Fluorescent grease and bearings having the same therein
OwnerMotoharu Akiyama, Joichi Sugimurainventors
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Abstract
The invention provides a fluorescent grease which enables monitoring of behaviors of the grease for elucidation of the mechanism of grease lubrication, and a rolling element bearing or a condition monitoring rolling element bearing, both charged with the fluorescent grease. The fluorescent grease contains, as its essential components, a base oil, a thickener agent, and a fluorescent substance.
Claims9
A fluorescent grease comprising, as essential components, a base oil consisting of a synthetic carbonate ester, a thickener agent consisting of a lithium soap and a fluorescent substance consisting of at least one member selected from the group consisting of pyrene, perylene, 1,6-diphenyl-1,3,5-hexatriene, 1,8-diphenyl-1,3,5,7-octatetraene and coumarine 6.
Dependencies are inferred from the claim text.