F - Mech Eng,Light,Heat,Weapons – 24 – F
Patent
F - Mech Eng,Light,Heat,Weapons
24
F
98/15
F24F 7/00 (2006.01) F24F 7/06 (2006.01) F24H 3/04 (2006.01)
Patent
CA 1050806
METHODS AND APPARATUS FOR DUCTLESSLY CIRCULATING AND SELECTIVELY SUPPLEMENTALLY HEATING LARGE VOLUMES OF AIR IN INDUSTRIAL FACILITIES Abstract An apparatus for ductlessly circulating large volumes of air in industrial facilities and the like includes an up- standing structure which defines a vertically extending chamber. Openings are provided in lower and upper portions of the struc- ture and communicate the chamber with lower and upper strata of ambient air. A blower assembly is housed within the struc- ture intermediate the lower and upper openings. In operation, the apparatus is positioned substantially centrally in a room, and the blower assembly is energized to move air upwardly through the chamber. The lower and upper openings are arranged such that air from the lower stratum is drawn substantially radially toward the lower openings, and such that air dis- charging from the upper openings into the upper stratum moves substantially radially outwardly toward walls of the room. The effect of this type of operation is to establish a primary substantially toroidal air flow circulation beside the appara- tus, and to induce the establishment of a secondary substan- tially toroidal air flow circulation above the apparatus. The primary and secondary circulation tori promote a thorough intermixing of air from all parts of the room and promote temperature uniformity throughout the room. In the preferred embodiment, the apparatus is portable and its upstanding structure is provided by a stacked array of lower, intermediate and upper modules or sections. A heater assembly for selec- tively supplementally heating air in the chamber is preferably housed in an intermediate one of the modules or sections.
246475
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