Cylindrical Desktop Computer Layout for Dense Cooling and Service Access

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Solution Overview

Problem

Existing compact computing systems face challenges in achieving high computing power density while maintaining thermal stability and user accessibility, particularly in designs that balance airflow, heat transfer, and expandability.

Innovation Solution

A compact computing system with a cylindrical cross-section, featuring a monolithic aluminum housing for thermal management and structural support, incorporates a rotating and locking memory module mechanism and an efficient thermal management system using air movers and vapor chambers to maintain low operational sound levels and facilitate user servicing.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If components are densely packed to achieve high computing power density, then computational capability per volume is improved, but thermal management becomes more difficult and sound levels increase

Engineering Contradiction:
Improvecomputing power densityVSAvoidthermal stability
Core Design Contradiction:
ProductivityVSTemperature

Solution Approach 1:

The patent employs a cylindrical housing with curved surfaces instead of traditional rectangular forms. This spherical/curved geometry optimizes internal volume utilization and enables more efficient thermal convection patterns, allowing heat to dissipate more effectively from densely packed components while maintaining compact dimensions.

Inventive Principle:
Principle #14Spheroidality (Curvature)

Solution Approach 2:

The patent incorporates air mover assemblies that create controlled airflow through the cylindrical housing. This pneumatic approach actively manages thermal conditions by circulating air to remove heat from high-density computational components, preventing thermal buildup while maintaining compact form factor.

Inventive Principle:
Principle #29Pneumatics and hydraulics

2Productivity

If components are densely packed to achieve high computing power density, then computational capability per volume is improved, but user accessibility for maintenance and expansion deteriorates

Engineering Contradiction:
Improvecomputing power densityVSAvoiduser servicing accessibility
Core Design Contradiction:
ProductivityVSEase of repair

Solution Approach 1:

The patent divides the cylindrical housing into separable sections with access panels that can be removed to expose internal components. This segmentation allows users to access densely packed components for maintenance or expansion without disassembling the entire system, maintaining high density while improving serviceability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent incorporates pre-configured access mechanisms and modular component designs that anticipate future maintenance needs. Components are positioned and secured in ways that facilitate straightforward removal and replacement, preparing the system for user servicing before actual maintenance is required.

Inventive Principle:
Principle #10Preliminary action

3Adaptability or versatility

If expansion capabilities are added to allow customization and upgrades, then adaptability is improved, but device complexity and airflow management become more challenging

Engineering Contradiction:
Improveexpansion capabilityVSAvoidstructural complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent designs the cylindrical housing with universal mounting structures and standardized interfaces that can accommodate various computational components. Expansion slots and mounting points are integrated into the curved surface in ways that maintain structural simplicity while enabling multiple configuration options for customization and upgrades.

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

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 system achieves high computing power density in a compact, lightweight form factor with effective thermal management, maintaining acceptable sound levels and allowing for user-friendly expansion and maintenance.

Implementation Method 1

a monolithic aluminum housing for thermal management

Methodology Applied
Scientific EffectThermal conduction: Conduction (thermal)

Implementation Method 2

an efficient thermal management system using air movers

Methodology Applied
Scientific EffectForced convection: Forced Convection

Implementation Method 3

vapor chambers to maintain low operational sound levels

Methodology Applied
Scientific EffectPhase change: Phase Change

Data Source

PatentUS12321205B2Desktop electronic device
Publication Date: 2025.06.03 APPLE INC
  • US12321205B2 patent drawing
  • US12321205B2 patent drawing
  • US12321205B2 patent drawing

AI summary

An internal component and external interface arrangement for a cylindrical compact computing system is described that includes at least a structural heat sink having triangular shape disposed within a cylindrical volume defined by a cylindrical housing. A computing engine having a generally triangular shape is described having internal components that include a graphics processing unit (GPU) board, a central processing unit (CPU) board, an input/output (V/O) interface board, an interconnect board, and a power supply unit (PSU).