Wet/Dry Vacuum Filter Assembly for Closed-Lid Easy Access
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Solution Overview
Problem
Existing wet/dry vacuum systems require users to work with multiple latches, remove heavy power heads, and balance lids to replace filters, leading to potential tipping and debris dispersal, making the process inefficient, unsafe, and messy.
Innovation Solution
A wet/dry vacuum system with a removable filter assembly and a lid assembly that includes a handle and sealing lip design, allowing users to access and remove the filter by disengaging it from the lid assembly's recessed region, facilitating easier and safer filter replacement without the need to detach the power head or balance the lid.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the traditional filter replacement method is used (removing power head and lid), then the filter can be accessed, but the process becomes complex and time-consuming
Solution Approach 1:
The filter assembly is extracted as a separate, removable component from the lid assembly. The filter can be removed by simply detaching the filter assembly from the lid through a recessed region, without needing to remove the power head or lid entirely. This extraction principle simplifies the filter replacement process while maintaining filter accessibility.
2Ease of operation
If the lid is hinged open for filter access, then the filter is accessible, but the vacuum may tip over due to weight displacement
Solution Approach 1:
Instead of hinging the lid open which shifts weight distribution and may cause tipping, the filter assembly is extracted directly from its recessed region in the lid while the lid remains in its closed, stable position on the vacuum. This maintains the vacuum's stability while providing filter access.
3Ease of operation
If the lid is opened for filter replacement, then the filter is accessible, but collected debris may be released into the environment
Solution Approach 1:
The filter assembly is extracted from the recessed region of the lid without opening the lid or drum. Since the lid remains closed, the collected debris inside the drum is contained and cannot be released into the environment. This extraction method provides filter access while preventing harmful debris dispersal.
4Reliability
If multiple latches are used to secure the lid, then the lid is secure, but the filter replacement process becomes more difficult
Solution Approach 1:
The filter assembly is designed to be extractable from the lid's recessed region independently of the lid's latching mechanism. The lid remains securely latched to the drum during filter replacement, maintaining security while allowing easy filter access through the recessed region. This eliminates the need to manipulate multiple latches for filter maintenance.
Data Source
AI summary
Described herein are improved wet/dry vacuum appliance assemblies and associated systems which facilitate the ease of removal of the filter assembly from within the appliance itself. The vacuum appliance assemblies described include a drum, a lid assembly adapted to removably mount on or to hinge on the drum, and a filter assembly housed within the lid assembly, wherein the lid assembly comprises a removable component such that if the removable component is removed, the filter assembly is accessible. Also described herein are methods of removing such a filter assembly from a wet/dry vacuum appliance, wherein the method includes removing a component of the lid assembly of the wet/dry vacuum in order to make the filter assembly accessible, grasping a handle of a filter assembly housed within the lid assembly of the wet/dry vacuum appliance, rotating the filter assembly so as to disengage it from a sealing relationship with the lower portion of an interior region of the lid assembly, and then removing the filter assembly from the vacuum appliance by pulling generally in an upward direction.