Patents Assigned to Otis Elevator Company
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Patent number: 11814788Abstract: An illustrative example assembly for making an elevator load bearing member includes a fabric having a plurality of fibers arranged with some of the fibers transverse to others of the fibers. A plurality of cords are configured to support a load associated with an elevator car. The cords are included in the fabric and have respective coatings. The coatings include a first coating material and a second coating material, or include different coating thicknesses such that some of the coatings have a different coating thickness than others of the coatings, or the coatings include the first coating material and the second coating material and some of the coatings have a different coating thickness than others of the coatings.Type: GrantFiled: April 8, 2019Date of Patent: November 14, 2023Assignee: OTIS ELEVATOR COMPANYInventors: Scott Alan Eastman, Michael Paul Humbert, Daniel A. Mosher, Wenping Zhao, Danielle L. Grolman, Brad Guilani
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Patent number: 11814266Abstract: An illustrative example embodiment of an elevator system includes a platform and a plurality of supports configured to selectively engage a nearby structure. The plurality of supports include at least a first support and a second support. The first and second supports alternate between engaging the nearby structure to support the platform while the other one of the supports is disengaged from the nearby structure. At least one of the first and second supports is configured to move relative to the platform while engaging the nearby structure to cause vertical movement of the platform.Type: GrantFiled: September 1, 2020Date of Patent: November 14, 2023Assignee: OTIS ELEVATOR COMPANYInventors: Stephen Richard Nichols, Tadeusz Pawel Witczak, John-Paul Clarke
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Patent number: 11807493Abstract: Disclosed is a method of retrofitting a legacy hoist machine including: attaching a primary brake assembly to an end surface of a machine shaft, and configuring a controller to: control the primary brake assembly to provide service braking; and control a brake drum assembly as a secondary brake assembly to thereby apply emergency braking.Type: GrantFiled: October 31, 2018Date of Patent: November 7, 2023Assignee: OTIS ELEVATOR COMPANYInventors: Christopher H. Koenig, Barry G. Blackaby, Daniel B. Davis, Gregory M. O'Seep, John Eschenbrenner, Jesse R. Richter, Gary P. Mendrala
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Patent number: 11802022Abstract: An elevator load bearing member includes a plurality of load bearing cords and a jacket at least partially surrounding the cords. The jacket includes a layer received against the cords, and a self-healing component. A method of making an elevator load bearing member is also disclosed.Type: GrantFiled: November 7, 2019Date of Patent: October 31, 2023Assignee: Otis Elevator CompanyInventor: Brad Guilani
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Patent number: 11795033Abstract: A method of unlocking an elevator car door or an elevator car includes operating a door operator and moving a movable vane operably coupled to the door operator. If the elevator car is positioned within a landing door zone, the movable vane is moved into contact with an interlock roller. An engagement latch is rotated to disengage from an electrical contact in response to moving the movable vane into contact with the interlock roller.Type: GrantFiled: August 20, 2021Date of Patent: October 24, 2023Assignee: OTIS ELEVATOR COMPANYInventors: Richard E. Kulak, Michael J. Tracey
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Patent number: 11795031Abstract: Disclosed is an elevator system having an elevator, the elevator having an elevator landing and an elevator controller, the controller capable of communicating over a network with a device, and the device may be located within an area positionally associated with the landing, the controller: receives from the device, a request for elevator service at the landing, effects monitoring the device relative to the area, effects a first response upon determining that the device is inside the area, otherwise effects a second response.Type: GrantFiled: September 9, 2019Date of Patent: October 24, 2023Assignee: OTIS ELEVATOR COMPANYInventors: Rajinikanth Pusala, Naveen Kumar Yeddi
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Patent number: 11795032Abstract: An elevator system includes a car door and a sensor module. The car door is movable relative to an elevator car by a drive mechanism. The sensor module includes a first acoustic sensor arranged to provide a first acoustic signal, a second acoustic sensor arranged to provide a second acoustic signal, and a processor arranged to receive the first acoustic signal and the second acoustic signal. The processor is programmed to, responsive to an input provided to the first acoustic sensor and the second acoustic sensor, identify a direction of an elevator system noise source based on a first time delay based on the first acoustic signal and the second acoustic signal.Type: GrantFiled: November 13, 2018Date of Patent: October 24, 2023Assignee: OTIS ELEVATOR COMPANYInventor: Derk Oscar Pahlke
