Portable air-purifying system utilizing enclosed filters
A technology of air purification and air, applied in colloid chemistry, colloid chemistry, respiratory protection containers, etc., can solve problems such as time-consuming, troublesome, and user troubles
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[0050] Referring now to the drawings, in which like numerals refer to like parts throughout the several views, the preferred embodiments of the present invention will now be described. The following description of the preferred embodiments is merely exemplary in nature and in no way restricts the invention, its application or uses.
[0051] FIG. 1 is a perspective view of a combined air supply / protection air purification system 10 according to a first preferred embodiment of the present invention. Combined system 10 includes SCBA 20 and protective PAPR 40 (both supported by carrying frame 21 ), and mask or visor 18 . Each of these components will be described in more detail below.
[0052] FIG. 2 is a height schematic view of the SCBA of FIG. 1 . The SCBA 20 includes one or more pressure vessels 22, a valve assembly 24, a pressure reducer 26, a high pressure hose assembly 30 for providing a fluid connection between the outlet of the pressure reducer 26 and the mask 18, a sec...
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