Refrigeration – Automatic control – Refrigeration producer
Patent
1998-01-20
2000-02-08
Bennett, Henry
Refrigeration
Automatic control
Refrigeration producer
62113, 62117, 62513, F25B 4100
Patent
active
06021645&
ABSTRACT:
There is provided a freezing and cooling system as well as a condensing heat exchanger device capable of reducing in size of a condensing heat exchanger device, promoting a cost reduction of the device in a freezing and cooling system as well as energy saving and promoting to keep a global environment, wherein a freezing cycle is formed such that condensing gaseous refrigerant of high temperature and high pressure discharged from a compressor 1 is divided to flow, the over-half amount of condensing gaseous refrigerant is sent into an inner box 6 of a condenser 5 comprised of a double-box type heat exchanger of the inner box 6 and an outer box 7 enclosing the inner box 6, a residual amount of condensing gaseous refrigerant is sent to a capillary coil 8 acting as to increase flowing speed of refrigerant flowing in it, liquid refrigerant of low temperature and low pressure attained through condensing, reducing pressure and expanding at the capillary coil 8 is sent to the outer box 7 of the condenser 5 so as to perform a heat exchanging operation between it and condensing gaseous refrigerant in the inner box 6, thereby the condensing gaseous refrigerant in the inner box 6 is condensed and liquefied, and in turn the liquid refrigerant in the outer box 7 is evaporated and gasified, then liquid refrigerant of high pressure in the inner box 6 is sent to an expansion valve 3 through a liquid pipe 9 to reduce pressure and expand, then it is sent to a cooler 4 to perform a heat exchanging operation of evaporating latent heat between it and either air or cooling water, thereby the refrigerant is evaporated and gasified, the condensing gaseous refrigerant of low pressure evaporated and gasified at the cooler 4 is merged with condensing gaseous refrigerant of low pressure evaporated and gasified at the outer box 7, then the refrigerant is returned back to the compressor 1 and cold heat for use in freezing and cooling operation is obtained at the cooler 4.
REFERENCES:
patent: 2183343 (1939-12-01), Alsing
patent: 2272093 (1942-02-01), McCormack
Bennett Henry
Green Cross Japna Foundation
Norman Marc
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