Method and apparatus for latent heat extraction

Details Method and apparatus for latent heat extraction Method and apparatus for latent heat extraction

1992-06-19

1993-07-20

Wayner, William E.

Refrigeration

Processes

Circulating external gas

62173, 622386, F25B 900

Patent

active

052283020

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: 2286605 (1942-06-01), Crawford
patent: 2291029 (1942-07-01), Everetts, Jr.
patent: 2715320 (1955-08-01), Wright
patent: 4271678 (1981-06-01), Liebert
patent: 4658594 (1987-04-01), Langford

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