Flexible Heater Layout for Consistent Heat-Not-Burn Aerosolization
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Solution Overview
Problem
Existing electrically heated smoking articles face performance inconsistencies and require large battery capabilities, limiting their ability to provide the sensations of cigarette, cigar, or pipe smoking without substantial combustion.
Innovation Solution
An aerosol delivery device with a tubular control body, a heating member, and a power source, featuring a flexible heating member that surrounds a heating cylinder, providing efficient heat to an inhalable substance medium, such as tobacco, to form an aerosol, with a control component that regulates current flow for optimal performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing electrically heated smoking articles are used, then they can provide sensations of cigarette, cigar, or pipe smoking without substantial combustion, but they face performance inconsistencies and require large battery capabilities
Solution Approach 1:
The patent changes the heating parameters by using a flexible heating member that can be positioned in direct contact with the inhalable substance medium, enabling precise temperature control and consistent heating performance while reducing energy consumption through efficient heat transfer
Solution Approach 2:
The patent replaces traditional mechanical combustion systems with an electronically controlled heating system that uses electrical energy to heat the inhalable substance medium, providing consistent performance without requiring large battery capabilities through optimized heating efficiency
2Productivity
If a heating member is designed to provide efficient heat to inhalable substance medium, then aerosol formation efficiency improves, but device complexity increases
Solution Approach 1:
The patent uses a flexible heating member that can conform to the shape of the inhalable substance medium, providing efficient heat transfer through direct contact while maintaining a simple structure that does not significantly increase device complexity
Solution Approach 2:
The flexible heating member is positioned within the control body in a compact arrangement that nests the heating components efficiently, achieving high aerosol formation efficiency without adding significant structural complexity to the overall device
3Speed
If heating temperature is increased to improve aerosol formation, then heating speed increases, but energy consumption increases
Solution Approach 1:
The flexible heating member acts as an intermediary that transfers heat efficiently from the power source to the inhalable substance medium, enabling rapid heating through direct contact while minimizing energy loss and improving overall power source efficiency
Solution Approach 2:
The control component regulates current flow to the heating member in a periodic manner, providing optimal heating speed during the heating phase while reducing energy consumption during non-heating phases, thereby improving power source efficiency
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 achieves efficient aerosol formation with up to 96% power source efficiency, reaching temperature in less than 10 seconds, and provides a consistent smoking experience with reduced battery requirements.
Implementation Method 1
a heating member configured to provide heat to at least a portion of the aerosol source member so as to form an inhalable aerosol
Implementation Method 2
The heating member may be configured to provide heat to at least a portion of the aerosol source member
Implementation Method 3
utilize electrically-generated heat to heat tobacco or a tobacco derived material, preferably without significant combustion, in order to provide an inhalable substance in the form of an aerosol
Data Source
AI summary
Aerosol delivery devices are disclosed herein. In one aspect, an aerosol delivery device may comprise a control body, a heating member, a control component, a power source, and a removable aerosol source member that includes an inhalable substance medium, the aerosol source member being configured to be inserted into the control body and defining a heated end and a mouth end, the heated end configured, when inserted into the control body, to be positioned proximate the heating member. In some implementations, the heating member may comprise a base heating member and a substrate heating member, wherein the base heating member is located in the control body and the substrate heating member is located in the aerosol source member. In some implementations, the heating member may comprise a flexible heating member that surrounds a heating cylinder located within a portion of the engaging end of the control body.