Multi-Drive Chassis Assembly for Dense Storage Integration
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Solution Overview
Problem
Conventional storage systems face challenges in increasing packing density of hard disk drives due to cooling, vibration, and rotational vibration transmissibility issues, leading to larger form factors and reduced serviceability.
Innovation Solution
A chassis assembly that houses multiple multi-drive modules with carrier assemblies for easy removal, providing ventilation, vibration dampening, and tool-less maintenance, along with a cable-less coupling system to manage shock and vibration effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If multiple drives are placed in individual receptacles in a side by side configuration, then each drive has sufficient cooling and vibration isolation, but the overall form factor of the chassis increases significantly
Solution Approach 1:
Multiple drives are nested within a single multi-drive module housing, with drives arranged in a stacked configuration where each drive is contained in its own compartment within the module. This nesting approach allows multiple drives to occupy a smaller overall volume while maintaining individual drive spacing for cooling and vibration isolation.
Solution Approach 2:
The patent transitions from a two-dimensional side-by-side arrangement of individual drive receptacles to a three-dimensional stacked configuration within multi-drive modules. By utilizing the vertical dimension and stacking drives within modules, the chassis achieves higher packing density without compromising cooling or vibration isolation requirements.
2Area of stationary object
If drives are densely integrated in a compact chassis, then the form factor is reduced, but cooling, vibration, and rotational vibration transmissibility issues arise
Solution Approach 1:
The chassis is segmented into multiple independent multi-drive modules, each containing multiple drives in isolated compartments. This segmentation allows each drive to have its own cooling channel and vibration isolation elements, preventing harmful thermal and vibrational interactions while maintaining compact overall dimensions.
Solution Approach 2:
Vibration isolation elements and cooling channels are introduced as intermediary structures between adjacent drives within multi-drive modules. These intermediaries absorb and dampen vibrational energy while directing cooling airflow, thereby reducing harmful thermal and mechanical interactions despite the dense packing configuration.
3Ease of repair
If individual drive receptacles are used, then serviceability is maintained, but the packing density of drives is reduced
Solution Approach 1:
The system is segmented into modular multi-drive units, where each module can be independently removed from the chassis. This modular segmentation enables service personnel to access and replace drives by simply removing the entire module, maintaining ease of serviceability while achieving higher packing density through the multi-drive configuration.
Solution Approach 2:
Multiple drives are merged into a single multi-drive module assembly that functions as one serviceable unit. By combining multiple drives into a removable module, the system achieves compact packing while preserving serviceability, as the entire module can be quickly removed and replaced without accessing individual drives separately.
Data Source
AI summary
The present invention is an apparatus for supporting the dense integration of a plurality of multi-drive modules. A chassis assembly of the present invention may house a plurality of multi-drive modules whereby each multi-drive module may house multiple drives. Each multi-drive module may be easily removed from the chassis for reduced serviceability time. Each drive may be housed within a carrier assembly, the carrier assembly being easily removed from the multi-drive module of the present invention. Advantageously, a dense integration of drives may be achieved while providing proper ventilation and vibration dampening.