Patent ID: 7042694

Claim:
An improvement for a self-balancing shielded bipolar ionizer, which includes the following known elements: a housing constructed of insulative material; a recessed cavity ( 4 ); electrodes ( 7 ) placed within the recessed cavity ( 4 ); and a self-balanced high voltage power supply; whereas the improvement comprises: an air insert assembly, used to direct a flow of air or nitrogen around each electrode, wherein the air insert assembly fits into the recessed cavity ( 4 ), is constructed of insulative material, has multiple concave external surfaces ( 10 ) to surround each electrode, has paths that distribute pressurized air or nitrogen to the electrodes ( 7 ), and has air holes ( 8 ) through which the electrodes protrude; an air inlet fitting ( 3 ) to supply pressurized air or nitrogen; and electrode holders ( 13 ) that are compatible with both the air insert assembly and with high voltage connectors ( 5 ).