Vacuum assisted and heated auger feeder for achieving higher packing efficiency of powder insulation materials in vacuum insulated structures

An auger feeder includes a hopper having an inner hopper wall and an outer hopper wall where the inner hopper wall includes an air permeable surface. A space is positioned between the inner and outer hopper walls. A heater is coupled to an outside edge of the inner hopper wall or an outside edge of...

Ausführliche Beschreibung