US Patent 11169211 Systems, methods and apparatuses for frequency tracking

Patent 11169211 was granted and assigned to Schweitzer Engineering Laboratories on November, 2021 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Patent Applicant

Schweitzer Engineering Laboratories

Current Assignee

Schweitzer Engineering Laboratories

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

11169211

Date of Patent

November 9, 2021

Patent Application Number

20191014

Date Filed

October 14, 2019

Patent Primary Examiner

‌

Kyle R Quigley

Patent abstract

A frequency tracking system may use shaft speed and electrical frequency to estimate a frequency of a monitored machine. The frequency tracking system may convert shaft speed to a mechanical frequency and blend the electrical frequency and the mechanical frequency together to determine an estimated frequency. The frequency tracking system may blend the frequencies based on an operating state of the monitored machine and the frequency sensors.