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:
May. 09, 2023
Filed:
Oct. 28, 2019
Otis Elevator Company, Farmington, CT (US);
Yan Chen, East Hartford, MI (US);
David R. Polak, Glastonbury, CT (US);
Paul R. Braunwart, Hebron, CT (US);
Zaffir A. Chaudhry, S. Glastonbury, CT (US);
Charles C. Coffin, Vernon, CT (US);
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Abstract
This disclosure relates to a system and method for monitoring a sheave bearing condition, and in particular relates to passenger conveyer systems, such as elevator systems, employing the system and method. An example passenger conveyer system includes a suspension member, and a sheave configured to rotate on a bearing. The suspension member is wrapped around at least a portion of the sheave. Further, the system includes a sensor mounted adjacent an end of the suspension member, and a controller configured to determine a condition of the bearing based on an output of the sensor.