Patents Assigned to Otis Elevator Company
  • Mobile-based equipment service system using encrypted code offloading
    Patent number: 10116635
    Abstract: A mobile-based equipment service system includes a remote server, a mobile device, and at least one equipment controller. The mobile device includes a user interface, and is configured to send a user authentication message, initiated by a user via the user interface, to the remote server. The remote server is configured to verify the user via the user authentication message and once verified, send an encrypted blob to the mobile device in response to the user authentication message. At least one equipment controller is configured to receive and decrypt the encrypted blob from the mobile device.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: October 30, 2018
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Devu Manikantan Shila, Arthur T. Grondine, Michael Garfinkel, Teems E. Lovett
  • Active damping of a hovering elevator car based on vertical oscillation of the hovering elevator car
    Patent number: 10099894
    Abstract: A system and a method are provided for damping vertical oscillations of an elevator car hovering at an elevator landing. The system includes a sensor, a controller and an elevator machine connected to a traction sheave. The sensor is adapted to provide a sensor signal indicative of rotation of the traction sheave, wherein the rotation of the traction sheave corresponds to the vertical oscillations of the hovering elevator car. The controller is adapted to provide a control signal based on the sensor signal. The elevator machine is adapted to reduce the vertical oscillations of the hovering elevator car by controlling the rotation of the traction sheave based on the control signal.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: October 16, 2018
    Assignee: Otis Elevator Company
    Inventors: Randall K. Roberts, Amir Lotfi, Ismail Agirman
  • Self-braking gear and people conveyor comprising a self-braking gear
    Patent number: 10094437
    Abstract: A self-braking gear (2) comprises: an input shaft (4), an output shaft (6), a braking mechanism (8), which is configured for braking the output shaft (6), and a planetary gear (10). The planetary gear (10), which is connected between the input shaft (4) and the output shaft (6), is configured to activate the braking mechanism (8) in order to brake the output shaft (6), when no torque is provided via the input shaft (4). The self-braking gear (2) may be employed in a people conveyor (50) such as an escalator.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: October 9, 2018
    Assignee: OTIS ELEVATOR COMPANY
    Inventor: Philipp Schedl
  • System and method for distant gesture-based control using a network of sensors across the building
    Patent number: 10095315
    Abstract: A gesture and location recognition system and method are provided. The system includes a sensor device that captures a data signal of a user and detects a gesture input from the user from the data signal, wherein a user location can be calculated based on a sensor location of the sensor device in a building and the collected data signal of the user, a signal processing device that generates a control signal based on the gesture input and the user location, and in-building equipment that receives the control signal from the signal processing device and controls the in-building equipment based on the control signal.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: October 9, 2018
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Jaume Amores-Llopis, Alan Matthew Finn, Arthur Hsu
  • Remote inspection of passenger conveyors
    Patent number: 10093518
    Abstract: The remote inspection device for a passenger conveyor includes at least one camera mounted directly above the passenger conveyor for monitoring external conditions of the passenger conveyor, a remote controller for performing a remote visual inspection using the camera, a passenger conveyor controller for operating the passenger conveyor at a normal speed during a normal operation and for operating the passenger conveyor at a slower speed or bringing it to a complete stop during a remote visual inspection, and a sensor connected to the passenger conveyor controller and arranged in the vicinity of the entrance of the passenger conveyor for detecting the presence of a passenger approaching the entrance of the passenger conveyor.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: October 9, 2018
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Hisanori Seki, Atsushi Yamada
  • Intelligent building system for altering elevator operation based upon passenger identification
    Patent number: 10087046
    Abstract: The disclosure herein includes a method for controlling elevators by an intelligent building system. The method includes receiving, by the intelligent building system, elevator calls initiated by passengers. Each elevator call can include a passenger identification corresponding to a passenger initiating the elevator call. The method further includes procuring passenger preference information based on the passenger identifications in response to the elevator calls and grouping the passengers with respect to the passenger preference information to produce passenger groups. The method further includes controlling the elevators to collect the passenger groups.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: October 2, 2018
    Assignee: OTIS ELEVATOR COMPANY
    Inventor: Jason R. Armistead
  • Enhanced deceleration propulsion system for elevators
    Patent number: 10087044
    Abstract: An elevator system includes a first propulsion system for imparting linear motion to an elevator car. The elevator system includes a controller generating control signals for the first propulsion system. The elevator system includes a brake for holding the elevator car. The elevator system includes an energy storage unit. The elevator system includes a second propulsion system. The controller is configured to at least one of (i) access the energy storage unit to power at least one of the first propulsion system and second propulsion system upon a fault during upward travel of the elevator car (ii) power the second propulsion system upon a fault in the first propulsion system during upward travel of the elevator car and (iii) delay applying the brake until the elevator car speed is less than a threshold upon a fault during upward travel of the elevator car.
