Patent ID: 8356420
Filing Date: 2013-01-22
Classification: F26B

Abstract:
1. A combined plenum divider/hopper for a grain drying tower; the tower comprising a heater, an inner plenum wall surrounding the heater, and an outer wall surrounding the plenum wall; the combined plenum divider/hopper comprising: a sloping upper surface having an upper end and a lower end and defining a plurality of windows; a sloping lower surface having an upper end and a lower end defining a plurality of windows; the windows of the lower surface being spaced vertically below and being aligned with the windows of the upper surface; the upper end of said lower surface being adjacent the lower end of said upper surface, such that the upper and lower surfaces, in combination, define a generally arrow-shaped assembly in vertical cross-section; and a plurality of panels pivotally mounted in said divider/hopper; there being at least one panel associated with each pair of aligned windows in the upper and lower surfaces; said panels each being movable between a first position in which the upper surface windows are closed and the lower surface windows are opened and a second position in which the upper surface windows are opened and the lower surface windows are closed.