A spacer is provided for maintaining the spacing between a pair of adjacent electrostatic precipitator plates having corona electrode wires positioned midway therebetween. The plates are of the type having a generally planar vertically extending surface spaced horizontally from and extending parallel...http://www.google.fr/patents/US4765802?utm_source=gb-gplus-shareBrevet US4765802 - Electrostatic precipitator plate spacer and method of installing same
Electrostatic precipitator plate spacer and method of installing same
