(57) The invention relates to a heat exchanger for transferring heat from a heat source
to a fluid flowing in a first channel, comprising an inner wall made of heat conducting
material, surrounding the heat source, being thermally connected with the heat source
and having the shape of a surface of revolution, a outer wall concentric to the inner
wall, wherein the distance between both walls is substantially constant and a first
conduit comprising the first channel, extending between both walls and being in thermal
contact with the inner wall. Preferably said tube has been deformed by subjecting
the inner side of the tube to a pressure sufficiently high to cause such a permanent
deforming of the tube that it is clamped between the inner and outer walls.
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