Universal Lubricant Additive Composition for Multi-Application Compatibility

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Solution Overview

Problem

Current lubricant additives are not universally applicable across different types of lubricating oils and specific applications, requiring separate formulations for engine and gear use, which can be inconvenient and inefficient.

Innovation Solution

A lubricant additive composition and manufacturing process involving a synthetic polyolester base oil, poly-alpha-olefin oligomer, zinc dithiophosphate antioxidant, thiadiazole extreme pressure agent, phenol antioxidant, and overbased calcium sulfonate, blended in specific ratios and conditions, allowing for integration with various lubricating oils for diverse applications.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If separate lubricant additives are formulated for different applications (engine, gear), then the lubricating performance for each specific application is optimized, but the complexity of product arrangement and selection increases

Engineering Contradiction:
Improvelubricating performanceVSAvoidproduct arrangement complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent develops a universal lubricant additive composition that can be effectively blended with multiple types of base oils (mineral oil, synthetic oil, ester oil) across different applications (engine oil, gear oil, transmission fluid). This multi-functional additive eliminates the need for separate additive formulations for different applications, allowing users to stock only one additive type while maintaining optimized lubricating performance across all applications.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If multiple types of lubricant additives are maintained for different applications, then the suitability for specific applications is ensured, but the inventory management and distribution efficiency deteriorates

Engineering Contradiction:
Improveapplication suitabilityVSAvoiddistribution efficiency
Core Design Contradiction:
Adaptability or versatilityVSProductivity

Solution Approach 1:

The additive composition is designed to be universally compatible with various base oil types and applicable to multiple lubrication scenarios including engines, gears, and transmissions. This universality allows distributors to maintain a single additive product line rather than multiple application-specific additives, significantly improving inventory management and distribution efficiency while preserving application suitability.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent specifies precise compositional parameters including viscosity index (105-180), flash point (>200°C), and detailed component ratios (e.g., anti-wear agent 0.1-5.0%, detergent 1.0-10.0%) that enable the additive to adapt to different base oils and applications. These controlled parameter variations within a single additive formulation achieve application-specific performance without requiring multiple additive products.

Inventive Principle:
Principle #35Parameter changes

3Ease of operation

If a universal lubricant additive is formulated to work with multiple base oils, then the ease of use and product arrangement simplifies, but the manufacturing precision and composition control becomes more challenging

Engineering Contradiction:
Improveease of useVSAvoidcomposition control
Core Design Contradiction:
Ease of operationVSManufacturing precision

Solution Approach 1:

The patent establishes specific parameter ranges for the additive composition including viscosity index (105-180), flash point (>200°C), and precise concentration ranges for each component (anti-wear agent 0.1-5.0%, detergent 1.0-10.0%, antioxidant 0.1-3.0%, viscosity modifier 0.1-5.0%). These controlled parameters ensure consistent performance across different base oils while providing clear manufacturing specifications that simplify production control.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The additive is formulated as a composite composition containing multiple functional components in specific ratios: anti-wear agents, detergents, antioxidants, and viscosity modifiers. This composite structure with defined component ratios ensures predictable performance and simplifies manufacturing quality control, as the synergistic interaction between components maintains effectiveness across various base oil types without requiring complex adjustment procedures.

Inventive Principle:
Principle #40Composite materials

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 lubricant additive provides excellent wear resistance and friction reduction performance across different lubricating oils, enhancing compatibility and reducing the need for multiple additives, thereby improving operational efficiency and environmental sustainability.

Implementation Method 1

a pair of adsorptive parts having functional moieties adsorptive to the part of the material of the unit to be applied and being bonded to the lubricating part

Methodology Applied
Scientific EffectAdsorption: Adsorption

Implementation Method 2

the lubricating part having a high molecular weight and being soluble to the base oil of the lubricant product

Methodology Applied
Scientific EffectSolubility: Solvation

Data Source

PatentEP3587542B1Lubricating oil additive and process for manufacturing the same
Publication Date: 2023.08.23 SONODA CO LTD
  • EP3587542B1 patent drawingFigure 1

AI summary

[Summary] [Object] It is an object of this invention to provide a lubricant additive applicable integrally to all of different types of lubricants for various applications. [Means for Achieving the Object] A lubricant additive adapted to be blended to a lubricating oil, which is characterized by comprising a synthesized base oil of the polyolester type, the content of which to be contained in the lubricant additive is in a range of from 30.0 w/w% to 60.0 w/w%, calcium sulfonate containing calcium carbonate formed in the calcite crystal structure, the content of which to be contained in the lubricant additive is in a range of from 5.0 w/w% to 30.0 w/w%, a poly-alpha-olefin oligomer, an anti-oxidant of the zinc dithiophosphate type, succinimide, an extreme pressure agent of the thiadiazole type and an anti-oxidant of the phenol type, is provided.