An apparatus for the separation of liquid droplets or fine-particulate solids from a gas stream entraining same in which a plurality of geometrically identical separator plates define flow passages between them for the gas. The plates are formed with corrugations and the crests or troughs of the corrugations...http://www.google.com/patents/US4175938?utm_source=gb-gplus-sharePatent US4175938 - Apparatus for the separation of liquid droplets from a gas stream entraining same
