Pump, cooler, and electronic device

Abstract

A pump includes a pump housing, a rotary unit, and a motor to rotate the rotary unit. The pump housing has a heat receiving surface thermally coupled to a CPU, a pump chamber, and three mounting portions provided around the pump chamber. The rotary unit is provided in the pump chamber.

1 . A pump comprising: 
 a pump housing including 
 a heat receiving surface thermally coupled to a heat generating unit,  
 a pump chamber to receive liquid coolant, and  
 three mounting portions at least one of which is located near a middle portion of a side of the pump housing;  
   a rotary unit in the pump chamber; and    a motor coupled to the rotary unit, the motor to rotate the rotary unit to pump liquid coolant in the pump chamber.    
   
   
       2 . A pump according to  claim 1 , wherein 
 the three mounting portions are positioned so that a center of gravity of the pump housing is included within a triangular region formed by the three mounting portions.    
   
   
       3 . A pump according to  claim 1 , wherein 
 the three mounting portions are positioned so that a center of the rotary unit is included within a triangular region formed by the three mounting portions.    
   
   
       4 . A pump according to  claim 1 , wherein 
 a center of the rotary unit is offset from a center of the pump housing.    
   
   
       5 . A pump according to  claim 3 , wherein 
 the center of the rotary unit is offset from a center of the pump housing.    
   
   
       6 . A pump according to  claim 1 , wherein 
 the other two of the three mounting portions are provided in positions corresponding to end portions of an opposite side of the pump housing.    
   
   
       7 . A pump according to  claim 6 , wherein 
 the three mounting portions are positioned to form a triangular region to securely fasten the pump to a housing of an electronic device.    
   
   
       8 . A pump according to  claim 6 , wherein 
 the pump housing further includes a reservoir tank to hold liquid coolant, and    the three mounting portions are positioned to form a triangular region to increase a capacity of the reservoir tank.    
   
   
       9 . A pump according to  claim 1 , wherein 
 the heat receiving surface of the pump housing has a pair of sides opposing each other and is centered over a center of the heat generating unit    with respect to the center of the pump housing, the rotary unit is positioned in the pump chamber off-center toward one of the pair of sides to more quickly flow liquid coolant over the center of the heat generating unit.    
   
   
       10 . A pump according to  claim 1 , wherein 
 the three mounting portions allow the pump to be more quickly mounted.    
   
   
       11 . A pump according to  claim 1 , wherein 
 the pump housing further has a communication portion to communicate liquid coolant between an interior of the pump housing and an exterior of the pump housing.    
   
   
       12 . A liquid cooling system comprising: 
 a heat dissipation portion;    a circulation path coupled to the heat dissipation portion; and    a pump coupled to the circulation path and a heat generating unit, the pump to transfer heat from the heat generating unit into a liquid coolant and circulate the liquid coolant in the circulation path, the pump including 
 a pump chamber to accommodate a rotary unit to circulate the coolant in the circulation path  
 a motor coupled to the rotary unit to rotate it, and  
 three mounting portions at least one of which is located near a middle portion of a side of the pump.  
   
   
   
       13 . A liquid cooling system according to  claim 12 , wherein 
 the three mounting portions are positioned so that a center of gravity of the pump housing is included within a triangular region formed by the three mounting portions.    
   
   
       14 . A liquid cooling system according to  claim 12 , wherein 
 the three mounting portions are positioned so that a center of the rotary unit is included within a triangular region formed by the three mounting portions.    
   
   
       15 . A liquid cooling system according to  claim 12 , wherein 
 the three mounting portions are positioned to form a triangular region to securely fasten the pump to a housing of an electronic device.    
   
   
       16 . A liquid cooling system according to  claim 12 , wherein 
 the pump housing further includes a reservoir tank to hold liquid coolant, and    the three mounting portions are positioned to form a triangular region to increase a capacity of the reservoir tank.    
   
   
       17 . A liquid cooling system according to  claim 12 , further comprising: 
 an electric fan located adjacent the heat dissipation portion, the electric fan to blow cooling air towards the heat dissipation portion.    
   
   
       18 . An electronic device comprising: 
 a housing having a heat generating unit; and    a cooler mounted in the housing to cool the heat generating unit, the cooler including 
 a heat dissipation portion,  
 a circulation path thermally coupled to the heat dissipation portion, and  
 a pump coupled to the circulation path and the heat generating unit, the pump to circulate a coolant with the circulation path, the pump including 
 a pump housing having a heat receiving surface thermally coupled to the heat generating unit,  
 a pump chamber to pressurize the coolant,  
 a rotary unit in the pump chamber, the rotary unit to transfer the coolant into and out of the circulation path;  
 a motor coupled to the rotary unit, the motor to rotate the rotary unit to transfer coolant, and  
 three mounting portions to secure the pump to the housing.  
 
   
   
   
       19 . An electronic device according to  claim 18 , wherein 
 the pump housing of the pump further includes a reservoir tank to hold liquid coolant, and    the three mounting portions of the pump are positioned to form a triangular region to increase a capacity of the reservoir tank.    
   
   
       20 . An electronic device according to  claim 18 , wherein 
 the cooler further includes 
 an electric fan located adjacent the heat dissipation portion, the electric fan to blow cooling air towards the heat dissipation portion.