Patents Assigned to Otis Elevator Company
  • Patent number: 12043515
    Abstract: Systems and methods for operating an elevator system are provided. Aspects includes receiving, by a processor, a call request for an elevator car in an elevator system. Receiving sensor data from a plurality of sensors associated with the elevator car, wherein the plurality of sensors are configured to collect sensor data from one or more predefined areas associated with the elevator car. Determining an occupancy level in the elevator car based on a feature vector, generated by a machine learning model, comprising a plurality of features extracted from the sensor data and operating, by the processor, the elevator car based at least in part on the occupancy level.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: July 23, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Appalaraju Marpu, Anup Sinha
  • Patent number: 12043517
    Abstract: An authorization management and authorization request of an elevator service request pertaining to the technical field of elevator management. The system for authorization management of the elevator service request includes a wireless signal device and an authorization management device, the wireless signal device being used for broadcasting an elevator identifier of a corresponding elevator system; the system for authorization management obtains the elevator identifier broadcasted by the wireless signal device through a personal mobile terminal; the authorization management device is used to receive authorization request information from the personal mobile terminal, the authorization request information containing a terminal identifier of the personal mobile terminal and the elevator identifier of the corresponding elevator system obtained by the personal mobile terminal.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: July 23, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Kai Li, Siqi Ma, Yang Yang, Haofeng Hou
  • Patent number: 12043520
    Abstract: A passenger guidance system, elevator system, and passenger guidance method for elevators. The passenger guidance system includes: a sensor, arranged to collect object feature data of a passenger going towards an elevator; a processing device, in communication with the sensor and an elevator system, for receiving the object feature data and comparing the object feature data with stored passenger information to learn information of a target floor of a successfully matched passenger, and learning a target elevator currently dispatched corresponding to the target floor according to elevator running information of the elevator system; and a guidance device, in communication with the processing device, for forming a sign to at least guide the successfully matched passenger to go towards the target elevator. The present invention can be applied to humanistically and intelligently guide the passenger to reach the target elevator, and bring good elevator taking experience to users.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: July 23, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Hui Chen, Shenhong Wang
  • Patent number: 12030741
    Abstract: An illustrative example method of controlling an elevator system includes receiving a first request for elevator service from a requestor, receiving a second request for elevator service from the requestor while the first request is still pending, and controlling the elevator system to provide elevator service for only one of the first request or the second request.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: July 9, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventor: Bradley Armand Scoville
  • Patent number: 12017887
    Abstract: A method of detecting water within a pit of an elevator shaft including: emitting an electromagnetic wave from an electromagnetic wave source towards a bottom of an elevator shaft; detecting a reflected electromagnetic wave of the electromagnetic wave using an electromagnetic wave detector; and determining whether water is present within the pit of the elevator shaft in response to the reflected electromagnetic wave.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: June 25, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Ankit Anand Gupta, Stella M. Oggianu, Girisha DJ, Arangarajan P, Anup Kumar
  • Patent number: 12012307
    Abstract: An elevator safety system (1) configured for monitoring an elevator system (2) comprises at least one safety node (12) and an evaluator (19). The at least one safety node (12) is configured for monitoring at least one component of the elevator system (2) and/or of the elevator safety system (1) and providing signals representing the current status of the at least one monitored component. The evaluator (19) configured for receiving the signals from the at least one safety node (12); and for determining a safety status of the elevator system (2) and/or of the elevator safety system (1) from a combination of the received signals.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: June 18, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Peter Herkel, Dirk H. Tegtmeier
  • Patent number: 12006184
    Abstract: A method of monitoring a conveyance apparatus within a conveyance system including: detecting a plurality of accelerations of the conveyance apparatus; determining a number of maximum accelerations of the plurality of accelerations that are above a threshold acceleration; determining that the number of maximum accelerations exceeds a threshold number of maximum accelerations within a threshold time period; and determining a health level of the conveyance system in response to the number of maximum accelerations within the threshold time period.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: June 11, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventor: Derk Oscar Pahlke
  • Patent number: 12006185
