Cyclone Dust Separator Layout to Prevent Inlet Dirt Buildup
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Solution Overview
Problem
The existing dust separating apparatus for vacuum cleaners is bulky due to the increased capacity required for the dust collecting receptacle to accommodate the cyclone unit, and there is an efficiency issue as whirled dirt often piles up on the upper surface of the inflow channel, preventing effective collection of dirt in the receptacle.
Innovation Solution
A compact dust separating apparatus design where the cyclone unit is eccentrically disposed within the dust collecting receptacle, and the inflow channel has an inclined upper surface sloping downward toward the bottom of the receptacle, preventing dirt accumulation and improving collection efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the cyclone unit is centrally disposed in the dust collecting receptacle, then the cyclone can effectively separate dirt from air, but the dust collecting receptacle requires additional capacity to accommodate the cyclone unit, resulting in a big-sized dust separating apparatus
Solution Approach 1:
The cyclone unit is disposed eccentrically (off-center) within the dust collecting receptacle rather than at the center. This asymmetric positioning allows the cyclone unit to be integrated into the corner or side area of the receptacle, eliminating the need for additional central space and reducing the overall volume of the dust separating apparatus while maintaining effective dirt separation functionality
2Device complexity
If the inflow channel has a horizontal upper surface, then the structure is simple, but whirled dirt piles up on the upper surface of the inflow channel, deteriorating dust collecting efficiency
Solution Approach 1:
The upper surface of the inflow channel is designed with an inclined plane (sloped surface) rather than a horizontal flat surface. This curved/angled geometry causes whirled dirt to slide down along the incline toward the bottom of the receptacle due to gravity, preventing accumulation on the inflow channel surface and improving dust collecting efficiency while adding minimal structural complexity
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
This design allows for a compact configuration while ensuring efficient dirt collection by preventing dirt from piling up on the inflow channel, thus enhancing the overall dust collecting efficiency of the apparatus.
Implementation Method 1
a cyclone unit eccentrically disposed in the dust collecting receptacle and adapted to whirl air drawn in through an inflow channel
Implementation Method 2
separates dirt from the air drawn in from the cleaning surface due to a difference in centrifugal forces of the air and the dirt
Implementation Method 3
an inclined upper surface which slopes downward toward a bottom of the dust collecting receptacle by a predetermined angle
Data Source
AI summary
A dust separating apparatus for a vacuum cleaner which is compact in configuration and is capable of preventing dirt from piling up on an entrance channel is provided. The dust separating apparatus includes a dust collecting receptacle adapted to collect dirt, and a cyclone unit eccentrically disposed in the dust collecting receptacle and adapted to whirl air drawn in through an inflow channel thereof, and the inflow channel may have an inclined upper surface which slopes downward toward a bottom of the dust collecting receptacle by a predetermined angle.