Otis Elevator Company

Raghavendra Rao Veera Yerramsetty

Jayapal Reddy Gireddy

Prasad Babu Lakshmipathy

Rajinikanth Pusala

Ashok Chikkur

Sudharshan Karanam

Madhavaraju Nadimpalli

Putla Vasudev Dayasagar

Pramod Parimala Tatikola

Asadur Rahaman

Sasikanth Singamsetty

Srinivasa Krishna Mulukutla

Vamsi Krishna Grandhi

Sailaja Sreeteja

Disclosed is an elevator system in a building, the elevator system including a first elevator car for transporting a passenger between a plurality of building levels, the system including a controller that controls the elevator car, the controller: rendering a first determination that the passenger has requested elevator service from the first lobby, rendering a second determination to assign the elevator car to provide service to the passenger at a first lobby for the first level, effecting a first transmission to the elevator car to effect the second determination, rendering a third determination that the first lobby becomes unoccupied in a time period between effecting the first transmission and the elevator arriving at the first lobby for servicing the first passenger, rendering a fourth determination to release the elevator car from effecting the second determination, and effecting a second transmission to the elevator car to effect the fourth determination.

System for monitoring lobby activity to determine whether to cancel elevator service

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.

Elevator control to avoid hazardous conditions

Growing community of inventors

Telangana, India

Raghavendra Rao Veera Yerramsetty