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. 24, 2022
Filed:
Nov. 28, 2017
Otis Elevator Company, Farmington, CT (US);
Guohong Hu, Farmington, CT (US);
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Abstract
A method of detecting maintenance requirements of a system for conveying a car through a passageway is provided. The method comprising: detecting pressure data for at least one or more locations along a passageway using a pressure sensor; comparing the pressure data to benchmark pressure data for each of the one or more locations; determining a pressure data variance at a first location of the one or more locations in response to the pressure data and the benchmark pressure data; and identifying an identity of a car stop location door system located at the first location when the pressure data variance is greater than a selected tolerance.