Patent ID: 9649589
Date: 2017-05-16
CPC Classifications: B01D

Claim:
1. An oxygen concentrating system comprising: an adsorption column containing an adsorbent, said column having a first end and a second end; a shell enclosing said column and defining a product gas storage space between said column and said shell; a product conduit operatively connecting said product gas storage space to a product output point; a first conduit operatively connecting said first end of said column to a feed point, and said first end to a waste point, said first conduit comprising at least one first valve having at least a first and second configuration, in said first configuration, compressed air flows from said feed point to said first end, and, in said second configuration, waste gas flows from said first end to said waste point; and a second conduit operatively connecting said second end of said column to said product gas storage space, said second conduit comprising at least one second valve having at least a first and second configuration, in said first configuration, product gas produced by said adsorption column flows from said product gas storage space to said second end, and, in said second configuration, said product gas flows from said second end to said product gas storage space.