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US 2019/0086382 A1Published application
Lubricant Deterioration Detection Device and Lubricant Deterioration State Evaluation Method
AssigneeNsk Ltd.
InventorsTakenobu INABA, Koichi HACHIYA, Taisuke MARUYAMA
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Abstract
A lubricant deterioration detection device of the present invention includes a gas sensor that selectively detects a carbonyl compound.
Claims12
1-12. (canceled)
A lubricant deterioration detection device comprising a gas sensor configured to detect a carbonyl compound.
A lubricant deterioration state evaluation method comprising in situ determining an amount of a gaseous carbonyl compound generated due to chemical deterioration of the lubricant in a rolling bearing lubricated with the lubricant to evaluate a deterioration state of the lubricant.
Dependencies are inferred from the claim text.