DEVICE FOR THERMALLY COOLING AN OBJECT FROM A COLD SOURCE SUCH AS A CRYOGENIC FLUID BATH

摘要

The cooling device comprises: a first element (2) of heat exchange with the cold source (1); • a set of the first heat exchange fins (3) connected to the first heat exchange element (2), at one of their ends; a second element (4) of heat exchange with the object to be cooled (200); • a set of second heat exchange fins (5) connected to the second heat exchange element (4), at one of their ends; • a chamber (6) containing: - the first blades (3) and the second blades (5) are inserted and without mechanical contact between them, each fin is inserted into an interstitial space, -, and a gas of heat exchange (7) to an internal pressure is desired; according to the invention, the other end of each fin (3, 5), opposite the end connected to the heat exchange element (2, 4), carries a positioning wedge designed to be positioned, advantageously, said blade in the interstitial space in which it is inserted.