Fixing and connecting device for wires and plates in electrostatic filters

Claim 1

A fixing and connecting device for use in an electrostatic filter configuration which includes a charging section and a separation section and uses wires and plates as charging and collecting components and the charging section has two or more wire stretches between each pair of plates, the wire stretches are mutually parallel and each positioned halfway between the pairs of plates, and the separation section has mutually parallel plates with each plate having a different potential than the adjacent plates, said device for fixing the wires and plates, comprising: two identical gable components positioned parallel to and spaced apart from each other; two identical and mutually parallel spacing parts fixed to and between the ends of said gables provide a frame with quadrangular cross section; each gable in its two longest side edges being provided with a number of slits perpendicular to the longitudinal direction of said side edges; the distance between two adjacent said slits being the same for all slits; said slits enabling a length of charging wire to be wound to and fro with wire stretches between said two gables to enable the stretches of wire to be parallel and the inner faces of said gables comprise pairs of projections forming grooves between pairs of said slits and perpendicular to the longitudinal direction of said two longest side edges, said grooves enabling plates for the charging section to be received therein and further including fore and aft pairs of spaced apart supporting leg components behind said frame, each pair spaced from the other to constitute the fore and aft corners of a separation section.

Claim 4

A device according to claims 1 or 2, wherein each of said aft supporting legs includes on its inner face fore and aft parallel lines of spaced-apart U-shaped projections forming short grooves perpendicular to the longest side edges, into which short grooves the plates for the separation section are adapted to be inserted, the bottoms of the U-shaped projections providing end stops for the plates; said projections in each line being displaced from adjacent projections a distance corresponding to half the spacing distance between projections in the other line; and a contact strip is positioned on and along one of said lines of projections, said contact strip providing means to electrically engage the plates and enabling connection to a voltage source.