Refrigeration – Processes – Circulating external gas
Patent
1977-02-04
1978-08-01
King, Lloyd L.
Refrigeration
Processes
Circulating external gas
62271, 165 20, 236 44R, F25D 1706, F25D 2300, F24F 314, B01F 302
Patent
active
041035089
ABSTRACT:
A method and apparatus for providing temperature and humidity controlled air to an enclosed space within a building to achieve desired conditions of temperature and humidity therein, and which is characterized by the maximum use of the outside air for cooling purposes to thereby minimize the load on the refrigeration unit and thus also minimize the operating expense thereof. In particular, the present method and apparatus includes means for selectively positioning the outside air damper and return air damper in an air washer system such that the outside air and return air are introduced into a mixing chamber during conditions wherein the outside air has a wet bulb temperature above the dew point temperature of air at the desired conditions of temperature and humidity, and below the wet bulb temperature of air at the desired conditions of temperature and humidity, with the return air being introduced in a quantity only sufficient to provide sufficient heat to maintain the continuous operation of the refrigeration unit.
REFERENCES:
patent: RE17998 (1931-03-01), Fleisher
patent: 1670656 (1928-05-01), Fleisher
patent: 2123742 (1938-07-01), Offen
patent: 2156293 (1939-05-01), Kaufman
patent: 2338382 (1944-01-01), Marlow
patent: 2374208 (1945-04-01), Jones, Jr.
patent: 3532156 (1970-10-01), Berryhill
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