Oil separator

Abstract

The present disclosure relates to an oil separator. The oil separator according to the present disclosure includes: a body having a space therein; a refrigerant discharge pipe connected to one side of the body, and discharging refrigerant which exists in the space; a supply pipe connected to the other side of the body, and sending refrigerant including ejected from a compressor to the space; and an oil discharge pipe connected to another side of the body, and discharging oil which exists in the space. The supply pipe includes a first inner supply pipe extended from a circumferential surface of the body to an inside having the space, and a second inner supply pipe disposed in the space, disposed to be spaced apart from the circumferential surface of the body, and having a form bent in a central direction of the body.

What is claimed is: 
     
         1 . An oil separator comprising:
 a body having a space therein;   a refrigerant discharge pipe connected to one side of the body, and discharging refrigerant which exists in the space;   a supply pipe connected to the other side of the body, and sending refrigerant including ejected from a compressor to the space; and   an oil discharge pipe connected to another side of the body, and discharging oil which exists in the space,   wherein the supply pipe includes   a first inner supply pipe extended from a circumferential surface of the body to an inside having the space, and   a second inner supply pipe disposed in the space, disposed to be spaced apart from the circumferential surface of the body, and having a form bent in a central direction of the body.   
     
     
         2 . The oil separator of  claim 1 , wherein a center of a curvature of the second inner supply pipe is disposed in the same direction as the center of the body based on the second inner supply pipe. 
     
     
         3 . The oil separator of  claim 1 , wherein a pipe diameter of the second inner supply pipe is formed to be smaller than a pipe diameter of the first inner supply pipe. 
     
     
         4 . The oil separator of  claim 1 , wherein the pipe diameter of the second inner supply pipe is formed in a size which is 0.5 times to 0.8 times of the pipe diameter of the first inner supply pipe. 
     
     
         5 . The oil separator of  claim 1 , wherein a length with which the first inner supply pipe is extended in a longitudinal direction along a center of the pipe is formed to be larger than a length with which the second inner supply pipe is extended along the center of the pipe. 
     
     
         6 . The oil separator of  claim 1 , wherein at an end portion of the second inner supply pipe, a virtual straight line extended along the center of the second inner supply pipe and a tangent line of the circumference surface of the body at a location most adjacent to the end portion of the second inner supply pipe are parallel to each other, or form an inclination angle less than 30 degrees. 
     
     
         7 . The oil separator of  claim 1 , wherein the supply pipe is disposed to be spaced apart from a virtual first center line which is in line with a direction in which the supply pipe is inserted into the body, and passes through the center of the body. 
     
     
         8 . The oil separator of  claim 7 , wherein the first inner supply pipe passes through the center of the body, and extends to pass through a second center line perpendicular to the first center line. 
     
     
         9 . The oil separator of  claim 8 , wherein the second inner supply pipe extends to pass through the first center line. 
     
     
         10 . The oil separator of  claim 8 , wherein the second inner supply pipe is bent at a location passing through the second center line, and extended up to a location passing through the first center line. 
     
     
         11 . The oil separator of  claim 1 , wherein an inclination angle formed by an arc formed from one end portion to the other end portion of the second inner supply pipe is formed to be larger than a right angle. 
     
     
         12 . The oil separator of  claim 1 , wherein a maximum length with which the second inner supply pipe which protrudes outwards from a circumferential surface of the first inner supply pipe is formed to be smaller than the pipe diameter of the first inner supply pipe. 
     
     
         13 . The oil separator of  claim 1 , wherein at a location where the center of the body and the center of the first inner supply pipe are most adjacent to each other, an interval by which the center of the body and the center of the first inner supply pipe are spaced apart from each other is formed to be smaller than a half of a radius of the body. 
     
     
         14 . The oil separator of  claim 1 , wherein the supply pipe further includes a connection supply pipe connecting the first inner supply pipe and the second inner supply pipe, and having a form in which a pipe diameter is reduced. 
     
     
         15 . The oil separator of  claim 14 , wherein an extended length of the connection supply pipe is formed to be smaller than the extended length of the second inner supply pipe. 
     
     
         16 . The oil separator of  claim 1 , wherein the supply pipe further includes an outer supply pipe extended outwards to the outside of the body, and
 a first protrusion protruding in one direction, and a second protrusion protruding in a different direction from the first protrusion are disposed on an outer circumferential surface of the outer supply pipe.   
     
     
         17 . The oil separator of  claim 16 , wherein each of the first protrusion and the second protrusion is disposed to be in contact with the circumferential surface of the body. 
     
     
         18 . The oil separator of  claim 16 , wherein the first protrusion and the second protrusion are disposed in opposite directions to each other, and disposed to be spaced apart from each other in a longitudinal direction in which the outer supply pipe is extended. 
     
     
         19 . The oil separator of  claim 1 , wherein the refrigerant discharge pipe penetrates a refrigerant discharge pipe hole formed at an upper portion of the body, and extends to the inside of the space of the body. 
     
     
         20 . An oil separator comprising:
 a body having a space therein;   a refrigerant discharge pipe connected to one side of the body, and discharging refrigerant which exists in the space;   a supply pipe connected to the other side of the body, and sending refrigerant including ejected from a compressor to the space; and   an oil discharge pipe connected to another side of the body, and discharging oil which exists in the space,   wherein the supply pipe includes an inner supply pipe extended from a circumferential surface of the body to an inside having the space,   the inner supply pipe is extended up to a location passing through a center of the body, and   an end portion of the inner supply pipe forms a curved surface bent in a direction in which the center of the body is positioned at a location passing through the center of the body.