Dynamic Heat Pipe Active-Region Control for Variable Processor Loads

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Existing heat pipes are not designed to dynamically modulate heat transfer capabilities to accommodate varying power demands of modern processors, leading to sub-optimal performance across different workload conditions.

Innovation Solution

A heat pipe system with dynamically positionable components, such as a hollow sleeve or valve, within the chamber to adjust the active heat transfer region, allowing for real-time modulation of heat transfer based on workload shifts.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If heat pipes are sealed at manufacturing with fixed heat transfer paths, then manufacturing simplicity is maintained, but adaptability to varying power demands is reduced

Engineering Contradiction:

Improveadaptability to varying power demandsVSAvoidheat pipe structure complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent applies the dynamics principle by introducing movable vapor blocking devices within the heat pipe chamber that can dynamically reposition to modulate heat transfer. The vapor blocking device is configured to move between different positions to adjust the active heat transfer region of the condenser portion, enabling the heat pipe to adapt to varying power demands of processors while maintaining a relatively simple sealed structure.

Inventive Principle:

Principle #15Dynamics

2Productivity

If the active heat transfer region is dynamically modified, then heat transfer efficiency is enhanced, but device complexity increases

Engineering Contradiction:

Improveheat transfer efficiencyVSAvoidheat pipe system complexity

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The patent applies parameter changes by modifying the physical state and position of vapor blocking devices within the heat pipe chamber. By changing the position parameter of these devices, the active heat transfer region of the condenser portion is dynamically adjusted, thereby optimizing heat transfer efficiency under different operating conditions without requiring complete redesign of the heat pipe system.

Inventive Principle:

Principle #35Parameter changes

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

Enhances heat transfer efficiency by dynamically directing heat to the most appropriate sections of heat fins, improving cooling performance across varying power outputs.

Implementation Method 1

Many of these known processors use one or more heat pipes affixed to the external surfaces of the processors as the heat sinks to remove the generated heat

Methodology Applied

Scientific EffectHeat pipe: Heat Pipe

Implementation Method 2

transferring at least a portion of the heat to at least a portion of a volatile fluid within one or more heat pipes

Methodology Applied

Scientific EffectPhase change: Phase Change

Implementation Method 3

Each heat pipe of the one or more heat pipes includes an outer shell and a wick structure coupled to the outer shell

Methodology Applied

Scientific EffectCapillary action: Capillary Action

Data Source

PatentUS12455122B2Dynamically enhancing heat transfer through heat pipes

Publication Date: 2025.10.28 INTERNATIONAL BUSINESS MACHINE CORPORATION

AI summary

A heat pipe system, method, and heat sink system to enhance heat transfer from a heat-generating component. The method includes generating heat with the heat-generating component. The method also includes transferring at least a portion of the heat to at least a portion of a volatile fluid within one or more heat pipes. The method further includes modifying, dynamically, an active heat transfer region of the one or more heat pipes, thereby dynamically modulating heat transfer from the heat-generating component through the one or more heat pipes.