Fuel System Cover Integrating Leak Sensor for Marine Engine
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Solution Overview
Problem
Current fuel systems for internal combustion engines face challenges with fuel leakage, particularly in marine environments, where existing solutions require additional components or special configurations, and additional fuel leak detection equipment, increasing costs.
Innovation Solution
A fuel system cover is designed to encapsulate external fuel system components, featuring a housing with a chamber that mounts to the cylinder head assembly, incorporating a fuel leak sensor to detect leaks and prevent environmental contamination, while maintaining compatibility with various engine types.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If double wall components are provided for redundant protection, then fuel leak prevention is improved, but device complexity and cost increase
Solution Approach 1:
The patent combines the protective enclosure and fuel system components into a single integrated fuel system cover assembly. The cover houses fuel lines, fittings, and sensors within one encapsulated structure, eliminating the need for separate double-wall components while maintaining leak prevention functionality through the sealed chamber design.
2Reliability
If special configuration requirements are provided for fuel system components, then fuel leak prevention is improved, but adaptability decreases
Solution Approach 1:
The fuel system cover is designed as a universal enclosure that can accommodate various fuel system configurations including different fuel line arrangements, fittings, and sensor types. The standardized cover design with appropriate mounting features allows it to be adapted to multiple engine types and fuel system layouts without requiring specialized components for each application.
3Measurement precision
If fuel leak detection equipment is added, then leak detection capability is improved, but device complexity and cost increase
Solution Approach 1:
The leak detection sensor is integrated directly into the fuel system cover assembly, merging the detection function with the protective enclosure. This integration eliminates the need for separate external detection equipment and complex wiring systems, as the sensor is positioned within the sealed chamber to directly monitor for fuel leaks.
4Reliability
If external fuel system components are enclosed in a cover, then fuel leak prevention is improved, but manufacturing complexity increases
Solution Approach 1:
The fuel system cover assembly is designed as a modular unit that can be manufactured separately and then installed as a complete assembly. The cover, housing, and sensor components are produced as discrete parts that are subsequently assembled, allowing for specialized manufacturing processes for each component while simplifying the overall installation process on the engine.
Data Source
AI summary
A fuel system cover is provided for an internal combustion engine. The fuel system cover is configured to be mounted on the cylinder head assembly to encapsulate a portion of the fuel system to provide leak prevention, mitigation, and detection capabilities.