Vacuum Cleaner Vortex Inlet Design to Reduce Filter Clogging and Noise
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Solution Overview
Problem
Existing vacuum cleaners discharge filtered air upward, causing user discomfort and increasing noise due to foreign matter accumulation on filters and increased air flow resistance, which decreases purification efficiency.
Innovation Solution
A vacuum cleaner design featuring a dust container with a circumferential suction port and an inlet guide member that generates a vortex to direct foreign matter to the bottom, minimizing attachment to filters, and a discharge port on the casing to prevent direct air blowing towards the user, utilizing a corn type protector with a large diameter and HEPA and activated carbon filters for efficient air purification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If air is discharged upward through a discharge port in conventional vacuum cleaners, then the structure is simple, but the air directly blows toward the user causing discomfort and increasing noise
Solution Approach 1:
The discharge port is repositioned from an upward orientation to a lateral orientation on the circumferential surface of the housing. This dimensional change redirects the air flow away from the user, eliminating direct blowing discomfort while maintaining structural simplicity through strategic repositioning rather than complex modifications
2Reliability
If foreign matter accumulates on the filter surface, then filtration is effective, but air flow resistance increases causing noise and reduced purification efficiency
Solution Approach 1:
The filter assembly is segmented into a protective cage structure that creates distinct flow channels. This segmentation guides air flow to move along the circumferential direction, preventing foreign matter from directly accumulating on the filter surface while maintaining effective filtration, thus reducing air flow resistance and noise
Solution Approach 2:
A protective cage structure serves as an intermediary between the incoming air flow and the filter. This intermediary component guides the air flow in a circumferential path, allowing filtration to occur while preventing direct foreign matter deposition on the filter, thereby maintaining low air flow resistance
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 design effectively minimizes foreign matter attachment to filters, reduces noise, and improves user satisfaction by ensuring purified air is discharged away from the user, enhancing air purification efficiency and ease of movement.
Implementation Method 1
an inlet guide member which is provided on an inner surface of the casing corresponding to one edge of the suction port so that the air introduced through the suction port generates a vortex to guide foreign matter having a predetermined size or larger among the foreign matter to fall to an inner bottom of the casing
Implementation Method 2
a filter unit which is provided in the casing, allows the air introduced through the suction port to pass, and filters out the foreign matter contained in the air
Implementation Method 3
one or more activated carbon filters which are seated inside the protector and are formed to correspond to the shape of the protector to filter out ultra-fine foreign matter and an odor component contained in the foreign matter
Data Source
AI summary
Disclosed is a vacuum cleaner. In the disclosed vacuum cleaner, a dust container includes a casing which has one open side and in which a suction port is formed in a circumferential surface of the casing, a filter unit which is provided in the casing, allows air introduced through the suction port to pass, and filters out foreign matter contained in the air, and an inlet guide member which is provided on an inner surface of the casing corresponding to one edge of the suction port so that the air introduced through the suction port generates a vortex to guide foreign matter having a predetermined size or larger among the foreign matter to fall to an inner bottom of the casing and to guide foreign matter attached to a surface of the filter unit to be detached.