Self-contained ambient precooler attachment for air-cooled conde

Details Self-contained ambient precooler attachment for air-cooled conde Self-contained ambient precooler attachment for air-cooled conde

1980-05-19

1982-10-12

Makay, Albert J.

Refrigeration

Automatic control

Of external fluid or means

62305, 62315, F25B 3904, F28D 500

Patent

active

043532195

ABSTRACT:
The jacket-like precooler embraces the condensing unit of a residential air conditioning system to position porous fill media of the jacket in upstream airflow relationship to air inlets of the unit. A water discharge manifold along the upper extent of the media may be connected to an outdoor spigot, and a pump situated in a reservoir at the base of the jacket, when plugged into an outdoor electrical outlet, is operable to recirculate water to the manifold after gravitating through the media and precooling ambient air drawn transversely into the unit. A float valve prevents makeup water supplied by the spigot from entering the system when the reservoir is filled to a certain depth, and actuation of the pump is withheld until the ambient air exceeds a certain predetermined temperature. Moreover, the pump is only actuated when the condensing unit itself is in operation as determined by a pressure sensitive device situated within the stream of air drawn into the unit. An alternative embodiment adds the capability of temporarily deactivating the pump and continuously feeding only makeup water to the manifold if the temperature of collected water within the reservoir exceeds a certain predetermined level.

REFERENCES:
patent: 2655795 (1953-10-01), Dyer
patent: 3215059 (1965-11-01), Haas
patent: 3913345 (1975-10-01), Goettl
patent: 3984995 (1976-10-01), Starr et al.
patent: 4182131 (1980-01-01), Marshall et al.
patent: 4212172 (1980-06-01), Manno
patent: 4274266 (1981-06-01), Shires

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