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:
Sep. 22, 2009
Filed:
Dec. 01, 2005
Vladimir Grebenyuk, Woburn, MA (US);
Oleg Grebenyuk, Ashland, MA (US);
Keith J. Sims, Wayland, MA (US);
William W. Carson, Hopkington, MA (US);
Russell J. Macdonald, Wilmington, MA (US);
LI Zhang, Belmont, MA (US);
Vladimir Grebenyuk, Woburn, MA (US);
Oleg Grebenyuk, Ashland, MA (US);
Keith J. Sims, Wayland, MA (US);
William W. Carson, Hopkington, MA (US);
Russell J. MacDonald, Wilmington, MA (US);
Li Zhang, Belmont, MA (US);
GE Ionics, Inc., Watertown, MA (US);
Abstract
Some embodiments of the invention relate to an electrodeionization device that includes comprising a generally cylindrical housing. The cylindrical housing includes a cylindrical inner core and an inner electrode that extends around the inner core. The cylindrical housing includes a leaf arranged as a spiral winding about the inner electrode and an outer electrode that extends about the spiral winding. Active treatment cells are defined by spaces within the spiral winding and by interleaf spaces thereof. One or more sealing bands extend between membranes of the spiral winding to define fluid flow.