Cooling Fluid Reservoir Layout for Laptop Stability and Heat Dissipation
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Solution Overview
Problem
Portable information handling systems with thin, low-weight housings face stability issues due to a high center of gravity, which can lead to tipping and inadequate thermal management in low-profile designs.
Innovation Solution
A system that adjusts the center of gravity by moving a cooling fluid between reservoirs in the housing portions using a pump and conduit, based on sensed orientation, to enhance stability and thermal management, with integrated cooling fluid reservoirs and conduits for efficient thermal energy dissipation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If a thin, low-weight housing is used to minimize footprint and weight, then system portability is improved, but housing stability deteriorates due to high center of gravity
Solution Approach 1:
The patent applies dynamics by making the weight distribution adjustable rather than fixed. A pump system dynamically relocates cooling fluid between reservoirs in different housing portions based on the detected orientation, allowing the center of gravity to adapt in real-time. This dynamic adjustment resolves the stability issue without adding permanent weight, maintaining portability while ensuring stability when the system is stationary.
Solution Approach 2:
The patent changes the parameter of weight distribution by relocating the cooling fluid between reservoirs. By controlling the position of the cooling fluid through the pump system, the center of gravity parameter is adjusted based on orientation detection, transforming a static weight distribution into a controllable variable that optimizes stability for different operational states.
2Temperature
If cooling fluid is added to improve thermal management, then thermal energy dissipation is improved, but housing weight increases affecting stability
Solution Approach 1:
The system dynamically controls the distribution of cooling fluid between reservoirs based on detected orientation. When the housing is in a stable orientation, the cooling fluid is positioned to optimize thermal contact with processing components. When orientation changes, the pump relocates the fluid to maintain both thermal efficiency and stability, making the thermal management system adaptive rather than static.
Solution Approach 2:
The cooling fluid serves multiple functions: it provides thermal management by absorbing heat from processing components, and it acts as a movable weight to adjust the center of gravity for stability. This multi-functionality resolves the contradiction by using the same substance (cooling fluid) to achieve both thermal control and stability without requiring separate systems.
3Temperature
If cooling fluid reservoirs are integrated in housing portions, then thermal management efficiency is improved, but device complexity increases
Solution Approach 1:
The patent merges the thermal management function with the stability control function into a single integrated system. The cooling fluid reservoirs are integrated into the housing portions, and the same pump that circulates cooling fluid for thermal management also controls the weight distribution for stability. This consolidation reduces overall system complexity by combining multiple functions into unified components.
Solution Approach 2:
The integrated reservoirs and pump system serve dual purposes: thermal energy dissipation and center of gravity control. By designing the cooling fluid system to perform both functions simultaneously, the patent avoids the complexity of separate systems for thermal management and stability control, achieving efficiency without proportional complexity increase.
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 enhanced stability and effective thermal management by shifting weight distribution, maintaining system balance and dissipating thermal energy across the housing surface, even in clamshell positions.
Implementation Method 1
A thermal interface, such as a heat sink, couples to a processing component to aid in transfer of thermal energy from the processing component to a cooling fluid
Implementation Method 2
A pump interfaced with the conduit moves cooling fluid to the first or second cooling fluid reservoirs based upon a sensed housing orientation to adjust the housing center of gravity
Data Source
AI summary
A portable information handling system supports processing components in a housing having first and second portions rotationally coupled by a hinge to move between closed and clamshell positions. Each housing portion includes a cooling fluid reservoir that stores cooling fluid for transfer of thermal energy from a processing component. Cooling fluid moves between the first and second housing portion cooling fluid reservoirs to provide a balanced weight distribution for the information handling system based upon the position of the housing portions, such as to increase the weight of a base portion of the housing resting on a support surface while decreasing the weight of an opposing lid portion.