    Abstract: A monitoring system includes one or more detection devices, a communication device, and an analytics system. The one or more detection devices generate, at a conveyance system, one or more data streams describing the ride of the conveyance system, where the data streams include at least one of vibration data and audio data. The communication device transmits sensor data based on the one or more data streams. The analytics system receives the sensor data from the communication device and, based on the sensor data, determines a ride quality of the conveyance system.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: June 11, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Soumalya Sarkar, Teems E. Lovett, Paul R. Braunwart, Sudarshan N. Koushik, Nikola Trcka, George Scott Copeland, George S. Ekladious, Peter Liaskas, Sandeep Sudi
  • Patent number: 11999588
    Abstract: A dynamic car assignment method implemented by an elevator system is provided. The elevator system includes a plurality of elevators. The dynamic car assignment method includes an assignment, by the elevator system, of a first elevator car of the plurality of elevators to pick up a passenger in response to an elevator call. The elevator system then detects that the first elevator car is fully occupied prior to the first elevator car arriving to pick up the passenger. Further, the elevator system dynamically assigns a second elevator car of the plurality of elevator cars to pick up the passenger in response to the elevator call and in response to detecting that the first elevator car is fully occupied.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: June 4, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Vinod Akkina, Sandyarani Kolli
  • Patent number: 11999589
    Abstract: A system and method of managing an elevator system based on a location and status of a mobile device is provided. The method includes determining a current status of a mobile device, receiving a destination request from the mobile device, and dispatching an elevator car based on the destination request and the current status.
    Type: Grant
    Filed: April 6, 2016
    Date of Patent: June 4, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Lucien Wedzikowski, Bradley Armand Scoville, Ashley Chapman, Eric C. Peterson
  • Patent number: 11999591
    Abstract: An elevator system includes a hoistway; an elevator car configured to travel in the hoistway; a pit located at a bottom of the hoistway; a safety chain configured to enable or disable motion of the elevator car; and a sensor assembly configured to initiate opening the safety chain to disable motion of the elevator car upon detection of a person in the pit.
    Type: Grant
    Filed: June 12, 2023
    Date of Patent: June 4, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Randy Roberts, Johanna Whitwell, James Tilsley Auxier, Kathleen Nicole Moore, Kyler Vensel
  • Patent number: 11999590
    Abstract: An illustrative example embodiment of an elevator sheave assembly includes a plurality of polymer rings that are secured together. The plurality of polymer rings includes at least two polymer rings that each have an outer circumferential surface that defines a portion of a belt guiding surface adjacent a flange at a longitudinal end of the sheave assembly. The at least two polymer rings each include a bearing supported inside the ring.
    Type: Grant
    Filed: January 3, 2022
    Date of Patent: June 4, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Jun Ma, Alexander Serkh
  • Patent number: 11993480
    Abstract: A method of monitoring a conveyance apparatus within a conveyance system including: obtaining a health level of the conveyance system at a first conveyance apparatus location; determining that the health level for the conveyance system at the first conveyance apparatus location is outside of a threshold operating range; activating an alert on a mobile device indicating that the health level for the conveyance system at the first conveyance apparatus location is outside of the threshold operating range; and receiving a selection input on the mobile device, the selection input indicating a mechanic feedback regarding the health level of the conveyance system at the first conveyance apparatus location.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: May 28, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Yrinee Michaelidis, Derk Oscar Pahlke
  • Patent number: 11993483
    Abstract: An elevator system is provided. Aspects includes at least one elevator car, a plurality of sensors, a controller coupled to a memory, the controller configured to receive a call request for an elevator car from a user device. An identifier is transmitted to the user device and to the plurality of sensors. A location of the user device is determined based at least in part on at least one sensor in the plurality of sensors detecting the identifier on the user device. And the at least one elevator car is operated based on the location of the user device.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: May 28, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventor: Jayapal Reddy Gireddy
  • Patent number: 11993481
    Abstract: An elevator system (2) comprises a hoistway (4) extending between a plurality of landings (8); the hoistway (4) comprising landing portions (A) and intermediate portions (B), wherein each landing portion (A) extends around a corresponding landing (8) and each intermediate portion (B) is located between two adjacent landing portions (A); an elevator car (6), which is configured for traveling along the hoistway (4); a first position determining system (15), which is configured for determining the current position of the elevator car (6) while it is located within one of the landing portions (A); and a second position determining system (17), which is configured for determining the current position of the elevator car (6) while it is located within one of the intermediate portions (B).
