A device and process for cleaning exhaust gases, in particular those from diesel engines, in which the exhaust gases are taken through a channel (36a) of a ceramic body (36) where an electric field is generated substantially transversely to the direction of flow, whereby the soot particles deposited...http://www.google.es/patents/US5402639?utm_source=gb-gplus-sharePatente US5402639 - Device for cleaning exhaust gases