Inhaler Heater Element Temperature Control
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Solution Overview
Problem
Existing inhaler devices require frequent activation of a heater element to maintain the substrate at a suitable temperature for vaporization or atomization, which can be inconvenient and inefficient, and may not maintain the substrate at an optimal temperature for extended use.
Innovation Solution
An inhaler apparatus with a temperature controllable switch and heater element that maintains a target temperature between 20° C. to 50° C. for a period of 2 to 8 minutes, allowing for continuous use without reactivation, using an electrical heater or chemical exothermic reaction for heating, and a temperature sensor to monitor and control the temperature.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If the heater element is activated frequently to maintain substrate temperature, then the substrate temperature is maintained, but the device complexity and user operation become more complex
Solution Approach 1:
The system uses a temperature sensor to automatically monitor substrate temperature and controls the heater element to maintain the target temperature without requiring user intervention. The microprocessor automatically activates or deactivates the heater based on temperature feedback, making the system self-regulating and eliminating the need for frequent manual activation.
2Temperature
If the heater element is activated continuously to maintain substrate temperature, then the substrate temperature is maintained, but energy consumption increases
Solution Approach 1:
The heater element is controlled in periodic cycles rather than continuous operation. The microprocessor monitors temperature periodically and activates the heater only when the temperature drops below the target threshold, then deactivates it when the target temperature is reached. This periodic on-off control maintains temperature while minimizing energy consumption.
3Temperature
If the heater element is activated frequently to maintain substrate temperature, then the substrate temperature is maintained, but the duration of action becomes shorter
Solution Approach 1:
The temperature sensor provides continuous feedback to the microprocessor about the substrate temperature. This feedback loop enables the system to maintain the target temperature throughout the entire duration of substrate presence in the device, extending the effective duration of action from minutes to potentially hours, as the temperature is automatically maintained without manual intervention.
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 solution allows for efficient and prolonged operation of the inhaler at a stable temperature, enhancing vaporization or atomization of substances and providing a more user-friendly experience by eliminating the need for continuous activation of the heater element.
Implementation Method 1
a heater element arranged in the inhaler to be proximal to a substrate region configured for supporting a vapour or atomiser precursor substrate
Implementation Method 2
a temperature sensor operative to provide a signal to the temperature controllable switch indicative of a temperature in the substrate region
Implementation Method 3
a capsule containing a substrate impregnated with nicotine... particles of nicotine or nicotine carrying medium may be atomised and delivered
Implementation Method 4
particles of nicotine or nicotine carrying medium may be atomised and delivered to a user's respiratory system
Data Source
AI summary
The present invention relates to an inhaler comprising: an assembly including a heater element arranged in the inhaler to be proximal to a substrate region configured for supporting a vapour or atomiser precursor substrate; wherein the assembly is configured such that the heater element is operative to achieve and maintain a target temperature in the substrate region throughout a period corresponding to a plurality of consecutive uses of the inhaler.