Movable Cleaning Unit in Vacuum Chamber for Multi-Filter Dedusting
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Solution Overview
Problem
Conventional vacuum cleaning devices face issues with filter cleaning, including recoil affecting suction performance, potential damage from unfiltered ambient air, and complex construction with multiple decoupling valves, which lead to performance loss and increased maintenance.
Innovation Solution
A cleaning unit within the vacuum chamber, utilizing a thrust module and oscillating movement generated by offset eccentrics to decouple and clean filters, allowing for multi-axis cleaning without disrupting suction and reducing component complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If backflushing is used to clean filters, then filter cleaning is achieved, but recoil is generated that impairs suction performance
Solution Approach 1:
The patent uses mechanical vibrations generated by an eccentric mechanism to clean the filter. The cleaning unit generates oscillating movements that are transmitted to the filter, dislodging dust particles without causing recoil. This vibration-based cleaning method achieves effective filter maintenance while preserving continuous suction performance.
2Reliability
If vibration cleaning is used to clean filters, then cleaning can be carried out independently of pressure, but decoupling the filter requires a decoupling valve and actuator for each filter which complicates construction
Solution Approach 1:
The patent combines multiple filter cleaning functions into a single cleaning unit that can service both filters. The cleaning unit is movable and can be positioned to clean either filter alternately, eliminating the need for separate decoupling valves and actuators for each filter. This merging approach reduces component count and simplifies the overall device construction.
Solution Approach 2:
The single cleaning unit is designed with universal functionality to clean both filters. By making the cleaning unit movable and repositionable, it can serve multiple filters sequentially, providing multi-functionality without requiring duplicate cleaning mechanisms for each filter.
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 solution enables efficient, low-maintenance filter cleaning that maintains suction power and reduces noise, with fewer components required, allowing for effective cleaning of multiple filters using a single cleaning unit.
Implementation Method 1
a thrust module 6 which is set up to move the cleaning unit 1 within the vacuum chamber 2
Implementation Method 2
an oscillating movement of the cleaning unit 1 can be transmitted to the decoupled filter
Implementation Method 3
The cleaning unit (1) comprises an eccentric unit (9) which is set up to generate the oscillating movement
Data Source
Figure 1
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AI summary
The present invention relates to an arrangement of a dedusting unit in a vacuum cleaning device. The dedusting unit is provided in a low-pressure chamber of the vacuum cleaning device and can be moved by a movement module into various positions within the low-pressure chamber which is formed by a turbine and at least two filters. The dedusting unit can therefore be positioned within the low-pressure chamber such that in each case one filter can be decoupled from a suction flow and an oscillatory movement of the dedusting unit can be transferred to the decoupled filter. In a second aspect, the invention relates to a vacuum cleaning device which comprises an arrangement of a dedusting device according to the invention, and a filter dedusting method for a vacuum cleaning device.