Cooling device and method for the manufacturing thereof

Abstract

A cooling device comprises a main body ( 4 ) and an adapter device ( 5 ) arranged at an end ( 4 a ) of the main body. The main body is provided with a plurality of channels ( 6, 7 ) running from one to the other one of the oppositely located ends of the main body. A further adapter device is arranged at the other end of the main body and each of the adapter devices comprises two separate chambers ( 10, 11 ) and, for each of the two separate chambers, an input/output ( 10 a, 11 a ) in fluid communication with the chamber, and holes ( 12, 13 ) providing fluid communication between the chamber and alternating ones of said plurality of channels, thereby providing two separate fluid path systems.

1 . A cooling device comprising a main body and an adapter device arranged at one of two oppositely located ends of said main body, wherein
 the main body is provided with a plurality of channels running from one to the other one of the oppositely located ends of said main body, characterized in   a further adapter device arranged at the other one of the oppositely located ends of said main body, wherein each of the adapter devices comprises two separate chambers and, for each of the two separate chambers, an input/output in fluid communication with the chamber, and holes providing fluid communication between the chamber and alternating ones of said plurality of channels, thereby providing two separate fluid path systems.   
     
     
         2 . The cooling device of  claim 1 , wherein said main body is arranged to house electronic circuitry on at least one surface thereof. 
     
     
         3 . The cooling device of  claim 1 , wherein the main body is flat extending in a horizontal plane, the separate chambers of each of the adapter devices are comprised of a lower and an upper chamber, and the holes are extending essentially in directions which are angled with respect to said horizontal plane. 
     
     
         4 . The cooling device of  claim 3 , wherein said angles are less than 60°. 
     
     
         5 . The cooling device of  claim 3 , wherein said angles are located in a vertical plane parallel with a direction in which said channels run. 
     
     
         6 . The cooling device of  claim 1 , wherein the holes provide fluid communication between one of the chambers of each of the adapter devices and every second of said plurality of channels and between the other one of the chambers of each of the adapter devices and every second of said plurality of channels. 
     
     
         7 . The cooling device of  claim 1 , wherein said holes have each an elongated cross section extending essentially in a direction located in a vertical plane parallel with a direction in which said channels run. 
     
     
         8 . The cooling device of  claim 1 , wherein said channels are located in a single plane. 
     
     
         9 . The cooling device of  claim 1 , wherein said channels are essentially parallel to one another. 
     
     
         10 . The cooling device of  claim 1 , wherein said channels have each an elongated cross section extending essentially in a direction perpendicular to a surface of said main body. 
     
     
         11 . The cooling device of  claim 1 , wherein the chamber of the adapter device is elongated extending in a direction essentially perpendicular to a direction in which said channels run and essentially parallel with a surface of the main body. 
     
     
         12 . The cooling device of  claim 1  comprising means provided for passing cooling fluid through said two separate fluid path systems in opposite directions. 
     
     
         13 . The cooling device of any of  claim 1 , wherein said main body is arranged to house electronic circuitry on two oppositely located surfaces thereof. 
     
     
         14 . A method for the manufacturing of a cooling device comprising the steps of:
 providing a main body with a plurality of channels running from one to the other one of oppositely located ends of the main body;   providing an adapter device with two separate chambers and, for each of the two chambers, with an input/output and holes in fluid communication with the chamber; and   attaching said adapter device to the main body at one of the oppositely located ends thereof, with the side at which the holes are located facing the main body, wherein the adapter device and the main body are aligned to one another and the channels and holes are provided so as to obtain fluid communication between each of the chambers and alternating ones of said plurality of channels, characterized by   providing a further adapter device with two separate chambers and, for each of the two chambers, with an input/output and holes in fluid communication with the chamber; and   attaching said further adapter device to the main body at the other one of the oppositely located ends thereof, with the side at which the holes are located facing the main body, wherein the further adapter device and the main body are aligned to one another and the channels and holes of the further adapter device are provided so as to obtain fluid communication between each of the chambers of the further adapter device and alternating ones of said plurality of channels.   
     
     
         15 . The method of  claim 14 , further characterized by arranging said main body to house power electronic circuitry on at least one surface thereof. 
     
     
         16 . The method of  claim 14 , wherein the main body is provided to be flat extending essentially in a horizontal plane, the separate chambers of each of the adapter devices are provided as a lower and an upper chamber, and the holes are provided to extend essentially in directions which are angled with respect to said horizontal plane. 
     
     
         17 . The method of  claim 14 , further characterized by forming the main body with the channels by means of extrusion. 
     
     
         18 . The method of  claim 14 , wherein the adapter devices with the chambers are formed by (i) extruding and attaching end covers to the extruded structure, thereby forming the chambers; and (ii) milling or drilling the holes. 
     
     
         19 . The cooling device of  claim 4 , wherein said angles are between 40° and 50°. 
     
     
         20 . The cooling device of  claim 19 , wherein said angles are 45°.