplied from the second regulator valve to the operator via a mask. The self-contained breathing apparatus further includes a frame for supporting the air cylinder on the back of the operator. Other embodiments are described and claimed.
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