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Monitoring process for grease-lubricated rotating system and corresponding system

A grease-lubricated and greased technology, applied in the field of water content measurement in bearing grease, can solve problems such as damage or destruction, reduce lubrication of rotating systems, achieve low cost and reduce the risk of misconfiguration

Pending Publication Date: 2022-01-14
AB SKF
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is a threshold value beyond which the presence of water within the grease ( / presence of water in the grease / presence of water in the grease) reduces the lubrication of the rotating system and can lead to damage or destruction

Method used

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  • Monitoring process for grease-lubricated rotating system and corresponding system

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Embodiment Construction

[0031] The monitoring system includes a processing unit that links to ( / connected to / link) (Linked to) measurement system, which is used to measure the water content within the lubricant of the rotating system (in particular bearing). Processing units typically include a processor and at least one memory for storing data.

[0032] Electrolytic Measurement System includes: electrodes in contact with the lipid, the electrode is connected in series with the current source and the resistor; and the measuring components connected in parallel with the resistor. The output signal of the electrolysis measuring system is linked to the voltage drop in the resistor.

[0033] Instead of attempting to achieve an absolute measure of the water content in the lipid, the system seeks to determine the relative measurement of the water content of the predetermined time period, wherein the water content is considered to be sufficiently low to avoid any damage to the machine.

[0034] figure 1 An ...

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Abstract

A monitoring process for a grease-lubricated rotating system comprising the steps of determining whether a learning period is to be performed, during which measurements are recorded for a predetermined period of time, if so, determining an upper threshold and a lower threshold based on an average and a standard deviation of water content within the grease measurements recorded during the learning period, and then for each measurement value, determining whether the current measurement value is greater than or equal to an upper threshold value, if so, determining whether at least a first number of measurement values of a second number of last measurement values is greater than the upper threshold value, if so, issuing a first event, determining whether the current measurement is less than or equal to a lower threshold value, and if so, determining whether the current measurement is less than or equal to the lower threshold value, and if so, issuing a second event, determining whether at least a first event has been issued, and if so, issuing a warning function of the at least first event.

Description

Technical field [0001] The present invention relates to bearing lubrication, and more particularly to water content measurements within the bearing lipids. Background technique [0002] The rotation system requires lubrication to maintain a reliable operating condition ( / operating condition / operating condition). This lubrication is usually achieved using oil or grease. However, the fat is generally preferably a lubrication of a closed systems (such as a bearing). [0003] Use the seat ( / receiving portion / housing / housing) (housing) and the seal receiving fat. Sealing failure usually results in dust and / or water. The low concentration of water in the lipid is acceptable. However, it has a threshold, exceeds the threshold, the presence of water in the lipid ( / water in the presence / lipid in the presence / lipid) reduces the lubrication of the rotation system and may result in damage or damage. [0004] The monitoring system allows determination of water content in the li...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/30
CPCG01N33/30G01N33/2888G01N33/2847G01N27/048G08B21/182
Inventor 佩埃里克·拉尔森弗雷德里克·桑德奎斯特
Owner AB SKF
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