Weld Heat Dissipation Protrusion Structure
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Welds between components of different sizes or masses experience uneven thermal energy dissipation, leading to stress and potential failure due to differential cooling rates, which can cause fatigue and crack propagation over time.
Innovation Solution
A structure that includes a protrusion thermally coupled to a first component, allowing the first component and the protrusion to dissipate thermal energy at an equivalent rate to a second component, thereby matching the heat dissipation rates and reducing stress on the weld.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If welding is performed between components of different masses, then the weld connects the components, but uneven thermal energy dissipation causes stress and potential weld failure
Solution Approach 1:
The patent applies local quality by adding a thermal mass specifically to one component (the smaller component with lower heat capacity) to create localized thermal balance. This modifies the thermal properties of only the component that needs it, allowing equivalent heat dissipation rates without changing the entire system or requiring both components to be identical in size.
Solution Approach 2:
The patent changes the thermal parameter (heat capacity) of one component by adding thermal mass to achieve equivalent heat dissipation rates. This parameter modification allows the welding process to proceed without creating harmful thermal gradients, thereby preventing weld stress and improving reliability while maintaining the structural integrity needed for strength.
2Reliability
If thermal mass is added to balance heat dissipation, then weld reliability improves, but device complexity increases
Solution Approach 1:
Instead of modifying both components or creating a complex active thermal management system, the patent applies local quality by adding thermal mass to only the smaller component. This localized modification achieves the desired thermal balance with minimal structural changes, avoiding the need for complex active control systems or modifications to both components.
Solution Approach 2:
The added thermal mass acts as an intermediary element that mediates the thermal interaction between the two components during welding. This simple passive thermal mass serves as a buffer to equalize heat dissipation rates without requiring complex active control mechanisms, thereby improving reliability while maintaining structural simplicity.
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 ensures a controlled cooling environment for the weld, resulting in a stronger and more durable connection that maintains equivalent temperatures between the components, reducing the likelihood of weld failure due to fatigue crack growth.
Implementation Method 1
The first component in combination with the protrusion dissipates the thermal energy from the welding process at about an equivalent rate as the second component
Data Source
AI summary
Systems and method for controlling the flow and dissipation of thermal energy away from a weld between two components are provided. In one example embodiment, a structure may comprise a protrusion; a first component thermally coupled to the protrusion; a second component having a lower heat dissipation rate than the first component; a weld formed using a welding process to couple the protrusion to the second component, wherein the welding process generates thermal energy; and wherein the first component in combination with the protrusion dissipates the thermal energy from the welding process at about an equivalent rate as the second component.