Connection pipe and refrigerant flowing system comprising the same

Abstract

The embodiment provides a connection pipe and a refrigerant flowing system comprising the same. The connection pipe and the refrigerant flowing system include: a connection pipe main body of which both ends are coupled to first and second refrigerant pipes through which refrigerant is flowed and that has a channel through which refrigerant transferred from the first refrigerant pipe to be transferred to the second refrigerant pipe is flowed; and a flow interfering part that is provided on the channel to interfere the flow of the refrigerant in the direction transferred from the first refrigerant pipe to the channel.

1 . A connection pipe comprising:
 a connection pipe main body of which both ends are coupled to first and second refrigerant pipes through which refrigerant is flowed and that has a channel through which refrigerant transferred from the first refrigerant pipe to be transferred to the second refrigerant pipe is flowed; and   a flow interfering part that is provided on the channel to interfere the flow of the refrigerant in the direction transferred from the first refrigerant pipe to the channel.   
   
   
       2 . The connection pipe according to  claim 1 , wherein the flow interfering part is formed by radially extending a portion of the inner circumferential surface of the connection pipe main body. 
   
   
       3 . The connection pipe according to  claim 1 , wherein guide surfaces that prevents swirling from being generated by the edges between the inner circumferential surface of the connection pipe main body and the upper and lower surfaces of the flow interfering part are formed at the upper and lower surfaces of the flow interfering part corresponding to the upstream side and the downstream side in the direction that the flow is flowed. 
   
   
       4 . The connection pipe according to  claim 3 , wherein the guide surfaces are formed by rounding at least portions of the upper and lower surfaces of the flow interfering part. 
   
   
       5 . The connection pipe according to  claim 1 , wherein the flow interfering part allows the refrigerant to be flowed in the orthogonal direction to the direction that the refrigerant is transferred from the first refrigerant pipe to the channel. 
   
   
       6 . A connection pipe comprising:
 a first coupling part that is coupled to a first refrigerant pipe through which refrigerant is flowed and receives the refrigerant from the first refrigerant pipe;   a second coupling part that is coupled to a second refrigerant pipe connected to the first refrigerant pipe and transfers the refrigerant to the second refrigerant pipe; and   a mixing part that is positioned between the first and second coupling parts and mixes the liquid-phase and gas-phase refrigerant of the refrigerant transferred to the first coupling part with each other to transfer it to the second coupling part.   
   
   
       7 . The connection pipe according to  claim 6 , wherein a channel provided inside the mixing part has a relatively smaller flow cross-sectional area compared to the channels provided inside the first and second coupling parts. 
   
   
       8 . The connection pipe according to  claim 6 , wherein the inner diameter of the mixing part has a relatively smaller value compared to the inner diameter of the first and second coupling parts. 
   
   
       9 . The connection pipe according to  claim 8 , wherein the outer diameter of the mixing part has the same value as the outer diameter of the first and second coupling parts. 
   
   
       10 . The connection pipe according to  claim 6 , wherein the first and second coupling parts are symmetrical with each other based on the mixing part. 
   
   
       11 . A refrigerant flowing system comprising:
 a first refrigerant pipe through which refrigerant is flowed;   a second refrigerant pipe that receives the refrigerant flowed through the first refrigerant pipe; and   a connection pipe that includes a connection pipe main body of which both ends are coupled to first and second refrigerant pipes through which refrigerant is flowed and that has a channel through which refrigerant transferred from the first refrigerant pipe to be transferred to the second refrigerant pipe is flowed, and a flow interfering part that is provided on the channel to interfere the flow of the refrigerant in the direction transferred from the first refrigerant pipe to the channel.   
   
   
       12 . The refrigerant flowing system according to  claim 11 , wherein the flow interfering part is formed by radially extending a portion of the inner circumferential surface of the connection pipe main body. 
   
   
       13 . The refrigerant flowing system according to  claim 11 , wherein guide surfaces that prevents swirling from being generated by the edges between the inner circumferential surface of the connection pipe main body and the upper and lower surfaces of the flow interfering part are formed at the upper and lower surfaces of the flow interfering part corresponding to the upstream side and the downstream side in the direction that the flow is flowed. 
   
   
       14 . The refrigerant flowing system according to  claim 13 , wherein the guide surfaces are formed by rounding at least portions of the upper and lower surfaces of the flow interfering part. 
   
   
       15 . The refrigerant flowing system according to  claim 11 , wherein the flow interfering part allows the refrigerant to be flowed in the orthogonal direction to the direction that the refrigerant is transferred from the first refrigerant pipe to the channel. 
   
   
       16 . The refrigerant flowing system according to  claim 11 , wherein the connection pipe main body includes:
 an inlet channel through which liquid-phase and gas-phase refrigerant transferred from the first refrigerant pipe is flowed;   an outlet channel through which the liquid-phase and gas-phase refrigerant transferred to the second refrigerant pipe connected to the first refrigerant pipe is flowed; and   a mixing channel that has a relatively smaller flow cross-sectional area compared to the inlet and outlet channels and mixes the liquid-phase and gas-phase refrigerant transferred from the inlet channel to transfer it to the outlet channel,   wherein the flow interfering part is positioned on the mixing part.   
   
   
       17 . The refrigerant flowing system according to  claim 16 , wherein the inlet and outlet channels are symmetrical with each other based on the mixing channel. 
   
   
       18 . The refrigerant flowing system according to  claim 11 , wherein the first refrigerant pipe is formed in U shape or in J shape. 
   
   
       19 . The refrigerant flowing system according to  claim 11 , wherein the second refrigerant pipe distributes the refrigerant at least in two directions.