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Lubricant, bearing comprising lubricant and method for manufacturing lubricant

A manufacturing method and lubricant technology, which are used in lubricating compositions, petroleum industry, etc., can solve problems such as failure to meet maintenance-free periods, weaker adsorption capacity of thickeners to base oil, and loss of base oil.

Pending Publication Date: 2022-04-12
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, due to the shearing effect and the aging of the thickener, the adsorption capacity of the thickener to the base oil becomes weaker, resulting in the loss of the base oil.
Therefore, even long-life greases cannot meet the increasingly longer maintenance-free intervals in high-speed railway bearings

Method used

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  • Lubricant, bearing comprising lubricant and method for manufacturing lubricant
  • Lubricant, bearing comprising lubricant and method for manufacturing lubricant

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Embodiment Construction

[0019] Hereinafter, embodiments of the present invention are described with reference to the drawings. The following detailed description and accompanying drawings serve to illustrate the principles of the present invention. The present invention is not limited to the described preferred embodiments, but the scope of the present invention is defined by the claims. The invention will now be described in detail with reference to exemplary embodiments, some examples of which are illustrated in the accompanying drawings. The following description is made with reference to the drawings, and the same reference numerals in different drawings represent the same or similar elements unless otherwise indicated. The aspects described in the following exemplary embodiments do not represent all aspects of the present invention. Rather, these aspects are merely examples of systems and methods of the various aspects of the invention as recited in the appended claims.

[0020] The invention ...

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Abstract

The invention relates to a lubricant, a bearing comprising the lubricant and a manufacturing method for the lubricant. The present invention provides a lubricant comprising: a grease comprising a first portion of a base oil and a thickener; and a plurality of microcapsules dispersed in the grease, each microcapsule comprising a microcapsule wall and a second portion of base oil wrapped in the microcapsule wall, the microcapsule wall in each microcapsule is configured such that the second portion of the base oil inside the microcapsule can be released into the grease as a function of a concentration difference between the second portion of the base oil and the first portion of the base oil outside the microcapsule.

Description

technical field [0001] The invention relates to the technical field of lubrication. More specifically, the present invention relates to the technical field of bearing lubrication. Background technique [0002] Grease is a lubricant often used for lubrication in mechanical equipment. For example, grease is widely used in high-speed railway bearings. High-speed railway bearings have higher and higher temperature and speed requirements, and longer and longer maintenance-free periods. The life of the bearing is mainly limited by the life of the grease. Long-life greases are currently used in high-speed railway bearings. [0003] Grease mainly includes base oil and thickener. The base oil plays a major role in the lubricating properties of the grease. The base oil is mainly adsorbed in the network structure formed by the thickener. Oxidation and aging will occur under high temperature or metal catalysis, and the base oil will volatilize and lose. At the same time, due to ...

Claims

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Application Information

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IPC IPC(8): C10M169/02C10M177/00C10N40/02C10N50/10
Inventor 赵章凡聂骁王勇
Owner SCHAEFFLER TECH AG & CO KG