Cyclone Dirt Outlet Gap Layout for Better Dust Separation
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Solution Overview
Problem
Cyclonic surface cleaning apparatuses face inefficiencies in dirt collection due to uniform dirt outlet gaps, which can lead to inconsistent dirt separation and airflow, affecting cleaning performance.
Innovation Solution
A cyclone design with a non-uniform dirt outlet gap, featuring a plate with a variable sidewall and a cyclone having a longitudinally extending sidewall of varying lengths, creating a gap of different heights to enhance dirt collection and airflow efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a uniform dirt outlet gap is used in cyclonic surface cleaning apparatuses, then the structure is simple and easy to manufacture, but dirt separation consistency and airflow efficiency deteriorate
Solution Approach 1:
The patent applies local quality by varying the gap height at different locations around the cyclone. The gap between the plate and cyclone casing is non-uniform, with different sections having different heights to optimize dirt separation in specific regions while maintaining overall system performance.
Solution Approach 2:
The invention introduces asymmetry by designing an asymmetric gap structure where the distance between the plate and cyclone casing varies around the circumference. This asymmetric configuration improves airflow patterns and dirt separation efficiency compared to a symmetric uniform gap.
2Productivity
If a non-uniform gap design is implemented, then dirt separation efficiency and airflow efficiency improve, but manufacturing complexity increases
Solution Approach 1:
The plate is segmented into different sections with varying gap heights. This segmentation allows the complex non-uniform gap to be constructed from simpler discrete sections, making manufacturing more manageable while achieving the desired performance improvements.
Solution Approach 2:
The invention changes the geometric parameters of the gap structure from uniform to non-uniform. By varying the gap height parameter around the cyclone, the system achieves improved dirt separation and airflow efficiency while the parameter changes can be implemented through standard manufacturing processes.
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 non-uniform gap design improves dirt separation and airflow efficiency, allowing for more effective dirt collection and cleaner air output, enhancing the overall cleaning performance of the cyclonic surface cleaning apparatus.
Implementation Method 1
Cyclonic surface cleaning apparatuses face inefficiencies in dirt collection
Implementation Method 2
cyclone having an open end, wherein the open end comprises the dirt outlet of the cyclone
Data Source
AI summary
A portable surface cleaning apparatus, such as a hand vacuum cleaner, having a cyclone and a cleaner body, wherein a pre-motor filter is positioned in the air flow passage upstream from the suction motor and, when the cyclone and the cleaner body are separated, the pre-motor filter remains in position and access to the pre-motor filter is provided.