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:
Dec. 23, 2014
Filed:
Aug. 25, 2010
Applicants:
William R. Wilkinson, Lakeway, TX (US);
Allan Sten Westersten, El Dorado, CA (US);
H. David Shockley, Jr., Austin, TX (US);
Inventors:
William R. Wilkinson, Lakeway, TX (US);
Allan Sten Westersten, El Dorado, CA (US);
H. David Shockley, Jr., Austin, TX (US);
Assignee:
Inova Labs, Inc., Austin, TX (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 16/00 (2006.01); A62B 7/00 (2006.01); A61M 16/10 (2006.01); A61M 16/06 (2006.01); B01D 53/04 (2006.01);
U.S. Cl.
CPC ...
A61M 16/10 (2013.01); A61M 2202/0208 (2013.01); B01D 53/0446 (2013.01); B01D 2259/4533 (2013.01); A61M 2205/3592 (2013.01); A61M 2205/8206 (2013.01); B01D 53/0454 (2013.01); A61M 2205/3553 (2013.01); A61M 2016/0024 (2013.01); A61M 2209/088 (2013.01); G01N 2291/02881 (2013.01); A61M 16/101 (2013.01); A61M 2205/42 (2013.01); B01D 2259/402 (2013.01); B01D 2256/12 (2013.01); B01D 2259/455 (2013.01); A61M 2016/0021 (2013.01); A61M 2205/502 (2013.01); A61M 2205/581 (2013.01); A61M 16/0677 (2013.01); A61M 16/0666 (2013.01); A61M 2016/0039 (2013.01); A61M 2205/3375 (2013.01); A61M 2205/583 (2013.01); B01D 2253/108 (2013.01); A61M 2016/1025 (2013.01); A61M 2205/3372 (2013.01); A61M 2205/8237 (2013.01); A61M 2205/17 (2013.01); A61M 2016/0027 (2013.01);
Abstract
An oxygen concentrator may rely on a pressure swing adsorption process to produce an oxygen enriched gas stream from canisters filled with granules capable of separation of oxygen from an air stream. The adsorption process uses a cyclical pressurization and venting of the canisters to generate an oxygen enriched gas stream. During venting of the canisters, use of oxygen as a purge gas may improve the efficiency and lifetime of the oxygen concentrator.