Heat exchange – Movable heating or cooling surface – Rotary drum
Patent
1974-09-06
1976-03-23
Davis, Jr., Albert W.
Heat exchange
Movable heating or cooling surface
Rotary drum
165 26, 165 50, 62201, F24F 300
Patent
active
039454320
ABSTRACT:
A method and system of air conditioning multi-storey buildings having a plurality of floors to be conditioned wherein at least one compartment air handling unit on each floor is contained within a fan closet. Fresh air conditioning means is located remote from the closets and feeds the closets with fresh air preconditioned as to temperature and humidity. The fresh air mixes with return air from the floor in the closet and the mixture is conditioned in said compartment unit and supplied to various spaces on the floor for balancing the cooling load in the space. The air mixture is supplied at a base temperature and variable air volume terminals control the amount of cool air entering the space. The base temperature of the air mixture is controlled by a thermostat in the chilled water return line controlling the capacity of mechanical cooling means, the capacity of a cooling tower when it is used as a free cooler and chilled water heating means, depending on outdoor temperatures, in order to maintain a predetermined temperature differential between the air mixture and chilled liquid in the return line. The compartment air handling units are self-contained and presilenced with one sided maintainance. Perimeter radiation units are supplied with heated liquid scheduled to a temperature where building fabric heat loss is neutralized. During a heat reclaim cycle wherein internal building heat is transferred to the radiation liquid through a condensing liquid circuit having a cooling tower, the evaporative cooling capacity of the cooling tower is varied inversely to the outdoor temperature to increase the heat transferred. The perimeter radiation units are thinfinned and include support mullions capable of containing sound absorbing means. Front panels hanging from the mullions provide easy access to the inside of said radiation units.
REFERENCES:
patent: 1425267 (1920-07-01), Marshall
patent: 2930593 (1960-03-01), Blum
patent: 3024008 (1962-03-01), Blum
patent: 3670806 (1972-06-01), McFarlan
patent: 3780532 (1973-12-01), Norbeck et al.
Davis Jr. Albert W.
Liles James D.
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