Ventilating dehumidifying system using a wheel for both heat recovery and dehumidification
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Mar 12, 2002
Grant Date -
N/A
app pub date -
Mar 6, 2000
filing date -
Mar 6, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A ventilation and dehumidification system for ventilating fresh air to a conditioned space. The system is comprised of a unitary heat transfer desiccant wheel for dehumidifying incoming air by exchanging moisture from an inflow current of air with an outflow current of air. The unitary heat recovery wheel is able to transfer heat between the two air currents when the wheel is spun at a faster speed. The unitary heat transfer desiccant wheel is both regenerated and defrosted by a regenerative heater which is placed to heat the outflow current of air before the outflow current passes through the unitary heat transfer desiccant wheel. The unitary heat transfer desiccant wheel is spun at a slow speed to accomplish more dehumidification, and at a fast speed to accomplish more heat recovery. The system includes at least two blowers in order to motivate the inflow and outflow currents of air. The blowers can be arranged so as to create an air pressure differential between the inflow chamber and the outflow chamber so that any leakage of air between the two chambers will occur from the inflow chamber to the outflow chamber.
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