Patents Assigned to Otis Elevator Company
  • Patent number: 10800635
    Abstract: An elevator door wedge monitoring system is provided. The elevator door wedge monitoring system comprising: an engagement sensing system configured to detect an engagement parameter, wherein the engagement parameter indicates whether an elevator door wedge is properly engaged with an elevator door; a communication device in electronic communication with the engagement sensing system and configured to receive the engagement parameter from the engagement sensing system; and an application installed on a user device in wireless communication with the communication device; wherein the communication device is configured to transmit the engagement parameter to the application.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: October 13, 2020
    Assignee: OTIS ELEVATOR COMPANY
    Inventor: Ezhil Nanjappan
  • Patent number: 10800638
    Abstract: An elevator system (20) is provided including a hoistway (22) and an elevator car (24) movable within the hoistway (22) between a plurality of landings (26). The elevator car (24) includes at least one air scoop (70) configured to fluidly couple an interior of the elevator car (24) to the hoistway (22) such that a controlled fluid flow may pass there between. The hoistway (22) may or may not include a ventilation opening (50) configured to couple the hoistway (22) to an air source disposed outside of the hoistway (22).
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: October 13, 2020
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Guillaume Bonatre, Sebastien Mougin, Rene Gonzalez
  • Patent number: 10800637
    Abstract: A belt for suspending and/or driving an elevator car includes a plurality of tension elements extending along a length of the belt and a plurality of belt fibers transverse to the plurality of tension elements and interlaced therewith. The belt fibers define at least one traction surface of the belt. An edge fiber is located at a lateral end of the belt transverse to and secured to the plurality of belt fibers to secure the belt fibers in a selected position.
    Type: Grant
    Filed: February 18, 2014
    Date of Patent: October 13, 2020
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Wenping Zhao, John P. Wesson, Daniel A. Mosher, Scott Alan Eastman
  • Patent number: 10793394
    Abstract: A self-propelled elevator system includes a hoistway (11) including a plurality of drives (40), wherein each of the plurality of drives includes a stationary portion (16) of a propulsion system and a controller (30) configured to operate the stationary portion of the propulsion system. The propelled elevator system also includes an elevator car ((14), 42) comprising a processor (44) and a transceiver (48), wherein the transceiver is configured to communicate with the controllers of one or more of the plurality of drives that are adjacent to the elevator car and one or more sensors (46) disposed on the elevator car, wherein the processor is configured to receive signals from the one or more sensors. The processor is configured to control a movement of the elevator car within the hoistway.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: October 6, 2020
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: David Ginsberg, Dang V. Nguyen
  • Patent number: 10793398
    Abstract: A conveyance element (20) for a people conveyor (1) is configured for being moved in a conveyance direction. The conveyance element (20) comprises a tread plate (24) configured for supporting passengers and at least one protection element (28, 29) configured for collecting items and/or fluids. The tread plate (24) has a longitudinal extension extending parallel to the conveyance direction and a lateral extension extending transversely to the conveyance direction. The at least one protection element (28, 29) is arranged below the tread plate (24), when the conveyance element (20) is arranged in an upright orientation, and it extends beyond at least one end (23) of the tread plate (24) in the conveyance direction.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: October 6, 2020
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Alexander Turek, Thomas Illedits
  • Patent number: 10787341
    Abstract: Elevator control system, comprising an elevator control device for operating an elevator car which is adapted to be operated within an elevator shaft, and an inspection control station configured to communicate with the elevator control device for operating at least one function of an elevator system in an inspection or maintenance operation mode, and configured for attachment at a storing location, wherein the storing location is at the elevator car or within the elevator shaft or in proximity of the elevator shaft. The inspection control station is adapted to be detachable from the storing location and configured to operate as remote inspection control station when detached from the storing location through wireless communication with the elevator control device, and is configured to be movable and operable in the inspection or maintenance operation mode from inside and outside of the elevator car and within the elevator shaft.
