Patent · US Active

Spiral electrodeionization device with segregated ionic flows

US7591933B2 · kind B2 · utility

14Cited by

10References

8Claims

0Family size

Assignee

GE Ionics, Inc.

Inventors

Vladimir Grebenyuk · Woburn, US
Oleg Grebenyuk · Ashland, US
Keith J. Sims · Framingham, US
William W. Carson · Mendon, US
Russell James MacDonald · Watertown, US
Li Zhang · Shanghai, CN

Key dates

Filing date	Dec 1, 2005
Grant date	Sep 22, 2009
Priority date	—
Expiry date	Jan 3, 2027

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC02F2201/4611
WIPO fieldChemical engineering
WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.