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Patent number: 11787663Abstract: An elevator car (2, 2?), includes a first safety brake (8, 8?), including a first electronic safety actuator (512, 612), the first safety brake (8, 8?) positioned on a first side of the elevator car (2, 2?) at a first height (20, 20?); and a second safety brake (10, 10?), including a second electronic safety actuator (512, 612), the second safety brake (10, 10?) positioned on a second side of the elevator car (2, 2?) at a second height (22, 22?); the first height is different to the second height.Type: GrantFiled: November 7, 2022Date of Patent: October 17, 2023Assignee: OTIS ELEVATOR COMPANYInventors: Andres Monzon, Ariana Marco, Francisco Sanz, Antonio de Miguel Urquijo, Agustin Jimenez-Gonzalez, Juan-Antonio Illan, Luis Mena Rosell, Jose-Miguel Aguado-Martin, Luis Martí Sánchez, Juan Jose Fernandez
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Patent number: 11787662Abstract: A governor assembly and an elevator. The governor assembly includes: a body equipping with a trigger wheel and a guide wheel, the trigger wheel and the guide wheel being arranged to be rotatable relative to the body; a guide member extending around the trigger wheel and the guide wheel in sequence; and wherein the cross section of the guide member has a first dimension in the direction facing the trigger wheel or the guide wheel, and has a second dimension in the radial direction of the trigger wheel or the guide wheel, and wherein the first dimension is larger than the second dimension.Type: GrantFiled: July 29, 2021Date of Patent: October 17, 2023Assignee: OTIS ELEVATOR COMPANYInventors: Ming Zhang, Yong Zhao, Wei Wang
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Patent number: 11787660Abstract: A holding brake monitoring circuit system, an elevator system, and a holding brake monitoring method. The holding brake monitoring circuit system includes a plurality of opening sensors corresponding to holding brakes, wherein the number of the opening sensors is an even number greater than 3, and the opening sensors are configured to be paired to form at least two working groups, and each of the working groups is configured to output an output signal for judging status of the holding brake(s).Type: GrantFiled: November 30, 2021Date of Patent: October 17, 2023Assignee: OTIS ELEVATOR COMPANYInventors: Bichun Li, Shenhong Wang
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Patent number: 11791680Abstract: A magnet spacer and a motor. The magnet spacer includes: a first engagement portion being configured to extend along a first axis; and a second engagement portion being configured to extend along a second axis and configured to be integrally formed with the first engagement portion; wherein a predetermined angle is formed between the first axis and the second axis; wherein the shape of the first engagement portion is configured to match the shape of a recess in a motor rotor; and wherein the side shape of the second engagement portion is configured to match the side shape of a motor magnet.Type: GrantFiled: November 13, 2020Date of Patent: October 17, 2023Assignee: OTIS ELEVATOR COMPANYInventor: YaTao Li
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Patent number: 11780709Abstract: The present invention relates to a method and a system of commissioning elevator, and an elevator system. The method includes obtaining at least one operation data of at least one elevator door, comparing the operation data with corresponding criterion operation data, and determining whether a deviation between the operation data and the criterion operation data exceeds a pre-set range, and if so, triggering a control over at least one control end relevant to the operation of the elevator door to make a deviation between the operation data re-obtained and the criterion operation data fall within the pre-set range. The invention will increase the efficiency in elevator commissioning and remove the adverse effects on elevator operation caused by factors such as “Stack Effect”, and thereby ensure good working condition and high security of elevators.Type: GrantFiled: August 13, 2019Date of Patent: October 10, 2023Assignee: OTIS ELEVATOR COMPANYInventors: Changle Li, Buyun Jing, Haitao Zhou, Yun Li, Keyu Li, Xing Cai, Daniel A. Mosher
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Patent number: 11780706Abstract: A modular elevator assembly and a guide rail. The modular elevator assembly includes: a bottom module; a top module; at least one intermediate module being configured to be removably stacked between the bottom module and the top module; and wherein each of the bottom module, the top module and the intermediate module includes a plurality of guide rails, and the cross section of the guide rail includes: a first section extending along a length direction of the guide rail; a second section extending in parallel to the first section and being attached to the first section; and a transition portion connecting between the first section and the second section and being configured to provide a cross-sectional profile that transits between the first section and the second section; and wherein the guide rail further includes a connection structure, the connection structure is configured to connect the guide rails.Type: GrantFiled: July 28, 2021Date of Patent: October 10, 2023Assignee: OTIS ELEVATOR COMPANYInventors: Qirui Wang, Bichun Li, Shenhong Wang
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Patent number: 11780704Abstract: A component monitoring system for monitoring a component of a conveyance system including a conveyance apparatus including: a camera configured to capture a sequence images of the component, the sequence of images being motion data; and a processor configured to determine an evaluation summary of the component in response to at least the motion data.Type: GrantFiled: February 6, 2020Date of Patent: October 10, 2023Assignee: OTIS ELEVATOR COMPANYInventors: George Scott Copeland, Pradeep Miriyala, Rachit Sahgal, Jinho Song
