Heat exchange – Structural installation – Heating and cooling
Patent
1981-01-08
1983-02-15
Scott, Samuel
Heat exchange
Structural installation
Heating and cooling
165 97, 165122, 165137, 236DIG9, F25B 2900
Patent
active
043735762
ABSTRACT:
An air supply and return system for heating and cooling a room, including an air flow loop having a first set of openings positioned high in a wall of the room (high vents) and a second set of openings positioned low in a wall of the room (low vents). The air flow loop includes a reversible air moving device, heating and cooling coils, and ducts connecting the reversible air moving device, filters, and the heating and cooling coils to the high vents and the low vents. During the cooling cycle, air is withdrawn from the room through the low vents, circulated with high air flow by the air mover through the ducts, filter, and the cooling coils, and discharged to the room from the high vents. During the heating cycle the air mover, and thereby the direction of air flow within the duct system, is reversed. Heating operation is in two stages: a passive heating stage with low air flow during which warm, stratified air from the upper portion of the room is withdrawn therefrom through the high vents and circulated unheated through the duct system and discharged to the lower part of the room through the low vents, thereby minimizing stratification within the room; and an active heating stage with higher air flow during which the air withdrawn from the room through the high vents is heated and returned to the room through the low vents.
REFERENCES:
patent: 2139262 (1938-12-01), Euwer
patent: 2463322 (1949-03-01), Sewell et al.
patent: 2550754 (1951-05-01), Baker
patent: 3653431 (1972-04-01), Loveley
patent: 3749157 (1973-07-01), Davison
patent: 4076074 (1978-02-01), Tompkins
patent: 4267967 (1981-05-01), Beck et al.
patent: 4271898 (1981-06-01), Freeman
Focarino Margaret A.
Kramer Daniel E.
Scott Samuel
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