Patents Assigned to Otis Elevator Company
  • Patent number: 11912534
    Abstract: A safety net system is provided for an elevator system that includes an elevator pit. The safety net system includes a sensor and a processor. The sensor is arranged in a plane along a bottom of the elevator pit and is configured to perform sensing to sense an object disposed along the plane and to generate data corresponding to results of the sensing. The processor is operably coupled to the sensor and is configured to analyze the data and to determine whether the data is indicative of a person in the elevator pit based on analysis results.
    Type: Grant
    Filed: June 12, 2023
    Date of Patent: February 27, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Randy Roberts, Johanna Whitwell, Craig Drew Bogli, Kyler Vensel
  • Patent number: 11912538
    Abstract: A buffer device (121) for an elevator system (100), the buffer device (121) including a first contact structure (501) and a second contact structure (503). The first contact structure (501) includes a first contact surface (505), and the second contact structure (503) includes a second contact surface (507). The first contact surface (505) and the second contact surface (507) are arranged for contacting respective vertically offset surfaces of an elevator car (101) or counterweight (109).
    Type: Grant
    Filed: June 22, 2022
    Date of Patent: February 27, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Javier Munoz Sotoca, Luis Mena
  • Patent number: 11912537
    Abstract: An elevator safety brake (300) for use in an elevator system, the safety brake includes a safety block (310) substantially made of a polymeric material or a polymer-based composite material. The safety block (310) comprising: an elongate channel (320) defining a channel axis (325), wherein the elongate channel (320) is for receiving an elevator guide rail (330) of the elevator system when in use; and a cavity (340). The safety brake (300) further comprises a first braking component (250, 350) housed in the cavity (340), wherein the first braking component (250, 350) comprises a body (360) and a first braking surface (370). The safety brake (300) further comprises a second braking component (380) comprising a second braking surface (390). The first braking component (250, 350) is arranged on one side of the elongate channel and the second braking component is arranged on the other side of the elongate channel.
    Type: Grant
    Filed: June 22, 2022
    Date of Patent: February 27, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Javier Munoz Sotoca, Luis Mena
  • Patent number: 11912533
    Abstract: According to an aspect, a method includes monitoring a plurality of vibration data by a vibration monitoring beacon and determining that the vibration monitoring beacon has been installed at a service location based on detecting an installation characteristic signature in the vibration data. The vibration monitoring beacon can transition into a learning mode based on determining that the vibration monitoring beacon has been installed at the service location. The method can also include monitoring for a learning mode termination event and transitioning the vibration monitoring beacon from the learning mode to a normal operation mode based on detecting the learning mode termination event.
    Type: Grant
    Filed: February 27, 2023
    Date of Patent: February 27, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Tadeusz Pawel Witczak, Craig Drew Bogli, Derk Oscar Pahlke, Yrinee Michaelidis
  • Patent number: 11913790
    Abstract: Disclosed is a method of communicating directions to an end destination by one or more drones, the method having steps of moving via flying motion by a first drone between a first location and a second location along a travel path therebetween, wherein the second location is the end destination or an intermediate location; and displaying indicia on a first display panel of the drone that is indicative of directions to the second location.
    Type: Grant
    Filed: May 24, 2022
    Date of Patent: February 27, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Vidyasagar Nagavelli, Rajendra Prasad Racha, Venkata Krishna Surisetty, Vinod Akkina
  • Patent number: 11917553
    Abstract: The present invention provides an automatic elevator-calling system and an automatic elevator-calling control method, belonging to the technical field of elevator intelligent control technologies. The automatic elevator-calling system and the automatic elevator-calling control method of the present invention can configure an elevator calling distance in an adjustable manner, wherein the elevator calling distance indicates a distance between a personal mobile terminal that can sense a wireless signal and a wireless signal apparatus when the personal mobile terminal automatically sends an elevator calling request command. The present invention can further improve the elevator calling experience of the passenger.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: February 27, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Adriaan Joris H. Larmuseau, Changle Li
  • Patent number: 11905142
    Abstract: An illustrative example method of controlling an elevator situated in a hoistway of a building includes detecting sway of the building, determining characteristics of the detected sway including a plurality of frequencies and associated periods of the sway, determining an expected sway of an elongated member of the elevator system based on the determined characteristics, and controlling at least one of position and movement of an elevator car in the hoistway based on the expected sway.
