Telescoping Air Dam for Server Card Riser Cooling
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Solution Overview
Problem
Cooling packages for systems with multiple card configurations face challenges in addressing different card needs due to high tooling costs and complexity in creating individual air blockers for various card layouts, particularly with combinations of half-height and full-height cards.
Innovation Solution
A telescoping air dam with multiple tiers that can be reconfigured to adapt to different card combinations by extending or compressing to fill vacancies in the chassis, using spring-biased mechanisms and latches to adjust its height and configuration, allowing it to work with both half-height and full-height cards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If individual air blockers are created for each card layout, then the cooling performance is optimized for specific configurations, but the tooling costs and device complexity increase significantly
Solution Approach 1:
The air blocker is designed with telescoping sections that can dynamically adjust their length to match different card configurations. The blocker transitions from a static component to a dynamic one that can be reconfigured, allowing a single design to serve multiple cooling scenarios without requiring multiple specialized parts.
Solution Approach 2:
The adjustable air blocker is designed to perform multiple functions across different card layouts. By incorporating telescoping sections with latches and springs, a single universal blocker can adapt to various half-height and full-height card combinations, replacing the need for multiple configuration-specific blockers.
2Reliability
If multiple air blockers are stocked for different card configurations, then the cooling needs are addressed, but the inventory costs and manufacturing complexity increase
Solution Approach 1:
The air blocker incorporates telescoping sections with latches and springs that enable a single universal component to serve multiple card configurations. This eliminates the need to manufacture and stock multiple configuration-specific blockers, simplifying the manufacturing process and reducing inventory requirements.
3Ease of manufacture
If a fixed air blocker is used, then the manufacturing is simple, but the adaptability to different card configurations is limited
Solution Approach 1:
The air blocker transitions from a fixed, static design to a dynamic telescoping structure with sections that can extend and retract. Latches and springs enable easy adjustment of the blocker's length to match different card heights and configurations, maintaining manufacturing simplicity while dramatically improving adaptability.
Solution Approach 2:
The air blocker is divided into multiple telescoping sections that can independently adjust their length. This segmentation allows each section to be optimized for different card configurations while maintaining overall structural integrity and ease of manufacture.
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 telescoping air dam effectively blocks airflow bypasses, improving cooling efficiency by redirecting air flow over all cards, reducing the need for multiple air blockers and enabling easy upgrades and adjustments without removing the air dam from the card riser cage.
Implementation Method 1
using spring-biased mechanisms and latches to adjust its height and configuration
Data Source
AI summary
An apparatus and method are provided to facilitate the cooling of different configurations of cards within a chassis, e.g., a card riser cage. Embodiments disclose telescoping air dams that may be reconfigured to adapt to different combinations of half height and full height cards to fill vacancies in the chassis, hindering the flow of air through those vacancies, thereby redirecting the flow elsewhere and improving the cooling of the cards. By being reconfigurable, embodiments improve the ease that card cages may be reconfigured by reducing the number of parts necessary for such reconfigurations.