    Type: Grant
    Filed: July 1, 2015
    Date of Patent: September 29, 2020
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Peter Herkel, Michael Mann, Helmut Lothar Schroeder-Brumloop, Pascal Rebillard, Igor Kuzmin
  • Patent number: 10787340
    Abstract: A method of operating an elevator system for a learn run sequence including the steps of moving, using a linear propulsion system, an elevator car through a lane of an elevator shaft at a selected velocity; detecting, using a sensor system, the location of the elevator car when it moves through the lane; controlling, using a control system, the elevator car, the control system being in operable communication with the elevator car, the linear propulsion system, and the sensor system; and determining, using the control system, a location of each of the car state sensors relative to each other within the lane in response to at least one of a travel time of the elevator car, a velocity of the elevator car, a position of the elevator car, and a height of the elevator car.
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: September 29, 2020
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: David Ginsberg, Shashank Krishnamurthy, Lei Xing, Penghe Geng, Ankit Anand Gupta, Yogesh Parmod Jadhav, Basavanagouda Goudra, Pramod Mandikal Gurukumar
  • Patent number: 10781076
    Abstract: An elevator buffer system includes a buffer (44), a frame (30) spaced above the buffer, a platform (48) spaced above the frame, and a pre-compressed pad device (52) disposed between the frame and the platform and engaged to one of the frame and the platform. The system is constructed to move between a non-strike position, where the pre-compressed pad device is spaced from the other of the frame and the platform; a mid-strike position, where the pre-compressed pad device is in contact with the other of the frame and the platform; and a full-strike position, where the pre-compressed pad device is further compressed against the other of the frame and the platform.
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: September 22, 2020
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Antoine Adrian Blanchard, Denis Gauthier
  • Patent number: 10781075
    Abstract: A device for a friction force provider for an emergency safety actuator for an elevator is disclosed. The friction force provider may include a housing having a first end and an opposing second end, where the first end may define an opening. The friction force provider may further include a primary magnet positioned within the housing and configured to move between an armed position and a working position. The primary magnet may be configured to create a force on a rail of an elevator system in the working position and be held within the housing in the armed position.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: September 22, 2020
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Tadeusz Witczak, Daryl J. Marvin, Zbigniew Piech
  • Patent number: 10773929
    Abstract: A belted elevator system (10) includes a hoistway (14) and an elevator car (12) suspended in the hoistway (14) via a suspension member (16) and drivable along the hoistway (14). The suspension member (16) is routed over a plurality of sheaves (18). A sheave (18) of the plurality of sheaves includes a shaft (36) defining a central axis of the sheave (18), the sheave (18) rotatable about the central axis. A sheave outer member (38) is operably connected to the shaft (36) and rotatable about the central axis. The sheave outer member (38) includes a sheave outer surface (44) interactive with the suspension member (16). The sheave outer member (38) is formed from a molded plastic material.
    Type: Grant
    Filed: July 30, 2015
    Date of Patent: September 15, 2020
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Jun Ma, Peter Keyo, Brad Guilani, Gopal R. Krishnan, David J. Lanesey, John P. Wesson, David R. Polak, Vijay Jagdale
  • Patent number: 10773922
    Abstract: A drive and motor system and method for a six phase machine with negligible common-mode voltage is provided. The six-phase machine includes six phase windings divided into at least two windings groups configured to generate a zero common-mode pulse width modulation. The drive and motor system and method can also include at least one direct current source and a six phase inverter switching between positive and negative power of the at least one direct current source.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: September 15, 2020
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Dong Jiang, Shashank Krishnamurthy, Daryl J. Marvin
  • Patent number: 10773926
    Abstract: A belt for an elevator system includes a plurality of tension members arranged along a belt width and extending longitudinally along a length of the belt, a jacket material at least partially encapsulating the plurality of tension members, and a primary overlay layer applied to one or more of the plurality of tension members or at least a portion of the jacket material. An elevator system includes a hoistway, an elevator car 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 belt length, a jacket material at least partially encapsulating the plurality of tension members, and a primary overlay layer applied to one or more of the plurality of tension members or at least a portion of the jacket material.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: September 15, 2020
    Assignee: OTIS ELEVATOR COMPANY
    Inventor: Wenping Zhao
  • Patent number: 10766739
    Abstract: An assembly 28 for actuating and controlling braking of a car of an elevator system is provided. The assembly includes at least one braking device 20 mounted on the car, supported between the car and a hoistway for movement with the car within the hoistway, and configured to apply a braking force to the car. The assembly also includes at least one corresponding actuator 34 supported by the hoistway and configured to selectively engage the braking device to prevent movement of the car.