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Patent number: 11767193Abstract: An illustrative example elevator system includes a plurality of elevator cars. A dispatch controller assigns a first one of the elevator cars to travel to a landing in response to a first request for elevator service at that landing. At least one call button is operative to place a second request while the first one of the elevator cars is situated at the landing in response to the first request. The dispatch controller assigns a second one of the elevator cars to travel to the landing in response to the second request.Type: GrantFiled: January 28, 2019Date of Patent: September 26, 2023Assignee: OTIS ELEVATOR COMPANYInventors: Bradley Armand Scoville, Sandeep Sudi
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Patent number: 11767194Abstract: An illustrative example elevator sensor device includes at least one sensor supported on a door of an elevator car. The sensor provides an output including an indication of at least movement of the door along at least one axis and movement of the elevator car along at least one axis. A processor associated with the at least one sensor receives the output and determines at least one characteristic of the movement of the door based on the indication of the movement of the door. The processor also determines a location of the elevator car where the movement of the door occurs based on the indication of movement of the elevator car.Type: GrantFiled: January 28, 2019Date of Patent: September 26, 2023Assignee: OTIS ELEVATOR COMPANYInventors: Tadeusz Pawel Witczak, Craig Drew Bogli, Derk Oscar Pahlke, Nikola Trcka, Yrinee Michaelidis
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Patent number: 11760606Abstract: An illustrative example elevator sill assembly includes a sill plate and at least one support arm secured to the sill plate. A mounting bracket is configured to be mounted to an elevator car. The support arm is supported on the mounting bracket to allow the support arm to pivot relative to the mounting bracket. At least one linear actuator has a moving portion that moves in a vertical direction to cause the at least one support arm to pivot relative to the mounting bracket to thereby cause the sill plate to pivot from a stored position to an actuated position.Type: GrantFiled: June 17, 2021Date of Patent: September 19, 2023Assignee: OTIS ELEVATOR COMPANYInventor: Guohong Hu
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Patent number: 11764716Abstract: A device and method for determining operating modes of an AC asynchronous three-phase motor in an escalator system and computer-readable storage medium on which a computer program for implementing the method is stored. The operating modes include a first operating mode and a second operating mode, the AC asynchronous three-phase motor adopts a triangular wiring mode and a star wiring mode in the first operating mode and the second operating mode, respectively, the device includes: a memory; a processor coupled with the memory; and a computer program stored on the memory and running on the processor, the running of the computer program causes: A. obtaining a slip rate of the AC asynchronous three-phase motor; and B. determining whether the AC asynchronous three-phase motor needs to be switched between the first operating mode and the second operating mode based on the slip rate.Type: GrantFiled: November 16, 2022Date of Patent: September 19, 2023Assignee: OTIS ELEVATOR COMPANYInventors: Lifei Cheng, Zhaoxia Hu, Xinwei Gong, Wentong Liu
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Patent number: 11760603Abstract: An elevator panel assembly comprises a detachable panel (4), for covering a front surface of an elevator car panel (2b), and a separation member (7). The separation member (7) comprises a head portion (7a) received against a back surface of the detachable panel (4). The detachable panel (4) is magnetically attachable to the elevator car panel (2b) and comprises a through hole (9) which is smaller than the head portion (7a) of the separation member (7) and arranged to sit directly over the head portion (7a). The separation member (7) is configured so that a tool inserted through the through hole (9) engages with the head portion to apply a mechanical force, causing the head portion (7a) to push against the back surface of the detachable panel (4).Type: GrantFiled: May 28, 2020Date of Patent: September 19, 2023Assignee: OTIS ELEVATOR COMPANYInventor: Juan Cortes Rodriguez
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Patent number: 11760605Abstract: The present invention relates to a system for monitoring an elevator door, an elevator system, and a method for monitoring an elevator door. The elevator door has an open state or a closed state implemented by moving along an elevator sill. The system for monitoring an elevator door includes: one or more imaging sensors configured to collect image data and depth data of at least one section in the elevator sill that is exposed when the elevator door is in the open state; and a data processing device in communication with the imaging sensor and configured to receive and process the image data and the depth data to determine whether an obstacle preventing the elevator door from entering the closed state exists in the section. By applying the present invention, the safety of the elevator door can be improved effectively, and equipment property losses and personal injuries can be avoided.Type: GrantFiled: May 23, 2019Date of Patent: September 19, 2023Assignee: OTIS ELEVATOR COMPANYInventors: Hui Fang, Zhen Jia, Walter Thomas Schmidt