Diagonal Hard Drive Shielding with Elastomeric Damping

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Electronic devices face challenges in managing heat dissipation, protecting sensitive components from impact, and integrating input-output connectors efficiently, especially in compact designs where electromagnetic interference and aesthetics are concerns.

Innovation Solution

The design incorporates a diagonally mounted hard disk drive with electromagnetic interference shielding, conductive elastomeric structures, angled connectors, and a fan-based cooling system, along with a housing support structure featuring angled air vents and elastomeric feet to enhance heat management and protection.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Volume of moving object

If a hard disk drive is mounted diagonally in a compact housing, then space utilization is improved, but the drive becomes more susceptible to damage from impact events

Engineering Contradiction:
Improvespace utilizationVSAvoidimpact resistance
Core Design Contradiction:
Volume of moving objectVSReliability

Solution Approach 1:

Conductive elastomeric structures are positioned between the hard disk drive and the housing to cushion the drive against impact events before damage occurs. These structures absorb shock and protect the drive during tipping or dropping events.

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

Solution Approach 2:

The shielding structure combines metal bracket (for EMI shielding and structural support) with conductive elastomeric materials (for vibration reduction and impact protection). This composite approach provides both EMI shielding and mechanical protection simultaneously.

Inventive Principle:
Principle #40Composite materials

2Object-affected harmful factors

If electromagnetic interference shielding structures are added to protect the hard disk drive, then EMI protection is improved, but device complexity increases

Engineering Contradiction:
ImproveEMI protectionVSAvoidshielding structure complexity
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The EMI shielding structure is merged with the mechanical mounting structure. The metal bracket serves dual purposes: providing EMI shielding and serving as the structural framework for mounting the hard disk drive. This eliminates the need for separate shielding components.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The conductive elastomeric structures serve multiple functions simultaneously: they provide EMI shielding, reduce vibrations, and cushion against impact events. This multi-functionality reduces the need for additional specialized components.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Shape

If connectors are integrated into the housing surface for a flush appearance, then aesthetics are improved, but connector integration becomes more difficult

Engineering Contradiction:
Improveaesthetic appearanceVSAvoidconnector integration
Core Design Contradiction:
ShapeVSEase of manufacture

Solution Approach 1:

The connectors are nested within recesses in the housing, with the retention member positioned behind the connector. This allows the connector surface to be flush with the housing exterior while providing space for mounting and retention mechanisms.

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

The connector mounting system is segmented into separate components: the connector itself, the retention member, and the housing recess. This segmentation allows each component to be optimized independently while achieving the overall flush mounting goal.

Inventive Principle:
Principle #1Segmentation

4Temperature

If heat sink structures and fans are added to improve heat dissipation, then thermal management is improved, but device complexity increases

Engineering Contradiction:
Improveheat dissipationVSAvoidcooling system complexity
Core Design Contradiction:
TemperatureVSDevice complexity

Solution Approach 1:

The cooling system components (heat sinks, fans, air vents) are merged with the housing structure. Air vents are integrated into the housing walls, and the housing itself serves as a thermal pathway, reducing the need for separate cooling components.

Inventive Principle:
Principle #5Merging (Combining)

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

This configuration effectively reduces the risk of damage from impacts, minimizes electromagnetic interference, and ensures efficient heat dissipation and connector integration, while maintaining a compact and aesthetically pleasing form factor.

Implementation Method 1

Conductive elastomeric structures in the shielding structures may reduce vibrations and protect the drive during impact events

Methodology Applied
Scientific EffectVibration damping: Damping

Implementation Method 2

Conductive elastomeric structures in the shielding structures may reduce vibrations and protect the drive during impact events

Methodology Applied
Scientific EffectElasticity: Elasticity

Implementation Method 3

A fan may cause air to flow upwards on one side of the device and downwards on the other side of the device. The printed circuit board may have components and heat sink structures that are cooled by vertically flowing air

Methodology Applied
Scientific EffectForced convection: Forced Convection

Implementation Method 4

End shields formed from curved sheet metal may mate with rounded ends in the conductive elastomeric structures and may be joined to vertically extending edges in the metal bracket using conductive gaskets

Methodology Applied
Scientific EffectElectromagnetic shielding: Faraday Cage

Data Source

PatentUS9408334B2Electronic device with component shielding structures and input-output connectors
Publication Date: 2016.08.02 APPLE INC
  • US9408334B2 patent drawing
  • US9408334B2 patent drawing
  • US9408334B2 patent drawing

AI summary

An electronic device may have a hard disk drive mounted diagonally within a housing. Electromagnetic interference shielding structures may enclose the hard disk drive. The shielding structures may include conductive elastomeric structures. A printed circuit board may be mounted diagonally in parallel with the hard disk drive. Connectors on the printed circuit board may be angled away from the printed circuit board at a non-zero angle and may be retained against the housing with a slide and lock connector retention member. An accelerometer may detect when the device is tipped over so that control circuitry may protect the hard disk drive. A fan may cause air to flow upwards on one side of the device and downwards on the other side of the device. The housing may rest on housing support structures with angled air vents and integral elastomeric feet.