Patent ID: 6139424
Filing Date: 2000-10-31
Classification: B65D,E04H

Abstract:
An environmentally-controlled crop storage building comprising:(a) a floor having a length and a width, the floor resting on compacted soil;(b) an air-carrying plenum extending the length of the floor at a level within the compacted soil, the plenum having a bottom, plenum side walls, and an open plenum top communicating with the building's interior;(c) a fan mounted at the level of the plenum adapted to force air through the plenum;(d) a plurality of air-carrying flumes extending the width of the floor within the compacted soil and intersecting the plenum wherein the flumes further comprise precast trenches, the trenches having a base, trench side walls and an open trench top communicating with the building's interior;(e) a plurality of flume covers having a number of apertures adapted to allow air forced through the flumes by the fan to enter the building; and(f) a plurality of plenum covers adapted to close off the plenum from the building's interior.