Fine filter part kit for a dust extractor and a method for removing a fine filter part
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Solution Overview
Problem
Conventional dust extractors do not adequately prevent the release of hazardous particles into the ambient air when replacing the fine filter, and they lack compactness and ease of mobility in work sites.
Innovation Solution
A fine filter part kit that includes a replacement fine filter part and a filter lid designed to seal the opening of the used fine filter part before removal, preventing particle release and enabling secure disposal, while also allowing for easy handling and mounting to ensure secure dust handling and compact, mobile design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the fine filter is replaced by opening the lid and unscrewing the filter cylinder, then the filter replacement process is simple and quick, but hazardous particles are released into the ambient air
Solution Approach 1:
The filter lid is provided in a ready-to-use state that can be immediately attached to the filter cylinder upon removal from the housing. This preliminary preparation ensures that the sealing function is available exactly when needed, preventing particle release without complicating the replacement process
Solution Approach 2:
The filter lid acts as an intermediary element between the filter cylinder and the ambient environment. By attaching to the filter cylinder, it creates a sealed barrier that prevents direct exposure of hazardous particles to the ambient air during the replacement process
2Weight of moving object
If the dust extractor is designed to be compact and mobile, then it is easily moved along at work sites, but the structure becomes simpler and may compromise dust containment capability
Solution Approach 1:
The dust extractor is divided into separable components including the housing, filter cylinder, and filter lid. This segmentation allows each component to be optimized independently - the housing can be compact and lightweight while the filter lid provides robust sealing capability when attached to the filter cylinder
Solution Approach 2:
The filter lid incorporates a seal element that forms a flexible sealing interface between the filter cylinder and the housing. This flexible sealing mechanism maintains effective dust containment even in the compact, mobile design where rigid sealing structures would be too bulky
Data Source
AI summary
The present disclosure relates to fine filter part kit (63), comprising a replacement fine filter part (15) that is adapted to be mounted to a fine filter section (12) for a dust extractor (1). The fine filter part kit (63) further comprises a filter lid (16) that is adapted to be mounted to a corresponding used fine filter part (15) to be replaced, already mounted to the fine filter section (12), and thereby seal an opening (28) of a particle containing space inside the used fine filter part (15) before removing the used fine filter part (15). In this way, release of particles contained in the particle containing space into the ambient air is prevented and a secure disposal of the used fine filter part (15) is enabled.