Vacuum Filter Bag Insert Layout for Longer Suction Life
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Solution Overview
Problem
Existing dust filter bags for vacuum cleaners face challenges in extending service life and maintaining high suction power while minimizing manufacturing effort, as individual component dust collector inserts increase production costs and complexity.
Innovation Solution
A dust collector insert is formed by superimposing two layers, with the second layer being a cutout from the first layer, allowing for increased filter surface area without additional material, reducing waste and production costs, and enabling free movement within the bag for enhanced filtration efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of stationary object
If dust collector inserts are made from individual components (strips or rings), then the filter surface area and service life are improved, but the production cost and manufacturing complexity increase
Solution Approach 1:
The dust collector insert is divided into multiple layers (first layer with cutouts, second layer formed from cutout material) that work together to increase filter surface area. This segmentation allows the insert to provide extended filtration capacity while maintaining manufacturing efficiency by using a layered structure rather than assembling multiple separate components.
Solution Approach 2:
The filter material removed from the first layer to create cutouts is not discarded as waste but is recovered and formed into the second layer of the dust collector insert. This recycling of material during manufacturing increases the total filter surface area without requiring additional raw materials, thereby reducing production costs while improving service life.
2Quantity of substance
If additional filter material is introduced to increase filter surface area, then particle storage capacity and retention are improved, but manufacturing cost increases
Solution Approach 1:
The material removed from the first layer to create cutouts is recovered and formed into the second layer, effectively recycling waste material into a functional component. This increases the total filter surface area and particle storage capacity without requiring additional filter material, thereby avoiding increased manufacturing costs.
Solution Approach 2:
The manufacturing process itself generates the additional filter material needed for the second layer through the cutout creation process. The system is self-sufficient in generating the required material, eliminating the need for separate material procurement and reducing manufacturing costs while increasing filter surface area.
3Reliability
If dust collector inserts are made from multiple separate components, then filtration efficiency is improved, but device complexity increases
Solution Approach 1:
The insert is segmented into layers with specific functions (first layer provides initial filtration, cutouts create flow paths, second layer captures particles) that work together to enhance filtration efficiency. This functional segmentation achieves high filtration performance while maintaining a relatively simple overall structure compared to assembling multiple separate components.
Solution Approach 2:
The manufacturing process merges the creation of cutouts in the first layer with the formation of the second layer from the same material. This combining of operations simplifies the manufacturing process and reduces device complexity while maintaining the multi-layer structure needed for high filtration efficiency.
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
This design extends the service life of dust filter bags, maintains high suction power, and reduces manufacturing costs by utilizing existing material efficiently, while improving particle retention and absorption capabilities.
Implementation Method 1
a single-layer or multi-layer bag wall 2 forming the outside of the dust filter bag 1, which is made of air-permeable filter material at least in sections
Implementation Method 2
The dust collector inserts act as an additional filter layer next to the bag wall
Implementation Method 3
A multi-layer dust collector insert, the second layer of which is formed by a cutout from a first layer, has an enlarged filter surface compared to a single-layer dust collector insert
Data Source
Figure 1~2
Figure 3~4
Figure 5~7
AI summary
The invention relates to a dust filter bag for use in a vacuum cleaner, with a single-layer or multi-layer bag wall forming the outside of the dust filter bag, which is made of air-permeable filter material at least in sections, with a bag interior which is enclosed by the bag wall, with one or more in the bag interior air-permeable dust collector inserts are arranged.