Passive Flavor Aerosol Generator Layout Without Overheating
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Solution Overview
Problem
Existing vaping smoking substitute devices face challenges in delivering flavor compounds without overheating, leading to weak taste sensations due to toxicology restrictions, and there is a need for efficient passive aerosol generation without heat application.
Innovation Solution
An aerosol delivery device with a consumable that includes a passive aerosol generator portion maintained in a central position in the air flow passage, using a support with ribs to grip the generator and a porous member to wick aerosol precursor, forming a flavor aerosol without heating, combined with a separate active generator for nicotine aerosol.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If flavor compounds are heated to produce aerosol vapor, then aerosol generation efficiency is improved, but flavor compounds may be overheated causing toxicology issues and weak taste sensation
Solution Approach 1:
The invention divides the aerosol generation system into two separate generators: a first passive aerosol generator for flavor compounds and a second active aerosol generator for nicotine. This segmentation allows each generator to be optimized for its specific function, with the passive generator avoiding overheating issues by not using heating elements.
Solution Approach 2:
The invention extracts the heating function from the flavor aerosol generation process. By removing the heating element from the first aerosol generator and using only a second aerosol generator with heating capability for nicotine, the system eliminates the risk of overheating flavor compounds while maintaining aerosol generation efficiency.
2Stability of the object's composition
If a support structure is added to maintain central position of aerosol generator, then aerosol distribution uniformity is improved, but device complexity increases
Solution Approach 1:
The support structure is designed with localized features rather than a complex overall structure. The narrowing section of the air flow passage and the positioning features are concentrated in specific areas to maintain the aerosol generator in a substantially central position, providing uniform aerosol distribution without excessive complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The device effectively generates flavor aerosols that inhibit pulmonary penetration while delivering nicotine aerosols for lung absorption, enhancing taste without overheating and adhering to toxicology limits, with efficient aerosol production and distribution.
Implementation Method 1
a porous member to wick aerosol precursor
Implementation Method 2
air flow passage configured to direct air past the aerosol generator portion to pick up the first aerosol precursor from the aerosol generator portion to form a first aerosol
Data Source
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Figure 5
AI summary
An aerosol delivery device comprises: an aerosol generator portion (118) configured to receive a first aerosol precursor; an air flow passage (208) configured to direct air past the aerosol generator portion (118) to pick up the first aerosol precursor from the aerosol generator portion (118) to form a first aerosol; and a support (228) for maintaining the aerosol generator portion (118) in a substantially central position in the air flow passage (208).