Ultrasonic Aerosol Vibrator Frequency Control for Stable Atomization

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Solution Overview

Problem

Existing aerosol generating devices face challenges in controlling the atomization amount and temperature of aerosols, which affect user convenience and satisfaction, as they either provide insufficient vapor or smoke, or excessive amounts, and fail to adjust based on user needs.

Innovation Solution

An aerosol generating apparatus with a vibrator that uses ultrasonic vibration to atomize aerosol generating materials, controlled by a processor to adjust operating frequencies and temperatures based on impedance correlations, allowing for precise control of atomization and temperature to optimize aerosol production.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If the atomization amount is increased to provide visual satisfaction, then the aerosol generation quantity increases, but the environmental restrictions and user convenience deteriorate

Engineering Contradiction:
Improveatomization amountVSAvoiduser convenience
Core Design Contradiction:
Quantity of substanceVSEase of operation

Solution Approach 1:

The patent implements dynamic control of the vibrator's operating frequency and temperature based on real-time detection of atomization amount and user puff patterns. The system transitions from static operation to adaptive dynamic operation, adjusting parameters to balance atomization quantity with environmental and convenience requirements.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system changes physical parameters (frequency, temperature, viscosity) of the aerosol generating material and vibrator to optimize atomization. By controlling the vibrator temperature to maintain material viscosity within a specific range, the system achieves efficient atomization at lower quantities, resolving the contradiction between atomization amount and user convenience.

Inventive Principle:
Principle #35Parameter changes

2Ease of operation

If the atomization amount is decreased to improve environmental restrictions, then user convenience improves, but visual satisfaction deteriorates

Engineering Contradiction:
Improveuser convenienceVSAvoidatomization amount
Core Design Contradiction:
Ease of operationVSQuantity of substance

Solution Approach 1:

The system optimizes atomization efficiency by controlling the vibrator temperature to maintain aerosol generating material viscosity within 10-100 cP. This parameter control enables effective atomization at reduced quantities, providing visual satisfaction while improving environmental performance and user convenience.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent replaces traditional heating-based atomization with ultrasonic vibration-based atomization. This substitution enables precise control of atomization quantity and quality, allowing the system to deliver sufficient visual effect at lower aerosol amounts, thereby improving environmental restrictions and user convenience.

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

3Speed

If the vibrator temperature is increased to lower viscosity for quick atomization, then atomization speed improves, but energy consumption increases

Engineering Contradiction:
Improveatomization speedVSAvoidenergy consumption
Core Design Contradiction:
SpeedVSUse of energy by moving object

Solution Approach 1:

The system controls the vibrator temperature to maintain aerosol generating material viscosity within a specific range (10-100 cP) rather than continuously heating. This parameter optimization enables quick atomization while minimizing energy consumption by avoiding excessive temperature increases.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The system performs preliminary heating of the vibrator to maintain the aerosol generating material in a pre-heated state with optimized viscosity. This preliminary action ensures rapid atomization when needed while reducing the energy required during actual puffing operations, as the material is already prepared for efficient atomization.

Inventive Principle:
Principle #10Preliminary action

4Stability of the object's composition

If the vibrator temperature is controlled to maintain pre-heated state, then atomization uniformity improves, but temperature control complexity increases

Engineering Contradiction:
Improveatomization uniformityVSAvoidtemperature control complexity
Core Design Contradiction:
Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The system incorporates feedback mechanisms to detect and control vibrator temperature and aerosol generating material viscosity. By monitoring these parameters and adjusting heating power accordingly, the system maintains consistent atomization uniformity while managing temperature control complexity through automated feedback loops.

Inventive Principle:
Principle #23Feedback

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 apparatus ensures consistent and efficient aerosol generation by maintaining a pre-heated state to lower viscosity, allowing quick atomization upon user puff, providing uniform atomization and adjustable particle sizes and temperatures for enhanced user experience.

Implementation Method 1

a vibrator configured to generate ultrasonic vibration to atomize the aerosol generating material into an aerosol

Methodology Applied
Scientific EffectUltrasonic vibration: Ultrasonic Vibration

Implementation Method 2

control the vibrator to a second temperature higher than a first temperature reached by application of a voltage of the resonant frequency and control the vibrator to the second temperature by applying a voltage of the operating frequency to the vibrator

Methodology Applied
Scientific EffectJoule heating: Joule Heating

Implementation Method 3

the vibrator is maintained in a pre-heated state to lower the viscosity of an aerosol generating material even while a user is not performing a puff

Methodology Applied
Scientific EffectViscosity reduction through heating:

Data Source

PatentUS20260060295A1Aerosol generating device
Publication Date: 2026.03.05 KT&G CO LTD
  • US20260060295A1 patent drawing
  • US20260060295A1 patent drawing
  • US20260060295A1 patent drawing

AI summary

Disclosed is an aerosol generating apparatus including a liquid storage configured to accommodate an aerosol generating material; a vibrator configured to generate ultrasonic vibration to atomize the aerosol generating material into an aerosol; and a processor configured to, based on a correlation between frequencies within a predetermined range including a resonant frequency of the vibrator and impedances of the vibrator changed by application of the frequencies within the predetermined range, determine an operating frequency for controlling the vibrator to a second temperature higher than a first temperature reached by application of a voltage of the resonant frequency and control the vibrator to the second temperature by applying a voltage of the operating frequency to the vibrator.