Breathable gas distribution apparatus
First Claim
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1. An apparatus for safely supplying breathable gas to personnel at a controlled pressure and flow rate from a source of very high pressure, said apparatus comprising:
- first pressure regulator means operably connected to said gas source for reducing pressure from said high pressure source to a greatly reduced pressure, well above atmospheric pressure;
second pressure regulator means operably connected to said first pressure regulator means for reducing gas pressure further;
first overpressure relief means operably connected to said second pressure regulator means;
low pressure audible alarm means operably connected to said second pressure regulator means;
manifold means operably connected to said second pressure regulator means for receiving said breathable gas;
a plurality of conduits operably connected to said manifold means, each conduit in said plurality thereof for conducting said breathable gas;
second overpressure relief valve means and overpressure valve audible alarm means operably connected to each of said plurality of conduits;
flow meter means connected to each of said conduits for controlling the flow of breathable gas through each of said conduits at a desired flow rate and pressure; and
a plurality of individual breathing apparatuses, each individual breathing apparatus therein being singularly connected to one conduit in said plurality thereof for receiving said breathable gas conducted from said manifold means.
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Abstract
The disclosure is directed to an apparatus for safely supplying breathable gas or air through individual respirators to personnel working in a contaminated area.
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Citations
9 Claims
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1. An apparatus for safely supplying breathable gas to personnel at a controlled pressure and flow rate from a source of very high pressure, said apparatus comprising:
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first pressure regulator means operably connected to said gas source for reducing pressure from said high pressure source to a greatly reduced pressure, well above atmospheric pressure; second pressure regulator means operably connected to said first pressure regulator means for reducing gas pressure further; first overpressure relief means operably connected to said second pressure regulator means; low pressure audible alarm means operably connected to said second pressure regulator means; manifold means operably connected to said second pressure regulator means for receiving said breathable gas; a plurality of conduits operably connected to said manifold means, each conduit in said plurality thereof for conducting said breathable gas; second overpressure relief valve means and overpressure valve audible alarm means operably connected to each of said plurality of conduits; flow meter means connected to each of said conduits for controlling the flow of breathable gas through each of said conduits at a desired flow rate and pressure; and a plurality of individual breathing apparatuses, each individual breathing apparatus therein being singularly connected to one conduit in said plurality thereof for receiving said breathable gas conducted from said manifold means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification