Aerosol generating substrate and aerosol generating product

Abstract

An aerosol generating substrate includes: a plurality of airway holes on an inside of the aerosol generating substrate. Each airway hole of the plurality of airway holes extends through at least one end of the aerosol generating substrate along a length direction. The plurality of airway holes are formed in the aerosol generating substrate in a non-uniform distribution.

What is claimed is: 
     
         1 . An aerosol generating substrate, comprising:
 a plurality of airway holes on an inside of the aerosol generating substrate,   wherein each airway hole of the plurality of airway holes extends through at least one end of the aerosol generating substrate along a length direction, and   wherein the plurality of airway holes are formed in the aerosol generating substrate in a non-uniform distribution.   
     
     
         2 . The aerosol generating substrate of  claim 1 , wherein each airway hole extends through two opposite ends of the aerosol generating substrate along the length direction, and
 wherein, on a plane perpendicular to the length direction of the aerosol generating substrate, a cross section of the aerosol generating substrate comprises a circular shape.   
     
     
         3 . The aerosol generating substrate of  claim 1 , wherein the airway holes are distributed on a plurality of trajectory lines,
 wherein the airway holes on a single trajectory line are linearly arranged along a first direction,   wherein the plurality of trajectory lines are arranged along a second direction, and   wherein the first direction and the second direction are not in parallel.   
     
     
         4 . The aerosol generating substrate of  claim 3 , wherein the airway holes on a single trajectory line of the plurality of trajectory lines are arranged along a circumferential direction surrounding a center of the aerosol generating substrate, and
 wherein the plurality of trajectory lines are non-uniformly arranged along a radial direction of the aerosol generating substrate.   
     
     
         5 . The aerosol generating substrate of  claim 3 , wherein the airway holes on a single trajectory line of the plurality of trajectory lines are repeatedly arranged, and
 wherein, along a radial direction of the aerosol generating substrate, apertures of the airway holes on an outermost single trajectory line of the plurality of trajectory lines away from a center of the aerosol generating substrate are larger than apertures of the airway holes on an inner single trajectory line of the plurality of trajectory lines, or apertures of the airway holes on the innermost single trajectory line of the plurality of trajectory lines close to a center of the aerosol generating substrate are larger than apertures of the airway holes on an outer single trajectory line of the plurality of trajectory lines.   
     
     
         6 . The aerosol generating substrate of  claim 3 , wherein the airway holes on a single trajectory line of the plurality of trajectory lines are repeatedly arranged, and
 wherein apertures of the airway holes on each trajectory line of the plurality of trajectory lines increase or decrease radially outward along the aerosol generating substrate.   
     
     
         7 . The aerosol generating substrate of  claim 3 , wherein the airway holes on a single trajectory line of the plurality of trajectory lines are repeatedly arranged, and
 wherein a wall thicknesses of partition walls between the airway holes on two adjacent trajectory lines of the plurality of trajectory lines increase or decrease radially outward along the aerosol generating substrate.   
     
     
         8 . The aerosol generating substrate of  claim 3 , wherein the airway holes on a single trajectory line of the plurality of trajectory lines are linearly arranged along the first direction,
 wherein the plurality of trajectory lines are arranged in parallel along the second direction, and   wherein the first direction is perpendicular to the second direction.   
     
     
         9 . The aerosol generating substrate of  claim 1 , wherein an aperture of an airway hole of the plurality of airway holes increases or decreases from a middle portion to two opposite ends along an axial direction of the aerosol generating substrate, or an aperture of the airway hole of the plurality of airway holes increases from one end of the aerosol generating substrate to an other opposite end. 
     
     
         10 . The aerosol generating substrate of  claim 1 , wherein the inside of the aerosol generating substrate is provided with a first region and a second region, and
 wherein the airway holes of the plurality of airway holes are distributed in the first region.   
     
     
         11 . The aerosol generating substrate of  claim 1 , wherein, on a plane perpendicular to the length direction of the aerosol generating substrate, at least one of:
 a cross section of the aerosol generating substrate comprises an elliptical shape, a runway shape, or a polygonal shape, and   a cross section of the airway hole of the plurality of airway holes comprises a circular shape, an elliptical shape, a runway shape, a sector shape, or a polygonal shape.   
     
     
         12 . The aerosol generating substrate of  claim 1 , wherein an airway groove is formed in an outer sidewall of the aerosol generating substrate, and
 wherein the airway groove extends through at least one end of the aerosol generating substrate along the length direction.   
     
     
         13 . The aerosol generating substrate of  claim 12 , wherein, on a plane perpendicular to the length direction of the aerosol generating substrate, a cross section of the airway groove is the same as a local shape of the airway hole of the plurality of airway holes, or
 wherein, on a plane perpendicular to the length direction of the aerosol generating substrate, a cross section of the airway groove comprises an arc shape, a rectangular shape, or a trapezoidal shape.   
     
     
         14 . An aerosol generating product, comprising:
 the aerosol generating substrate of  claim 1 ;   a functional section, arranged at one end of the aerosol generating substrate along the length direction and includes a filtering section used for filtering an aerosol; and   an outer wrapping layer, configured to wrap a circumferential outside of the functional section and the aerosol generating substrate.   
     
     
         15 . The aerosol generating product of  claim 14 , wherein the functional section comprises a cooling section, and
 wherein the cooling section is located between the filtering section and the aerosol generating substrate.