Fan Housing Moveable Member for IHS Cooling
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Solution Overview
Problem
Existing information handling system (IHS) chassis face challenges in cooling heat-producing components, such as Fully Buffered Dual Inline Memory Modules (FBDIMMs), due to limited fan positioning and the wear-out of hinged air baffles leading to suboptimal airflow and increased manufacturing costs.
Innovation Solution
A fan housing apparatus with a shroud and a moveable housing member that allows for easy access and secure attachment to the chassis without tools, enabling efficient airflow and cooling of heat-producing components by positioning fans effectively within the constrained space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If hinged air baffles are used to direct air towards heat producing components, then airflow direction is improved, but the hinged parts wear out and result in losses in airflow and less cooling
Solution Approach 1:
The patent removes the hinged air baffle component entirely from the system. Instead of using a hinged baffle to direct airflow, the design uses fixed shrouds and housings that are integrated into the chassis structure, eliminating the wear-prone hinged mechanism while maintaining airflow direction control through the overall housing geometry.
Solution Approach 2:
The cooling system is divided into separate modular components: fans are housed in fixed housings that are distinct from the main chassis structure. These modular housings can be independently positioned and secured, allowing airflow management without requiring moving hinged parts.
2Stability of the object's composition
If rigid attachment methods are used to attach fans to the chassis, then structural stability is improved, but tools are required which increases manufacturing times and costs
Solution Approach 1:
The fan housing and shroud components are designed with self-aligning features and snap-fit or friction-fit interfaces that allow workers to attach fans by hand without requiring additional tools. The housing member includes features like ribs, slots, or elastic elements that automatically position and secure the fan assembly during manual installation.
3Volume of moving object
If the IHS chassis is made as small as possible, then compactness is improved, but fan positioning options are limited
Solution Approach 1:
The patent utilizes the vertical dimension and three-dimensional space within the compact chassis by employing shrouds and housings that extend in multiple directions. Fans are positioned in available vertical and lateral spaces, and airflow passages are routed through the depth of the chassis, effectively using all three dimensions to accommodate cooling components in a minimized footprint.
4Power
If additional fans are added to meet cooling requirements, then cooling capacity is improved, but the positioning options are limited due to chassis size
Solution Approach 1:
The shroud and housing structures are designed as multi-functional components that serve both structural and airflow management functions. The same housing that protects the fan also defines the airflow passage, directs air to heat-producing components, and provides mounting integration with the chassis, allowing multiple fans to be positioned effectively within constrained space.
Data Source
AI summary
A fan housing includes a shroud defining an air passageway. A housing member is located adjacent the air passageway and moveably coupled to the shroud such that the housing member is moveable relative to the shroud between an operating position and a service position. A fan housing is defined by the housing member, whereby the fan housing is inaccessible when the housing member is in the operating position and the fan housing is accessible when the housing member is in the service position. The shroud and housing member may be coupled to an information handling system chassis and adjacent a heat producing component. A fan may then be positioned in the fan housing when the housing member is in the service position. The housing member is then moved to the operating position and the fan is operated in order to cool the heat producing component.