Dust extractor comprising a dust cyclone container adjacent to a fine filter section with a battery powered blower/fan motor
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Solution Overview
Problem
Conventional dust extractors pose safety risks when replacing fine filters, as small particles can become airborne, and they are often cumbersome and difficult to move between work sites.
Innovation Solution
A compact dust extractor design with a dust cyclone container and fine filter section, featuring a dust separating part with a cyclone and/or coarse filter, a mobility section with wheels, and an integrated air channel, allowing for secure handling and easy transport, with a lid arrangement that forms part of the air channel and maintains the fine filter in place.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional dust extractor with separate components is used, then dust separation function is achieved, but the device is cumbersome and difficult to move between work sites
Solution Approach 1:
The patent combines the dust cyclone container and fine filter section into a single integrated unit with a shared common housing. The fine filter section is positioned adjacent to the dust cyclone container, eliminating the need for separate components and reducing overall device complexity while maintaining mobility.
Solution Approach 2:
The fine filter section is nested within or adjacent to the dust cyclone container structure, with both components sharing the common housing. This nested arrangement minimizes the overall footprint and makes the device more compact and easier to move between work sites.
2Ease of operation
If the fine filter is replaced by opening the lid and removing the filter cylinder, then filter replacement is simple, but small particles can become airborne and contaminate the ambient air
Solution Approach 1:
The patent introduces a lid arrangement that seals the air channel between the dust cyclone container and fine filter section. This preliminary sealing action prevents hazardous particles from becoming airborne during filter replacement, addressing the harmful effect before it can occur.
Solution Approach 2:
The lid arrangement acts as an intermediary element that maintains the seal between the dust cyclone container and fine filter section during filter replacement operations. This intermediary structure allows filter replacement while preventing particle release into the ambient air.
3Ease of operation
If the dust extractor is designed as a compact integrated unit, then mobility is improved, but the internal space for dust collection and filtration is reduced
Solution Approach 1:
The patent positions the fine filter section adjacent to the dust cyclone container in a radial arrangement around the common housing. This dimensional arrangement maximizes the use of available space within the compact structure, maintaining adequate dust collection volume while achieving compact mobility.
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 minimizes hazardous dust release during filter replacement, enhances mobility, and provides a secure and efficient dust handling system, ensuring safety and ease of use in various work environments.
Implementation Method 1
a dust separating part, adapted to be provided between the contaminated portion and the clean portion, the dust separating part comprising at least one cyclone and/or a coarse filter part
Implementation Method 2
relatively heavy dust falls into the dust collection container due to gravity. Relatively light dust is sucked towards the coarse filter
Implementation Method 3
Relatively light dust is sucked towards the coarse filter which prevents some dust to continue
Implementation Method 4
a filter cylinder with a fine filter, for example a High-Efficiency Particulate Air (HEPA) filter, which is capable of filtering dust of PM2.5
Implementation Method 5
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 6
relatively heavy dust falls into the dust collection container due to gravity
Data Source
AI summary
The present disclosure relates to dust extractor (1) comprising a dust cyclone container (3) having a contaminated portion downstream an air inlet (2) and a clean portion downstream the contaminated portion, and a dust separating part (9) there between. The contaminated portion is provided with a dust container (59). The dust extractor (1) comprises 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. An air channel (47) runs between a clean side of the dust cyclone container (3) and a contaminated side of the fine filter part (15). The dust extractor also comprises a mobility section (66) comprising wheels and a blower/fan motor (10) for drawing air from the air inlet (2) through the dust extractor. 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). The blower/fan motor (10) is adapted to be powered at least partly by at least one onboard battery (61), and preferably two batteries (61), wherein the at least one battery (61) is arranged to be received in at least one battery slot (62) provided in the fine filter section (12) or in the mobility section (66).