Parallel Cyclone Dust Separation With Lower Pressure Loss
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Solution Overview
Problem
Conventional cyclone dust separators for vacuum cleaners face limitations in suction force due to pressure loss, leading to reduced cleaning efficiency and a short maintenance cycle for filters.
Innovation Solution
A cyclone dust separator design featuring a bypass path with a first mesh and two cyclones, where dust-laden air is sequentially filtered and separated by the first cyclone and then the second cyclone, with each cyclone having distinct air inlets and meshes, and a guide member directing air to the first mesh, enhancing suction force and reducing pressure loss.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a double-cyclone or multi-cyclone dust separator is used to enhance dust collecting efficiency, then dust collecting efficiency is improved, but suction force deteriorates due to pressure loss
Solution Approach 1:
The dust separator is divided into multiple independent cyclone chambers (first cyclone chamber, second cyclone chamber, third cyclone chamber) that operate in parallel. Each chamber handles a portion of the dust-laden air flow, enabling high dust collection efficiency while maintaining lower pressure loss compared to a single large cyclone or serially-connected cyclones.
2Productivity
If multiple cyclones are serially connected to improve dust collection, then dust collecting efficiency is enhanced, but device complexity increases
Solution Approach 1:
Multiple cyclone chambers are merged into a single integrated dust separator body with a common dust collection chamber at the bottom. The cyclone chambers are arranged side-by-side and share common structural elements, simplifying the overall design compared to serially-connected cyclones while maintaining high dust collection efficiency.
3Productivity
If a fine mesh is used to filter dust, then dust separation efficiency is improved, but pressure loss increases reducing suction force
Solution Approach 1:
The patent replaces traditional fine mesh filters with cyclone chambers that use centrifugal force generated by rotating airflow to separate dust particles. This mechanical substitution eliminates the pressure loss associated with fine mesh filtration while maintaining high dust separation efficiency through the cyclonic action.
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 improves suction efficiency and extends the maintenance cycle of filters by maintaining strong initial suction force and reducing pressure loss, allowing for longer operation and easier filter replacement.
Implementation Method 1
The cyclone dust separator forms a whirling current with the dust-laden air so that the dust included in the air is separated by a centrifugal force generated by the whirling current
Implementation Method 2
a first cyclone disposed at one side of the bypass path to separate the dust from the dust-laden air drawn in through the suction opening and discharge cleaned air to the motor; and a second cyclone disposed parallel with the first cyclone to separate the dust from the dust-laden air
Data Source
AI summary
A cyclone dust separator for a vacuum cleaner, where a couple of cyclones are disposed parallel with each other and sequentially operated to separate and collect dust. The cyclone dust separator includes a bypass path guiding dust-laden air drawn in through a suction opening directly to a motor and having a first mesh that filters off dust included in drawn-in air; a first cyclone disposed at one side of the bypass path to separate the dust from the dust-laden air drawn in through the suction opening and discharge cleaned air to the motor; and a second cyclone disposed parallel with the first cyclone to separate the dust from the dust-laden air drawn in through the suction opening and discharge cleaned air to the motor. The dust included in the air is separated sequentially by the first mesh, the first cyclone and the second cyclone.