Invention Grant
- Patent Title: Elevator control to avoid hazardous conditions
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Application No.: US16544450Application Date: 2019-08-19
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Publication No.: US11434106B2Publication Date: 2022-09-06
- Inventor: Jayapal Reddy Gireddy , Raghavendra Rao Veera Yerramsetty , Putla Vasudev Dayasagar , Ashok Chikkur , Asadur Rahaman , Srinivasa Krishna Mulukutla , Sailaja Sreeteja , Sudharshan Karanam , Prasad Babu Lakshmipathy , Rajinikanth Pusala
- Applicant: Otis Elevator Company
- Applicant Address: US CT Farmington
- Assignee: Otis Elevator Company
- Current Assignee: Otis Elevator Company
- Current Assignee Address: US CT Farmington
- Agency: Cantor Colburn LLP
- Priority: IN201811031127 20180820
- Main IPC: B66B5/02
- IPC: B66B5/02 ; B66B13/14 ; B66B5/00

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.
Public/Granted literature
- US20200055698A1 ELEVATOR CONTROL TO AVOID HAZARDOUS CONDITIONS Public/Granted day:2020-02-20
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