Porous Ceramic Nano Gas Generator for Scalable Bubble Production

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Solution Overview

Problem

Existing methods for generating nano gas bubbles are difficult to maintain and scale up, especially in larger reactors, making it challenging to produce reliable nanoscale gas bubbles for applications in medicine and technology.

Innovation Solution

A nano gas generator with a housing containing a ceramic body with pores and an annular gap, equipped with liquid and gas inlets, nozzles, and optional ultrasound, which facilitates the production of supersaturated liquid-gas mixtures with nano gas bubbles, allowing for scalable and maintainable operation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a hose system is used to generate nano gas bubbles in a photobioreactor, then reliable generation of nanosize gas bubbles is achieved, but the system becomes difficult to maintain and scale up

Engineering Contradiction:
Improvereliable generation of nanosize gas bubblesVSAvoidmaintainability and scalability
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The system is divided into modular components: a gas generator unit with ceramic body that can be independently maintained, and a photobioreactor unit. The ceramic body with standardized pore structure (0.1-10 μm) acts as a replaceable module, allowing easy maintenance without dismantling the entire photobioreactor system. This modular segmentation enables both reliable nano bubble generation and easy maintenance/scaling.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The invention changes the key parameter from hose diameter/control to ceramic pore size (0.1-10 μm). This parameter change enables passive nano bubble generation through the fixed pore structure, eliminating the need for complex active control systems. The standardized pore size parameter ensures reliable nano bubble generation while the simple ceramic structure maintains ease of maintenance and scaling.

Inventive Principle:
Principle #35Parameter changes

2Device complexity

If visible gas bubbles (micrometre to millimetre range) are used for gas administration, then simple delivery is achieved, but the bubbles are too large for cellular-level gas exchange

Engineering Contradiction:
Improvesimplicity of gas deliveryVSAvoidbubble size control
Core Design Contradiction:
Device complexityVSManufacturing precision

Solution Approach 1:

The invention uses a ceramic body with controlled porosity (pore size 0.1-10 μm) to generate nanosize gas bubbles. The porous structure physically constrains bubble formation to the nanoscale, achieving precise bubble size control (100-1000 nm) while maintaining simple operation. The ceramic material provides mechanical stability and chemical inertness, ensuring long-term reliable performance.

Inventive Principle:
Principle #31Porous materials

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

Enables reliable generation of nanoscale gas bubbles, ensuring maintainability and scalability, with precise control over gas administration, suitable for applications in medicine and technology.

Implementation Method 1

a ceramic body (30) having an upper end, a lower end and at least one side wall, where the lower end of the ceramic body is closed and the side wall has pores

Methodology Applied
Scientific EffectCapillary action: Capillary Action

Implementation Method 2

the side wall has pores... enables reliable generation of nanoscale gas bubbles

Methodology Applied
Scientific EffectNanopore filtration: Nanoporous Material

Data Source

PatentEP4613368A1NANO gas generator for production of a supersaturated gas-liquid mixture
Publication Date: 2025.09.10 GHP GERMAN HEALTH PRECISION GMBH
  • EP4613368A1 patent drawingFigure 1
  • EP4613368A1 patent drawingFigure 2
  • EP4613368A1 patent drawingFigure 3

AI summary

The invention provides a nano gas generator for generation of a supersaturated liquid-gas mixture with nano gas bubbles and to a method of generating nano gas. The nano gas generator according to the invention has at least one ceramic body (30) disposed in the interior of a housing (20). A ceramic body has an upper end (35), a lower end (33) and at least one circumferential side wall (34) in the form of a porous side wall. An interspace (40) is formed in the interior of the housing. The nano gas generator has at least 6 liquid inlets (70), each disposed in the side wall of the housing, through which liquid flows into the interspace.