Electrohydrodynamic Gas Flowrate Amplifier for Clean, Silent Flow

Solution Overview

Problem

Existing gas flowrate generators, such as ventilators, are prone to mechanical failure, generate noise, and produce contaminated gas flows due to friction, which is particularly problematic in clean environments like the medical sector.

Innovation Solution

An electrohydrodynamic gas flowrate amplifier utilizing a Coanda gas flow accelerator and an electro-hydrodynamic gas flow generator to produce a reliable, clean, and silent gas flow, employing needle or wire electrodes and dielectric barrier discharge to generate and amplify gas flows.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional ventilators with moving parts are used to generate gas flow, then gas flow can be produced, but the device is prone to mechanical failure and generates noise

Engineering Contradiction:

Improvereliability of gas flow generatorVSAvoidmoving parts in ventilator

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent replaces the mechanical ventilator system with moving parts with an electrohydrodynamic gas flow generator that has no moving parts. The generator uses a high-voltage electrode and a dielectric surface to create ionic wind that propels gas flow, eliminating mechanical components entirely and thus improving reliability while reducing device complexity.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent uses electrohydrodynamic principles where high-voltage electricity ionizes gas molecules near a dielectric surface, creating an ionic wind that propels the gas flow. This pneumatic approach replaces mechanical actuation with electromagnetic field-driven fluid motion, eliminating the need for moving parts.

Inventive Principle:

Principle #29Pneumatics and hydraulics

2Speed

If traditional ventilators with moving parts are used to generate gas flow, then gas flow can be produced, but the device generates noise

Engineering Contradiction:

Improvegas flow generationVSAvoidnoise from moving ventilator

Core Design Contradiction:

SpeedVSObject-generated harmful factors

Solution Approach 1:

The patent replaces the mechanical ventilator system with moving parts with an electrohydrodynamic gas flow generator that has no moving parts. The generator uses a high-voltage electrode and a dielectric surface to create ionic wind that propels gas flow, eliminating mechanical components entirely and thus improving reliability while reducing device complexity.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Productivity

If traditional ventilators are used to generate gas flow, then gas flow can be produced, but small particles contaminate the accelerated gas due to friction

Engineering Contradiction:

Improvegas flow productionVSAvoidparticle contamination from friction

Core Design Contradiction:

ProductivityVSObject-generated harmful factors

Solution Approach 1:

The patent replaces the mechanical ventilator system with moving parts with an electrohydrodynamic gas flow generator that has no moving parts. The generator uses a high-voltage electrode and a dielectric surface to create ionic wind that propels gas flow, eliminating mechanical components entirely and thus improving reliability while reducing device complexity.

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 solution provides a scalable, efficient, and clean gas flow suitable for medical and domestic applications, with the ability to generate ozone for disinfection and decontamination, and can be used in fans, propulsion engines, and medical washers/sterilizers.

Implementation Method 1

The gasflow generator is an electro-hydrodynamic gas flow generator

Methodology Applied

Scientific EffectElectrohydrodynamics: Electrohydrodynamics

Implementation Method 2

An ionic wind is generated between the electrodes and the collector

Methodology Applied

Scientific EffectIonic wind: Ion Wind

Implementation Method 3

The gasflow accelerator is a Coanda gas flow accelerator employing the Coanda effect to accelerate the second gasflow by first gasflow

Methodology Applied

Scientific EffectCoanda effect: Coanda Effect

Implementation Method 4

employing needle or wire electrodes and dielectric barrier discharge to generate and amplify gas flows

Methodology Applied

Scientific EffectCorona discharge: Corona Discharge

Data Source

PatentUS20250215903A1Electrohydrodynamic gas flowrate amplifier for generating a gas flow

Publication Date: 2025.07.03 BELIMED

AI summary

An electrohydrodynamic gas flowrate amplifier for generating a gasflow comprising a gas flow generator and a gas flow accelerator, where a first gas flow generable by the gas flow generator and directable to the gas flow accelerator. The gas flow accelerator is constructed in a way that the second gas flow is accelerable by the first gas flow. The gas flow accelerator is a Coanda gas flow accelerator and employing the Coanda effect to accelerate the second gas flow by the first gas flow from the gas flow generator to a gas outlet. The gas flow generator is an electrohydrodynamic gas flow generator. Also disclosed is a washer for washing medical instruments comprising an electrohydrodynamic gas flowrate amplifier. The invention also discloses a method of amplifying gas using the electrohydrodynamic gas flowrate amplifier. Also disclosed is the use of an electrohydrodynamic gas flowrate amplifier.