Electrolytic Brush Assembly With Adjustable Filament Control

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Solution Overview

Problem

Existing conductive brush assemblies for electrolytic cleaning of metal welds suffer from issues such as poorly maintained filament positions, lack of ergonomic design, and inadequate fluid delivery control, leading to inefficient and unsafe cleaning processes.

Innovation Solution

A conductive brush assembly with a handle assembly, shroud, and adjustment sub-assembly that allows for selective movement and locking of the brush, combined with a fluid control system for regulated electrolytic fluid delivery, ensuring consistent and controlled cleaning.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the sheath position is freely adjustable to control filament length and stiffness, then the brush can be adapted to different cleaning needs, but the sheath cannot be locked and requires manual maintenance of position, making the operation unergonomic and requiring two hands

Engineering Contradiction:
Improveadjustability of filament length and stiffnessVSAvoidergonomic operation
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The brush assembly allows dynamic adjustment of the sheath position relative to the handle assembly, enabling the operator to change the effective length and stiffness of the filaments during use. This dynamic adaptability resolves the contradiction by providing both adjustability and locked positions through the adjustable mechanism.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The brush is divided into separable components including the handle assembly, shroud, and brush connecting assembly with adjustment sub-assembly. This segmentation allows independent adjustment of the sheath position while maintaining secure connection, enabling one-handed operation with locked positions.

Inventive Principle:
Principle #1Segmentation

2Device complexity

If electrolytic fluid is supplied manually or via open loop control, then the system is simple to operate, but the operator must guess the amount of fluid to supply, leading to either excess fluid causing mess and danger or insufficient fluid causing surface burning and decreased cleaning effectiveness

Engineering Contradiction:
Improvesimplicity of fluid delivery systemVSAvoidconsistent fluid delivery
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The fluid delivery system incorporates feedback control where the amount of electrolytic fluid supplied to the brush is automatically regulated based on detected conditions during operation. This feedback mechanism eliminates the need for operator guessing while maintaining simple operation, ensuring consistent fluid delivery that prevents both excess spillage and insufficient fluid conditions.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system automatically controls fluid delivery without requiring manual intervention or complex operator judgment. The self-regulating fluid supply mechanism ensures appropriate fluid amounts are delivered based on operational conditions, resolving the contradiction between simplicity and reliability.

Inventive Principle:
Principle #25Self-service

3Length of moving object

If the brush filaments are relatively long to reach difficult areas, then the cleaning reach is improved, but the filaments tend to flop on their sides when wet with electrolyte rather than presenting erect filament ends, making electrolyte application haphazard and increasing spillage risk

Engineering Contradiction:
Improvelength of brush filamentsVSAvoidelectrolyte spillage and haphazard application
Core Design Contradiction:
Length of moving objectVSObject-affected harmful factors

Solution Approach 1:

The adjustable sheath mechanism allows dynamic control of the effective filament length extending from the shroud aperture. By adjusting the sheath position, the operator can optimize filament length for reach while maintaining control over filament orientation, preventing flopping and haphazard electrolyte application even with longer filaments.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The shroud with its aperture provides a localized structure that shapes and directs the filaments at the working end. This local structural feature ensures that filaments present erect ends at the aperture while allowing longer overall filament length for reach, preventing electrolyte spillage and haphazard application.

Inventive Principle:
Principle #3Local quality

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 more ergonomic and efficient cleaning process with improved control over filament position and fluid delivery, reducing the risk of accidents and enhancing cleaning effectiveness while minimizing fluid waste and surface damage.

Implementation Method 1

cleaning of welded joints has been performed using an electrically charged pad or brush applicator having conductive filaments, in conjunction with an electrolyte, to clean a metal surface by applying a concurrent chemical reaction, heat and electric current. The simultaneous electrolytic and high temperature cleaning action has proven successful

Methodology Applied
Scientific EffectElectrolysis: Electrolysis

Implementation Method 2

the handle assembly comprises an adjustment sub-assembly for selectively moving the brush connecting assembly and a brush connected thereto relative to the handle assembly and the aperture of the shroud

Methodology Applied
Scientific EffectMechanical movement:

Data Source

PatentUS11725298B2Electrolytic brush assembly
Publication Date: 2023.08.15 ENSITECH IP PTY LTD
  • US11725298B2 patent drawing
  • US11725298B2 patent drawing
  • US11725298B2 patent drawing

AI summary

Disclosed herein is an electrolytic brush assembly comprising a handle assembly; a shroud extending from the handle assembly, the shroud having an aperture at a distal end thereof; a brush connecting assembly for releasably connecting a brush to the handle assembly whereby the brush extends through the aperture of the shroud and a fluid delivery assembly. The handle assembly comprises an adjustment sub-assembly for selectively moving the brush connecting assembly and a brush connected thereto relative to the handle assembly and the aperture of the shroud. The fluid delivery assembly delivers electrolytic fluid to the proximity of the brush, optionally under closed loop control.