Quaternized Polyetheramines for Diesel Deposit Prevention
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current fuel additives fail to effectively prevent or remove deposits in the injection systems of direct-injection diesel engines and intake systems of gasoline engines, leading to performance issues and increased fuel consumption.
Innovation Solution
The use of quaternized polyether amines as fuel additives, which are designed to convert tertiary amino groups into quaternary ammonium groups, preventing or removing deposits in diesel and gasoline engines by forming a reaction product that can be used in diesel fuels and gasoline fuels, thereby reducing fuel consumption and power loss in diesel engines and maintaining intake system cleanliness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional fuel additives are used, then fuel consumption and power loss are reduced to some extent, but deposits still form in injection systems and intake systems
Solution Approach 1:
The patent applies parameter changes by modifying the chemical structure of polyetheramines through quaternization, transforming tertiary amino groups into quaternary ammonium groups. This chemical parameter change enhances the detergent properties and deposit prevention capabilities of the additive, allowing it to effectively address deposit formation in injection and intake systems while maintaining fuel consumption and power loss reduction benefits
Solution Approach 2:
The patent employs composite materials by creating quaternized polyetheramines that combine the detergent properties of quaternary ammonium groups with the lubricating and dispersant properties of polyether chains. This composite molecular structure enables the additive to simultaneously prevent deposits in multiple engine components (injection systems, intake systems, piston crowns) while maintaining overall engine performance
2Reliability
If quaternized polyether amines are used as fuel additives, then deposit prevention and removal effectiveness is improved, but fuel composition complexity increases
Solution Approach 1:
The patent simplifies the fuel additive composition by focusing on a specific chemical transformation (quaternization of polyetheramines) rather than using complex blends of multiple different additives. This targeted parameter change approach achieves effective deposit prevention in intake systems while keeping the additive composition relatively simple and manageable
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 quaternized polyether amines effectively prevent the formation and removal of deposits in engine components, enhancing engine performance, reducing fuel consumption, and minimizing power loss in diesel engines while maintaining intake system cleanliness in gasoline engines.
Implementation Method 1
The quaternized nitrogen compounds are used as fuel additives for reducing or preventing deposits in the injection systems of direct-injection diesel engines
Implementation Method 2
a reaction product comprising a quaternized nitrogen compound, wherein the reaction product is obtainable by reaction a. of a polyether-substituted amine containing at least one tertiary quaternizable amino group with b. a quaternizing agent that converts the at least one tertiary amino group into a quaternary ammonium group
Data Source
Figure 1a~1c
Figure 2
AI summary
The present invention relates to innovative quaternized polyetheramines and to the preparation thereof. The present invention further relates to the use of these compounds as a fuel and lubricant additive. More particularly the invention relates to the use of these quaternized nitrogen compounds as a fuel additive for reducing or preventing deposits in the injection systems of direct injection diesel engines, especially in common rail injection systems, for reducing the fuel consumption of direct injection diesel engines, especially of diesel engines with common rail injection systems, and for minimizing power loss in direct injection diesel engines, especially in diesel engines with common rail injection systems. The invention also provides additive packages comprising these polyetheramines, and fuels and lubricants additized therewith. The invention further relates to the use of these quaternized nitrogen compounds as an additive for gasoline fuels, especially for improving the intake system cleanliness of gasoline engines.