Configuration of a cyclone assembly and surface cleaning apparatus having same
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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 airflow and particulate matter effectively.
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 invention divides the cyclone separator into two distinct segments: the cyclone casing containing the cyclone chamber, and a separate dirt collection chamber positioned exterior to the cyclone casing. This segmentation allows each component to be optimized independently - the cyclone chamber for separation and the external collection chamber for dirt accumulation - thereby resolving the contradiction between structural simplicity and separation efficiency.
Solution Approach 2:
The dirt collection chamber is positioned in a different spatial dimension relative to the cyclone casing, specifically exterior to the cyclone casing at a distance of at least 0.5 inches. This dimensional separation allows the collection chamber to be accessed and emptied independently without disassembling the cyclone casing, maintaining structural simplicity while enabling high separation efficiency through proper spacing.
2Reliability
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:
By segmenting the cyclone separator into a cyclone casing and a separate external dirt collection chamber, the invention enables the collection chamber to be positioned at the optimal distance of at least 0.5 inches from the cyclone casing. This segmentation allows the spacing requirement to be met without complicating the overall manufacturing process, as each component can be manufactured separately and then assembled.
Solution Approach 2:
The invention introduces a transition member as an intermediary component that facilitates the connection between the cyclone casing and the external dirt collection chamber. This transition member simplifies the manufacturing process by providing a standardized interface, allowing the spaced arrangement to be achieved without increasing overall manufacturing complexity.
3Reliability
If the dirt collection chamber is exterior to the cyclone casing, then the separation efficiency improves, but the device complexity and assembly difficulty increase
Solution Approach 1:
The invention employs a nested arrangement where the dirt collection chamber is positioned exterior to but surrounds portions of the cyclone casing. This nesting allows the two components to be closely integrated in space while maintaining the required 0.5 inch separation, reducing assembly complexity compared to completely separate arrangements.
Solution Approach 2:
The transition member serves as an intermediary that simplifies the assembly process by providing a pre-formed connection interface between the cyclone casing and the external dirt collection chamber. This intermediary component reduces assembly complexity by eliminating the need for complex joining mechanisms.
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 design significantly enhances the separation efficiency of the cyclone separator by ensuring that heavier materials exit through a dedicated dirt outlet, while air reverses direction to exit through a separate fluid outlet, improving the overall cleaning process in vacuum cleaners.
Implementation Method 1
a cyclone separator having a dirt collection chamber positioned adjacent one lateral side of the cyclone separator
Implementation Method 2
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 chamber and a dirt collection chamber exterior to, and surrounding at least a portion of the cyclone chamber. The dirt collection chamber is in communication with the cyclone chamber via a dirt outlet. An air flow passage extending to the cyclone air inlet travels generally axially through the dirt collection chamber.