Cyclone Vacuum Dual Dirt Outlets for Tilted Cleaning
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Solution Overview
Problem
Existing surface cleaning apparatuses, 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 dual dirt outlets positioned at the front and rear of the cyclone chamber, allowing dirt to be expelled through either outlet regardless of the device's orientation, and optimizing the air flow path with a pre-motor filter and suction motor placement for improved ergonomics and ease of use.
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 collection capacity is reduced when the device is tilted at angles
Solution Approach 1:
The cyclone chamber is segmented with multiple dirt outlets positioned at different locations (front and rear outlets) to handle different operating orientations. This segmentation allows dirt to be expelled through the appropriate outlet based on the device's tilt angle, maintaining collection capacity without requiring a completely complex redesign of the cyclone chamber.
Solution Approach 2:
The solution transitions from a single-point outlet to a multi-point spatial distribution of outlets around the cyclone chamber. By adding the dimensional aspect of multiple outlet positions (front, rear, and potentially side outlets), the system maintains effectiveness across different spatial orientations of the device during operation.
2Reliability
If the dirt outlet is positioned at a single location, then the outlet design is simple, but dirt can block the outlet when the device is tilted
Solution Approach 1:
Different outlets are positioned at specific locations around the cyclone chamber (front outlet, rear outlet) to address local conditions created by different tilting angles. Each outlet is strategically placed to remain accessible under specific operating conditions, ensuring reliable dirt expulsion regardless of the device's orientation during use.
Solution Approach 2:
The outlet configuration moves from a single-location design to a multi-location spatial arrangement. By distributing outlets around the cyclone chamber in different spatial positions, the system ensures that at least one outlet remains unblocked and functional regardless of the device's tilt angle, thereby improving reliability.
3Quantity of substance
If the cyclone chamber is designed with a single outlet, then manufacturing is simpler, but the dirt capacity below the fill line is insufficient
Solution Approach 1:
The cyclone chamber is manufactured with multiple outlet openings segmented around its structure. While this requires additional fabrication steps compared to a single outlet, the segmentation allows for standardized manufacturing processes where outlets can be positioned using consistent patterns, balancing the increased complexity with systematic production methods.
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
Enhances dirt collection capacity and usability by ensuring continuous operation at various angles, reduces user effort due to ergonomic design, and facilitates easy emptying and maintenance of the dirt collection chamber.
Implementation Method 1
a cyclone bin assembly comprising a cyclone chamber and a dirt collection chamber exterior to the cyclone chamber
Implementation Method 2
an air flow path extending from a dirty air inlet to a clean air outlet and including the suction motor and the cyclone chamber
Data Source
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.