ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,383, issued on Jan. 27, was assigned to ABB Schweiz AG (Baden, Switzerland).
"Method of detecting a bearing fault" was invented by Kari Saarinen (Vasteras, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of detecting a bearing fault of a rolling element bearing mounted around a shaft, using a shaft displacement sensor providing a shaft displacement signal to detect shaft displacement, the method including: a) subtracting a modelled shaft displacement reference signal from the shaft displacement signal to obtain a residual vector, b) estimating for at least one bearing fault type a respective bearing fault frequency, and estimating, fo...