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:
Sep. 06, 2022
Filed:
Aug. 19, 2019
Otis Elevator Company, Farmington, CT (US);
Jayapal Reddy Gireddy, Telangana, IN;
Raghavendra Rao Veera Yerramsetty, Telangana, IN;
Putla Vasudev Dayasagar, Telangana, IN;
Ashok Chikkur, Telangana, IN;
Asadur Rahaman, Telangana, IN;
Srinivasa Krishna Mulukutla, Telangana, IN;
Sailaja Sreeteja, Telangana, IN;
Sudharshan Karanam, Telangana, IN;
Prasad Babu Lakshmipathy, Telangana, IN;
Rajinikanth Pusala, Telangana, IN;
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Abstract
Disclosed is an elevator system for a multilevel architectural structure, the system having: a system controller, an elevator and an elevator controller, wherein the system controller and elevator controller communicate over a network, multi-level hoistway in which the elevator travels, the multi-level hoistway including a plurality of egress levels, including a first egress level, the first level being a primary egress level, wherein during an alarm condition the system, when the primary level is inaccessible, performs an emergency assessment of identifying a safe level of the plurality of levels at which to discharge passengers, the assessment comprising obtaining a smoke density profile for the egress levels, the profile illustrating a distribution of smoke within the multilevel structure, analyzing the smoke density profile, identifying a safe level having a smoke density that is safe, and instructing the elevator to discharge passengers on the safe level.