    Type: Grant
    Filed: March 1, 2022
    Date of Patent: February 20, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Randy Roberts, George Scott Copeland, Luis C. Encinas Carreno, Patricia Derwinski, Cuauhtemoc Castro
  • Patent number: 11905721
    Abstract: An illustrative example embodiment of an assembly includes a first platform and at least one first brace associated with the first platform. The first brace is configured to engage a surface in or near a hoistway for supporting the first platform in a vertical location near the surface. A portion of the first brace is moveable relative to the first platform between an extended position for engaging the surface and a retracted position for allowing the first platform to move relative to the surface. A second platform is vertically spaced from the first platform. An adjustment mechanism associated with the first platform and the second platform facilitates adjusting a vertical spacing between the first platform and the second platform.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: February 20, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Kurt J. Frei, Douglas N. Datema
  • Patent number: 11897725
    Abstract: A braking system for an elevator includes an electromagnetic brake operably connected to an elevator car, and a control circuit operably connected to the electromagnetic brake. The control circuit includes a switching mechanism configured to selectively modify a rate of engagement of the electromagnetic brake to selectively modify a rate of deceleration of the elevator car. The switching mechanism has a first position, a second position and a third position, to selectively modify the rate of engagement.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: February 13, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Steven M. Millett, Ismail Agirman, Amir Lotfi
  • Patent number: 11901121
    Abstract: An electronic safety actuator (1) for an elevator safety brake, includes a first solenoid (2), a magnet (3), movable by the first solenoid (2) between a first position proximate to the first solenoid (2) and a second position distal from the first solenoid (2) a second solenoid (6) and a detector (8). The detector (8) is arranged to apply an electrical signal to one of the first solenoid (2) and the second solenoid (6), and to detect an electrical signal induced in the other of the first solenoid (2) and the second solenoid (6) as a result of the applied electrical signal. There is also provided a method of detecting a condition or state of the first solenoid (2) or the magnet (3).
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: February 13, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventor: Javier Munoz Sotoca
  • Patent number: 11898776
    Abstract: An illustrative example embodiment of an elevator cab air purification device includes a housing having an inlet, an outlet, and at least one air pathway between the inlet and the outlet. A fan module is situated to cause air flow into the housing through the inlet, through the housing, and out of the housing through the outlet. The air flow through the housing includes air flow along the at least one pathway in at least a first direction. An air purifier is situated within the housing and configured to purify air that flows along the at least one pathway before the air exits the housing through the outlet.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: February 13, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Patricia Derwinski, Cuauhtemoc Castro Inzunza
  • Patent number: 11897730
    Abstract: A frictionless safety brake actuator, for use in an elevator system, includes at least two stators; a magnet array positioned between the stators; a linkage attached to the magnet array; and a biasing arrangement. The linkage is actuatable to move a safety brake into frictional engagement with an elevator guide rail. The magnet array is moveable between a first position in which the linkage is actuated and a second position in which the linkage is not actuated. The biasing arrangement is arranged to bias the magnet array towards the first position. The magnet array includes a first magnet set and a second magnet set which comprise at least one magnet each and at least three magnets in total. The magnet(s) of the first magnet set is/are arranged alternately with the magnet(s) of the second magnet set in a stack.
    Type: Grant
    Filed: November 15, 2022
    Date of Patent: February 13, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventor: Javier Muñoz Sotoca
  • Patent number: 11897726
    Abstract: A conveyance system includes a local gateway configured to communicate with a remote system over a communications network; at least one module in communication with the local gateway; the at least one module including a processor configured to perform local processing of data at the at least one module.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: February 13, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventor: Derk Oscar Pahlke
  • Patent number: 11891276
    Abstract: A safety device for an elevator system, and an elevator system. The elevator system includes a guide rope arranged in a hoistway to be used as a guide rail and a running device running along the guide rope, and the safety device includes a body which is connected to the running device, and a first component and a second component which are provided on the body and define a passage for the guide rope to pass through freely when the running device is in normal operation, the first and second components are configured for clamping the guide rope in the passage when a running speed of the running device exceeds a threshold, to restrict the speed of the running device or stop the running device.
