Electrical Feedthrough Raised-Edge Structure for Simpler Sealed Assembly
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Solution Overview
Problem
Existing electrical feedthroughs require complex multi-stage drawing processes and additional material to achieve mechanical stability, which complicates manufacturing and increases material usage.
Innovation Solution
A base body with a reinforcing structure featuring a raised edge region offset vertically from the base plane, achieved through shear forming, which enhances mechanical stability without additional material, allowing for simpler production and improved flexural stiffness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a multi-stage drawing process is used to create frame-like or beam-like extension portions, then mechanical stability is improved, but manufacturing complexity increases and material usage increases
Solution Approach 1:
The patent applies dimensionality change by transitioning from a 2D plate-shaped base body to a 3D structure with raised edge regions. The reinforcing structure is created by vertically displacing material to form raised edges that extend upward from the base plane, adding a third dimension (height) to provide mechanical reinforcement without requiring complex multi-stage drawing processes. This vertical displacement transforms the flat structure into a three-dimensional form with enhanced stiffness and strength.
2Strength
If additional material is used to create reinforcing structures, then mechanical stability is improved, but material usage increases
Solution Approach 1:
The patent applies parameter changes by modifying the geometric parameters of the base body through vertical displacement to create raised edge regions. Instead of adding material, the process redistributes existing material vertically, changing the height parameter locally while maintaining constant material thickness. This creates reinforcing structures that improve mechanical stability without increasing the quantity of material used, as the raised edges are formed by displacing material from the same blank.
3Ease of manufacture
If a plate-shaped base body is used without reinforcing structures, then manufacturing is simpler, but mechanical stability deteriorates
Solution Approach 1:
The patent applies segmentation by dividing the base body into distinct functional regions: a base plane and raised edge regions. The raising process segments the material distribution, creating differentiated zones where the raised edges provide reinforcement while the base plane maintains its simple geometry. This segmentation allows the structure to combine manufacturing simplicity with enhanced mechanical stability, as the raising process can be performed in a single stage rather than requiring multiple complex drawing operations.
4Quantity of substance
If the base body is made thinner to reduce material usage, then material usage decreases, but flexural stiffness deteriorates
Solution Approach 1:
The patent applies dimensionality change by creating raised edge regions that extend vertically from the base plane, effectively adding height to critical areas of the base body. This vertical dimension increases the moment of inertia and flexural stiffness without increasing the overall footprint or material thickness of the base body. The raised edges act as structural reinforcements that provide the necessary stiffness while maintaining a thin overall profile, thus resolving the contradiction between material usage and flexural stiffness.
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 solution provides enhanced mechanical stability and rigidity with reduced material usage, facilitating easier installation and maintaining a hermetic seal while reducing manufacturing complexity.
Implementation Method 1
The raising process, in particular by shear forming, results in a vertical displacement of material
Data Source
AI summary
An electrical feedthrough is provided, including a base body having at least one opening , through which an electrical conductor is fed and is held in the opening by a fixing material , wherein the fixing material seals the opening and wherein the base body has an elongated form and has a reinforcing structure at least on the edges of the long sides. The reinforcing structure is designed as a raised edge region, which is offset vertically with respect to a base plane of the base body .