Patents Assigned to Otis Elevator Company
  • Patent number: 11565909
    Abstract: A stabilizing device of an elevator car and an elevator system. The stabilizing device include a first frame body, a second frame body, a left electromagnetic block, a right electromagnetic block, a left damper and a right damper, wherein the left electromagnetic block and the right electromagnetic block are mounted within the second frame body in a limiting manner in an up-down direction and are moveable in a left-right direction, and the left damper and the right damper are arranged in the up-down direction. The fixed end of the left damper and the fixed end of the right damper are mounted within the second frame body in a limiting manner in the up-down direction, and the movable ends of the left damper and the right damper are connected to the first frame body and are moveable upwardly and downwardly together with the first frame body.
    Type: Grant
    Filed: November 2, 2020
    Date of Patent: January 31, 2023
    Assignee: OTIS ELEVATOR COMPANY
    Inventor: Xingang Gou
  • Patent number: 11565911
    Abstract: An electronic test node (1) for a safety chain (22) in a passenger conveyor system includes an electrical connection (2) for an associated safety switch (4). A processor (6) is configured to monitor a signal carried by the electrical connection (2) so as to detect whether the associated safety switch (4) is open or closed. The electronic test node (1) further includes a test switch (8) connected in series with the electrical connection (2), wherein the processor (6) is configured to run a test by selectively opening the test switch (8) and monitoring for a change in the signal carried by the electrical connection (2).
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: January 31, 2023
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Peter Herkel, Norbert Diwisch
  • Patent number: 11560289
    Abstract: An elevator inspection and maintenance system, the system including a mechatronic body movable via remote or automatic operation, an inspection and maintenance head installed on the mechatronic body, where the inspection and maintenance head is fitted with a sensor or a manipulation tool to perform an inspection or a maintenance operation on at least one component of an elevator system remotely or automatically.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: January 24, 2023
    Assignee: OTIS ELEVATOR COMPANY
    Inventor: Mahesh N. Shah
  • Patent number: 11554931
    Abstract: An illustrative example embodiment of an elevator system includes a destination entry device configured to allow a passenger to indicate an intended destination prior to entering an elevator car and at least one detector configured to detect a proximity between the passenger and at least one other individual that has not indicated an intended destination. A controller is configured to determine whether the detected proximity between the passenger and the at least one other individual satisfies at least one criterion indicating that the at least one other individual likely is associated with the passenger, will board an elevator car with the passenger, and will travel to the intended destination with the passenger. The controller is configured to assign an elevator car to carry the passenger and the at least one other individual to the intended destination when the detected proximity satisfies the at least one criterion.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: January 17, 2023
    Assignee: OTIS ELEVATOR COMPANY
    Inventor: Arthur Hsu
  • Patent number: 11548758
    Abstract: Methods and systems for monitoring a dynamic compensation control system of an elevator system are provided. The methods and systems include monitoring a first motion state sensor signal generated by a first motion state sensor, the first motion state sensor associated with an elevator machine, monitoring a second motion state sensor signal generated by a second motion state sensor, the second motion state sensor located on an elevator car, determining an operational status of the second motion state sensor based on an analysis of the first motion state sensor signal and the second motion state sensor signal, and when it is determined that a failure status of the second motion state sensor is present, the method further comprises deactivating a dynamic compensation control mode of operation of the elevator system.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: January 10, 2023
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Randy Roberts, Edward Piedra, Bruce P. Swaybill
  • Patent number: 11548761
