A dust extractor comprising a fine filter section attached to a mobility section wherein a dust cyclone container is attached to the fine filter section
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Solution Overview
Problem
Conventional dust extractors release hazardous fine particles into the air when replacing filters, and they are not compact or easily movable, posing safety and operational challenges in workplaces.
Innovation Solution
A compact dust extractor design with a dust cyclone container and fine filter section, featuring a mobility section with wheels, an air channel, and a blower/fan motor, where the fine filter section is positioned adjacent to the dust cyclone container, allowing for secure dust handling and easy movement, with a lid arrangement that forms an air channel and prevents particle release during filter replacement.
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 is simple and quick, but very small particles retained with the fine filter may come loose and get into the ambient air
Solution Approach 1:
The dust extractor is divided into separate modules: a fine filter section with the HEPA filter and a dust cyclone container section. This segmentation allows the fine filter to be replaced independently while the dust cyclone container remains sealed, containing hazardous particles within the closed system during filter replacement operations
Solution Approach 2:
A dust cyclone container is introduced as an intermediary component between the fine filter and the ambient environment. This container with sealed access points prevents direct exposure of hazardous particles to the environment during filter maintenance, acting as a barrier that maintains containment while allowing filter replacement
2Reliability
If a conventional dust extractor design is used, then dust separation function is provided, but the device is not compact and not easily moved along at a work site
Solution Approach 1:
The fine filter section and dust cyclone container are merged into a single integrated dust extractor unit with shared housing and connected airflow paths. This combination maintains effective dust separation functionality while creating a compact, self-contained device that is easier to move and position at work sites compared to separate components
Solution Approach 2:
The integrated dust extractor performs multiple functions within a single device: the fine filter section captures hazardous particles, the dust cyclone container collects and contains coarse dust, and the sealed design provides containment during maintenance. This multi-functionality in one compact unit improves mobility while maintaining comprehensive dust management capabilities
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 design ensures secure handling of hazardous dust during filter replacement, minimizes air-borne particle release, and facilitates easy movement and maintenance, enhancing workplace safety and operational efficiency.
Implementation Method 1
a blower/fan motor, preferably mounted to the fine filter section, for drawing air from the air inlet through the dust separating part, through the air channel and through the fine filter part
Implementation Method 2
a dust cyclone container with an air inlet for connecting to a hose, the dust cyclone container having a contaminated portion downstream the air inlet and a clean portion downstream the contaminated portion. A dust separating part is adapted to be provided between the contaminated portion and the clean portion, the dust separating part comprising at least one cyclone
Implementation Method 3
a fine filter section arranged adjacent to the dust cyclone container and having a contaminated section and a clean section downstream the contaminated section. A fine filter part is adapted to be provided between the contaminated section and the clean section
Implementation Method 4
where relatively heavy dust falls into the dust collection container due to gravity
Data Source
AI summary
A dust extractor (1) comprising—a dust cyclone container (3) with an air inlet (2) for connecting to a hose, the dust cyclone container (3) having a contaminated portion downstream the air inlet (2) and a clean portion downstream the contaminated portion, where a dust separating part (9) is adapted to be provided between the contaminated portion and the clean portion, the dust separating part (9) comprising at least one cyclone and/or a coarse filter part (9), where the contaminated portion of the dust cyclone container (3) is adapted to be provided with a dust container (59), such as a flexible dust bag or a rigid box for collecting relatively coarse dust, —a fine filter section (12) arranged adjacent to the dust cyclone container (3) and having a contaminated section and a clean section downstream the contaminated section, and a fine filter part (15) is adapted to be provided between the contaminated section and the clean section, —a mobility section (66) comprising wheels (7, 8a, 8b) and a frame (6), —an air channel (47), between a clean side of the dust cyclone container (3) and a contaminated side of the fine filter part (15), —a blower/fan motor (10), preferably mounted to the fine filter section (12), for drawing air from the air inlet (2) through the dust separating part (9), through the air channel (47) and through the fine filter part (15), and allowing air to exit to the ambient after having passed the fine filter part (15), wherein the dust cyclone container (3) has a center axis (48) along its longitudinal extension, and the fine filter part (15) is provided at a radial distance from the dust cyclone container (3) along a plane (P) perpendicular to the center axis (48) of the dust cyclone container (3), the plane (P) coinciding with the dust cyclone container (3) and a portion of the fine filter part (15), wherein the fine filter section (12) is attached to the mobility section (66), and wherein the dust cyclone container (3) is attached to the fine filter section (12), so as to be suspended from the fine filter section (12).