Heat exchange – Regenerator – Heat collector
Patent
1979-07-05
1982-08-24
Davis, Albert W.
Heat exchange
Regenerator
Heat collector
219365, 219378, F28D 1700, F24H 704
Patent
active
043456391
ABSTRACT:
A heat storage unit of the kind comprising a housing in which heat storage elements are contained, with a common passage extending through the heat storage elements, and through which air is fed by a fan to remove heat from the storage elements to apply the heat to the room being served by the unit. To permit the unit to provide for circulation of air in the room being served, without raising the temperature of the air by contact with the heat storage elements, a valve means is provided which is movable between a first condition in which air flows from an air inlet of the unit to an air outlet at least in part through the heating passage, and a second condition in which said air flows from the inlet to the outlet directly, and not by way of the heating passage.
To prevent or minimize undesired dissipation of heat from the heat storage elements by leakage of air through the heating passage, both the inlet and outlet sections of the heating passage open into an ancillary chamber, the valve means when the unit is operating in its cool running condition being effective to close the ancillary chamber.
In this way, since the heating passage does not open directly into the valve chamber, no significant pressure differential will be created between the two ends of the heating passage, as would tend to cause flow of air through the heating passage and undesired heating of air flowing through the unit when operating in its cool running condition.
REFERENCES:
patent: 2723083 (1955-11-01), Bary
patent: 3292854 (1966-12-01), Webb
Davis Albert W.
Ti Creda Manufacturing Limited
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