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Directional power-assisted oil composition and its application

A technology of booster oil and composition, which is applied in the field of steering booster oil composition, and can solve problems such as poor compatibility and power steering system failures

Active Publication Date: 2012-02-01
CHINA PETROLEUM & CHEM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] One of the technical problems to be solved by the present invention is that the power steering oil composition in the prior art is used in the power steering system, and there is poor compatibility between the steering oil and the rubber seal, and it is easy to cause power steering due to deformation or failure of the rubber seal. Problems with system failures, providing a new booster oil composition

Method used

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  • Directional power-assisted oil composition and its application
  • Directional power-assisted oil composition and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～9

[0025] Add each component into the base oil in proportion at 55° C., stir for 0.5 to 5 hours to dissolve them all, and obtain the steering oil composition. See Table 1 for details.

Embodiment 10

[0030] The steering oil compositions of [Examples 1-9] were investigated for rubber compatibility. The results are shown in Table 2 and Table 3.

[0031] Table 2

[0032] sample

Sealing Suitability Index

Four-ball test wear scar diameter mm

Four-ball test PB value, N

Example 1

7

0.54

834

Example 2

7

0.54

834

Example 3

7

0.47

932

Example 4

7

0.47

932

Example 5

6

0.59

834

Example 6

5

0.52

883

Example 7

5

0.49

932

Example 8

4

0.45

981

Example 9

3

0.42

1069

Comparative example 1

9

0.58

745

Comparative example 2

8

0.61

726

experiment method

SH / T 0305

SH / T 0189

GB / T3142

[0033] table 3

[0034]

[0035] HA means Shore hardness, Type A (Shore hardness testers can be divi...

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Abstract

The invention relates to a directional power-assisted oil composition and its application and mainly solves the problems of poor compatibility between a directional power-assisted oil and a rubber sealing member and the fault of a power steering system due to deformation or failure of the rubber sealing member with the application of a power-assisted oil composition in the power-assisted steering system in the prior art. The directional power-assisted oil composition comprises the following components of: by weight, a) 0.1-5 parts of boron polyisobutylene succinimide; b) 95-99.9 parts of base oil. By the adoption of the technical scheme, the problems are greatly solved. In addition, the technical scheme can be used in the industrial production of the directional power-assisted oil composition provided by the invention.

Description

technical field [0001] The invention relates to a steering oil composition and its application. Background technique [0002] In order to assist the driver to adjust the direction of the car and reduce the intensity of the steering wheel for the driver, almost every car is equipped with a power steering system. There are many forms of power steering systems in cars, but most cars now generally use hydraulic power steering systems. The hydraulic power steering system uses the pressure energy of the liquid to transmit energy, and the core component is the hydraulic pump; the steering oil is used as the transmission medium to transmit energy. When the car is turning while driving, the power steering system will generate high oil pressure, which will be sent to the steering gear through the steering oil to play a role in assisting. In addition, the steering oil also plays the role of lubricating the hydraulic pump and steering gear, heat dissipation, and rust prevention. [0...

Claims

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Application Information

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IPC IPC(8): C10M155/04C10M161/00C10N40/04C10N40/08C10N30/06
Inventor 刘枫林陆国飞宓建伟
Owner CHINA PETROLEUM & CHEM CORP
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