Fuel Injector Adapter Mounting System for Cylinder Liners
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing fuel injector mounting systems face challenges in securely retaining fuel injectors to engine cylinder liners while ensuring proper fuel supply and control connections, particularly in applications where injectors need to be positioned for efficient fuel injection into air inlet ports or combustion chambers.
Innovation Solution
A fuel injector mounting system comprising an injector adapter with a threaded adapter body, concentric bores for secure injector placement, a flange and retaining collar for retention, and an annular fitting for collecting and redirecting any fuel leakage, along with an injector support bracket for additional stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a fuel injector is mounted directly to a cylinder liner, then the mounting structure is simple, but the injector retention and vibration damping are insufficient
Solution Approach 1:
An adapter is introduced as an intermediary component between the fuel injector and the cylinder liner. The adapter includes a body with external threads that engage with the cylinder liner and internal threads that receive the fuel injector, providing a secure mechanical connection that improves retention while isolating the injector from direct mounting to the liner.
Solution Approach 2:
The fuel injector is nested within the adapter body, with the injector positioned inside the adapter's internal thread structure. This nested arrangement allows the adapter to encapsulate and secure the injector, providing both retention and vibration damping through the adapter's mass and structural compliance.
2Device complexity
If fuel leakage is not managed, then the system is simpler, but fuel waste and environmental contamination increase
Solution Approach 1:
Excess fuel that leaks from the injector is extracted and diverted away from the engine components. The adapter includes a port that receives leaked fuel and directs it to an external destination, preventing contamination and waste while maintaining a relatively simple integrated structure.
Solution Approach 2:
The fuel leakage, which would normally be a harmful waste stream, is converted into a controllable flow that can be directed to a useful destination. The adapter's port system captures the leaked fuel and redirects it, transforming a problematic byproduct into a manageable resource that can be recovered or properly disposed of.
3Productivity
If the injector is positioned for optimal fuel injection, then injection efficiency is improved, but mounting precision and alignment requirements increase
Solution Approach 1:
The adapter serves multiple functions: it provides mechanical retention through external and internal threads, positions the injector at the correct location and orientation, dampens vibrations, and manages fuel leakage. This multi-functional design allows optimal injector positioning without requiring high precision in the mounting process itself, as the adapter accommodates and corrects alignment variations.
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
The system effectively secures fuel injectors to engine cylinder liners, maintains proper fuel flow, and manages leakage, enhancing operational stability and efficiency by dampening vibrations and ensuring reliable fuel injection.
Implementation Method 1
an adapter body including a first end portion threaded for engagement with a cylinder liner
Implementation Method 2
The injector port includes a plurality of concentric bores configured to receive the proximal end portion of an injector
Implementation Method 3
a collar engages a portion of the injector and connects to the flange to retain the injector in the adapter
Data Source
AI summary
Technology is provided for a fuel injector mounting system for mounting an injector to an engine cylinder liner. The system includes an injector adapter having an adapter body including a first end portion threaded for engagement with a cylinder liner and an injector port formed in the adapter body opposite the first end portion. The injector port includes a plurality of concentric bores configured to receive the proximal end portion of an injector. A flange extends transversely from the adapter body and a collar engages a portion of the injector and connects to the flange to retain the injector in the adapter. A transverse passageway extends through a sidewall of the adapter body and intersects the injector port and an annular fitting is disposed on the injector adapter for fluid communication with the transverse passageway. An injector support bracket attaches a distal end portion of the injector to the engine.