Assembly for the suction of dust
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Solution Overview
Problem
Existing dust collection systems for electromechanical machines are ineffective due to their limited adaptability, high power requirements, and noise, especially when trying to integrate with existing machines without replacing components, and they often fail to completely remove conductive dust that can cause dielectric faults and damage.
Innovation Solution
A dust suction assembly with a tubular gaseous chamber and a collection opening bordered by lips, allowing gaseous passage and creating a vortex to guide dust into a suction duct, which is adaptable to various brush/brush holder sizes and does not require blown air for effectiveness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a dust collection system with a central housing is used to encapsulate the brush/brush holder, then dust can be collected, but the system can only be used for one particular type of brush/brush holder and is difficult to integrate into existing machines
Solution Approach 1:
The suction device is designed with a universal inner opening that can accommodate different types and sizes of brushes/brush holders without requiring a custom housing for each configuration. This allows a single device design to serve multiple functions and be adaptable to various brush assemblies.
Solution Approach 2:
The suction device is segmented into modular components including the inner opening, gaseous chamber, collection opening with lips, and suction duct. This segmentation allows the device to be adapted to different brush configurations while maintaining effective dust collection through the modular architecture.
2Reliability
If a suction unit with large suction power is used to eliminate a large part of the pollution, then dust evacuation effectiveness is improved, but the power consumption increases significantly
Solution Approach 1:
The system utilizes pneumatic principles through the gaseous chamber and collection opening with lips to create efficient dust evacuation. The lips form a narrow corridor that directs gas flow and dust particles toward the suction duct, optimizing the pneumatic efficiency of the suction unit and reducing the power required for effective dust removal.
Solution Approach 2:
The collection opening with lips changes the flow parameters by creating a narrow corridor that concentrates and directs the gas-dust mixture toward the suction duct. This parameter optimization allows the suction unit to operate at lower power levels while maintaining high dust evacuation effectiveness.
3Reliability
If ducts for blowing air are added to create a gaseous vortex, then dust capture effectiveness is improved, but the system becomes more complicated and very noisy
Solution Approach 1:
The invention merges the dust capture function with the existing brush holder assembly by integrating the suction device directly around the brush. The inner opening receives the brush end, and the gaseous chamber with collection opening combines dust capture and vortex formation in a single integrated structure, eliminating the need for separate blowing units and multiple duct connections.
Solution Approach 2:
The invention extracts the essential vortex-generating function from the complex blown air system and implements it through the simplified collection opening with lips. This extraction eliminates the need for separate blowing units, multiple duct connections, and complex control systems while maintaining effective dust capture through the narrowed gas flow corridor.
4Reliability
If maintenance cleaning operations are performed to remove conductive dust, then dielectric faults can be prevented, but numerous production stoppages are required and the operations are very tedious
Solution Approach 1:
The suction device enables continuous self-service dust removal during machine operation. The brush/brush holder assembly with integrated suction device automatically evacuates conductive dust as it is generated, maintaining insulation distances and preventing dielectric faults without requiring external maintenance intervention or production stoppages.
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 simple, effective dust evacuation system that is adaptable to different brush/brush holder types, reducing maintenance costs and noise, with high suction efficiency exceeding 80% for multiple brush assemblies with minimal power requirements.
Implementation Method 1
an assembly for the suction of dust generated by the friction of an end of a brush on a collector
Implementation Method 2
The blown air creates a gaseous vortex capturing the dust and facilitating its evacuation by suction
Data Source
AI summary
An assembly for the suction of dust generated by the friction of an end of a brush on a collector at a contact surface, including at least one suction device and a brush/brush holder assembly, the suction device defines an inner opening to receive the end of the assembly and allow a gaseous passage between the brush/brush holder assembly and the suction device. A gaseous chamber is defined by a tubular wall and extending according to a plane to form a closed ring, the ring defining the inner opening. A collection opening extends longitudinally over a part of the tubular wall intended to face the collector, the collection opening bordered by at least one lip extending from the gaseous chamber in the direction of the inner opening to form a narrow corridor.