Reusable Vaporizer Unit with Transfer Element for Aerosol Capsule

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing handheld electrically operated aerosol-generating systems, such as those with cartomizer designs, are costly to produce due to the expense of manufacturing the vaporizer assembly.

Innovation Solution

A multi-part aerosol-generating system comprising a capsule with a reservoir for an aerosol-generating substrate and a releasably connectable vaporizer unit with a heating element and liquid transfer element, where the vaporizer unit can be reused multiple times, reducing production costs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a cartomizer design with integrated vaporizer assembly is used, then aerosol generation function is achieved, but production cost increases

Engineering Contradiction:
Improveaerosol generation functionVSAvoidproduction cost
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The system is divided into separate functional modules: a reusable vaporizer unit containing the heating element and control electronics, and disposable capsules containing the aerosol-generating substrate. This segmentation allows the expensive vaporizer assembly to be manufactured once and reused, while only the simpler capsule needs frequent replacement, significantly reducing overall production costs.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The design enables recovery and reuse of the vaporizer unit while the capsule is discarded after use. The vaporizer unit maintains its functionality across multiple capsule replacements, eliminating the need to discard the expensive heating and control components with each capsule, thus reducing waste and production expenses.

Inventive Principle:
Principle #34Discarding and recovering

2Device complexity

If the capsule contains residual liquid substrate when disconnected, then substrate waste occurs, but connection/disconnection mechanism is simplified

Engineering Contradiction:
Improveconnection mechanismVSAvoidsubstrate waste
Core Design Contradiction:
Device complexityVSLoss of substance

Solution Approach 1:

The system incorporates a valve mechanism that automatically closes when the capsule is disconnected from the vaporizer unit, preventing residual liquid substrate from leaking out. This preliminary action of closing the valve upon disconnection eliminates substrate waste without adding significant complexity to the connection mechanism.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The valve system is designed to automatically respond to the connection and disconnection states of the capsule and vaporizer unit. When disconnected, the valve self-closes to prevent leakage; when connected, it opens to allow substrate flow. This self-service mechanism eliminates the need for additional control systems while preventing substrate waste.

Inventive Principle:
Principle #25Self-service

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 system reduces production costs by allowing the vaporizer unit to be reused, simplifying the manufacture of the capsule, and minimizing waste, while maintaining efficient aerosol generation.

Implementation Method 1

The heating element is configured to heat the transfer element to vaporize the aerosol-generating substrate

Methodology Applied
Scientific EffectVaporization: Evaporation

Implementation Method 2

a liquid transfer element that extends beyond a proximal end of the housing and is configured to extend into the reservoir

Methodology Applied
Scientific EffectCapillary action: Capillary Action

Data Source

PatentUS20250031757A1Aerosol-generating system with separate capsule and vaporizer
Publication Date: 2025.01.30 ALTRIA CLIENT SERVICES LLC
  • US20250031757A1 patent drawing
  • US20250031757A1 patent drawing
  • US20250031757A1 patent drawing

AI summary

An aerosol-generating system may include a capsule and a releasably connectable vaporizer or vaporizing unit. The capsule comprises a distal end and defines a reservoir configured to contain an aerosol-generating substrate. The vaporizing unit comprises a housing and a heating element and a transfer element disposed in the housing. The heating element is configured to heat the transfer element to vaporize the aerosol-generating substrate. The housing of the vaporizing unit has a proximal end. A portion of the transfer element extends beyond the proximal end of the housing. The vaporizing unit is configured such that the transfer element is the initial part of the vaporizing unit to penetrate into the reservoir of the capsule as the distal end of the capsule is moved towards the proximal end of the vaporizing unit.