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:
Jul. 01, 2003
Filed:
Dec. 06, 2001
Applicant:
Inventors:
John H. Burban, Lake Elmo, MN (US);
Robert O. Crowder, Little Canada, MN (US);
Michael R. Spearman, The Woodlands, TX (US);
Keith A. Roberts, St. Paul, MN (US);
Assignee:
Porous Media Corporation, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 5/322 ; B01D 6/302 ;
U.S. Cl.
CPC ...
B01D 5/322 ; B01D 6/302 ;
Abstract
A membrane air drier utilizes an orifice to serve as the sweep air inlet with a sweep diffuser placed a short distance from the orifice. Preferably, an open channel extends from the product end of the membrane module on the shell side of the fibers with a porous diffuser at one end of the open channel and an orifice at the other end of the channel.