The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 25, 2022
Filed:
Nov. 19, 2020
Otis Elevator Company, Farmington, CT (US);
Alexander Turek, MĂĽnchendorf, AT;
Thomas Illedits, Vienna, AT;
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Abstract
A drive belt monitoring system for a passenger conveyor () is provided having a drive belt () having at least one cord () extending longitudinally within the drive belt (). The monitoring system () includes: a first sensor () configured to measure the pretension of the drive belt (); a second sensor () configured to determine a passenger load on the drive belt (); a third sensor () configured to determine the resonance frequency of the drive belt (); and a controller () configured to evaluate a condition of the drive belt () based on: the measured pretension of the drive belt (), the determined passenger load of the drive belt (), and the determined resonance frequency of the drive belt ().