Vacuum Filter Housing With Visible Sealed Inspection Access
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Solution Overview
Problem
Existing surface cleaning apparatuses, such as vacuum cleaners, often require users to remove parts to inspect or replace filters, which can be inconvenient and may lead to missed maintenance opportunities, and they lack efficient designs for protecting cyclone bin assemblies from impacts.
Innovation Solution
A surface cleaning apparatus design featuring a transparent seal plate over a filter compartment that allows visual inspection without removing the seal plate, with a cyclone bin assembly positioned between sidewalls that cover its transverse faces, providing protection from impacts and easy access for maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the filter compartment is enclosed by a seal plate to provide an air-tight chamber, then the sealing performance is improved, but the ease of inspection deteriorates
Solution Approach 1:
The seal plate is made transparent or translucent, allowing users to visually inspect the filter condition through the plate without opening the compartment. This optical property change enables simultaneous achievement of sealing (by maintaining a closed structure) and inspection (by making the plate transparent).
2Reliability
If a large filter is provided to improve filtration capacity, then the filtering performance is improved, but the footprint of the apparatus increases
Solution Approach 1:
The filter compartment is positioned vertically between the sidewall and the side wheel, utilizing the radial space within the wheel's diameter. This three-dimensional arrangement allows a large filter surface area to be accommodated within the existing footprint by exploiting the vertical and radial dimensions rather than increasing the horizontal footprint.
3Ease of repair
If the side wheel is made removable to allow access to the filter compartment, then the ease of maintenance is improved, but the device complexity increases
Solution Approach 1:
The side wheel is segmented into a removable portion and a fixed portion. The removable portion can be detached to provide access to the filter compartment for maintenance, while the fixed portion remains attached to the apparatus. This segmentation allows easy maintenance access without requiring removal of the entire wheel assembly, thereby limiting the increase in device complexity.
Data Source
AI summary
A surface cleaning apparatus comprises an air flow path extending from a dirty air inlet to a clean air outlet, an air treatment member and a suction motor. The surface cleaning apparatus comprises a main body comprising a front end, a rear end and a filter compartment. A pair of spaced apart wheels may be mounted to the surface cleaning apparatus. One of the wheels overlies the filter compartment and at least a portion of the filter is visible through the wheel.