Coil-on-plug Ignition Terminal Adaptable Spark Plug Connection
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Solution Overview
Problem
Existing coil-on-plug ignition systems face challenges in securely connecting with spark plugs of various diameters, requiring complex and costly distributor assemblies and limited adaptability.
Innovation Solution
A coil-on-plug ignition terminal with an electrical conductor featuring an overlapped and overlapping member configuration, allowing for secure and adaptable connections with spark plugs of different diameters without the need for a coil spring, facilitating easy manufacturing and installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a tubular element is used to connect the coil assembly to the spark plug, then the electrical connection is established, but the ability to selectively connect with spark plugs of various diameters in a secure manner is restricted
Solution Approach 1:
The tubular element is segmented into multiple sections with different diameters, allowing each section to accommodate spark plugs of specific diameter ranges. This segmentation enables the single terminal to selectively connect with spark plugs of various diameters while maintaining secure electrical connection through the appropriate section.
Solution Approach 2:
The tubular element incorporates a spring mechanism that provides dynamic adaptability. The spring allows the tubular element to expand or contract, enabling it to securely accommodate spark plugs of different diameters by adjusting its internal dimensions, thus maintaining reliable electrical connection across various spark plug sizes.
2Ease of operation
If a distributor assembly is used to direct high voltage output to separate spark plugs, then the sparking position can be controlled, but the device complexity increases
Solution Approach 1:
The distributor assembly is designed with universal adaptability to work with multiple ignition coil configurations. It can accommodate both traditional single-coil-distributor systems and modern coil-on-plug systems through its modular design, allowing the same distributor to function across different engine configurations without requiring additional components.
Solution Approach 2:
The distributor assembly is pre-configured with adjustable timing mechanisms and pre-positioned contact points that allow for preliminary setup and calibration. This preliminary action enables the distributor to maintain controlled sparking positions across various engine types and configurations without requiring complex real-time adjustments during operation.
Data Source
AI summary
The invention in one form is directed to an ignition terminal for coupling an internal combustion engine coil-on-plug ignition coil assembly with a spark plug. The ignition terminal includes an electrical conductor defining a bore therethrough and includes a first end. The first end includes an overlapped member and an overlapping member at least partially overlapping the overlapped member, the overlapped and overlapping members being configured for coupling the first end with the spark plug using the bore. The overlapped and overlapping members are monolithic relative to one another.