    Abstract: Embodiments include a method and system for detecting mechanics in an elevator system. The system includes a controller configured to communicate with one or more anchors, and a tag configured to transmit a signal, wherein the signal includes an identifier and location information. The system also includes one or more anchors, wherein the one or more anchors are configured to detect the signal from the tag, wherein the controller is configured to execute a safety action response to detecting the signal from the tag.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: January 10, 2023
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Stella M. Oggianu, Ankit Anand Gupta, Tadeusz Pawel Witczak, Craig Drew Bogli, Vineet Srivastava
  • Patent number: 11548764
    Abstract: A monitoring system for monitoring an escalator is provided. The monitoring system including: a local gateway device; and a sensing apparatus in wireless communication with the local gateway device through a short-range wireless protocol, the sensing apparatus including: an inertial measurement unit sensor configured to detect acceleration data of the escalator.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: January 10, 2023
    Assignee: OTIS ELEVATOR COMPANY
    Inventor: Derk Oscar Pahlke
  • Patent number: 11548763
    Abstract: A lifting member for an elevator system is disclosed, including a rope formed from a plurality of strands comprising liquid crystal polymer fibers, with the strands extending along a length of the lifting member. A first polymer coating is disposed on outer surfaces of the fibers or on outer surfaces of the strands. A second polymer coating disposed over the first polymer coating.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: January 10, 2023
    Assignee: OTIS ELEVATOR COMPANY
    Inventor: Chen Qian Zhao
  • Patent number: 11542119
    Abstract: Elevator access systems having an access control module operably connected to an elevator system and an access device located within the access control module and removable therefrom, wherein when the access device is within the access control module a normal mode of operation of the elevator system is activated and when the access device is removed from the access control module, the elevator system enters a safety mode of operation.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: January 3, 2023
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Pascal Rebillard, Gerard Sirigu, Sebastien Bourdarias, Valerie Mauguen
  • Patent number: 11542120
    Abstract: A method of operating an elevator call control system comprising: receiving a first elevator call from a first individual carrying a first mobile device, the first elevator call including a destination request to travel from a first boarding floor to a first destination floor; determining that the first individual carrying the first mobile device is traveling with a second individual, wherein the second individual is traveling to a second destination floor; assigning an elevator car to the first elevator call; and scheduling the elevator car to transport the first individual carrying the first mobile device and the second individual together to at least one of a first destination floor and the second destination floor.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: January 3, 2023
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Bradley Armand Scoville, Paul A. Simcik, Harrison Daniels
  • Patent number: 11542122
    Abstract: A method of remotely tripping an overspeed assembly of a governor assembly includes generating a signal to indicate remote trip, applying power to an actuator, contacting a tripping lever with a movable member operably coupled to the actuator to rotate the tripping lever out of contact with an adjacent swing jaw, and biasing the swing jaw into contact with a ratchet disc capable of limited rotation in response to the tripping lever.
    Type: Grant
    Filed: September 23, 2021
    Date of Patent: January 3, 2023
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Randall S. Dube, Aayush Desai
  • Patent number: 11542123
    Abstract: An illustrative example embodiment of an elevator system includes a cab configured to accommodate at least one passenger or item inside the cab. A motorized module includes a base, a connector supported on the base and at least one drive member supported on the base. The connector is configured to selectively establish a releasable connection between the motorized module and the cab. The drive member is configured to engage a vertical surface, climb along the vertical surface to selectively cause vertical movement of the base, and selectively prevent movement of the base when the drive member remains in a selected position relative to the vertical surface. At least one motor is associated with the drive member to selectively cause the drive member to climb along the vertical surface. The motorized module is vertically movable independent of the cab when the motorized module is released from the cab.
