Dual-Outlet Cyclone Bin Layout for Tilt-Stable Hand Vacuums
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Solution Overview
Problem
Existing surface cleaning apparatus, such as hand vacuum cleaners, often face challenges in efficiently managing cyclone bin assemblies and dirt collection, particularly in terms of ease of emptying and maintaining airflow, especially when tilted or used in various orientations.
Innovation Solution
A hand carriable surface cleaning apparatus with a cyclone bin assembly featuring a vertically oriented cyclone chamber and a dirt collection chamber positioned below, including two dirt outlets positioned opposite each other to ensure unblocked airflow regardless of the device's tilt, and a pre-motor filter chamber positioned above the cyclone chamber to enhance airflow and reduce overall size.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a single dirt outlet is used in the cyclone bin assembly, then the structure is simpler, but airflow may be blocked when the device is tilted at certain angles
Solution Approach 1:
The patent positions two dirt outlets at specific asymmetric locations on the cyclone chamber - one at the bottom and one at the side - rather than using symmetric positioning. This asymmetric arrangement ensures that at least one outlet remains unblocked regardless of the device's tilt angle, resolving the contradiction between simplicity and reliability.
Solution Approach 2:
The patent adds a second dirt outlet dimension to the single outlet configuration, creating a multi-dimensional airflow path system. This allows airflow to escape through different spatial dimensions depending on the device orientation, ensuring continuous operation while maintaining relatively simple structure.
2Device complexity
If the pre-motor filter chamber is positioned below the cyclone chamber, then the overall structure is simpler, but the device size increases and airflow efficiency decreases
Solution Approach 1:
The patent nests the pre-motor filter chamber within the space above the cyclone chamber, creating a compact vertical arrangement where components are stacked efficiently. This nesting approach reduces the overall device volume while maintaining the functional separation between cyclone separation and pre-motor filtration.
Solution Approach 2:
The patent repositions the pre-motor filter chamber to a vertical arrangement above the cyclone chamber rather than a horizontal arrangement below it. This dimensional change optimizes the use of vertical space, reducing the device's footprint while improving airflow efficiency through the cyclone assembly.
3Ease of manufacture
If the pre-motor filter chamber is positioned below the cyclone chamber, then manufacturing is easier, but airflow efficiency and compactness are reduced
Solution Approach 1:
The patent changes the spatial arrangement from a horizontal below-positioning to a vertical above-positioning of the pre-motor filter chamber. This dimensional reconfiguration improves airflow efficiency by placing the filter in a position that optimizes air intake to the motor while maintaining manufacturing feasibility through standardized component mounting.
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 solution ensures efficient dirt collection and airflow management, allowing for effective cleaning regardless of the apparatus's orientation and facilitating easy emptying of the dirt collection chamber, while maintaining a compact design.
Implementation Method 1
a cyclone bin assembly including a cyclone chamber and a dirt collection chamber
Implementation Method 2
cyclonic cleaning stage
Implementation Method 3
a pre-motor filter chamber positioned above the cyclone chamber
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A hand carriable surface cleaning apparatus, such as a cyclonic hand vacuum cleaner, is provided wherein the cyclone chamber has two dirt outlets.