External Rack Filter for Network Device Air Inlet
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Solution Overview
Problem
Network devices deployed in uncontrolled outdoor environments are prone to damage from dust, moisture, and chemical contaminants due to the lack of effective filtration, leading to frequent failures and significant downtime, as internal filters are insufficient in filtering out these contaminants and are space-constrained.
Innovation Solution
An external rack mount filter system is installed adjacent to the network device, utilizing a high-performance filtration media to filter air entering the device, protecting internal components from dust, moisture, and chemical contamination, and is modular and adjustable to fit various rack configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If internal filters are used in network devices, then air filtration is provided, but the filters are space-constrained and insufficient for filtering dust, moisture, and chemical contaminants in uncontrolled environments
Solution Approach 1:
The patent moves the filter from an internal position within the network device to an external position in the rack mounting structure. This dimensional relocation allows the filter to be positioned in the rack space adjacent to the device air inlet, effectively increasing the available filtration space without occupying internal device volume.
Solution Approach 2:
The filtration function is segmented from the network device itself and placed in a separate external rack-mounted structure. This allows the filtering function to be independently optimized with larger, more effective filtration media while the network device maintains its compact internal design.
2Adaptability or versatility
If network devices are deployed in uncontrolled outdoor environments, then mobility and accessibility are improved, but the devices become exposed to dust, moisture, and chemical contaminants causing frequent failures
Solution Approach 1:
The patent introduces an intermediary filtration system in the form of an external rack-mounted filter that mediates between the uncontrolled outdoor environment and the network device. This intermediary structure provides robust protection against dust, moisture, and chemical contaminants while allowing the device to remain in flexible deployment locations.
3Reliability
If larger high-performance filters are installed externally in the rack, then filtration effectiveness is improved, but the rack space requirements increase
Solution Approach 1:
The patent employs adjustable and reconfigurable filter modules that can be dynamically positioned and sized within the rack structure. The filter assembly includes adjustable mounting mechanisms that allow optimization of filtration performance while adapting to available rack space, enabling high-performance filtration without fixed space requirements.
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 external filter system effectively prevents corrosive failures of electronic components, improves reliability, and allows for higher performance cooling by removing the need for internal filters, enabling network devices to operate reliably in uncontrolled environments without compromising internal component protection.
Implementation Method 1
a filter module for holding a filter for filtering air entering an air inlet of the network device
Data Source
AI summary
In one embodiment, an apparatus includes a frame for mounting in a rack in a position adjacent and external to a network device supported by the rack and a filter module for holding a filter for filtering air entering an air inlet of the network device. The frame includes an opening for receiving the filter module and positions the filter adjacent to the air inlet of the network device when installed on the rack.