Integrated Diesel Fuel Filter Sensor Unit
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Solution Overview
Problem
Modern diesel engines require multiple individual devices for measuring parameters like fuel temperature and water presence, leading to complex and time-consuming installation processes with potential for connection errors and the use of low-quality disposable components.
Innovation Solution
A filter unit with a combined device housed within a cup-shaped casing, featuring a toroidal filtering baffle and a removable shaft-like sensor device that includes temperature measurement, fuel heating, and water sensing capabilities, integrated with an electronic control card for easy installation and improved component quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple individual devices are used for measuring parameters (temperature, water presence), then measurement capability is improved, but device complexity and installation time increase
Solution Approach 1:
The patent combines multiple individual measurement devices (temperature sensor, water presence sensor) into a single integrated sensor device that houses all sensing elements within one unified structure, thereby reducing the number of separate components while maintaining full measurement capability
Solution Approach 2:
The integrated sensor device performs multiple measurement functions simultaneously (temperature measurement, water presence detection) through a single multi-functional component, eliminating the need for separate dedicated devices for each parameter
2Measurement precision
If multiple individual devices are used for measuring parameters, then measurement capability is improved, but installation time increases
Solution Approach 1:
By merging all sensor components into one integrated device, the installation process requires only a single removal and insertion operation rather than handling multiple separate sensors, thereby dramatically reducing installation time
Solution Approach 2:
The sensor device is pre-assembled with all necessary sensing elements (temperature sensor, water presence sensor) integrated before delivery, so that during filter replacement, the entire sensor assembly is installed as a single unit without requiring on-site assembly or connection of multiple components
3Ease of manufacture
If disposable low-quality sensor elements are used, then cost is reduced, but reliability decreases
Solution Approach 1:
The integrated sensor device allows for the use of higher-quality sensor elements that can be permanently installed, as the single-device structure eliminates the need for frequent replacement and connection/disconnection cycles that compromise reliability
Solution Approach 2:
The patent employs sensor elements with quality exceeding the minimum requirement (excessive action), using durable, high-precision sensors that are designed for long-term reliable operation rather than disposable low-quality components
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
Facilitates quick and error-free replacement of the filter unit with integrated sensors, reducing installation time and costs while ensuring better quality components are used, eliminating the need for separate sensor components.
Implementation Method 1
a fuel heating device
Implementation Method 2
a filtering baffle which divides the interior of the casing substantially into two separate chambers
Data Source
AI summary
For diesel internal combustion engines, an improved filter unit comprising an outer casing the interior of which is separated by a filtering baffle into two separate chambers to which a fuel inlet conduit and a fuel outlet conduit are connected respectively, with said casing there being associated a device provided with sensors for measuring certain characteristic parameters for correct engine operation.