Rotor Dust Separation Gates for Stable Gas Stream Filtration
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Solution Overview
Problem
Cyclonic separators in vacuum cleaners and centrifugal systems are inefficient in removing all particles from gas streams, leading to filter blockages and reduced flow rates, and operate effectively only within narrow operating conditions.
Innovation Solution
A device with a rotor and annular gates that collect particles from a gas stream, featuring resilient flanges and a cavity for particle collection, along with an inlet system that directs particles to the rotor, enhancing particle removal efficiency and reducing filter blockages.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If filters are added downstream of cyclonic separators to remove remaining particles, then particle removal efficiency is improved, but filter blockages occur and flow rates diminish
Solution Approach 1:
The device segments the particle collection function into multiple independent gates distributed around the rotor periphery, each capable of operating autonomously. This segmentation prevents any single collection point from becoming overwhelmed and blocked, maintaining continuous flow while achieving high particle removal efficiency through distributed collection across multiple gate positions.
Solution Approach 2:
The gates are designed to be movable rather than fixed, allowing them to dynamically adjust their positions based on particle accumulation. The gates can open to discharge collected particles and close to prevent escape during rotation, providing dynamic control over the collection and discharge cycles to maintain optimal flow conditions.
2Loss of energy
If cyclonic separators operate at reduced air flow rates, then energy consumption is reduced, but separation efficiency diminishes
Solution Approach 1:
The movable gates enable the separator to dynamically adapt to varying flow conditions. At reduced flow rates, the gates can adjust their timing and position to maintain effective particle collection, ensuring separation efficiency is preserved across a wider range of operating conditions than fixed designs can achieve.
Solution Approach 2:
The device changes operational parameters by adjusting gate timing and position based on flow conditions. This allows the separator to maintain optimal performance across varying air flow rates by modifying the collection and discharge cycle parameters to match current operating conditions.
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 device effectively separates particles from gas streams with improved efficiency and reduced filter blockages, maintaining performance across varying operating conditions.
Implementation Method 1
cyclonic devices that cause an air stream to rotate within a hollowed body so that particles move radially outward
Implementation Method 2
each gate includes a resilient flange resiliently urged to the closed position
Data Source
AI summary
A device to separate particles from a gas stream. The device may be a vacuum cleaner (10) or an industrial dust extraction device. The vacuum cleaner (10) includes a rotor assembly (20) to which the gas stream is delivered, the rotor assembly (20) having a plurality of gates (42) that collect dust and open to deliver dust to an outlet chamber (23). The gates (42) include one or more gates (42) that may include a resilient deflectable flange that is movable between an open and a closed position to provide for passage of the dust to the chamber (23).