    Type: Grant
    Filed: August 1, 2020
    Date of Patent: January 3, 2023
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Kiron Bhaskar, Sam Thieu Wong, Bruce P. Swaybill, Randy Roberts, Meghan Mastriano, Brad Guilani
  • Patent number: 11542124
    Abstract: A method of monitoring a door of an elevator car within an elevator system including: detecting a first plurality of accelerations along an X-axis of the elevator system during a first time period; detecting a second plurality of accelerations along a Y-axis of the elevator system during the first time period; determining an absolute value of the first plurality of accelerations; determining an absolute value of the second plurality of accelerations; determining a first summation of the absolute value of the first plurality of accelerations and the absolute value of the second plurality of accelerations; and determining whether the door of the elevator car is in motion during the first time period by determining whether a maximum value of the first summation is greater than a threshold value.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: January 3, 2023
    Assignee: OTIS ELEVATOR COMPANY
    Inventor: Derk Oscar Pahlke
  • Patent number: 11544931
    Abstract: An analytics device for monitoring maintenance on an elevator system performed by an individual including: a processor; and a memory including computer-executable instructions that, when executed by the processor, cause the processor to perform operations, the operations including: capturing a first video stream using a first video camera; extracting sequences from at least the first video stream; extracting features from the sequences; and analyzing, using a long short-term memory model, the sequence to determine whether the maintenance performed on the elevator system by the individual is performed correctly.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: January 3, 2023
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Amit Bhatia, Guoqiang Wang, Mahmoud El Chamie, Claudio Pinello, Ankit Tiwari, Massimiliano L. Chiodo
  • Patent number: 11535486
    Abstract: Methods and systems for determining elevator car locations are provided. Aspects includes operating, by a processor, a machine room sensor to collect vibration data associated with one or more components in a machine room of an elevator system, wherein the elevator system comprises an elevator car and a hoistway and analyzing the vibration data to determine a position of the elevator car in the hoistway.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: December 27, 2022
    Assignee: OTIS ELEVATOR COMPANY
    Inventor: Sandeep Sudi
  • Patent number: 11535487
    Abstract: An elevator safety system (20) for an elevator system (2) with a self-diagnostic functionality includes at least two safety channels (22a, 22b), wherein each safety channel (22a, 22b) is configured for supplying a safety signal (23a, 23b) in case a safety issue has been detected. The elevator safety system (20) comprises a self-diagnostic evaluator (24), which is configured for receiving any safety signals (23a, 23b) supplied via the safety channels (22a, 22b); starting a timer (25) for measuring a predetermined period of time in case a safety signal (23a, 23b) is supplied on one of the safety channels (22a, 22b); and stopping any further operation of the elevator system (2) in case the received signal (23a, 23b) is still supplied after the predetermined period of time has expired.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: December 27, 2022
    Assignee: OTIS ELEVATOR COMPANY
    Inventor: Peter Herkel
  • Patent number: 11535489
    Abstract: A method of health profile based elevator calls is provided. The method is implemented by a system comprising an elevator. The system is in communication with a mobile device of a user. The system determines a distance between a lobby respective to the at least one elevator and the mobile device and acquires a health profile of the user from the mobile device. The system, then, determines a travel time based on the distance and the health profile. Next, the system executes an elevator call for the elevator with respect to the travel time.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: December 27, 2022
    Assignee: OTIS ELEVATOR COMPANY
    Inventor: Srinivasa Rao Ladi
  • Patent number: 11535488
    Abstract: Elevator systems having an elevator machine connected to an elevator car within an elevator shaft, the elevator shaft including a plurality of landings, at least one first sensor assembly attached to the elevator car, at least one second sensor assembly arranged within the elevator shaft and configured to interact with the at least one first sensor assembly, and a computing system in communication with at least one of the at least one first sensor assemblies and the at least one second sensor assemblies such that the computing system receives at least one of signals or data from the at least one of the at least one first sensor assemblies and the at least one second sensor assemblies. The at least one first sensor assemblies and the at least one second sensor assemblies form a contactless position sensing system for determining a position of the elevator car within the elevator shaft.
    Type: Grant
    Filed: May 10, 2018
    Date of Patent: December 27, 2022
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: David Ginsberg, Ronnie E. Thebeau, David Alun James
  • Patent number: 11535491
    Abstract: A method of verifying a trapped passenger alarm in an elevator system including an elevator car including a sensing apparatus mounted in the elevator car. The method includes obtaining at least one of acceleration of the elevator car and air pressure within the elevator car from the sensing apparatus; detecting the trapped passenger alarm; determining that the trapped passenger alarm is one of a valid trapped passenger alarm and a false trapped passenger alarm in response to the at least one of acceleration of the elevator car and air pressure within the elevator car.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: December 27, 2022
    Assignee: OTIS ELEVATOR COMPANY
    Inventor: Derk Oscar Pahlke
  • Patent number: D974934
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: January 10, 2023
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Robert Costabile, Harold Terry, Danny Seheon Lee, Hak Cheol Kim, Bruce F. Gallo, Andrew Zielke