    Type: Grant
    Filed: April 21, 2022
    Date of Patent: February 6, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Wei Wang, Fujun Yang
  • Patent number: 11884515
    Abstract: A clamping device and an elevator system. The clamping device includes: a base having a limiting space and an opening communicating with the limiting space; and a clamping arm assembly, which is arranged at the opening of the base and forms a gap with the opening in a stationary state, the gap being smaller than a size of a clamped part; in which the clamp arm assembly has a first damping force that allows the clamped part to enter the limiting space via the opening, and has a second damping force that allows the clamped part to exit the limiting space via the opening; and the second damping force is greater than the first damping force.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: January 30, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Qirui Wang, Zhenyan Tong, Ruili Zhang
  • Patent number: 11885387
    Abstract: A friction material, a preparation method therefor, and a friction part. The friction material contains the following components by weight percentage: 24%-31% of a nitrile rubber, 0.35%-1% of a vulcanizing agent, 0.35%-0.6% of a vulcanization activator, 0.4%-0.8% of a promoter, 0.06%-0.11% of a scorch inhibitor, 1.5%-2.4% of ZnO, 24%-31% of a thermoplastic phenolic resin, 1.5%-2.2% of a plasticizer and 15%-25% of white carbon black, and optionally: 0%-25% of a filler, 0-0.8% of an anti-aging agent, and 0-2.4% of MgO.
    Type: Grant
    Filed: June 3, 2022
    Date of Patent: January 30, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Ruguang Liu, Guochen Gao
  • Patent number: 11884516
    Abstract: A health monitoring system for an electrically-conductive tension member of an elevator system belt includes a transmitter including a transmitter coil configured for placement at the tension member, a receiver configured to be positioned at the tension member, and a controller operably connected to the transmitter and the receiver. The controller is configured to direct an alternating current through the transmitter coil resulting in the generation of a magnetic field and eddy currents at the transmitter coil, evaluate fluctuations in the magnetic field detected at the receiver. The fluctuations are indicative of wear or damage to the tension member.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: January 30, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventor: Kyle B. Martin
  • Patent number: 11887454
    Abstract: A system and method for monitoring an elevator operating environment. The system for monitoring the elevator operating environment includes at least one local monitoring device, a cloud computing platform, and at least one alarm module associated with the local monitoring device, wherein, each of the local monitoring devices is arranged in an operating area and is configured to: determine heat index based on temperature data and humidity data of the operating area, and output a first warning message locally; and transmit the temperature data and humidity data to the cloud computing platform regularly or irregularly, the cloud computing platform is configured to send the temperature data and humidity data to the alarm module regularly or irregularly, and the alarm module is configured to generate a third warning message based on the temperature data and humidity data and present the third warning message.
    Type: Grant
    Filed: July 20, 2022
    Date of Patent: January 30, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Kin Chun Chan, Siu Pang Ng, Tat Fung Chu
  • Patent number: 11873193
    Abstract: Elevator systems include an elevator car configured to travel along an elevator shaft, the elevator car having a car door and a car sill. One or more landings are arranged along the elevator shaft, the landings each having a landing door and a landing sill. An elevator coupling is provided that includes a car door coupling operably coupled to the car door and a landing door coupling operably coupled to the landing door. The car door coupling and the landing door coupling are selectively operable to drive operation of the car door and the landing door simultaneously and a sill gap between the car sill and the landing sill is less than 25 mm.
    Type: Grant
    Filed: January 20, 2023
    Date of Patent: January 16, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventor: Wei Wei
  • Patent number: 11876384
    Abstract: An illustrative example embodiment of a wireless power transfer device includes an inductor panel and a capacitor panel adjacent the inductor panel. The capacitor panel includes a first conductive plate adjacent one side of the inductor panel, a dielectric layer adjacent the first conductive plate, and a second conductive plate adjacent the dielectric layer on an opposite side of the dielectric layer from the first conductive plate.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: January 16, 2024
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Ben Guo, Antonio Martins