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. 04, 2012
Filed:
Apr. 28, 2010
Applicants:
Sadashiv Swami, Tonawanda, NY (US);
Philip A. Barrett, Tonawanda, NY (US);
Richard Martin Kelly, Buffalo, NY (US);
Inventors:
Sadashiv Swami, Tonawanda, NY (US);
Philip A. Barrett, Tonawanda, NY (US);
Richard Martin Kelly, Buffalo, NY (US);
Assignee:
Praxair Technology, Inc., Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/22 (2006.01); B01D 53/047 (2006.01); A61M 16/00 (2006.01); A61M 16/12 (2006.01); A62B 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and apparatus for supplying oxygen to meet a user demand in which oxygen is separated from air by an electrically driven oxygen separation device to supply oxygen to meet the user demand and to charge an adsorbent bed with all or part of the separated oxygen. When a user demand exists, oxygen can be supplied from both the electrically driven oxygen separation device and from oxygen desorbed from the adsorbent bed.