Electrically enhanced filter, includes a filter element, a pair of electrodes sandwiching the filter element, a DC, AC, pulse, or RF power supply coupled to the electrode to create an electrostatic field across the filter element and to produce attracting forces between micro-organisms contained in the...http://www.google.es/patents/US6245132?utm_source=gb-gplus-sharePatente US6245132 - Air filter with combined enhanced collection efficiency and surface sterilization
Air filter with combined enhanced collection efficiency and surface ...
