Patent ID: 6163978
Filing Date: 2000-12-26
Classification: F26B

Abstract:
A seed corn dryer having a front, a back, and two sides adapted to use outside air comprising:a plurality of bins, each of said bins including a top, a bottom, a perforated floor above said bottom, a front sidewall, a back sidewall, an interior sidewall, an exterior sidewall, a bin storage space above said perforated floor, a bin lower air space beneath said perforated floor, a lower outside air door in said exterior sidewall in communication between said outside air and said lower air space, an upper outside air door in communication with said bin storage space, an upper inside air door in said interior wall in communication with said bin storage space, a lower inside air door in communication with said bin lower air space;a dryer upper air plenum in communication with said bin upper inside air doors;a dryer lower air plenum in communication with said bin lower inside air doors;an air supply unit including a supply upper plenum, a supply lower plenum, at least one blower in communication with either of said supply plenums, said supply upper plenum being in communication with said dryer upper plenum, said supply lower plenum being in communication with said dryer lower plenum,said air supply unit having a first, dual path state, wherein air is supplied to said dryer upper plenum but not said dryer lower plenum, said air supply unit having a second, single pass state, wherein air is supplied to both said upper and lower dryer plenums.