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Lubricating oil composition for hybrid vehicle

A technology of lubricating oil composition and lubricating viscosity, which is applied in lubricating composition, petroleum industry, additives, etc., and can solve problems such as unstable emulsion, corrosion of engine parts, oil accumulation, etc.

Pending Publication Date: 2022-05-06
CHEVRON ORONITE TECH BV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the buildup of water and fuel in the oil is a problem because the engine cannot adequately evaporate the water and fuel
This leads to the formation of unstable emulsions which can negatively affect engine performance and cause corrosion of engine components
[0004] The difference between a hybrid vehicle and a conventional car vehicle is significant, and conventional engine oils are not optimized for use in hybrid vehicles

Method used

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  • Lubricating oil composition for hybrid vehicle
  • Lubricating oil composition for hybrid vehicle
  • Lubricating oil composition for hybrid vehicle

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0091] In the preparation of lubricating oil formulations, it is common practice to incorporate additives in the form of 10% to 100% by weight active ingredient concentrates in hydrocarbon oils (eg mineral lubricating oils) or other suitable solvents.

[0092] Typically, these concentrates may be diluted with 3 to 100 (eg, 5 to 40) parts by weight lubricating oil per part by weight additive package when forming a finished lubricant (eg, crankcase motor oil). The purpose of the concentrate is, of course, to make handling of the various materials less difficult and cumbersome as well as to facilitate dissolution or dispersion in the final blend.

[0093] When used, each of the foregoing additives is used in a functionally effective amount to impart desired properties to the lubricant. Thus, for example, if the additive is a friction modifier, a functionally effective amount of the friction modifier would be an amount sufficient to impart the desired friction modifying characteri...

Embodiment 1

[0138] 0.1% by weight of Compound A and 0.1% by weight of Compound B were added to the formulation baseline.

Embodiment 2

[0140] 0.1% by weight of Compound A and 0.2% by weight of Compound B were added to the formulation baseline.

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PUM

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Abstract

An internal combustion engine lubricating oil composition for reducing corrosion of an engine of a hybrid vehicle is disclosed. The reduction in corrosion may be determined by the JIS K2246 test method. A method for reducing corrosion of an engine of a hybrid vehicle using the lubricating oil composition is also disclosed.

Description

Background technique [0001] Modern lubricants are formulated to strict specifications usually set by original equipment manufacturers. To meet stringent specifications, carefully selected lubricant additives are blended with base oils of lubricating viscosity. A typical lubricating oil composition may contain, for example, dispersants, detergents, antioxidants, antiwear agents, rust inhibitors, corrosion inhibitors, foam suppressors and / or friction modifiers. The specific application or use (eg, hybrid vehicle) will dictate the set of additives that go into the lubricating oil composition. [0002] Hybrid vehicles rely on two distinct types of propulsion technology—internal combustion engines and electric motors. The internal combustion engine drives the vehicle primarily at high speeds. The electric motor propels the vehicle at low speeds and also assists the internal combustion engine when extra power is needed. It is important for a hybrid vehicle to distribute the powe...

Claims

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Application Information

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IPC IPC(8): C10M169/04C10M161/00C10M129/00C10N40/25C10N30/12
CPCC10M169/04C10M161/00C10M129/00C10N2040/25C10N2030/12C10M2203/1006C10M2219/046C10M2227/061C10M2223/045C10M2215/064C10M2229/02C10M2205/022C10M2205/024C10M2209/084C10M2207/123C10M2209/104C10M2209/108C10N2010/04C10M169/048C10M2203/1025C10M2205/02C10M2215/28C10M2207/046C10M2207/04C10M2207/287C10M2207/127C10M2207/129C10M2207/282C10M2207/288C10M2209/101C10M2209/103C10M2209/109C10M2209/105C10M2207/283C10M2219/106C10N2040/14C10N2030/26C10M2201/02C10N2010/02C10N2060/14C10N2020/04C10N2040/255C10M129/10C10M129/42C10M2207/023
Inventor R·霍根杜恩田中勲J·V·莱文
Owner CHEVRON ORONITE TECH BV