Make-up air energy recovery ventilator

Details Make-up air energy recovery ventilator Make-up air energy recovery ventilator

1998-05-11

1999-11-30

Doerrler, William

Refrigeration

Processes

Exchanging heat between plural systems, e.g., disparate

62 99, 62427, F25B 700

Patent

active

059921609

ABSTRACT:
In an air conditioning system designed to operate in relatively high humidity conditions, an auxiliary unit, including a complete and independent operating refrigerant circuit, is installed in air flow relationship therewith such that outdoor make-up air is caused to flow first through an auxiliary evaporator coil then through the system evaporator coil, and at least a portion of the return air is passed through an auxiliary condenser coil before being discharged outside. Energy is thereby recovered from the return air, and the make-up air is pre-conditioned to improve the dehumidifying effect of the system.

REFERENCES:
patent: 3949810 (1976-04-01), Cobb
patent: 3995809 (1976-12-01), Karlsson
patent: 4281522 (1981-08-01), Bussjager
patent: 4391104 (1983-07-01), Wendschlag
patent: 5400607 (1995-03-01), Cayce
patent: 5551235 (1996-09-01), Calton et al.
patent: 5551245 (1996-09-01), Calton et al.
patent: 5622057 (1997-04-01), Bussjager et al.
patent: 5729993 (1998-03-01), Boiarski et al.

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