×

Filter

  • US 8,465,574 B2
  • Filed: 07/15/2010
  • Issued: 06/18/2013
  • Est. Priority Date: 07/24/2009
  • Status: Expired due to Fees
First Claim
Patent Images

1. An electrostatic filter comprising:

  • a filter medium located between a first and a second electrode, each at a different voltage during use, such that a potential difference is formed across the filter medium, the first and second electrodes being substantially non-porous, wherein the electrostatic filter further comprises at least one corona discharge mechanism, wherein the corona discharge mechanism comprises at least one corona discharge electrode of high curvature and at least one electrode of low curvature.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×