Piezoelectric Collar Sprayer for Targeted Animal Diffusion

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Solution Overview

Problem

Existing animal treatment devices lack a piezoelectric system that can effectively diffuse active substances in a localized, targeted, and multidirectional manner, especially for moving animals, while avoiding the use of harmful solvents and maintaining consistent active substance concentration.

Innovation Solution

A rechargeable piezoelectric device attached to an animal's collar, equipped with a piezoelectric spraying mechanism, a reservoir, and a wick system, allowing for controlled and remote diffusion of active substances in various directions, independent of the animal's movement, using pure or diluted active substances without solvents.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If thermal diffusion devices are used to vaporize active substances, then diffusion efficiency is improved, but active substances sensitive to temperature undergo degradation

Engineering Contradiction:
Improvediffusion efficiencyVSAvoidheat-induced degradation of active substances
Core Design Contradiction:
ProductivityVSObject-affected harmful factors

Solution Approach 1:

The patent uses ultrasonic vibration to induce phase transition of liquid active substances into aerosol particles without thermal heating. The piezoelectric element generates high-frequency vibrations that mechanically atomize the liquid solution, transforming it from liquid phase to dispersed aerosol phase, thereby achieving effective diffusion while avoiding heat-induced degradation of temperature-sensitive active substances

Inventive Principle:
Principle #36Phase transitions

Solution Approach 2:

The patent replaces the thermal field (heating system) with a mechanical field (ultrasonic vibration system). Instead of using thermal energy to vaporize and diffuse active substances, the invention uses mechanical vibrations from a piezoelectric element to atomize and disperse the liquid solution, substituting a mechanical mechanism for a thermal one to eliminate harmful heat effects

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

2Ease of operation

If polymer matrices are used for repellent treatment, then localized treatment is achieved, but active substance concentration decreases over time

Engineering Contradiction:
Improvelocalized treatment capabilityVSAvoidactive substance concentration consistency
Core Design Contradiction:
Ease of operationVSStability of the object's composition

Solution Approach 1:

The patent employs a dynamic refilling mechanism where a wick continuously supplies liquid active substance solution from a reservoir to the piezoelectric atomization surface. This dynamic replenishment system ensures that the active substance concentration at the diffusion interface remains constant over time, counteracting the depletion that occurs in static polymer matrix systems

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The device integrates multiple functions: the reservoir stores active substances, the wick transports them, the piezoelectric element atomizes them, and the collar provides both attachment and potential reservoir housing. This multi-functional integration enables sustained localized treatment with consistent concentration, combining the advantages of portability, targeted delivery, and long-term stability

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Productivity

If pneumatic aerosol devices are used, then active substance diffusion is achieved, but harmful propellants are released and concentration consistency deteriorates

Engineering Contradiction:
Improveactive substance diffusionVSAvoidrelease of flammable or toxic propellants
Core Design Contradiction:
ProductivityVSObject-generated harmful factors

Solution Approach 1:

The patent extracts and eliminates the harmful propellant component from the aerosol generation system. Instead of using compressed gas or flammable propellants to drive aerosol formation, the invention uses only ultrasonic vibration to atomize the liquid active substance solution, taking out the harmful element while preserving the beneficial aerosol diffusion function

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent changes the fundamental parameter of aerosol generation from pressure-driven (pneumatic) to vibration-driven (ultrasonic). By altering the mechanism from high-pressure gas expansion to high-frequency mechanical vibration, the system achieves aerosol formation without requiring harmful propellants, fundamentally changing the operating parameters to eliminate harmful byproducts

Inventive Principle:
Principle #35Parameter changes

4Device complexity

If passive diffusion devices are used, then device complexity is reduced, but diffusion effectiveness deteriorates in moving animals

Engineering Contradiction:
Improvedevice simplicityVSAvoiddiffusion effectiveness during animal movement
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The device is designed to be self-contained and self-regulating. The piezoelectric element is directly coupled to the liquid reservoir through the wick, creating a self-sufficient atomization system that automatically maintains diffusion effectiveness regardless of orientation or movement. The system serves itself by using its own structural components (collar, reservoir, wick, piezoelectric element) in an integrated manner that eliminates dependence on external stabilization

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent creates a dynamically adaptable diffusion system where the aerosol generation mechanism responds to movement by maintaining continuous atomization. The ultrasonic vibration frequency and amplitude can be modulated to ensure effective diffusion whether the animal is stationary or moving, making the system dynamically effective rather than statically fixed

Inventive Principle:
Principle #15Dynamics

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 ensures stable and efficient diffusion of active substances to specific body areas, maintaining concentration and avoiding heat-induced degradation, while being portable and adaptable to the animal's movements.

Implementation Method 1

The invention relates to the field of diffusion devices and, more particularly, of aerosol diffusion devices of the ultrasonic nebulizer type whose vibration at high oscillation frequency allows the diffusion of particles

Methodology Applied
Scientific EffectPiezoelectric effect: Piezoelectric Effect

Implementation Method 2

Other diffusion devices use an ultrasonic transducer to spray a liquid solution of active substances into the air

Methodology Applied
Scientific EffectUltrasonic vibration: Ultrasonic Vibration

Implementation Method 3

a wick (4) whose role is to convey the liquid from the reservoir (2) to the piezoelectric element (6)

Methodology Applied
Scientific EffectCapillary action: Capillary Action

Data Source

PatentUS12520825B2Piezoelectric device for the targeted diffusion of active material in animals
Publication Date: 2026.01.13 AB7 SANTE SAS
  • US12520825B2 patent drawing
  • US12520825B2 patent drawing
  • US12520825B2 patent drawing

AI summary

The invention relates to a refillable device (1) for spraying an active substance, comprising a reservoir (2) containing at least one active substance, said device being equipped with a piezoelectric spraying mechanism (6). The device is attached to or in the collar of an animal. The invention also relates to the use of said device for spraying an active substance in a controlled manner from a distance in a desired direction. Said device can be used multi-directionally independently of the movements of the animal.