Refrigerant Distributor and Method for Manufacturing the Same

Abstract

A refrigerant distributor is disclosed, for minimizing noise and providing refrigerant to each refrigerant tube uniformly, which includes a hollow body ( 11 ) in which a refrigerant flows; an inlet ( 12 ) provided at one end of the body, and through which the refrigerant flows in; and a plurality of discharge holes ( 13 ) provided for being in parallel at the other end of the body.

1 . A refrigerant distributor comprising: 
 a hollow body in which a refrigerant flows;    an inlet provided at one end of the body, and through which the refrigerant flows in; and    a plurality of discharge holes provided for being in parallel at the other end of the body.    
   
   
       2 . The refrigerant distributor as claimed in  claim 1 , wherein the body, the inlet and the plurality of discharge holes are formed as one.  
   
   
       3 . The refrigerant distributor as claimed in  claim 1 , wherein the body includes: 
 an expansion part having an expanding cross section from a rear end of the inlet to a predetermined point toward the discharge holes; and    a taper part formed between an end of the expansion part and the discharge holes.    
   
   
       4 . The refrigerant distributor as claimed in  claim 3 , wherein the taper part is provided to have a height decreasing to the discharge holes, and a width increasing to the discharge holes.  
   
   
       5 . The refrigerant distributor as claimed in  claim 3 , wherein a connection part of the expansion part and the taper part is formed in a round shape.  
   
   
       6 . The refrigerant distributor as claimed in  claim 1 , wherein each cross section of the discharge holes is formed in a circular shape corresponding to that of an outer circumferential surface of a refrigerant tube.  
   
   
       7 . The refrigerant distributor as claimed in  claim 1 , wherein each discharge hole extends at a predetermined length.  
   
   
       8 . The refrigerant distributor as claimed in  claim 1 , wherein the inlet has a circular-shaped cross section.  
   
   
       9 . The refrigerant distributor as claimed in  claim 1 , wherein a width of the body is gradually increased from the inlet to the discharge hole.  
   
   
       10 . The refrigerant distributor as claimed in  claim 1 , wherein the length l a  of the discharge hole is determined in a degree of  
     
       
         
           
             
               
                 
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     l a  is the total length of the refrigerant distributor except the inlet.  
   
   
       11 . The refrigerant distributor as claimed in  claim 1 , the inlet, the body and the discharge holes are formed of metal.  
   
   
       12 . The refrigerant distributor as claimed in  claim 1 , further comprising a filtering member provided in the inlet to filter foreign materials from the refrigerant.  
   
   
       13 . A method for manufacturing a refrigerant distributor comprising: 
 forming an inlet by reducing a diameter of one end of a cylindrical body;    forming a plurality of discharge holes in line by pressing the other end of the body; and    inserting and fixing each refrigerant tube to the discharge hole.    
   
   
       14 . The method as claimed in  claim 10 , wherein the process of forming the discharge holes includes the steps of: 
 forming an expansion part having an expanding cross section from a rear end of the inlet to a predetermined point toward the discharge holes; and    forming a taper part formed by pressing the body between an end of the expansion part and the discharge holes.    
   
   
       15 . The method as claimed in  claim 14 , wherein the taper part is provided to have a height decreasing to the discharge hole, and a width increasing to the discharge hole by pressing.  
   
   
       16 . The method as claimed in  claim 13 , wherein the length l a  of the discharge hole is determined within a degree of  
     
       
         
           
             
               
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             ≤ 
             
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                 l 
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     when forming the discharge holes, l t  is the total length of the refrigerant distributor except the inlet.  
   
   
       17 . The method as claimed in  claim 13 , wherein the inlet, the body and the discharge holes are formed as one with metal.  
   
   
       18 . The method as claimed in  claim 13 , wherein the refrigerant tube is fixed to each discharge hole by welding.