Swirl Air Separator Splitters for Compact Cyclone Filtration
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Solution Overview
Problem
Existing cyclonic separators in vacuum cleaners face challenges in achieving high separation efficiency and energy efficiency while maintaining a compact size, particularly in battery-powered devices, as reducing cyclone body size increases energy consumption and can shorten battery life.
Innovation Solution
An apparatus with an impeller generating swirl in the airflow, followed by splitters to separate the airflow into clean and dirty portions, where the clean portion bypasses further separation stages and its energy is recaptured, and the dirty portion is processed through a downstream cyclone stage with fewer cyclone bodies, reducing energy requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the size of downstream cyclone bodies is decreased to increase centrifugal forces and improve separation efficiency, then separation performance is improved, but the volume of air each cyclone body can handle is reduced, requiring additional cyclone bodies which increases overall separator size and energy consumption
Solution Approach 1:
The invention segments the airflow into two distinct streams: a clean inner portion and a dirty outer portion. This segmentation allows the system to process only the necessary dirty portion through energy-intensive downstream cyclone stages, while the clean portion bypasses these stages entirely, thereby reducing overall energy consumption while maintaining high separation efficiency.
Solution Approach 2:
The invention extracts the clean inner portion of the airflow from the main stream using a splitter. By taking out this clean portion before it enters the downstream cyclone stages, the system avoids wasting energy on processing air that has already been effectively separated, thus resolving the contradiction between separation efficiency and energy consumption.
2Productivity
If additional smaller cyclone bodies are provided to maintain desired airflow volume, then airflow capacity is maintained, but the overall size of the separator increases and battery life is reduced
Solution Approach 1:
By segmenting the airflow into clean and dirty portions, the invention reduces the total volume of air that needs to be processed by downstream cyclone bodies. This allows for a compact separator design with fewer cyclone bodies, as only the dirty portion (a fraction of the total airflow) requires further processing, thus maintaining airflow capacity while reducing overall separator size.
Solution Approach 2:
The clean inner portion is extracted and diverted away from the downstream cyclone stages. This extraction reduces the airflow volume that the downstream stages must handle, allowing the use of fewer cyclone bodies and resulting in a more compact separator that does not compromise airflow capacity.
3Measurement precision
If multiple small cyclone bodies are used to process the entire airflow, then separation performance is improved, but energy consumption increases significantly, affecting battery life
Solution Approach 1:
The invention segments the airflow to identify and separate the clean inner portion from the dirty outer portion. This segmentation enables the system to direct only the dirty portion through the energy-consuming downstream cyclone stages, significantly reducing total energy consumption and extending battery life while maintaining high separation performance through the combined action of the impeller and downstream cyclones.
Solution Approach 2:
By extracting and diverting the clean inner portion before it enters the downstream cyclone stages, the invention eliminates the waste of energy on already-separated air. This extraction strategy maintains high separation performance while dramatically reducing energy consumption, thereby extending battery life in portable vacuum cleaners.
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 approach maximizes separation performance and energy efficiency by minimizing the volume of air requiring further processing, reducing the size and energy consumption of downstream stages, and extending battery life in battery-powered devices.
Implementation Method 1
an impeller for generating an airflow through the apparatus and for generating swirl within the airflow, the swirl throwing the dirt radially outwards
Data Source
AI summary
An apparatus for removing dirt from an airflow, the apparatus comprising an air inlet, an impeller for generating an airflow through the apparatus and for generating swirl within the airflow, the swirl throwing the dirt radially outwards and producing an outer dirty portion and an inner clean portion of airflow downstream of the impeller, and one or more splitters downstream of the impeller that bifurcate the airflow, separating the outer dirty portion from the inner clean portion.