Two pass evaporator

Details Two pass evaporator Two pass evaporator

1999-05-05

2000-08-22

Bennett, Henry

Refrigeration

Refrigeration producer

Evaporator, e.g., heat exchanger

621761, 62199, F25B 3902

Patent

active

061053872

ABSTRACT:
An air conditioning system including a refrigeration system with two evaporators having dissimilar heat transfer surfaces which combine to produce a cooling effect. The first evaporator includes a first heat transfer surface with a high efficiency or heat rejection (heat absorption) rate which is optimally configured for use in an environment having a low humidity level. The second evaporator includes a second heat transfer surface with a lower efficiency or lower heat rejection (heat absorption) rate as compared to the first heat transfer surface but which performs better in environments having higher humidity levels. Refrigerant to the first and second evaporators is controlled for a given ambient air humidity level to attain maximum efficiency. A cooling method for a refrigeration system is also provided.

REFERENCES:
patent: 2127991 (1938-08-01), Candor
patent: 2146483 (1939-02-01), Philipp
patent: 2162860 (1939-06-01), Philipp
patent: 2249856 (1941-07-01), Ruff
patent: 2940281 (1960-06-01), Armstrong
patent: 3733845 (1973-05-01), Lieberman
patent: 3779031 (1973-12-01), Akiyama et al.
patent: 4691527 (1987-09-01), Ikeda
patent: 4873837 (1989-10-01), Murray
patent: 5065586 (1991-11-01), Shapiro-Baruch
patent: 5253482 (1993-10-01), Murway
patent: 5267450 (1993-12-01), Takegawa et al.

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