Lubricant for Internal Combustion Engine and Internal Combustion Engine Operated Therewith

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This invention is a new type of lubricant for internal combustion engines that utilizes an ionic liquid with specific anions (such as bis(trifluoromethylsulfonyl)-imide) and imidazolium cations, as well as at least one additive like a defoamer. This lubricant has superior thermal stability, ultra-low vapor pressure, excellent lubrication properties, and low corrosivity. It can also be used to filter particulate matter and absorb harmful gases from engine exhaust.

Use CasesContent extracted from patent full text and abstract with AI.

• Lubrication of internal combustion engines in cars, trucks, motorcycles, and other vehicles
• Use in industrial engines or generators requiring high-performance lubrication
• Engines operating in extreme temperatures or under heavy loads
• Engines that require reduced emissions, specifically of particulates and gases such as CO2
• Motors using alternative fuels, including hydrogen or biofuels, due to compatibility
• Incorporation into engine designs where enhanced durability and longer maintenance intervals are needed

BenefitsContent extracted from patent full text and abstract with AI.

• Superior thermal stability compared to conventional or fully synthetic engine oils
• Extremely low volatility, leading to reduced oil loss and no vaporization at high temperatures
• Improved engine efficiency and lower operating temperatures, potentially reducing fuel consumption (up to 8% observed)
• Non-corrosive to common engine metals, extending engine life
• Can be tailored by modifying the ionic liquid's structure to match specific technical needs
• Ability to filter particulate matter from exhaust directly in the oil stream, potentially simplifying or improving emission control systems
• Potential to absorb harmful gases like CO2 from engine exhaust, helping reduce emissions
• Improved lubrication performance, reducing wear and friction more effectively than current oils

Technical Classifications (CPCs)

Inventors & Applicants

Patent Abstract

The invention relates to a lubricant for an internal combustion, wherein the lubricant used is an ionic liquid, the ionic liquid used contains, as an anion, a bis(trifluoromethylsulfonyl)-imide anion (BTA) and/or a trifluoromethylsulfonyl-anion (triflat) and/or a tris(pentafluoroethyl)trifluorophosphate anion (FAP) and/or a dialkylphosphate anion, the ionic liquid used contains, as a cation, an imidazolium cation, and at least one additive, in particular in the form of a defoamer, is added to the ionic liquid used.