Vaporizing Device Capsule Classification via Resistance and Phase-Change

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing vaporizing devices for cannabis and other plant materials lack efficient temperature control and capsule management systems, leading to inconsistent vaporization and potential pyrolysis, which affects the potency and quality of the vaporized compounds.

Innovation Solution

A vaporizing device with a reloading unit and vaporizing unit configuration that uses capsules with phase-change materials and adjustable heating profiles, controlled by a control circuitry that classifies capsule types based on phase-change temperatures and resistance levels, ensuring precise temperature control and preventing pyrolysis.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If heating is applied to vaporize compounds from plant material, then vaporization efficiency is improved, but pyrolysis occurs causing loss of potency and quality

Engineering Contradiction:
Improvevaporization efficiencyVSAvoidpyrolysis
Core Design Contradiction:
ProductivityVSObject-affected harmful factors

Solution Approach 1:

The system dynamically adjusts heating parameters (temperature, power levels, heating duration) based on real-time feedback from temperature sensors and capsule classification. Different heating profiles are applied based on capsule type identification, optimizing vaporization efficiency while preventing pyrolysis through precise parameter control.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

Temperature sensors continuously monitor the heating process and provide feedback to the control circuitry. The system adjusts heating power in real-time based on temperature readings, ensuring the material reaches optimal vaporization temperature without exceeding it and causing pyrolysis. The feedback loop maintains temperature within a safe operating range.

Inventive Principle:
Principle #23Feedback

Solution Approach 3:

The system performs preliminary classification of capsule types by measuring resistance levels and phase-change temperatures before the actual vaporization process. This preliminary identification allows the control circuitry to select appropriate heating profiles in advance, preventing pyrolysis by matching heating parameters to the specific thermal characteristics of each capsule type.

Inventive Principle:
Principle #10Preliminary action

2Reliability

If temperature control is increased to prevent pyrolysis, then compound potency is preserved, but vaporization consistency deteriorates

Engineering Contradiction:
Improvecompound potencyVSAvoidvaporization consistency
Core Design Contradiction:
ReliabilityVSStability of the object's composition

Solution Approach 1:

The system employs dynamic temperature control with multiple heating stages and adjustable power levels rather than a fixed temperature setting. The heating profile adapts during the vaporization process based on real-time temperature feedback and capsule type identification, maintaining both potency preservation and vaporization consistency through flexible, multi-stage heating sequences.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

Different heating zones and power levels are applied to different aspects of the vaporization process. The system uses localized temperature control where specific heating elements can be activated independently, allowing different parts of the capsule to be heated at different rates and temperatures, ensuring uniform vaporization while preventing hot spots that cause pyrolysis.

Inventive Principle:
Principle #3Local quality

3Measurement precision

If capsule classification system is implemented, then temperature control precision is improved, but device complexity increases

Engineering Contradiction:
Improvetemperature control precisionVSAvoidcapsule classification system
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The capsule itself provides classification information through its inherent electrical resistance and phase-change temperature characteristics. The system measures these properties directly from the capsule without requiring external barcodes, RFID tags, or manual input. The capsule's physical properties serve as its own identification mechanism, simplifying the overall system while achieving precise temperature control.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system replaces complex mechanical or optical classification mechanisms with electrical measurement methods. By measuring resistance levels and phase-change temperatures through electrical contacts, the system achieves capsule identification and classification using simple electrical circuits rather than complex mechanical sensors, cameras, or RFID readers, thereby reducing device complexity while maintaining measurement precision.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

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 consistent and efficient vaporization of cannabis and other plant materials, maintaining potency and preventing pyrolysis, thereby enhancing the quality and efficiency of the vaporization process.

Implementation Method 1

a heating element integrated into the cartridge in close contact with the botanical substance

Methodology Applied
Scientific EffectResistive heating: Joule Heating

Implementation Method 2

capsules with phase-change materials and adjustable heating profiles, controlled by a control circuitry that classifies capsule types based on phase-change temperatures

Methodology Applied
Scientific EffectPhase change: Phase Change

Implementation Method 3

An indication of the temperature of the material is detected, and, in response to detecting an indication that the temperature of the material is at a first temperature, the first heating step is terminated

Methodology Applied
Scientific EffectTemperature detection:

Data Source

PatentEP3644974B1Vaporizing devices and methods for delivering a compound using the same
Publication Date: 2023.05.24 ALTRIA CLIENT SERVICES LLC
  • EP3644974B1 patent drawingFigure 1~3
  • EP3644974B1 patent drawingFigure 4A~5
  • EP3644974B1 patent drawingFigure 6~7

AI summary

A method of treating disorders in a human or animal subject may include heating a material containing a compound to a first temperature to form a heated volume of the material. The method may additionally include heating the heated volume to a higher second temperature to form a dose of vapor including the compound. The method may also include administering the dose of vapor to the subject to treat disorders such as pain. The method may further include pre-heating the material to a preliminary temperature prior to the heating to the first temperature. The heating and pre-heating may be performed with a capsule including two covering layers, each including an electrically conductive material, configured to hold the material therebetween and to generate heat by resistive heating.