DUST-FREE POWDER SUBSTANCE DELIVERY AND SYSTEM

摘要

2149750 9411283 PCTABS00032 A substance delivery and filter system for use in delivering or conveying a dry, fluid powder substance from a closed tank (130) to an open receptacle (132) is provided. The delivery and filter system includes a filter housing (22) having a heavy particle cyclone separator and a fine filter air bag assembly. The filter housing (22) also includes a substance inlet port (40) positioned just above the heavy particle cyclone separator and just below the fine filter air bag assembly, and a substance outlet port (144) positioned at the bottom of the cyclone separator and a filtered air outlet port (50) communicating with the clean side of the filter bag assembly and the outside environment.