Electrostatic Precipitation Air Filter
An improved collector electrode for an electrostatic precipitation air filter including a voltage source, an ion emitter, insulated drive electrodes, and attraction electrodes. The insulated drive electrodes include a multi-part structure having an electrically conductive material located between non-electrically conductive portions. The insulated drive electrodes allow an increased voltage potential between the attraction electrodes and the drive electrodes.
1 . An air filter comprising:
an ion emitter located in an airflow path for charging particulates entrained in said airflow path;
a collector electrode assembly located in said airflow path downstream from said ion emitter, said collector electrode comprising:
at least one electrically conductive attraction electrode comprising at least one collection surface;
at least one drive electrode comprising:
a first non-conductive portion located proximate a second non-conductive portion, each comprising a drive surface; and
an electrically conductive substance located between said first and said second non-conductive portions; and
a flow channel between said at least one attraction electrode and
said at least one drive electrode measured in a direction transverse to a direction of flow of said airflow path;
at least one voltage source electrically connected to said collector electrode assembly so as to create a voltage potential, wherein said voltage potential maintains a filtration field in said flow channel; and
wherein said filtration field acts to precipitate said charged particulates entrained in said airflow path onto said at least one collection surface of said at least one attraction electrode.
2 . The air filter of claim 1 , wherein said electrically conductive substance is applied to at least one of said drive surfaces of said first portion and said second portion as a liquid which subsequently at least one of dries and cures onto said drive surface.
3 . The air filter of claim 2 , wherein said liquid is at least one of a carbon infused paint and a carbon infused ink.
4 . The air filter of claim 3 , wherein at least one of said drive surfaces of said first portion and said second portion is etched and receives said liquid.
5 . The air filter of claim 1 , further comprising an electrical interface including a portion of said conductive substance not located between said first portion and said second portion of said drive electrode.
6 . The air filter of claim 1 , further comprising an electrical interface extending between said first and said second portions of said drive electrode and contacting said electrically conductive substance, wherein at least a portion of said electrical interface is not located between said first and said second portions of said drive electrode.
7 . The air filter of claim 6 , wherein said electrical interface is an electrically conductive film.
8 . The air filter of claim 7 , wherein said electrically conductive film includes an adhesive on at least one side of said electrically conductive film.
9 . The air filter of claim 1 , wherein said electrically conductive substance located between said first portion and said second portion of said drive electrode is an electrically conductive film.
10 . The air filter of claim 9 , wherein said electrically conductive film includes an adhesive on at least one side of said electrically conductive film.
11 . The air filter of claim 1 , wherein said first and second portions of said drive plate are assembled together as a unitary structure.
12 . The air filter of claim 11 , wherein said first and second portions of said drive plate are assembled together using at least one of thermal, chemical, and ultrasonic welding.
13 . The air filter of claim 1 , wherein said ion emitter and said conductive substance of said at least one drive electrode are energized to the same voltage potential with reference to ground.
14 . The air filter of claim 1 , wherein said ion emitter and said conductive substance of said at least one drive electrode are energized to different voltage potentials with reference to ground.
15 . The air filter of claim 1 , wherein said ion emitter further comprises at least one of a carbon brush, a corona discharge pin, and an electrically conductive wire.
16 . A plate for use in an air filter comprising:
a first non-conductive portion;
a second non-conductive portion;
an electrically conductive substance applied to at least one surface of said first portion and said second portion; and
wherein in an assembled configuration, said first and second portions are assembled together so that a substantial portion of said electrically conductive substance is located between said first and second portions.
17 . The plate of claim 16 , wherein said electrically conductive substance is a liquid which subsequently at least one of dries and cures onto said at least one surface of said first portion and said second portion.
18 . The plate of claim 17 , wherein said liquid is at least one of a carbon infused paint and a carbon infused ink.
19 . The plate of claim 16 , further comprising an electrical interface extending between said first and said second portions and contacting said electrically conductive substance, wherein at least a portion of said electrical interface is not located between said first and said second portions.
20 . The plate of claim 19 , wherein said electrical interface is an electrically conductive film.
21 . The plate of claim 16 , wherein said assembled configuration comprises a unitary assembly using at least one of thermal, chemical, and ultrasonic welding.