    Type: Grant
    Filed: January 17, 2013
    Date of Patent: October 2, 2018
    Assignee: OTIS ELEVATOR COMPANY
    Inventor: Richard N. Fargo
  • Motion profile for empty elevator cars and occupied elevator cars
    Patent number: 10081513
    Abstract: A method of operating an elevator system is provided. The method comprising: detecting an occupancy status of the elevator car, the occupancy status comprising at least one of occupied and unoccupied; selecting a motion profile of the elevator car in response to the occupancy status, the motion profile comprising at least one of an unoccupied motion profile, an occupied motion profile, an occupied lateral movement motion profile, a power-save motion profile, and an occupied descent motion profile; and moving the elevator car in accordance with the motion profile selected.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: September 25, 2018
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Arthur Hsu, David Ginsberg, Jose Miguel Pasini
  • Elevator machine and stator support structure
    Patent number: 10081518
    Abstract: Embodiments are directed an elevator machine comprising: a stator assembly, and a plurality of support plates coupled to the stator assembly, wherein a respective at least one of the support plates is coupled on each end of the stator assembly and configured to enable the stator assembly to expand radially and axially in a substantially uniform manner over a range of temperatures.
    Type: Grant
    Filed: May 22, 2014
    Date of Patent: September 25, 2018
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: James L. Hubbard, Zlatko Strbuncelj
  • HALBACH ARRAY ASSEMBLY
    Publication number: 20180269765
    Abstract: A Halbach array assembly has a magnetic layer that includes a plurality of permanent magnets and a structural layer attached to a top side of the magnetic layer. The structural layer includes a plurality of rods that support the magnetic layer. The Halback array assembly further includes a plurality of clamps that attach to the structural layer, providing an attachment point for the Halbach array assembly.
    Type: Application
    Filed: February 2, 2016
    Publication date: September 20, 2018
    Applicant: Otis Elevator Company
    Inventors: Richard N. Fargo, Wojciech Szelag, Cezary Jedryczka, Adam Marian Myszkowski, Zbigniew Piech
  • ELEVATOR SYNCHRONOUS DOOR KNIFE
    Publication number: 20180265332
    Abstract: A synchronous door knife includes a track frame and a bottom plate, the back of the bottom plate is hinged with a stop arm, a transmission arm and a lock plate, a front end of the stop arm is provided with a guide wheel, upper and lower portions of the front of the bottom plate are respectively hinged with rotating arms, the upper rotating arm is linked with the transmission arm through a draw bar, one end of the rotating arms is hinged with a first blade, the other end is hinged with a movable plate, the movable plate is hinged with unlock rotating arms, one end of the unlock rotating arms is hinged with a second blade, and the other end abuts against the lock plate.
    Type: Application
    Filed: January 12, 2016
    Publication date: September 20, 2018
    Applicant: Otis Elevator Company
    Inventors: XiaoBo Zhang, QingXi Cai, XiaoXiao Dong, Chong Chen
  • Lubricant distributor
    Patent number: 10072795
    Abstract: A lubricant distributor of a lubrication system configured to lubricate one or more components of a passenger conveyor is provided including a housing having an input opening, a plurality of output openings and a shaft opening. A valve stem including a bore and a plurality of lubricant outlets is generally arranged within the shaft opening. The bore is configured to fluid couple the input opening to each of the lubricant outlets. Each lubricant outlet is associated with and configured to provide lubricant to at least one of the plurality of output openings at a distinct position of the valve stem. The lubrication system may include multiple lubricant distributors connected by a lubrication fluid circuit having a pump, motor and lubricant source.
    Type: Grant
    Filed: October 29, 2013
    Date of Patent: September 11, 2018
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Michal Dlouhy, Zdenek Bazala
  • Detection of state of engagement between step and comb plate of passenger conveyor
    Patent number: 10071884
    Abstract: The present invention relates to the field of passenger conveyor technologies, and provides an engaging state detection system of a passenger conveyor and a detection method thereof. In the engaging state detection system and detection method of the present invention, a depth sensing sensor is used to sense at least an engaging portion between a step and a comb plate of the passenger conveyor to obtain depth maps, and the depth maps are analyzed by a processing apparatus to detect whether an engaging state between the step and the comb plate is a normal state. The detection of the engaging state includes detection on whether comb teeth of the comb plate are broken, whether engaging teeth of the step are broken, and/or whether a foreign matter exists on an engaging line.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: September 11, 2018
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: JianGuo Li, Nigel Morris, Alois Senger, Jianwei Zhao, ZhaoXia Hu, Qiang Li, Hui Fang, Zhen Jia, Anna Su, Alan Matthew Finn, LongWen Wang, Qian Li, Gero Gschwendtner
  • Sensor fusion for passenger conveyance control
    Patent number: 10074017
    Abstract: A fusion based passenger tracking system includes one or more 2D/3D sensors for capturing 2D/3D data; one or more security sensors for capturing security data; and a processing module in communication with the one or more 2D/3D sensors to receive the 2D/3D data, and the one or more security sensors to receive the security data, the processing module uses the 2D/3D data and the security data to calculate passenger data to generate a passenger tracking list that tracks each individual passenger in the passenger data.
