Patent ID: 9220864
Filing Date: 2015-12-29
Classification: A61M,B01D

Abstract:
1. For a portable oxygen concentrator including a PSA/VPSA/VSA system with adsorbent beds, a programmable controller, a user interface, at least one of a pressure or an oxygen purity sensor for measuring data on operating parameters of the concentrator, and at least one time measuring device for measuring at least one of operating and non-operating times of the concentrator; a method for predicting remaining operating life comprising; acquiring data from at least one operating sensor with the controller for a time period encompassing a plurality of operating and storage time periods as determined by the controller and the time measuring device; and, executing an algorithm on the controller for predicting the amount of usable bed lifetime remaining using a combination of the operating data and the time data; wherein the concentrator has an output gas flow of 10 lpm or less.