Evaporative heat exchanger

Details Evaporative heat exchanger Evaporative heat exchanger

1985-10-30

1986-12-30

Chiesa, Richard L.

Gas and liquid contact apparatus

Fluid distribution

Pumping

165 60, 165900, 261109, 261112, 261153, 261DIG11, 261DIG86, 416193R, 416203, B01F 304

Patent

active

046327878

ABSTRACT:
A heat exchanger is disclosed having a coil positioned between an outer casing member with a bottom having a sump formed therein and an inner casing member containing a rotatable shaft to which a fan is mounted. The fan has a first stage or set of blades which pushes air from the outside down over the coils and a second stage or set of blades having a pitch opposite the first set for pulling the air up through the inner casing member to exhaust. A distributor having a pump which operates on centrifugal force is also provided which draws a liquid heat transfer medium preferably water from the sump and rotates with the fan blades to effectively "sling" the medium over the coils as the fan rotates.

REFERENCES:
patent: 1991194 (1935-02-01), Child
patent: 2672328 (1954-03-01), Mart et al.
patent: 3148516 (1964-09-01), Kals
patent: 3385352 (1968-05-01), Engalitcheff, Jr. et al.
patent: 3500615 (1970-03-01), Meek
patent: 3635589 (1972-01-01), Kristiansen
patent: 3865911 (1975-02-01), Lefevre
patent: 4273733 (1981-06-01), Kals
patent: 4476065 (1984-10-01), McKey

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