Refrigeration – Material cooling means including gas-liquid contactor – With gas forcing or directing means
Patent
1999-05-03
2000-05-02
Doerrler, William
Refrigeration
Material cooling means including gas-liquid contactor
With gas forcing or directing means
62121, F28D 500
Patent
active
060558245
ABSTRACT:
A method and device refrigerate a fluid by adding a volatile liquid mist to a flow of a gas to saturate the gas with vapor of the volatile liquid, to cause a large amount of misty minute liquid drops of the volatile liquid to float in the gas and to form a cooling gas. The cooling gas is directed through a first flow passage of a heat exchanger having first and second flow passages. The fluid to be refrigerated is directed through the second flow passage of the heat exchanger, so that heat from the fluid is transferred to the cooling gas, while the cooling gas passes through the first flow passage of the heat exchanger to elevate the temperature of the cooling gas. A portion of the minute liquid drops floating in the cooling gas are allowed to vaporize due to the elevated temperature of the cooling gas. The temperature of the cooling gas is continuously lowered by the heat of vaporization of the vaporizing minute liquid drops. The fluid passing through the heat exchanger is thus continuously refrigerated with the cooling gas having the continuously lowered temperature.
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Hirose Tsutomu
Kawakami Yukito
Kuma Toshimi
Doerrler William
Kabushiki Gaisha Seibu Giken
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