    Type: Grant
    Filed: April 4, 2016
    Date of Patent: September 11, 2018
    Assignee: Otis Elevator Company
    Inventors: Zhen Jia, Hui Fang, Arthur Hsu, Alan Matthew Finn
  • Low profile drive unit for elevator system
    Patent number: 10071880
    Abstract: A drive unit for an elevator system, the drive unit including a multilayer, power circuit board; a first DC link formed in a layer of the power circuit board; a second DC link formed in a layer of the power circuit board; a first switch having a first terminal, the first switch mounted to a surface of the power circuit board; a first via electrically coupling the first terminal to the first DC link; a second switch having a second terminal, the second switch mounted to the surface of the power circuit board; and a second via electrically coupling the second terminal to the second DC link; the first via conducting heat from the first switch to the first DC link; the second via conducting heat from the second switch to the second DC link.
    Type: Grant
    Filed: February 21, 2013
    Date of Patent: September 11, 2018
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Andreas Tutat, Ibrahim Ia Atalmis, Herbert Horbrügger, Marvin Dehmlow
  • Method of making a cord and polymer jacket assembly having a flame retardant in the polymer jacket material
    Patent number: 10072162
    Abstract: An illustrative method of making an elevator load bearing member having at least one elongated tension member at least partially covered by a jacket includes mixing a flame retardant with a polymer material. The flame retardant is selected from a group consisting of (i) a halogen-free melamine based intumescent comprising melamine cyanurate, melamine-phosphate, melamine pyrophosphate or melamine polyphosphate in an amount up to about 20% by weight of the thermoplastic polymer or (ii) a filled polymer having a nanoscale filler chemically bonded to a matrix phase. Applying the mixed flame retardant and polymer material to the tension member forms a jacket of a desired shape.
    Type: Grant
    Filed: June 10, 2013
    Date of Patent: September 11, 2018
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Xiaomei Yu, Gopal R. Krishnan, John P. Wesson, John M. Milton-Benoit, Wayde R. Schmidt
  • Safety system for use in a drive system
    Patent number: 10071881
    Abstract: A safety system for use in a drive system includes first and second safety sensors that provide respective first and second sensor signals indicative of a safety condition of the drive system. The safety system includes a safety device that processes the first and second sensor signals to determine a safety state of the drive system, and that controls a unit of the drive system based on the safety state. The safety device includes a multi-core processor having first and second processing cores. In some embodiments, the first and second processing cores receive and process the respective first and second sensor signals in parallel to determine the safety state. In other embodiments, each of the first and second processing cores receive both the first and second sensor signals, and each of the first and second processing cores process both the first and second sensor signals to determine the safety state.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: September 11, 2018
    Assignee: Otis Elevator Company
    Inventor: Peng Zhao
  • Wedge clamp type termination for elevator tension member
    Patent number: RE47035
    Abstract: A tension member termination device optimized for terminating flat tension members having compressible outer coatings, the device including a wedge and a socket each having cooperating surfaces positioned at a predetermined angle for clamping the tension member therebetween. The angle reliably secures the tension member while avoiding deleterious pressure and stress upon the tension member. The invention also provides a safety clamp for optional use with the tension member termination device.
    Type: Grant
    Filed: March 19, 2004
    Date of Patent: September 11, 2018
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Richard J. Ericson, Dennis J. Rehmer, Pedro Baranda
  • Display screen or portion thereof with transitional graphical user interface
    Patent number: D830406
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: October 9, 2018
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Emily Baldi, Matt Anderson, Paul Sieka, Harrison Daniels, Paul A. Simcik, Sheryl Brothers, Kelly Martin Dubois, Staci Weixlmann, Chris Sukovich
  • Operating/display panel
    Patent number: D831639
    Type: Grant
    Filed: August 21, 2017
    Date of Patent: October 23, 2018
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Harold Terry, Robert Costabile, Danny Seheon Lee, Hak Cheol Kim, Bruce F. Gallo, Andrew Zielke, Paul Stranieri