Cyclone Chamber Dual Dirt Outlets for Tilted Hand Vacuums
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Solution Overview
Problem
Existing surface cleaning apparatus, such as hand vacuum cleaners, face challenges in maintaining dirt collection efficiency when tilted, as dirt can block outlets and reduce capacity, especially when used at angles to the horizontal.
Innovation Solution
Incorporating a cyclone chamber with two spaced-apart dirt outlets, one forward and one rearward, allows for continued operation even when the device is tilted, ensuring dirt can be effectively collected and expelled regardless of the orientation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If a single dirt outlet is used in the cyclone chamber, then the device structure is simple, but the dirt-carrying capacity is reduced and blockages occur when tilted at angles
Solution Approach 1:
The cyclone chamber is segmented with multiple dirt outlets (first dirt outlet and second dirt outlet) positioned at different locations. This segmentation allows dirt to be discharged through different outlets depending on the device orientation, thereby increasing the effective dirt-carrying capacity without significantly complicating the overall chamber structure.
2Adaptability or versatility
If the vacuum cleaner is tilted upwardly during operation, then the user can access hard-to-reach areas, but dirt moves rearwardly and blocks the rearwardly positioned dirt outlet
Solution Approach 1:
Different regions of the cyclone chamber are designed with different outlet characteristics. The first dirt outlet is positioned and sized to handle forward tilting operations, while the second dirt outlet is positioned and sized to handle rearward tilting operations. This local differentiation ensures reliable dirt discharge regardless of the device's operating angle.
3Adaptability or versatility
If the vacuum cleaner is tilted forwardly during operation, then the user can clean under furniture and in tight spaces, but dirt moves forwardly and blocks the forward dirt outlet
Solution Approach 1:
The system dynamically adapts its dirt discharge path based on device orientation. When tilted forward, the first dirt outlet remains functional while the second becomes blocked, and vice versa when tilted rearward. This dynamic behavior ensures continuous reliable operation across different cleaning scenarios without requiring active control 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
The dual dirt outlet design enhances the dirt-carrying capacity and functionality of the surface cleaning apparatus by preventing blockages and maintaining efficiency when used at angles, ensuring uninterrupted operation.
Implementation Method 1
a cyclone chamber with two spaced-apart dirt outlets
Implementation Method 2
cyclonic cleaning stage
Data Source
AI summary
A hand carriable surface cleaning apparatus, such as a cyclonic hand vacuum cleaner, is provided wherein the pre-motor filter is positioned above the upper end of the cyclone chamber and downstream of a cyclone chamber.