Stacked-type heat dissipating apparatus

Abstract

A stacked-type heat dissipating apparatus of the present invention includes at least one layer of heat dissipating plate stacked upon a heat guiding plate. The heat dissipating plate has a plurality of strip-shaped projections formed therein to provide a separation space between at least one layer of heat dissipating plate and the heat guiding plate. Each of the strip-shaped projections having two ends respectively formed a first pierced edge in a punch press for providing an air guide channel. Whereby the present invention has a high stacking density at small volume integrally and to assemble easily, further to provide a large porosity, to reduce hydraulic resistance and hydraulic noise.

What is claimed is:  
     
         1 . A stacked-type heat dissipating apparatus, comprising: 
 at least one layer of heat dissipating plate stacked upon a heat guiding plate, the heat dissipating plate having a plurality of strip-shaped projections formed therein to provide a separation space between at least one layer of heat dissipating plate and the heat guiding plate;    an air inlet defined by an opening formed in at least one layer of heat dissipating plate in correspondence with one another; and    each of the strip-shaped projections having two ends respectively formed a first pierced edge in a punch press for providing an air guide channel;    whereby, an air flow is guided from the air inlet to flow through the separation space and the air guide channel between at least one layer of heat dissipating plate and the heat guiding plate.    
     
     
         2 . The stacked-type heat dissipating apparatus as in  claim 1 , further comprising a cooling fan is disposed in corresponding to the air inlet.  
     
     
         3 . The stacked-type heat dissipating apparatus as in  claim 1 , wherein the strip-shaped projections each have a longitudinally side formed a second pierced edge.  
     
     
         4 . The stacked-type heat dissipating apparatus as in  claim 1 , wherein the strip-shaped projections integrally have a tangential shape or a radiated shape or a voluted shape or a concentric shape relative to the air inlet of the heat dissipating plate .  
     
     
         5 . The stacked-type heat dissipating apparatus as in  claim 1 , wherein the heat dissipating plate has a plurality of folded corner portions for joining at least one layer of heat dissipating plate together.  
     
     
         6 . The stacked-type heat dissipating apparatus as in  claim 1 , wherein the heat dissipating plate has at least a lateral side extended a folded side portion for decreasing thermal resistance.  
     
     
         7 . The stacked-type heat dissipating apparatus as in  claim 1 , wherein the heat guiding plate is a lowest heat dissipating plate contacted to a heat source.  
     
     
         8 . The stacked-type heat dissipating apparatus as in  claim 7 , wherein the heat guiding plate has at least one upward folded plate, the upward folded plate contacted in corresponding to at least one lateral side of at least one layer of heat dissipating plate, so as to limit an air outlet direction and also to reduce the thermal resistance between the heat guiding plate and at least one layer of heat dissipating plate.