Cartridge and aerosol generating device including the same

Abstract

A cartridge and an aerosol generating device including the same are provided. The cartridge includes: A cartridge comprising: first chamber configured to store a liquid; second chamber including an inlet and an outlet; wick disposed at the second chamber to be in communication with the first chamber; and heater configured to heat the wick, wherein the second chamber comprises a curved surface defining at least a portion thereof between the inlet and the outlet.

1 . A cartridge comprising:
 first chamber configured to store a liquid;   second chamber including an inlet and an outlet;   wick disposed at the second chamber to be in communication with the first chamber; and   heater configured to heat the wick,   wherein the second chamber comprises a curved surface defining at least a portion thereof between the inlet and the outlet.   
     
     
         2 . The cartridge of  claim 1 , wherein the second chamber comprises an outlet curved surface that defines the second chamber at a periphery of the outlet and is formed in a curved manner. 
     
     
         3 . The cartridge of  claim 2 , wherein the outlet curved surface comprises a first outlet curved surface that surrounds the outlet and having a center of curvature located outside the second chamber, and wherein a circumference of the first outlet curved surface gradually decreases outward from an inner part of the second chamber. 
     
     
         4 . The cartridge of  claim 3 , wherein the first outlet curved surface has a bell-mouth shape. 
     
     
         5 . The cartridge of  claim 2 , wherein the outlet curved surface comprises a second outlet curved surface curved outwardly, wherein a circumference of the second outlet curved surface gradually decreases toward the outlet. 
     
     
         6 . The cartridge of  claim 2 , wherein the outlet curved surface comprises:
 a first outlet curved surface surrounding the outlet and having a center of curvature located outside the second chamber, wherein a circumference of the first outlet curved surface gradually decreases outward from an inner part of the outlet; and   a second outlet curved surface curved outwardly, wherein a circumference of the second outlet curved surface gradually decreases toward the outlet,   wherein the second outlet curved surface and the first outlet curved surface are adjacent to define a continuous surface.   
     
     
         7 . The cartridge of  claim 1 , wherein the second chamber comprises an inlet curved surface that defines the second chamber at a periphery of the inlet and is formed in a curved manner. 
     
     
         8 . The cartridge of  claim 7 , wherein the inlet curved surface comprises a first inlet curved surface that surrounds the inlet and having a center of curvature located outside the second chamber, and wherein a circumference of the first inlet curved surface gradually increases inward from an outer part of the second chamber. 
     
     
         9 . The cartridge of  claim 8 , wherein the first inlet curved surface has a bell-mouth shape. 
     
     
         10 . The cartridge of  claim 7 , wherein the inlet curved surface comprises a second inlet curved surface curved outwardly, wherein a circumference of the second inlet curved surface gradually increases in a direction from the inlet toward the second chamber. 
     
     
         11 . The cartridge of  claim 7 , wherein the inlet curved surface comprises:
 a first inlet curved surface surrounding the inlet and having a center of curvature located outside the second chamber, wherein a circumference of the first inlet curved surface gradually increases inward from an outer part of the second chamber; and   a second inlet curved surface curved outwardly, wherein a circumference of the second inlet curved surface gradually increases from the inlet toward the second chamber,   wherein the second inlet curved surface and the first inlet curved surface are adjacent to define a continuous surface.   
     
     
         12 . The cartridge of  claim 1 , wherein the wick is disposed between the inlet and the outlet to be extended to one side,
 wherein at least one of the inlet or the outlet faces the wick in a direction intersecting a longitudinal direction of the wick, and   wherein a diameter of the at least one of the inlet or the outlet along a first axis along the longitudinal direction of the wick is greater than its diameter along a second axis orthogonal to the first axis.   
     
     
         13 . The cartridge of  claim 12 , wherein the second chamber comprises an inlet curved surface having a circumference that gradually increases from the inlet toward the wick, the inlet curved surface defining a portion of the second chamber. 
     
     
         14 . The cartridge of  claim 12 , wherein the second chamber comprises an outlet curved surface having a circumference that gradually decreases toward the outlet from the wick, the outlet curved surface defining a portion of the second chamber. 
     
     
         15 . The cartridge of  claim 1 , further comprising a baffle installed at the inlet and having a plurality of holes.