Distributor and refrigerant circulation system comprising the same

Abstract

The embodiment provides a distributor and refrigerant circulation system comprising the same. A distributor includes: an inlet flow passage on which liquid and gaseous refrigerants that flows in from the inlet pipe flows; a distribution flow passage that receives the liquid and gaseous refrigerants which flow in to the inlet flow passage and distributes the received liquid and gaseous refrigerants to the plurality of outlet pipes; and a distribution projection that evenly distributes the refrigerant to the outlet pipe through the distribution unit.

1 . A distributor, comprising:
 an inlet flow passage on which liquid and gaseous refrigerants that flows in from the inlet pipe flows;   a distribution flow passage that receives the liquid and gaseous refrigerants which flow in to the inlet flow passage and distributes the received liquid and gaseous refrigerants to the plurality of outlet pipes; and   a distribution projection that evenly distributes the refrigerant to the outlet pipe through the distribution unit.   
   
   
       2 . The distributor according to  claim 1 , wherein a downstream end portion of the distribution unit extends to slope to a direction in which the refrigerant flows at a predetermined angle in a state where upstream end portions are positioned separated from each other by a predetermined central angle on a virtual circular arc having the same center. 
   
   
       3 . The distributor according to  claim 2 , wherein the distribution projection is provided at one side of the distribution flow passage corresponding to the center of the virtual circular arc where the distribution unit is positioned. 
   
   
       4 . The distributor according to  claim 1 , wherein the distribution projection has a cone shape that projects to an upstream portion from a downstream portion of the distribution flow passage adjacent to the distribution unit. 
   
   
       5 . The distributor according to  claim 4 , wherein an outer peripheral surface of the distribution projection is separated from an outer periphery of the distribution unit at the same interval. 
   
   
       6 . The distributor according to  claim 1 , further comprising:
 a flow interference unit that has a flow cross-sectional area comparatively smaller than the inlet flow passage and the distribution flow passage and interferes the liquid and gaseous refrigerants that flow on the inlet flow passage from flowing in the same direction as an inlet direction from the inlet pipe.   
   
   
       7 . The distributor according to  claim 6 , wherein in the flow interference unit, a flow cross-sectional area of a part of a downstream portion of the inlet flow passage adjacent to the distribution flow passage is comparatively smaller than the flow cross-sectional area of the rest portions of the inlet flow passage. 
   
   
       8 . The distributor according to  claim 6 , wherein one surface of the flow interference unit facing the downstream portion of the inlet flow passage is rounded. 
   
   
       9 . A distributor, comprising:
 an inlet flow passage on which liquid and gaseous refrigerants that flow in from the inlet pipe; and   a distribution flow passage including a mixing unit receiving the liquid and gaseous refrigerants that flows into the inlet flow passage and a plurality of distribution units distributing the refrigerants to the plurality of outlet pipes of which upstream end portions are in communication with downstream portions of the mixing unit,   wherein the flow cross-sectional area of the downstream portion of the mixing unit is reduced toward the distribution unit.   
   
   
       10 . The distributor according to  claim 9 , wherein the downstream portion of the mixing unit that is in communication with the upstream end portion of the distribution unit has a cone shape using a virtual plane to which a virtual straight line parallel to a flowing direction of the refrigerant perpendicularly penetrates as a bottom surface. 
   
   
       11 . The distributor according to  claim 10 , wherein the upstream end portion of the distributor is positioned separated from an outer surface of the mixing unit having the cone shape by a predetermined central angle. 
   
   
       12 . The distributor according to  claim 9 , wherein a flow cross-sectional area of the downstream portion of the mixing unit is reduced toward the distribution unit by a distribution projection formed by projecting a part of the downstream portion of the mixing unit except for a portion which is in communication with the upstream end portion of the distribution unit toward the upstream portion of the mixing unit. 
   
   
       13 . The distributor according to  claim 12 , wherein the distribution projection has a cone shape that projects toward the upstream portion of the distribution unit. 
   
   
       14 . A distributor, comprising:
 a distributor body that includes an inlet flow passage on which liquid and gaseous refrigerants that flow in from the inlet pipe; and   a distributor head that includes a distribution flow passage including a mixing unit receiving the liquid and gaseous refrigerants that flows into the inlet flow passage and a plurality of distribution units distributing the refrigerants to the plurality of outlet pipes of which upstream end portions are in communication with downstream portions of the mixing unit,   wherein the distributor head has a flow cross-sectional area reduced toward the distribution unit from the downstream portion of the mixing unit.   
   
   
       15 . The distributor according to  claim 14 , wherein a part of the distributor head corresponding to the downstream portion of the mixing unit that is in communication with the upstream end portion of the distribution unit has a cone shape using a virtual plane to which a virtual straight line parallel to a flowing direction of the refrigerant perpendicularly penetrates as a bottom surface. 
   
   
       16 . The distributor according to  claim 15 , wherein the upstream end portion of the distributor is positioned separated from an outer surface of the mixing unit having the cone shape by a predetermined central angle. 
   
   
       17 . The distributor according to  claim 14 , wherein a flow cross-sectional area of the downstream portion of the mixing unit is reduced toward the distribution unit by a distribution projection formed by projecting a part of the downstream portion of the mixing unit except for a portion which is in communication with the upstream end portion of the distribution unit toward the upstream portion of the mixing unit. 
   
   
       18 . The distributor according to  claim 14 , wherein the distributor body and the distributor head are fixed by welding or an adhesive. 
   
   
       19 . A refrigeration circulation system, comprising:
 at least one inlet pipe on which a refrigerant flows;   a plurality of outlet pipes that receive the refrigerant which flows on the inlet pipe; and   a distributor that distributes the refrigerant received from the inlet pipe to the outlet pipe,   wherein the distributor includes,   an inlet flow passage on which liquid and gaseous refrigerants that flows in from the inlet pipe flows;   a distribution flow passage that receives the liquid and gaseous refrigerants which flow in to the inlet flow passage and distributes the received liquid and gaseous refrigerants to the plurality of outlet pipes; and   a distribution projection that evenly distributes the refrigerant to the outlet pipe through the distribution unit.   
   
   
       20 . A refrigeration circulation system, comprising:
 at least one inlet pipe on which a refrigerant flows;   a plurality of outlet pipes that receive the refrigerant which flows on the inlet pipe; and   a distributor that distributes the refrigerant received from the inlet pipe to the outlet pipe,   wherein the distributor includes,   a distributor body that includes an inlet flow passage on which liquid and gaseous refrigerants that flow in from the inlet pipe; and   a distributor head that includes a distribution flow passage including a mixing unit receiving the liquid and gaseous refrigerants that flows into the inlet flow passage and a plurality of distribution units distributing the refrigerants to the plurality of outlet pipes of which upstream end portions are in communication with downstream portions of the mixing unit,   wherein the distributor head has a flow cross-sectional area reduced toward the distribution unit from the downstream portion of the mixing unit.