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:
Oct. 02, 2007
Filed:
Dec. 23, 2003
Mohamed Safdar Allie Baksh, Wheatfield, NY (US);
Michael S. Manning, Buffalo, NY (US);
Andrew C. Rosinski, Boston, NY (US);
James Smolarek, Boston, NY (US);
Alan Barnard Stewart, Snyder, NY (US);
Bernard Thomas Neu, Lancaster, NY (US);
Mohamed Safdar Allie Baksh, Wheatfield, NY (US);
Michael S. Manning, Buffalo, NY (US);
Andrew C. Rosinski, Boston, NY (US);
James Smolarek, Boston, NY (US);
Alan Barnard Stewart, Snyder, NY (US);
Bernard Thomas Neu, Lancaster, NY (US);
Praxair Technology, Inc., Danbury, CT (US);
Abstract
The present invention relates to a PSA system using an indexing rotary dual valve regulating a stepping mode of operation that controls a variable bed inlet feed flow rate, controllable pressure between feed lines in different beds of the PSA system and varied output flow rate of product gas such as high purity hydrogen gas.