Aerosol Cartridge Holder With Automatic Loading and Clean Heating

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Solution Overview

Problem

Traditional smoking articles suffer from issues such as scorching of wrapping material, production of undesirable gases like carbon monoxide and carbon dioxide, and poor aerosolization, while also being prone to scorching and altering flavors, and often have poor performance with reusable and replaceable components.

Innovation Solution

Aerosol delivery devices with a holder that includes a receiving chamber, power source, loading assembly, and igniting assembly, featuring a sliding carrier and loading motor to facilitate easy insertion and ignition of removable cartridges, allowing for reusable and replaceable components.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Temperature

If traditional smoking articles are used, then combustion provides heat for vaporization, but scorching of wrapping material and production of harmful gases occur

Engineering Contradiction:

Improvecombustion temperatureVSAvoidscorching and harmful gases

Core Design Contradiction:

TemperatureVSObject-affected harmful factors

Solution Approach 1:

The patent replaces the combustion-based heating system with an electric heating element system. The electric heater provides controlled thermal energy to vaporize the aerosol-forming composition without combustion, thereby eliminating scorching of wrapping materials and production of harmful combustion gases while maintaining the necessary temperature for vaporization.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent changes the heating parameter from uncontrolled combustion temperature to controlled electric heating temperature. By regulating the electrical power supplied to the heating element, the system maintains optimal vaporization temperature without excessive heat that causes scorching, thus resolving the contradiction between sufficient heating and harmful side effects.

Inventive Principle:

Principle #35Parameter changes

2Ease of operation

If reusable and replaceable components are implemented, then ease of replacement is improved, but reliability and performance consistency deteriorate

Engineering Contradiction:

Improveease of component replacementVSAvoidperformance consistency

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The patent divides the smoking article into distinct modular segments: a reusable holder containing the power source and control electronics, and replaceable cartridges containing the aerosol-forming composition. This segmentation enables easy replacement of consumable cartridges while maintaining consistent performance through standardized interfaces and precise manufacturing of the reusable components.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The reusable holder is designed with universal functionality to accommodate different cartridge types while maintaining consistent heating and vaporization performance. The standardized interface and controlled heating system ensure that regardless of which cartridge is installed, the device maintains reliable and consistent operation, resolving the contradiction between ease of replacement and performance consistency.

Inventive Principle:

Principle #6Universality (Multi-functionality)

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 provides a user-friendly smoking article that minimizes scorching and gas production, maintains flavor integrity, and ensures efficient aerosolization, while enabling easy replacement and reuse of components.

Implementation Method 1

heat a volatile material... to vaporize or heat a volatile material... capable of vaporizing components of tobacco and/or other tobacco related materials to form an inhalable aerosol

Methodology Applied

Scientific EffectVaporization: Evaporation

Implementation Method 2

combusting tobacco... a solid or liquid fuel is combusted to transfer heat... utilize heat sources, such as combustible carbon-based ignition sources

Methodology Applied

Scientific EffectCombustion: Combustion

Data Source

PatentUS12564220B2Aerosol delivery device with automatic consumable loading and ejecting

Publication Date: 2026.03.03 R J REYNOLDS TOBACCO COMPANY

AI summary

The present disclosure is directed to a holder for use with a removable substrate cartridge having an ignitable heat source. In one implementation, the holder defines an outlet, a receiving chamber configured to receive the substrate cartridge, an aerosol passageway that extends from the receiving chamber through the outlet, a power source, a loading assembly, and an igniting assembly configured to ignite the ignitable heat source. The loading assembly may include a sliding carrier and a loading motor, wherein at least a portion of the receiving chamber may be located in the sliding carrier. The sliding carrier may be mechanically coupled to the loading motor, and the loading assembly may be configured to move an inserted substrate cartridge from a loading position to a use position via the loading motor and sliding carrier. The holder may further comprise an ejecting position.