Retractable Fan Handle for Safe Removal in Compact Systems
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Solution Overview
Problem
Cooling fans in computing systems are difficult to remove due to their close proximity to hot computing components, posing a risk of burn injuries and requiring cumbersome grasping techniques.
Innovation Solution
A retrofittable fan handle that transitions between extended and retracted configurations, allowing easy grasping and removal without contacting hot components, and fits within the tight spaces of the computing system without modifying existing fans or systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If cooling fans are installed in close proximity to computing components for compact design, then space utilization is improved, but ease of removal deteriorates due to difficulty in grasping
Solution Approach 1:
A handle is introduced as an intermediary tool between the user and the cooling fan. The handle extends from the fan housing, providing a grasping surface that is accessible to users even when the fan is positioned close to computing components. This mediator enables easy removal without requiring the user to directly grasp the fan blades or housing in the tight space.
2Volume of moving object
If cooling fans are positioned close to computing components for compact layout, then space utilization is improved, but safety deteriorates due to risk of burn injuries
Solution Approach 1:
The handle serves as a protective intermediary that allows users to interact with the fan assembly without direct contact with the hot computing components. By providing a remote grasping point, the handle creates physical separation between the user's hand and the heat-generating components, thereby reducing burn injury risk while maintaining compact positioning.
3Ease of operation
If a handle is added to the fan for easy grasping, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The fan assembly is segmented into the original fan housing/blades and the add-on handle component. This segmentation allows the handle to be implemented as a separate, modular element that can be attached without redesigning the entire fan assembly, thereby improving ease of operation while minimizing the increase in overall device complexity.
Data Source
AI summary
A fan handle is operable to be coupled to a fan. The fan handle includes a first sheet and a second sheet. The first sheet has first apertures operable to receive fasteners to couple a fan guard with a first side of the fan. The first sheet forms a slot. The second sheet has second apertures operable to receive fasteners to couple a fan guard with a second side of the fan. The second sheet forms shoulders from which an extension portion extends. The extension portion is received in the slot of the first sheet. In a retracted configuration, the first sheet and the second sheet are substantially flush such that the shoulders abut against the first sheet. In an extended configuration, the extension portion is partially withdrawn from the slot such that the first sheet and the second sheet are curved and coupled with one another.