Heat exchange – Movable heating or cooling surface – Rotary drum
Patent
1991-11-12
1993-01-26
Wayner, William E.
Heat exchange
Movable heating or cooling surface
Rotary drum
62173, 621765, F24F 314, F25B 2900
Patent
active
051815524
ABSTRACT:
A method and apparatus for improved latent heat extraction combines a run-around coil system with a condenser heat recovery system to enhance the moisture removing capability of a conventional vapor compression air conditioning unit. The run-around coil system exchanges energy between the return and supply air flows of the air conditioning unit. Energy recovered in the condenser heat recovery system is selectively combined with the run-around system energy extracted from the return air flow to reheat the supply air stream for downstream humidity control. A control system regulates the relative proportions of the extracted return air flow energy and recovered heat energy delivered to the reheat coil for efficient control over moisture in the supply air flow. Auxiliary energy in the form of electric heat energy is further added to the recovered heat energy for additional reheat use.
REFERENCES:
patent: 2200118 (1940-05-01), Miller
patent: 2715320 (1955-08-01), Wright
patent: 4658594 (1987-04-01), Langford
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