Patent ID: 7891115
Filing Date: 2011-02-22
Classification: F26B,Y02B,Y02P

Abstract:
1. A material drying apparatus for removing moisture from material positioned in the interior of an envelope, the envelope having an opening, the material drying apparatus comprising: an inlet structure configured to be in fluid communication with the opening of the envelope and the interior of the envelope; an air removal assembly configured to remove air from the interior of the envelope when the inlet structure is placed in fluid communication with the opening; a moisture removal assembly for removing moisture from gases removed from the interior of the envelope, the moisture removal assembly defining a fluid path from the inlet structure that is bifurcated into two alternate path portions, the moisture removal assembly comprising: a control apparatus for controlling operation of the first and second moisture removal assemblies and the heat pump, the control apparatus being configured to sense a condition of the apparatus and reverse operation of the heat pump upon detecting that the condition has passed a predetermined level.