Cyclone Assembly Layout for Higher Dust Separation Efficiency
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Solution Overview
Problem
Cyclonic separators in vacuum cleaners face inefficiencies in separating particulate matter due to the proximity of the dirt collection chamber to the cyclone casing, which limits the separation efficiency.
Innovation Solution
The cyclone separator design positions the separated material collection chamber at least 0.5 inches away from the cyclone casing, allowing for enhanced separation efficiency by providing a dedicated space for dirt collection exterior to the cyclone casing, with a fluid inlet on one section and a separated material outlet on an opposed section, and incorporating a transition member that can be angled or curved to direct dirt exit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the dirt collection chamber is positioned adjacent to or within the cyclone casing, then the device complexity is reduced and manufacturing is simplified, but the separation efficiency of the cyclone separator deteriorates
Solution Approach 1:
The dirt collection chamber is extracted from the cyclone casing and positioned as a separate external chamber. The cyclone separator and dirt collection chamber are connected through a dirt outlet passage, allowing the cyclone to focus solely on separation while the external chamber collects debris. This extraction resolves the contradiction by improving separation efficiency without significantly increasing overall device complexity.
Solution Approach 2:
The dirt collection chamber is positioned in a different spatial dimension relative to the cyclone casing, specifically below and exterior to it, connected via a vertical dirt outlet passage. This dimensional arrangement allows both chambers to function independently while maintaining efficient separation, as the collection chamber does not interfere with the cyclone's rotational separation zone.
2Manufacturing precision
If the separated material collection chamber is spaced at least 0.5 inches from the cyclone casing, then the separation efficiency is enhanced, but the device complexity and manufacturing difficulty increase
Solution Approach 1:
The dirt collection chamber is designed to surround the lower portion of the cyclone casing in a nested arrangement, with the collection chamber positioned externally and connected through a dirt outlet passage. This nesting allows the spaced configuration for enhanced separation efficiency while maintaining a compact overall structure that does not excessively increase device complexity.
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 configuration significantly enhances the separation efficiency of the cyclone separator by allowing heavier materials to exit laterally and be collected externally, improving the overall cleaning process in vacuum cleaners.
Implementation Method 1
Cyclonic separators, including those used in vacuum cleaners are known in the art. Typically, a cyclonic separator has an inlet for fluid (air, liquid or and air and liquid mix) to be treated and an outlet for treated fluid.
Implementation Method 2
As the fluid travels through the cyclone chamber, it will rotate and heavier material (e.g. particulate matter) will exit the cyclone chamber via the separated material outlet.
Data Source
AI summary
A cyclone separator useable in a surface cleaning apparatus comprises a cyclone casing defining a cyclone chamber and having first and second opposed ends and a sidewall extending between the first and second ends. A separated material collection chamber surrounds at least a portion of the cyclone chamber and is communication therewith via a separated material outlet. The separated material collection chamber is spaced at least about 0.5 inches from the cyclone chamber. In addition, the separated material collection chamber is spaced from the bottom of the cyclone by at least about 0.5 inches.