Segmented Sealing Arrangement for Large Battery Box Gaskets
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Solution Overview
Problem
Existing seal arrangements, such as carrier or metal-elastomer gaskets, face challenges in producing gaskets for large applications like battery boxes in electric vehicles due to size limitations of current injection molding tools and machines.
Innovation Solution
A modular seal arrangement comprising multiple interconnected sealing element components with base body parts and resilient sealing body parts, allowing for a puzzle-like or form-fitting connection to form a closed annular shape, enabling production in smaller tools and machines.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a single large sealing element is produced using conventional injection molding, then reliable sealing is achieved, but the size of injection molding tools and machines must be increased
Solution Approach 1:
The sealing element is divided into multiple smaller sealing element components (first sealing element component, second sealing element component, etc.) that can be produced separately using conventional-sized injection molding tools and machines, then assembled together to form the complete sealing element for large applications like battery boxes
2Ease of manufacture
If multiple sealing element components are used to form a large sealing element, then production cost is reduced, but the complexity of assembly increases
Solution Approach 1:
Multiple sealing element components are assembled together to form a complete sealing element that provides the same sealing function as a single large component would, thereby enabling production using conventional tools while maintaining sealing effectiveness for large applications
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
Enables the production of seal arrangements for large applications like battery boxes in a cost-effective and simple manner, providing reliable sealing between fluid spaces while reducing the number of components and production costs.
Implementation Method 1
The resilient sealing body parts can in particular be injection molded onto the base body parts
Implementation Method 2
the sealing element components rest against one another at least in part, preferably with abutment, in a circumferential direction
Data Source
AI summary
In order to provide a seal arrangement, in particular for sealing a first fluid space from a second fluid space or a plurality of fluid spaces, which on the one hand can be produced in a simple and cost-effective manner and also allows reliable sealing of a first fluid space from a second fluid space, it is proposed that the seal arrangement comprises the following: A sealing element for arrangement between a first object and a second object, the sealing element comprising two or more sealing element components which can be or are connected directly or indirectly to one another and which each comprise a base body part and a resilient sealing body part arranged on the base body part, the base body parts of the sealing element components preferably forming a dimensionally stable base body of the sealing element, and the resilient sealing body parts of the sealing element components forming a resilient sealing body for providing a sealing function of the sealing element.