Microheater Atomizer for Consistent Aerosol Flavor Delivery
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Solution Overview
Problem
Existing electrically heated smoking devices suffer from inconsistent flavor release and require inconvenient external heating devices, detracting from the smoking experience.
Innovation Solution
A smoking article utilizing microheaters, such as MEMS-based thin film heaters, to vaporize aerosol precursor components without combustion, featuring a compact design and controlled delivery of flavors or sensations similar to traditional smoking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If external heating devices are used to vaporize or heat volatile materials, then the heating function is achieved, but the device complexity increases and the smoking experience is degraded
Solution Approach 1:
The patent combines the heating element, power source, and control circuitry into an integrated unit that fits within the smoking article itself. The microheater is coupled with a power source and control circuitry to form a self-contained heating system, eliminating the need for separate external heating devices and improving the overall smoking experience.
Solution Approach 2:
The smoking article becomes self-sufficient by incorporating its own power source and control system. The device automatically controls the heating element based on user activation (puff detection), eliminating the need for external equipment and manual intervention, thereby simplifying the user experience.
2Temperature
If combustion is used to heat tobacco, then high temperature is achieved, but harmful combustion and pyrolysis products are generated
Solution Approach 1:
The patent replaces the chemical combustion process with an electrical heating system. Instead of burning tobacco to generate heat, an electric microheater is used to heat the tobacco or volatile material to the required temperature, thereby achieving the desired thermal effect without producing harmful combustion and pyrolysis products.
3Quantity of substance
If volatile materials are heated to generate aerosol, then inhalable substances are delivered, but flavor consistency is difficult to maintain
Solution Approach 1:
The patent incorporates control circuitry that monitors and regulates the heating process. The system detects user activation (such as puffing) and adjusts the power delivered to the microheater accordingly, maintaining optimal heating conditions to ensure consistent vaporization and flavor delivery with each use.
Solution Approach 2:
The heating system is designed to dynamically adjust its operation based on real-time conditions. The control circuitry modulates the heating power in response to user activation, ensuring that the volatile materials are heated to the appropriate temperature range for consistent aerosol generation and flavor delivery throughout the product lifecycle.
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
Provides consistent flavor release and a convenient, compact smoking experience without combustion, enhancing user satisfaction.
Implementation Method 1
A smoking article equipped with Micro-Electro-Mechanical Systems (MEMS) based microheaters that vaporize or aerosolize a composition using an electrical power source
Implementation Method 2
The microheater can be operatively positioned within the smoking article to be substantially in contact with the aerosol precursor composition
Implementation Method 3
utilize electrical energy to vaporize or heat a volatile material
Data Source
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AI summary
A smoking article (10) is provided, comprising an electrical power source (40), a reservoir (205) for an aerosol precursor composition, an air flow path, an atomizer (800) in the form of a micro system connected to the reservoir (205) and defining a chamber (810) so that the aerosol precursor composition passes into the chamber (810) of the atomizer (800) for vaporization to form a vapor that passes out of the chamber (810) and combines with air passing through the air flow path for exit through a mouthend (11) of the smoking article (10).