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Method for separate lubrication of drive system for motor vehicle

A drive system, motor vehicle technology, applied in the direction of engine lubrication, valve accessories lubrication, lubricating composition, etc., can solve the problem that the fuel economy gain is not optimal

Inactive Publication Date: 2018-07-31
TOTAL MARKETING SERVICES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the gain in fuel economy is not optimal

Method used

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  • Method for separate lubrication of drive system for motor vehicle
  • Method for separate lubrication of drive system for motor vehicle
  • Method for separate lubrication of drive system for motor vehicle

Examples

Experimental program
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Embodiment Construction

[0073] exist figure 1 The drive system 1 shown in is designed to equip a motor vehicle, for example a land motor vehicle, such as an automobile.

[0074] The invention also relates to a lubrication method for the individual lubrication of a drive system 1,100 of a motor vehicle, the drive system 1,100 comprising:

[0075] - an internal combustion engine 3 comprising an engine top part 5 and an engine bottom part 7 coupled together, and a drive drive train comprising at least one piston 15 and a crankshaft 9;

[0076] - A compressor 35 mounted to the internal combustion engine and designed to at least partially compress the inlet fluid A used to fill the cylinders of the bottom part of the engine.

[0077] The methods include:

[0078] - lubricate the bottom part of the engine with the lubricating composition (CL1) by using the main lubricating system comprising the main circuit 105 and the main pump 103;

[0079] - lubricate the top part of the engine with a lubricating com...

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Abstract

The present invention relates a method for separate lubrication of a drive system for a motor vehicle. The system comprises a compressor and an internal combustion engine comprising a top end and a bottom end that are coupled together. The method comprises the steps of: lubricating the bottom end with a lubricating composition CL1 having an SAE J300 grade defined by the formula (X)W-(Y) in which Xrepresents 0 or 5 and Y represents 4, 8, 12, 16 or 20; lubricating the top end with a lubricating composition CL2 different from the lubricating composition CL1; and lubricating the compressor with alubricating composition CL2 or with a lubricating composition CL3 different from the lubricating compositions CL1 and CL2.

Description

【Technical field】 [0001] The invention relates to a lubrication method for the individual lubrication of a drive system of a motor vehicle. 【Background technique】 [0002] Lubricating compositions for drive systems must meet a variety of goals, sometimes contradictory. These objectives derive from the five main functions of engine lubricating compositions, namely lubrication, cooling, sealing, corrosion protection and pressure transmission. [0003] The lubrication of mutually sliding components / parts plays a key decisive role, in particular for reducing friction and wear, thereby allowing in particular for saving engine fuel. [0004] Another essential requirement of lubricating compositions for drive systems concerns aspects related to the environment. In fact, reducing vehicle fuel consumption, especially with the intention of reducing CO2 emissions, has become crucial. It is also important to reduce the emission of harmful gases, for example by formulating the lubrica...

Claims

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Application Information

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IPC IPC(8): F01M9/10C10M101/00F02B39/14F01M9/02F16N39/00
CPCF02B39/14F01M9/10F16N39/00C10M171/02C10M2203/1025C10M2205/028C10M2205/04C10M2207/026C10M2207/028C10M2207/262C10M2209/084C10M2219/046C10M2219/068C10M2223/045C10M2227/061F01M9/02C10N2020/02C10N2030/02C10N2030/54C10N2040/25C10N2030/04C10N2030/06C10N2030/10C10M101/02C10M129/10C10M129/26C10M129/54C10M133/04C10M133/44C10M135/10C10M135/18C10M137/10C10M143/12C10M145/14C10M2203/1006C10M2205/06C10M2207/023C10M2207/10C10M2207/144C10M2215/02C10M2215/223C10M2219/044
Inventor 皮埃尔·达夫哈尼古拉·欧伯来朱立安·葛汉
Owner TOTAL MARKETING SERVICES