Resistor-Based Electronic Filter Detection for Engine Systems
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Solution Overview
Problem
Existing filter systems lack a reliable method to uniquely identify and verify the installation of genuine filter elements, leading to potential mis-installation and operational issues.
Innovation Solution
Integration of a resistor within the filtration system hardware that communicates a specific voltage signal to the engine control unit (ECU) via electrical connections, allowing the ECU to recognize and verify the presence of a genuine filter element.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If no electronic identification system is implemented, then the filter system remains simple and inexpensive, but the reliability of filter installation verification is poor
Solution Approach 1:
The patent replaces mechanical installation verification methods with an electronic detection system. The ECU uses electrical signals to detect the presence and proper installation of filter elements, replacing manual or mechanical checking procedures with automated electronic verification through voltage signal detection.
Solution Approach 2:
The patent introduces an intermediary electronic detection system between the filter element and the ECU. This intermediary system includes electrical contacts and signal transmission pathways that enable indirect verification of filter installation status through voltage signal measurement, allowing the ECU to confirm proper installation without direct mechanical intervention.
2Adaptability or versatility
If multiple filter elements are supported without unique identification, then the system is more versatile, but mis-installation and operational issues increase
Solution Approach 1:
The patent applies local quality by assigning unique identification characteristics to specific filter elements. Each filter element has distinct electronic identifiers (such as unique resistor values or coded electrical patterns) that enable the ECU to recognize and verify the specific type and proper installation of each filter element, preventing mis-installation while maintaining support for multiple filter types.
3Measurement precision
If electronic detection features are added to filter elements, then installation verification improves, but the manufacturing complexity increases
Solution Approach 1:
The patent merges the electronic detection features directly into the filter element structure itself. The electrical contacts, resistors, and identification components are integrated as part of the filter element assembly, combining multiple functions (filtration, identification, and electrical signaling) into a single unified component that simplifies installation while enabling precise detection.
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
Ensures accurate identification of genuine filter elements, preventing mis-installation and enabling the ECU to detect any issues, such as water presence, thereby ensuring proper engine operation and alerting operators to potential problems.
Implementation Method 1
Integration of a resistor within the filtration system hardware that communicates a specific voltage signal to the engine control unit (ECU) via electrical connections
Data Source
AI summary
An electronic system providing unique identification of a genuine filter system assembly to the engine control unit (“ECU”). A resistor is made to be an integrated part of the filtration system hardware such that when connected through a wired connection, the ECU detects a particular voltage signal and identifies the system as a genuine filter. The resistor could be integrated in any part of the filter system such that it could be used to recognize the filter or the cartridge. The resistor connection could be made via male/female pins, conducting wires, plates, conductive plastic material or other mechanisms.