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: May 28, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Peter Herkel, Dirk Tegtmeier
  • Patent number: 11993485
    Abstract: A lifting device for building a steel structure hoistway and a method for building a steel structure hoistway. The lifting device includes a lifting mechanism and a crane mechanism. The lifting mechanism includes a bottom platform, a middle platform and a top platform. The crane mechanism is arranged on the top platform of the lifting mechanism, and includes a base and a crane on the base. The base is arranged on the top platform and is rotatable relative to the top platform along a vertical axis, and the hanger frame of the crane is movable between a vertical orientation and an inclined orientation. The lifting mechanism is configured to ascend and descend in the constructed steel structure hoistway, and the crane mechanism is configured to lift building materials, such as steel beams, steel columns, etc., for use in building the steel structure hoistway to their designed installation locations.
    Type: Grant
    Filed: November 4, 2022
    Date of Patent: May 28, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Hualiang Xu, Fei Chen, Gangliang Chen, Zheng Lu, Huaping Sun, Yanchong Wang, Yijin Luo, Zhijun Shen, Lili Yang
  • Patent number: 11993488
    Abstract: A method of processing a service request related to a conveyance system includes receiving the service request related to the conveyance system; determining whether the service request identifies the conveyance system as running or not running; upon determining that the service request identifies the conveyance system as not running determining whether a conveyance system status is accessible; when the conveyance system status is accessible, determining from the conveyance system status whether the conveyance system is operating properly; when the conveyance system status is not accessible, obtaining at least one input from the conveyance system and determining from the at least one input whether the conveyance system is operating properly.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: May 28, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Derk Oscar Pahlke, Lutz Hentschel
  • Patent number: 11993491
    Abstract: An elevator belt includes a plurality of tension members arranged along a belt width and extending longitudinally along a length of the belt. Each tension member includes a core member formed from a composite material, and a plurality of second fibers to enhance temperature resistance of the tension member. A jacket material encapsulates the tension members. An elevator system includes a hoistway, an elevator car located in the hoistway and movable therein and a belt operably connected to the elevator car to suspend and/or drive the elevator car along the hoistway. The belt includes a plurality of tension members arranged along a belt width and extending longitudinally along a length of the belt. Each tension member includes a core member formed from a composite material, and plurality of second fibers to enhance temperature resistance of the tension member. A jacket material at least partially encapsulates the tension members.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: May 28, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventor: Brad Guilani
  • Patent number: 11993486
    Abstract: The present application relates to a control system and a method for controlling a passenger conveying apparatus, and a computer-readable storage medium for implementing the method. A control apparatus for a passenger conveying apparatus according to an aspect of the present application comprises: a processor; a memory coupled with the processor; a communication module coupled with the processor; and a computer program stored on the memory and running on the processor, the running of the computer program causes: in response to an internal control command of the control apparatus or an external control command outside the control apparatus, determining whether there is a passenger boarding signal in the passenger conveying apparatus within a specified time interval, wherein the internal control command and the external control command comprise commands for starting or stopping the passenger conveying apparatus; and manipulating the passenger conveying apparatus based on the determining.
    Type: Grant
    Filed: September 15, 2022
    Date of Patent: May 28, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Lifei Cheng, Zhaoxia Hu, Xinwei Gong
  • Patent number: 11987473
    Abstract: An escalator device includes a plurality of steps, wherein both sides of each step are provided with mounting portions and step wheels rotatably mounted to the mounting portions; step wheel guide rails fixedly arranged on both sides of the escalator device for guiding the step wheels of each step, during the operation of the escalator device, the step wheels of each step move along the step wheel guide rails on both sides respectively; and anti-detachment guide rails arranged on both sides of the escalator device, during the movement of the step wheels of each step along the step wheel guide rails on both sides respectively, the anti-detachment guide rails are located above and spaced apart from anti-detachment portions of each step, a piezoelectric sensor is provided on the surface of the anti-detachment guide rail facing the anti-detachment portion.
    Type: Grant
    Filed: October 13, 2022
    Date of Patent: May 21, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventor: Laize Li