Microfluidic Bladder Port Seal for Contaminant Protection
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Solution Overview
Problem
Information handling systems face challenges in protecting against data loss and contaminant damage, particularly in portable systems where size constraints limit effective sealing and security measures.
Innovation Solution
A microfluidic reservoir interfaces with microfluidic bladders to selectively inflate and deflate, providing sealing and security by manipulating physical components, such as disconnecting connectors or destroying sensitive data in case of threats, while maintaining a minimal structural presence.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If traditional sealing structures are used in portable information handling systems, then protection against contaminants is improved, but device size and volume increase
Solution Approach 1:
The patent employs a microfluidic bladder that inflates with fluid to seal the port opening. This pneumatic/hydraulic approach allows the seal to expand only when needed, maintaining a compact form factor when deflated while providing effective contamination protection when inflated.
Solution Approach 2:
The sealing structure transitions from a static traditional seal to a dynamic inflatable bladder. The bladder can inflate to seal the port when contaminants are detected or threats are identified, and deflate to minimize volume impact, providing adaptive protection based on operational conditions.
2Reliability
If security measures such as physical disconnection of connectors are implemented, then data security is improved, but device complexity increases
Solution Approach 1:
The microfluidic bladder serves multiple functions: it seals the port opening to prevent contaminant ingress, physically disconnects connectors for security, and can manipulate other physical components. This multi-functionality reduces overall system complexity by consolidating multiple security and protection mechanisms into a single device.
Solution Approach 2:
The bladder acts as an intermediary mechanism between the detection system and the physical components. Instead of directly implementing complex disconnection mechanisms, the system uses the simple inflatable bladder as a mediator to achieve physical disconnection and protection, simplifying the overall control architecture.
3Reliability
If port sealing is implemented to prevent fluid damage, then reliability is improved, but manufacturing complexity increases
Solution Approach 1:
The patent uses a thin-walled inflatable bladder as the sealing structure. These flexible membranes are relatively simple to manufacture using standard microfluidic and molding techniques, avoiding the need for complex rigid sealing mechanisms while providing effective fluid damage protection.
4Volume of moving object
If minimal hardware components are selected for portable systems, then device size is reduced, but protection capability against contaminants is worsened
Solution Approach 1:
The microfluidic bladder is integrated within the existing port structure of the information handling system. The bladder nests within the port opening, utilizing the existing structural space without requiring additional external volume, thus maintaining compact device size while providing contamination protection.
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 solution effectively seals against water and contaminants with minimal size impact, enhancing security by physically disconnecting or destroying sensitive components, thus protecting data and preventing unauthorized access.
Implementation Method 1
A microfluidic reservoir interfaces with one or more microfluidic bladders through communication channels and selectively inflates and deflates the one or more microfluidic bladders
Data Source
AI summary
An information handling system opening, such as at a cable port, selectively closes and opens through inflation and deflation of a seal, such as an expanding balloon structure interfaced with a microfluidic reservoir. The seal fills the opening to block contaminants from entering the information handling system and deflates to provide room for cables to pass when desired. Automated sealing of a port is provided in response to detection of contaminants, such as liquids or dust.