Cyclonic Particle Separator with Tangential Apertures

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Solution Overview

Problem

Existing particle separators for gaseous fluid flows require significant energy, maintenance, and induce fluid flow losses, making them inefficient for reducing particulate emissions from internal combustion engines and industrial processes.

Innovation Solution

A particle separation system utilizing a cyclonic separator with a vortex tube and tangentially oriented apertures, which imparts tangential velocity to the incoming airflow, enhancing particle separation by accelerating circulation and directing particles radially outward, reducing energy requirements and fluid flow losses.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If conventional particle separators (electrostatic precipitators, media filters, inertial separators) are used to remove particles from gaseous streams, then particle separation effectiveness is improved, but energy consumption increases and fluid flow losses increase

Engineering Contradiction:

Improveparticle separation effectivenessVSAvoidenergy consumption

Core Design Contradiction:

Manufacturing precisionVSLoss of energy

Solution Approach 1:

The patent extracts only the essential vortex-generating elements (vortex tubes and tangential apertures) from complex separator systems, eliminating the need for power sources and complex mechanical components while maintaining particle separation effectiveness through pure fluid dynamic action

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The separator uses the kinetic energy already present in the incoming gaseous stream to generate the vortex flow pattern needed for particle separation. The system serves itself by converting the stream's own motion into the separating force, requiring no external energy input

Inventive Principle:

Principle #25Self-service

2Manufacturing precision

If conventional particle separators are used to remove particles from gaseous streams, then particle separation effectiveness is improved, but servicing and replacement requirements increase

Engineering Contradiction:

Improveparticle separation effectivenessVSAvoidservicing requirements

Core Design Contradiction:

Manufacturing precisionVSEase of repair

Solution Approach 1:

The patent removes all serviceable components (filters, electrodes, moving parts) from the separation mechanism, leaving only the passive geometric structures (separator body, vortex tubes, apertures) that require no maintenance or replacement

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The separator uses simple, durable geometric structures that are inherently resistant to wear and failure, eliminating the need for periodic servicing or replacement of consumable components

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

3Manufacturing precision

If conventional particle separators are used to remove particles from gaseous streams, then particle separation effectiveness is improved, but pressure drop losses increase

Engineering Contradiction:

Improveparticle separation effectivenessVSAvoidpressure drop losses

Core Design Contradiction:

Manufacturing precisionVSStress or pressure

Solution Approach 1:

The patent employs dynamic vortex flow patterns that adapt to the incoming stream conditions, creating efficient particle trajectories without imposing excessive static pressure drops on the gaseous stream

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The separator uses pure pneumatic principles, leveraging the compressibility and flow characteristics of gases to create vortex patterns that separate particles while minimizing pressure losses through optimized aperture and chamber geometry

Inventive Principle:

Principle #29Pneumatics and hydraulics

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 effectively reduces particulate emissions with reduced energy consumption and fluid flow losses, suitable for various applications including internal combustion engines and industrial processes, by using a cyclonic separator with a vortex tube and tangentially oriented apertures to enhance particle separation.

Implementation Method 1

Methodology Applied

Scientific EffectCyclone separation: Cyclone Separation

Implementation Method 2

enhancing particle separation by accelerating circulation and directing particles radially outward

Methodology Applied

Scientific EffectCentrifugal force: Centrifugal Force

Data Source

PatentUS11484892B2Systems and methods for reducing particulate emissions

Publication Date: 2022.11.01 GENERAL ELECTRIC CO

AI summary

A particle separator for removing particles from a gaseous stream, the particle separator having a separator body having a centerline axis and a peripheral wall defining a separation chamber, a fluid inlet in fluid communication with the separation chamber, a particle outlet in fluid communication with the separation chamber, a fluid outlet in fluid communication with the separation chamber, and a plurality of angled inlet apertures fluidly coupled between the fluid inlet and the separation chamber. A particulate separation system for removing particles from a gaseous stream, the particulate filtration system having an inlet, an outlet, and a plurality of particle separators located between and in fluid communication with, the inlet and the outlet, wherein each of the plurality of particle separators receives less than about 5 percent by volume of the flow of the gaseous stream entering the inlet.