Flat Filter Bag Chamber Opening for Unfolded Vacuum Filtration
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional vacuum cleaner devices with rigid filter bag receiving spaces are unable to accommodate flat filter bags completely unfolded, leading to reduced dust holding capacity and separation performance due to mismatched size ratios and folding during insertion.
Innovation Solution
Designing the vacuum cleaner device with a filter bag receiving space that has an opening area ratio greater than 0.70 to the filter bag area, allowing for complete unfolding and optimal utilization of the filter bag's dust holding capacity and separation performance, and ensuring the filter bag receiving space is designed to accommodate the filter bag's maximum volume and surface area for efficient operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the filter bag receiving space is designed with rigid walls and a fixed opening area, then the structural stability and manufacturing simplicity are improved, but the filter bag cannot be inserted completely unfolded leading to reduced dust holding capacity and separation performance
Solution Approach 1:
The patent applies parameter changes by optimizing the ratio between the opening area and the filter bag area to be greater than 0.70, preferably greater than 0.85. This quantitative parameter adjustment allows the filter bag to be inserted in a substantially unfolded state, maximizing its dust holding capacity and separation performance while maintaining a rigid filter bag receiving space with fixed dimensions.
2Ease of manufacture
If the filter bag is designed as a flat bag with two individual layers connected at peripheral edges, then the ease of production and manufacturing cost are improved, but the internal volume before use is essentially zero requiring the bag to be folded for insertion
Solution Approach 1:
The patent applies preliminary action by designing the filter bag receiving space with an opening area sufficiently large before insertion occurs. This preliminary design consideration allows the filter bag to be inserted in a substantially unfolded state, eliminating the need for folding during the insertion operation while maintaining the production advantages of the flat bag design.
3Volume of moving object
If the opening area of the filter bag receiving space is reduced to minimize device size, then the compactness and portability are improved, but the filter bag cannot be inserted completely unfolded reducing filtration efficiency
Solution Approach 1:
The patent applies parameter changes by establishing a specific threshold for the opening area to filter bag area ratio (greater than 0.70, preferably greater than 0.85). This optimized parameter ensures that the opening is large enough to accommodate the filter bag in a substantially unfolded state, maximizing filtration efficiency, while the overall device size remains compact through efficient spatial design.
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
Ensures the filter bag can be inserted and operate completely unfolded, maximizing its dust holding capacity and separation performance throughout the suction process, extending its service life and maintaining high filtration efficiency.
Implementation Method 1
a suction device (200) which is designed to create a pressure difference
Implementation Method 2
a filter bag (230) made of non-woven fabric
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
The invention relates to a vacuum-cleaning apparatus with a vacuum-cleaner unit and a filter bag, in which the filter bag is designed as a flat bag, as a nonwoven filter bag and as a disposable filter bag, and the vacuum-cleaner unit has a filter-bag-accommodating chamber with rigid walls, wherein the filter-bag-accommodating chamber has an opening which can be closed by a flap and has a predetermined opening surface area, through which the filter bag can be inserted into the filter-bag-accommodating chamber. The invention is distinguished in that the ratio between the surface area of a rectangle corresponding to the opening surface area and the surface area of the filter bag is greater than 0.70, preferably greater than 0.85, and highly preferably greater than 1.0.