A sorter for sorting transversely-spaced articles moving along a direction of travel employs an array of fluid nozzles aligned transversely to the direction of travel for separating some of the articles from others, according to differences in their physical characteristics, by selectively directing...http://www.google.ca/patents/US5339965?utm_source=gb-gplus-sharePatent US5339965 - Granular article sorter having improved fluid nozzle separating system
