HIGH PRESSURE AIR CYLINDERS FOR USE WITH SELF-CONTAINED BREATHING APPARATUS
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United States of America Patent
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Issued Date -
May 2, 2024
app pub date -
Jan 9, 2024
filing date -
May 25, 2011
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Abstract
A self-contained breathing apparatus includes an air cylinder pressurized to about 5500 psi, 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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