Universal DEF Header Adapters for Multi-Tank Compatibility
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Solution Overview
Problem
Existing diesel exhaust fluid (DEF) headers are specific to individual tank structures and lack adaptability, requiring different headers for different DEF reservoirs, which complicates attachment and compatibility.
Innovation Solution
A universal DEF header and adapter assembly that includes a base configuration header with bayonet-style mounting features and interchangeable adapters, allowing attachment to multiple reservoirs using adapters with different interfaces, forming a liquid-tight seal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If different DEF headers are used for different DEF reservoirs, then compatibility with specific tank structures is improved, but device complexity and inventory requirements worsen
Solution Approach 1:
The DEF header system is segmented into two functional components: a universal base header containing the sensor array and fluid transfer components, and separate adapter interfaces that mate with specific tank structures. This segmentation allows the main header to remain standardized while adapters provide structure-specific compatibility, reducing overall system complexity and inventory requirements.
Solution Approach 2:
A universal base header design is created that can interface with multiple different DEF reservoirr structures through the use of various adapters. The base header serves multiple functions (sensor housing, fluid transfer, electrical connections) and can be universally adapted to different tank types, eliminating the need for completely different header designs for each tank structure.
2Device complexity
If a universal DEF header design is used, then device complexity is reduced, but adaptability to different tank structures worsens
Solution Approach 1:
Adapter interfaces serve as intermediary components between the universal base header and structure-specific DEF tanks. These adapters translate between the standardized header interface and various tank connection types, enabling the simple universal header design to adapt to different tank structures without increasing overall system complexity.
3Measurement precision
If multiple sensor strategies are implemented, then measurement precision is improved, but device complexity worsens
Solution Approach 1:
Multiple sensor types (fluid level sensors, temperature sensors, concentration sensors) are merged into a single integrated DEF header assembly. This consolidation allows multiple measurement functions to coexist in one device, improving comprehensive monitoring capability while actually reducing overall system complexity compared to separate sensor installations.
Data Source
AI summary
Disclosed is a diesel exhaust fluid header (DEF) and header adapters. The DEF header may have a base configuration or universal configuration. The header adapters may enable attachment of the base configuration DEF header to various different tanks and tank interfaces. The base configuration DEF header and corresponding header adapters may facilitate attachment of the base configuration DEF header to various different tanks and tank interfaces where each individual tank would usually otherwise require different headers having different attachment mechanisms to accommodate the specific tank structure.