Shaver Cleaning Station Cartridge Design for Compact Fluid Flow
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Solution Overview
Problem
Existing shaver cleaning station cartridges are bulky, leading to high transportation costs and inefficient fluid flow, with protruding features causing contamination and reduced packability.
Innovation Solution
A shaver cleaning station cartridge design with axially extending side walls, convex end walls, and a mounting feature for correct insertion, featuring thermoplastic components welded together to enhance compactness and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the cartridge includes protruding sealing rims and side ear projections to ensure sealing and structural integrity, then sealing reliability is improved, but the cartridge becomes bulkier increasing transportation costs and reducing packability
Solution Approach 1:
The cartridge employs asymmetric design by eliminating symmetric side ear projections and replacing uniform sealing rims with a localized sealing groove positioned strategically at the interface with the cleaning station. This asymmetric approach maintains sealing functionality while reducing overall cartridge volume and improving packability.
Solution Approach 2:
The invention extracts and removes the bulky side ear projections from the cartridge design, retaining only the essential sealing functionality through a streamlined sealing groove. This extraction eliminates unnecessary volume while preserving the critical sealing function needed for reliable operation.
2Volume of moving object
If the cartridge has a compact design with axially extending side walls and convex end walls to improve packability, then transportation efficiency is improved, but manufacturing complexity increases due to welding requirements
Solution Approach 1:
The cartridge integrates multiple structural functions into unified components: the convex end walls serve both as structural elements for compactness and as integral parts of the sealing system. The side walls extend axially to provide both structural integrity and streamlined geometry for efficient packing, merging form and function in a single manufacturing process.
Solution Approach 2:
The invention changes the geometric parameters of the cartridge by implementing convex end walls with specific curvature radii and axially extending side walls with controlled thickness variations. These parameter optimizations enable the compact shape to be achieved through standard injection molding or similar processes, reducing manufacturing complexity despite the unconventional geometry.
3Reliability
If the cartridge features uniformly shaped compartment walls protruding into the interior space for debris collection, then cleaning effectiveness is improved, but the cartridge becomes bulkier and fluid flow efficiency deteriorates
Solution Approach 1:
Instead of uniform compartment walls throughout the cartridge, the invention implements localized debris collection features only where needed - specifically at the interface with the cleaning station where debris is generated. The interior space maintains a largely open, unobstructed geometry to preserve fluid flow efficiency, with selective local modifications for cleaning functionality.
Solution Approach 2:
The cartridge interior is segmented into functional zones: a debris collection zone near the station interface with minimal protrusions, and a fluid reservoir zone with maximized open space for efficient fluid circulation. This segmentation allows debris trapping without compromising overall fluid flow dynamics.
Data Source
Figure 1
Figure 2A~2B
Figure 2C~2F
AI summary
Provided is a shaver cleaning station cartridge (22) for inserting into a slot defined in a shaver cleaning station. The cartridge is suitable for containing cleaning liquid for cleaning a shaver docked in the shaver cleaning station. Further provided is a method for manufacturing such a cartridge.