Electronic Smoking Device Shutoff Control for Usage Tracking
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Solution Overview
Problem
Current electronic cigarettes have limitations such as slow vaporization rates, inconsistent vapor quality, difficulty in controlling and monitoring nicotine delivery, and challenges in assembly and automation of manufacturing. Additionally, user interfaces lack clear and intuitive information, making it hard for users to determine when the device is exhausted and complicating smoking cessation programs.
Innovation Solution
The electronic smoking device features a body with a flow path, air inlet, liquid compartment, vaporizer, and circuitry that shuts off the device based on activation time. This includes a method to prevent usage by determining the activation time of the vaporizer and a system to disable the device after a determined amount of usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a wick is used to transport liquid from cartridge to vaporizing element, then the device is easier to manufacture, but the vaporization rate becomes slow and vapor quality becomes inconsistent
Solution Approach 1:
The patent removes the wick component from the system entirely, replacing it with a wickless liquid delivery mechanism where liquid is transported directly to the heating element through capillary channels or pressure-driven flow paths integrated into the cartridge structure, thereby eliminating the bottleneck in liquid transport while simplifying the assembly process
Solution Approach 2:
The mechanical wick-based capillary transport is replaced with an engineered fluid delivery system using controlled pressure differentials, microfluidic channels, or direct contact liquid reservoirs that enable faster and more consistent liquid supply to the heating element
2Device complexity
If a wick is used to transport liquid, then the device structure is simpler, but the ability to control and monitor nicotine delivery is limited
Solution Approach 1:
The patent incorporates sensors (flow sensors, temperature sensors, pressure sensors) that provide real-time feedback to a control circuit, enabling the system to monitor liquid consumption, heating temperature, and puff characteristics, thereby precisely controlling and tracking nicotine delivery to the user throughout the product lifecycle
Solution Approach 2:
The control circuit serves multiple functions simultaneously: regulating heating power, monitoring liquid levels, tracking usage patterns, communicating product status to the user, and managing battery power, thereby achieving precise nicotine delivery control without proportionally increasing device complexity
3Ease of manufacture
If traditional wick construction is used, then the assembly process is simpler, but manufacturing automation becomes difficult and quality is limited
Solution Approach 1:
The patent divides the device into modular segments (reusable body and disposable cartridge) that can be manufactured separately using automated processes and then assembled through standardized interfaces, enabling high-volume automated production of each module while maintaining assembly simplicity
Solution Approach 2:
The patent employs a disposable cartridge containing the liquid reservoir and heating components, which is pre-assembled in a controlled manufacturing environment and then sealed in a sterile, automated process, eliminating the need for complex automated assembly of delicate wick structures in the field
4Device complexity
If no usage tracking system is implemented, then the device is simpler, but users cannot determine exact consumption amount for cessation programs
Solution Approach 1:
The patent incorporates sensors (flow sensors, temperature sensors, pressure sensors) that provide real-time feedback to a control circuit, enabling the system to monitor liquid consumption, heating temperature, and puff characteristics, thereby precisely controlling and tracking nicotine delivery to the user throughout the product lifecycle
Solution Approach 2:
The patent introduces a communication interface (display, LED indicators, wireless communication module) that acts as an intermediary between the internal sensors/control circuit and the user, translating raw sensor data into meaningful usage information such as remaining capacity indicators, puff counters, and consumption summaries that help users track their cessation progress
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 enhances the vaping experience by improving vaporization rates and consistency, allowing for better control of nicotine delivery, and simplifying manufacturing. It also provides clear user feedback and aids in smoking cessation by helping users track their usage.
Implementation Method 1
a vaporizer positioned in the body and configured to receive liquid from the liquid compartment and air from the flow path to generate vaporized liquid
Data Source
AI summary
The present disclosure relates to systems and methods for controlling disabling of an electronic smoking device. An electronic smoking device includes a body through which a flow path at least partially extends, an air inlet in the body that is fluidly connected to the flow path, a liquid compartment for storing a liquid within the body, a vaporizer positioned in the body and configured to receive liquid from the liquid compartment and air from the flow path to generate vaporized liquid, an outlet in the body configured to receive vaporized liquid from the vaporizer, and circuitry connected to the vaporizer. In one embodiment, the circuitry is configured to shut off the electronic smoking device based on activation time of the vaporizer. In another embodiment, the circuitry is configured to shut off the electronic smoking device after a determined amount of usage has occurred.