    Type: Grant
    Filed: January 19, 2016
    Date of Patent: September 8, 2020
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Richard N. Fargo, Xiaodong Luo, Enrico Manes
  • Patent number: 10767077
    Abstract: A method of surface treating a load-bearing member comprising a tension member and a polymer jacket around the tension member is disclosed. According to the method, a liquid composition including water, a water-soluble organic polyol or a water-soluble organic polymer, and a surfactant is applied to a surface of the polymer jacket.
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: September 8, 2020
    Assignee: OTIS ELEVATOR COMPANY
    Inventor: Chen Qian Zhao
  • Patent number: 10772226
    Abstract: An additional cover provides a cabinet with protection from fluidic ingress. The additional cover includes first and second portions having first and second main sections, respectively, and first and second flanges, respectively, and first and second sidewalls extending between corresponding sidelong edges of at least the first and second main sections. The first and second portions and the first and second sidewalls are arranged to define a flow passage with an inlet at an upper end thereof and an outlet at a lower end thereof. The first and second flanges are provided at the inlet and outlet, respectively, to prevent fluid flow through the flow passage.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: September 8, 2020
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Shizhong Zhou, Gang Xing, LongWen Wang
  • Patent number: 10766746
    Abstract: Disclosed is a liner for a traction sheave including a top surface and a bottom surface mutually spaced on a height-wise axis (H), a front surface and a back surface mutually spaced on lengthwise axis (L), and a plurality of side surfaces including a first side surface and a second side surface mutually spaced in a widthwise axis (W), wherein in a first cross sectional profile of the plurality of side surfaces forms convergent-divergent profile.
    Type: Grant
    Filed: August 17, 2018
    Date of Patent: September 8, 2020
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: James L. Hubbard, David R. Torlai, Peter Keyo
  • Patent number: 10766738
    Abstract: A ropeless elevator system includes a plurality of elevator cars configured to travel in a hoistway having at least one lane, a propulsion system to impart force to each elevator car of the plurality of elevator cars, and a controller. The controller is programmed to operate in an in-group mode where the plurality of elevator cars perform service demands, an out-of-group mode where at least one selected elevator car of the plurality of elevator cars is prevented from performing the group service mode service demands, and a transition mode where the at least one selected elevator car is prepared and transitioned from operation in the in-group mode to operation in the out-of-group mode.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: September 8, 2020
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Arthur Hsu, David Ginsberg, Jose Miguel Pasini
  • Patent number: 10766740
    Abstract: The present invention relates to location recognition and recovery of an elevator system, and belongs to the technical field of elevators. The elevator system of the present invention has a location recovery/recognition system comprising: a landing floor information component or a calling component, a sensing component arranged corresponding to each landing floor information component or calling component and coupled to the landing floor information component or calling component, and a trigger component mounted on the elevator car.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: September 8, 2020
    Assignee: OTIS ELEVATOR COMPANY
    Inventor: GuoSong Li
  • Patent number: 10759631
    Abstract: The present invention provides a remote trigger device, a speed limiter assembly having the same and an elevator. The remote trigger device for the speed limiter assembly comprises: an actuator; and a rotating component, the rotating component being capable of rotating around a rotating axis in a rotating plane, the rotating component being actuated by the actuator to rotate from an idle position to a working position. During rotation of the speed limiter assembly, at the idle position, the rotating component is kept separated from an over-speed locking mechanism of the speed limiter assembly, and at the working position, the rotating component toggles a trigger member of the over-speed locking mechanism of the speed limiter assembly to trigger the speed limiter assembly. The structure of the remote trigger device according to the present invention is compact and simple.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: September 1, 2020
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Zhengbao Shi, Randall S. Dube, Yong Zhao, Min Wang
  • Patent number: D899522
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: October 20, 2020
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Xiaofei Guo, Robert Costabile, Danny Seheon Lee