HIGH PRESSURE AIR CYLINDERS FOR USE WITH SELF-CONTAINED BREATHING APPARATUS
First Claim
1. A compressed gas cylinder, comprisinga pressure volume portion for containing a volume of gas pressurized to a service pressure, the pressure volume portion having a length, a diameter, and a water volume selected according to the formula:
0 Assignments
0 Petitions
Accused Products
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.
-
Citations
21 Claims
-
1. A compressed gas cylinder, comprising
a pressure volume portion for containing a volume of gas pressurized to a service pressure, the pressure volume portion having a length, a diameter, and a water volume selected according to the formula:
-
18. A self-contained breathing apparatus, comprising:
a compressed gas cylinder comprising a pressure volume portion for containing a volume of gas pressurized to a service pressure, the pressure volume portion having a length, a diameter, and a water volume selected according to the formula; - View Dependent Claims (19, 20, 21)
Specification