Carbon-based waterlock with attached heat-exchanger for cooling of electronic devices

Abstract

A cooling device for an electric component or components, includes a coolant liquid circulation system, a carbon-based heat intake block for transferring heat from said electrical component or components, a top layer on the carbon block for increasing thermal inertia during heat transfer via said layer by system coolant, and means whereby the heated coolant transfers heat to a heat remover.

1 . In a cooling device for an electrical component or components, the combination of:
 a) a coolant liquid cooling system,   b) a carbon-based heat intake block for transferring heat from said electrical component or components,   c) a top layer on the carbon block for increasing thermal inertia during heat transfer via said layer to system coolant, and   d) means whereby the heated coolant transfers heat to a heat remover.   
   
   
       2 . The combination of  claim 1  wherein the liquid cooling system is self contained and hermetically sealed. 
   
   
       3 . The combination of  claim 1  including a diaphragm in contact with the coolant for thermal expansion compensation 
   
   
       4 . The device of  claims 2  or  3  including a fan to move air over heat removing radiator fins, the fan located in alignment with the block. 
   
   
       5 . The device of  claim 4  where the fan is a centrifugal fan in alignment with the block and said top layer. 
   
   
       6 . The device of any of the preceding-claims where additional cooling means are provided and ported to a cooler. 
   
   
       7 . A method for cooling electric components, comprising in combination: passing liquid through a cooling system having a carbon-based heat transfer block, wherein the carbon-based block has a top layer of a different material for increasing thermal inertia; and a plumbing system in which coolant to which heat is transferred via said layer and is pumped by a pump through pipes thermally coupled to heat radiator fins. 
   
   
       8 . The method of  claim 7  wherein the liquid cooling system is self contained and hermetically sealed. 
   
   
       9 . The method of  claim 8  wherein the thermal expansion of the coolant is compensated for by an expansion chamber. 
   
   
       10 . The method of  claim 9  wherein the expansion chamber is formed at least in part by a flexible diaphragm. 
   
   
       11 . The method of  claim 9  wherein air is moved in cooling relation across the fins by a fan, in alignment with the block. 
   
   
       12 . The method of  claim 11  wherein the fan is a centrifugal fan. 
   
   
       13 . The method of  claim 9  wherein the expansion chamber, pump and diaphragm are in alignment with said carbon block, providing a compact assembly. 
   
   
       14 . The method of  claim 7 - 12  wherein additional cooling means are operatively attached to a main cooler defined by said system. 
   
   
       15 . Cooling apparatus for an electrical component or components, comprising in combination:
 a) a housing defining first and second liquid coolant flow chambers, in communication,   b) pyrolytic carbon structure association with the housing to transfer heat from said component or components to coolant flowing in the first chamber, thereby heating the coolant,   c) thermal inertion means in the path of heat transfer from said block to the coolant in the first chamber, said means having a composition different from that of said structure,   d) other means for flowing heated coolant from the second chamber to heat removal means and for returning said coolant to the first chamber.   
   
   
       16 . The combination of  claim 15  including an elastic diaphragm forming a wall of the second chamber, to deflect in response to pressure increase of the coolant. 
   
   
       17 . The combination of  claim 15  wherein said thermal inertia means has the forms of a layer on the carbon structure, said layer having an irregular surface exposed to coolant in the first chamber. 
   
   
       18 . The combination of  claim 17  wherein said layer consists primarily of a material selected from the group that includes aluminum, copper, silver and gold. 
   
   
       19 . The combination of  claim 17  wherein the carbon consists of a block of carbon having molecular cleavage planes that extend toward said layer. 
   
   
       20 . The combination of  claim 14  including said heat removal means that comprises one of the following structures:
 x 1 ) a centrifugal fan in alignment with the block, heat radiating fins extending about the fan, and said other means including coolant ducting extending in heat transfer relation with the fins,   x 2 ) a heat radiator spaced from said housing, said other means including coolant ducting extending between said radiator and said second chamber.   
   
   
       21 . The combination of  claim 19  wherein said other means includes a cover over said second chamber and defining flow paths communicating between said ducting and said second chamber. 
   
   
       22 . The combination of  claim 17  wherein said irregular surface faces toward a pump delivering coolant toward and through an opening in an enclosure extending about the pump, and flowing toward and against said irregular surface. 
   
   
       23 . The combination of  claim 12  wherein said layer is metallic and forms said irregular surface, said layer engaging the side of a carbon block having cleavage planes extending toward the metallic block. 
   
   
       24 . The combination of  claim 23  wherein said layer consists of a metal selected from the group consisting of aluminum, copper, silver and gold. 
   
   
       25 . The combination of  claim 22  including coolant passages in housing and housing cover structure enclosing the pump, there being cooling fins spaced above the cover and coolant pipes extending through the fins and communicating with said passages, and a centrifugal fan located between banks of said fins.