The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 10, 2020
Filed:
Sep. 07, 2012
Douglas Adam Whitcher, Atlanta, GA (US);
Bradley Stewart Koeppel, Smyrna, GA (US);
Bernhard Lewis Haberland, Palm City, FL (US);
Jeremy Webster Blair, Atlanta, GA (US);
Douglas Adam Whitcher, Atlanta, GA (US);
Bradley Stewart Koeppel, Smyrna, GA (US);
Bernhard Lewis Haberland, Palm City, FL (US);
Jeremy Webster Blair, Atlanta, GA (US);
Koninklijke Philips N.V., Eindhoven, NL;
Abstract
Methods and system for concentrating oxygen include providing a portable apparatus having a plurality of sieve beds, each sieve bed in the plurality of sieve beds including a first end and a second end, a reservoir storing oxygen-enriched gas exiting from the second ends of the plurality of sieve beds, a compressor, an oxygen delivery valve communicating with the reservoir via a delivery line, a flow sensor associated with the delivery line, and control electronics adapted to control operation of the oxygen delivery valve; measuring, via the flow sensor, a flow of the oxygen-enriched gas through the sensor and outputting a signal indicative thereof; and controlling, using the control electronics, the opening and closing the oxygen delivery valve to deliver the oxygen-enriched gas from the reservoir to a user based on the signal.