Adsorbent Cartridge End Cap for Sealing and Protection
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Solution Overview
Problem
Existing adsorbent cartridges face issues with handling and shipping damage, incompatibility with canister materials, and variable performance due to shock and vibration, as well as challenges in achieving a uniform end seal and accommodating different canister shapes and sizes.
Innovation Solution
The adsorbent cartridge assembly features multiple layers of adsorbent surfaces with mechanically spaced edges to allow gas flow, and an end cap that extends over the cartridge to provide a uniform seal and protection, compatible with various canister materials, and adaptable to different shapes and sizes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If an adsorbent cartridge is used without an end cap, then the structure is simpler and manufacturing cost is lower, but the cartridge becomes susceptible to damage during shipping and handling
Solution Approach 1:
The end cap is designed as a separate component that can be attached to the adsorbent cartridge, dividing the protection function from the adsorbent structure. This allows the cartridge to be protected during shipping and handling while maintaining a simpler base structure for the adsorbent element itself.
Solution Approach 2:
The end cap serves as a protective barrier that is applied beforehand to prevent damage during shipping and handling. It cushions the adsorbent cartridge against impacts and mechanical stress before any damage can occur.
2Adaptability or versatility
If the cartridge directly contacts the canister material, then the structure is simpler, but incompatibility issues may arise between adsorbent and canister materials
Solution Approach 1:
The end cap acts as an intermediary component between the adsorbent cartridge and the canister material. It provides a barrier that prevents direct contact between potentially incompatible materials while still allowing the system to function, thus enabling greater material compatibility and versatility.
3Reliability
If the end cap covers the entire outer surface, then protection and sealing are improved, but gas flow channels may be blocked
Solution Approach 1:
The end cap is designed with differentiated zones: a sealing portion that contacts the canister wall to provide uniform sealing, and a non-blocking configuration that leaves gas flow channels open. This local differentiation of functions allows the end cap to provide reliable sealing without impeding gas flow through the adsorbent cartridge.
4Reliability
If a completely enclosing plastic or metal housing is used, then protection and sealing are improved, but manufacturing cost and bulk increase
Solution Approach 1:
Instead of using a complete enclosing housing, the invention extracts only the essential protective and sealing functions and implements them through a simpler end cap component. This removes unnecessary bulk and manufacturing complexity while maintaining the core benefits of protection and sealing.
Solution Approach 2:
The end cap provides adequate protection and sealing at a lower manufacturing cost compared to complete encasing housings. It offers a cost-effective solution that delivers the necessary reliability without the added bulk and expense of full enclosure structures.
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 enhances mechanical resistance, reduces air bypass, prevents damage, and ensures compatibility, allowing for efficient gas flow and effective contaminant removal while accommodating various canister configurations.
Implementation Method 1
passing exhaled or inhaled gases through a canister filled with a chemical adsorbent
Implementation Method 2
the layers are mechanically spaced to allow gas flow between the layers from one open end face of the cartridge to the other open end face of the cartridge
Data Source
AI summary
This invention relates to an adsorbent cartridge assembly having at least one end cap, and systems related thereto, for removing gaseous contaminants from the air or other gases.