Heat exchanger

Abstract

Heat exchanger which is composed of a base plate ( 2 ), several cooling fins ( 3 ) and accumulator blocks ( 6 ), whereby the cooling fins ( 3 ) are fixed to the base plate ( 2 ) and the accumulator blocks ( 6 ) are pressed in the base plate or provided therein, characterised in that the base plate ( 2 ) and cooling fins ( 3 ) are made of a first metal alloy and in that the accumulator blocks ( 6 ) are made of a second metal alloy whereby the second metal alloy provides for a better heat conduction than the first metal alloy.

1 - 14 . (canceled) 
     
     
         15 . Heat exchanger, comprising a base plate, a plurality of cooling fins and accumulator blocks, said cooling fins being fixed along one side to the base plate and the accumulator blocks being pressed in the base plate or provided therein, said base plate and cooling fins being made of a first metal alloy and said accumulator blocks being made of a second metal alloy, said second metal alloy having higher heat conductivity than said first metal alloy. 
     
     
         16 . Heat exchanger according to  claim 15 , wherein the cooling fins and accumulator blocks are fixed to opposing sides of the base plate, and:
 the accumulator blocks and base plate are directed with their largest surfaces crosswise in relation to the largest surfaces of the cooling fins,   the outer cooling fins each have recesses on one side at their corners on the top side opposite the side thereof connected to the base plate,   the base plate having screw holes extending therethrough in the longitudinal and cross directions.   
     
     
         17 . Heat exchanger according to  claim 16 , wherein chunks with screw holes are provided in the recesses, and the base plate, cooling fins and accumulator blocks are enclosed by a cover plate; a fan module with screw holes which are aligned with recesses; and wherein the cover plate, fan module, chunks and base plate with the cooling fins are fastened together by means of screws. 
     
     
         18 . Heat exchanger according to  claim 17 , wherein the base plate is screwed down on a side where the accumulator blocks are located to an upper side of a strut by means of screws; and wherein two or an even number of tubular elements are provided on a lower side of the strut through which a liquid may be circulated. 
     
     
         19 . Heat exchanger according to  claim 18 , wherein side plates and a frame with holes are fastened to the strut by rings, bushes and screws, enabling the holes in the frame to be connected to uneven and even tubular elements of the strut, and enabling U-shaped pipes to be connected to successive tubular elements on alternating sides. 
     
     
         20 . Heat exchanger according to  claim 15 , including sensors fixed to or in the heat exchanger arranged to measure the temperature or the liquid flow or other data. 
     
     
         21 . Heat exchanger according to  claim 15 , wherein the lower side of each accumulator block is finished in such a way that the maximal average roughness height Ra amounts to 4μ. 
     
     
         22 . Heat exchanger according to  claim 15 , wherein the first metal alloy is aluminium or an aluminium alloy and the second metal alloy is copper or a copper alloy. 
     
     
         23 . Heat exchanger according to  claim 19 , wherein a tube, a liquid circuit, a liquid pump and a head are coupled to the holes that define an inlet and an outlet of the tubular element and a fluid is supplied to the tubular element. 
     
     
         24 . Heat exchanger according to  claim 23 , wherein a treatment head is coupled to the inlet and the outlet of the tubular element by a tube having a supply duct and a return duct, said supply duct being connected to the outlet of the tubular element and the return duct being connected to the inlet of the tubular element. 
     
     
         25 . Heat exchanger according to  claim 24 , wherein the treatment head comprises a tip, a body and a connecting piece; a small feed-through element and a large feed-through element being provided in the body, said large feed-through element having a cavity and the dimensions of the small feed-through element being such that the small feed-through element may be received at least partly in the cavity of the large feed-through element; wherein the small feed-through element has a supply opening through which a cooling liquid can flow from the supply duct of the tube to the large feed-through element and has a return opening through which cooling liquid can flow from the large feed-through element to the return duct of the tube. 
     
     
         26 . Heat exchanger according to  claim 25 , wherein the small feed-through element has a wider part on a side of the tube which is connected to a narrow part on the side of the tip of the treatment head and the large feed-through element has a wider part on a side of the tube which is connected to a narrow part on the side of the tip of the treatment head; the diameter of the wider part of the small feed-through element being substantially equal to the inner diameter of the narrow part of the large feed-through element. 
     
     
         27 . Heat exchanger according to  claim 26 , wherein the wider part of the small feed-through element has an outer thread and the narrow part of the large feed-through element has an inner thread, such that the outer thread of the small feed-through element may mesh with the inner thread of the large feed-through element of the treatment head. 
     
     
         28 . Heat exchanger according to  claim 15 , wherein the heat exchanger is configured as a device for the local treatment of human muscles, the device weighing less than 10 kg.