Air conditioner

Abstract

Disclosed herein is an air conditioner equipped with a stabilizer having an improved structure to reduce air-blowing noise. The air conditioner includes a main body having a suction port and a discharge port; a heat exchanger provided in the main body. A crossflow fan is configured to discharge air heat-exchanged by the heat exchanger to the discharge port. A stabilizer is located adjacent to the crossflow fan and comprises a guide section having a first guide portion configured to guide airflow flowing in the main body by the crossflow fan to a suction region and a second guide portion configured to guide the airflow to a discharge region. A flow separation section is connected to the guide section, wherein a location of the flow separating section varies in an axial direction of the crossflow fan and in a rotational direction of the crossflow fan.

What is claimed is: 
     
         1 . An air conditioner comprising:
 a main body having a suction port and a discharge port;   a heat exchanger provided in the main body;   a crossflow fan configured to discharge air heat-exchanged by the heat exchanger to the discharge port; and   a stabilizer placed adjacent to the crossflow fan and comprising a guide section having a first guide portion configured to guide airflow flowing in the main body by the crossflow fan to a suction region and a second guide portion configured to guide the airflow to a discharge region; and a flow separation section connected to the guide section, wherein a location of the flow separating section varies in an axial direction of the crossflow fan and in a rotational direction of the crossflow fan.   
     
     
         2 . The air conditioner of  claim 1 , wherein the flow separation section has a plurality of curved surfaces in the axial direction of the crossflow fan. 
     
     
         3 . The air conditioner of  claim 1 , wherein:
 the flow separation section comprises fan counterparts connected to the first guide portion and configured to extend in the axial direction of the crossflow fan; and   the fan counterparts are disposed at different locations in the axial direction of the crossflow fan and have different lengths in the rotational direction of the crossflow fan.   
     
     
         4 . The air conditioner of  claim 3 , wherein:
 the crossflow fan comprises a plurality of unit fans connected to each other in the axial direction of the crossflow fan and a plurality of connecting plates, each of which is disposed between and connects the plurality of the unit fans;   the fan counterparts comprise a first portion corresponding to a center of each of the plurality of unit fans and a second portion corresponding to each of the plurality of connecting plates; and   a length of the second portion in the rotational direction of the crossflow fan is greater than a length of the first portion in the rotational direction of the crossflow fan.   
     
     
         5 . The air conditioner of  claim 4 , wherein the length of the second portion in the rotational direction of the crossflow fan is increased in the axial direction of the crossflow fan from the first portion toward the second portion. 
     
     
         6 . The air conditioner of  claim 3 , wherein the fan counterparts are spaced a constant distance from one end of the crossflow fan in a radial direction of the crossflow fan. 
     
     
         7 . The air conditioner of  claim 3 , wherein the fan counterparts have a plurality of curved surfaces in the axial direction of the crossflow fan. 
     
     
         8 . The air conditioner of  claim 4 , wherein an angle in the rotational direction of the crossflow fan between a first imaginary line connecting a center of the crossflow fan and the first portion and a second imaginary line connecting the center of the crossflow fan and the second portion on the same plane is at most 15°. 
     
     
         9 . The air conditioner of  claim 1 , wherein the flow separation section comprises a plurality of ribs arranged in the axial direction of the crossflow fan. 
     
     
         10 . The air conditioner of  claim 9 , wherein the plurality of ribs are arranged at different intervals in the axial direction of the crossflow fan. 
     
     
         11 . The air conditioner of  claim 9 , wherein the plurality of ribs have different thicknesses in the axial direction of the crossflow fan. 
     
     
         12 . The air conditioner of  claim 9 , wherein the plurality of ribs are inclinedly arranged in the axial direction of the crossflow fan. 
     
     
         13 . An air conditioner comprising:
 a main body having a suction port and a discharge port;   a heat exchanger provided in the main body;   a crossflow fan configured to discharge air heat-exchanged by the heat exchanger to the discharge port and comprising a plurality of unit fans and a plurality of connecting plates connecting the plurality of unit fans in an axial direction of the crossflow fan; and   a stabilizer comprising a first guide portion configured to guide airflow flowing to an air suction region in the main body by the crossflow fan, a second guide portion configured to guide the airflow to a discharge region, and a flow separation section disposed between the first guide portion and the second guide portion and configured to connect the first guide portion to the second guide portion,   wherein the flow separation section comprises a fan counterpart connected to the first guide portion and having a length which is increased in the axial direction of the crossflow fan and in a rotational direction of the crossflow fan from a first portion corresponding to a center of each of the plurality of unit fans towards a second portion corresponding to each of the plurality of connecting plates,   wherein the fan counterpart is spaced a constant distance from one end of a blade of the crossflow fan in a radial direction of the crossflow fan.   
     
     
         14 . The air conditioner of  claim 13 , wherein the flow separation section comprises a plurality of ribs arranged at intervals in the axial direction of the crossflow fan. 
     
     
         15 . An air conditioner, comprising:
 a main body having a suction port and a discharge port;   a crossflow fan configured to discharge air, which is suctioned through the suction port, through the discharge port; and   a stabilizer comprising a plurality of ribs arranged at intervals in an axial direction of the crossflow fan and a flow separation section whose location is changed in the axial direction of the crossflow fan and in a rotational direction of the crossflow fan.   
     
     
         16 . The air conditioner of  claim 15 , wherein the flow separation section is spaced a constant distance from a center of the crossflow fan in a radial direction of the crossflow fan. 
     
     
         17 . The air conditioner of  claim 15 , wherein the flow separation section has a plurality of curved surfaces in the axial direction of the crossflow fan.