公开(公告)号：US20240310354A1

公开(公告)日：2024-09-19

申请号：US18565298

申请日：2023-06-02

Applicant: NSK LTD.

Inventor： Takenobu INABA ,  Keisuke YOKOYAMA ,  Shunsuke IWASE

IPC: G01N33/28 ,  G01N1/38 ,  G01N21/25 ,  G06T7/00 ,  G06T7/90

CPC classification number: G01N33/2888 ,  G01N1/38 ,  G01N21/255 ,  G06T7/0002 ,  G06T7/90 ,  G06T2207/10024

Abstract: Provided is a grease deterioration detecting method which can detect deterioration of grease and in which the amount of grease necessary for detecting deterioration is small. The grease deterioration detecting method includes a dilution step of diluting grease with a diluent to obtain diluted grease, and a measurement step of measuring a color of the diluted grease with a sensor.

公开(公告)号：US20190086382A1

公开(公告)日：2019-03-21

申请号：US16089742

申请日：2017-04-26

Applicant: NSK LTD.

Inventor： Takenobu INABA ,  Koichi HACHIYA ,  Taisuke MARUYAMA

IPC: G01N33/28 ,  G01N33/00 ,  F16N29/00

Abstract: A lubricant deterioration detection device of the present invention includes a gas sensor that selectively detects a carbonyl compound.