Patent ID: 6205811
Filing Date: 2001-03-27
Classification: B01D,F25B,F28B,F28D,F28F

Abstract:
A device for modifying a temperature of a working medium, comprising:a first heat exchange path traversed by the working medium and installed in a thermal exchange relationship with a transfer path traversed by a transfer medium;a refrigeration circuit comprising a second and a third heat-exchange path for a refrigeration medium, one said path having a function of heat absorption by the refrigeration circuit and the other said path having a function of heat release by the refrigeration circuit, at least at certain stages of operation;one of the second and third exchange paths is installed in a thermal exchange relationship with the transfer path upstream of the first exchange path in such a way that the temperature of the transfer medium is modified by heat exchange with the refrigeration medium before the thermal exchange between the transfer medium and the working medium traversing the first exchange path; andthe transfer path is an open path having, upstream of the exchange paths, an inlet path in which the temperature conditions are substantially independent of the conditions of operation of the device.