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公开(公告)号：US20250059003A1
公开(公告)日：2025-02-20
申请号：US18802383
申请日：2024-08-13
Applicant: Otis Elevator Company
Inventor： Wei Wang , Ran Li , Cesar Augusto Belchior de Carvalho , Jun Ma , Baoyu Wang , YiSung Kwon , Zhaoxia Hu , Jing Xia
Abstract: An automatic conveyor device including an entrance platform footboard, an exit platform footboard, and a series of steps running in a loop between the entrance platform footboard and the exit platform footboard; a first comb plate and a second comb plate respectively connected to the entrance platform footboard and the exit platform footboard through a comb support plate; and a first warning device disposed in the vicinity of the entrance platform footboard or the exit platform footboard, where the first warning device includes a projection device that projects a light beam along a width direction in the vicinity of the first comb plate or the second comb plate.
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2.发明申请公开(公告)号：US20240375913A1
公开(公告)日：2024-11-14
申请号：US18511524
申请日：2023-11-16
Applicant: Otis Elevator Company
Inventor： Wei Wang
IPC: B66B7/06
Abstract: A connection device and a connection method for detection of a tension member for an elevator. The connection device includes a plurality of electrical connection terminals and is configured to be detachably connected to an end portion of a tension member for an elevator. The tension member is configured for suspending an elevator car and/or a counterweight and has a covering layer and a load-bearing portion including a plurality of separate load-bearing core wires and covered by the covering layer. The respective one ends of the plurality of electrical connection terminals are electrically connected correspondingly to the load-bearing core wires located at the end portion and exposed outwardly and respective other ends are used for outward electrical connection, after the connection device is connected to the end portion.
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公开(公告)号：US11858780B1
公开(公告)日：2024-01-02
申请号：US17989238
申请日：2022-11-17
Applicant: Otis Elevator Company
Inventor： Wei Wang , Decheng Meng , Yong Zhao
Abstract: A governor assembly, an elevator safety device, and an elevator system. The governor assembly includes: a bracket; a rotatable rope sheave mounted on the bracket; and a centrifugal mechanism associated with the rope sheave, a plurality of centrifugal members being capable of unfolding under an inertial force associated with the speed of the rope sheave; the centrifugal mechanism includes: a plurality of centrifugal members pivotally connected to the rope sheave; and a retaining mechanism by which the plurality of centrifugal members are retained in a contraction position; the retaining mechanism is configured to retain the plurality of centrifugal members in the contraction position when the speed of the rope sheave increases to a first threshold with an acceleration smaller than a first acceleration.
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公开(公告)号：US20230129178A1
公开(公告)日：2023-04-27
申请号：US17832272
申请日：2022-06-03
Applicant: Otis Elevator Company
Inventor： Wei Wang , Ming Zhang
Abstract: An elevator traction belt cleaning device and an elevator system. The elevator traction belt cleaning device includes: a set of slide rails installed to fixed positions in an elevator system; and a cleaning assembly having a cleaning opening for a traction belt to pass through, a sand removing member installed at the cleaning opening, and a set of slide blocks; in which the cleaning assembly is slidably installed between the set of slide rails through the set of slide blocks.
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公开(公告)号：US20230128264A1
公开(公告)日：2023-04-27
申请号：US17836415
申请日：2022-06-09
Applicant: Otis Elevator Company
Inventor： Wei Wang
Abstract: A device and a method for detecting elevator rope elongation, and an elevator. An elevator rope is connected to a rope head device and an operating device in an elevator, and the device for detecting elevator rope elongation includes: one and more brackets connected to an elastic reset member in the rope head device, a coupling member connected to at least one of the brackets and configured to be driven into a trigger position by the at least one bracket when the displacement of the elastic reset member exceeds a threshold value due to reduction of compression amount, and a trigger connected to the coupling member and configured to be triggered to generate a trigger signal when the coupling member is driven into the trigger position.
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Patent Agency Ranking
公开(公告)号：US20220185624A1
公开(公告)日：2022-06-16
申请号：US17392707
申请日：2021-08-03
Applicant: Otis Elevator Company
Inventor： Zhenyan Tong , Qirui Wang , Wei Wang
Abstract: A pit leveling device for elevators, a leveling method and an elevator system. The pit leveling device includes a base having supporting portions and a plurality of supporting feet, wherein the plurality of supporting feet are detachably disposed below the supporting portions; a plurality of lifting devices disposed below the supporting portions for pushing the supporting portions away from at least a part of the supporting feet during an upward movement; and height compensators detachably disposed in gaps where the supporting portions are pushed away from at least a part of the supporting feet by the lifting devices.
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公开(公告)号：US20230027334A1
公开(公告)日：2023-01-26
申请号：US17828790
申请日：2022-05-31
Applicant: Otis Elevator Company
Inventor： Wei Wang
IPC: B66B5/16
Abstract: An elevator safety system and elevator equipment. The elevator safety system includes a safety unit which has a safety device and a trigger, the trigger is connected with the safety device and outputs an acting force from its output end to the safety device for actuating the safety device to perform safety operation to the elevator, the safety unit further includes a force amplifying device provided between the trigger and the safety device for amplifying the acting force output from the output end and then transmitting the amplified acting force to the safety device.
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公开(公告)号：US20220144587A1
公开(公告)日：2022-05-12
申请号：US17388770
申请日：2021-07-29
Applicant: Otis Elevator Company
Inventor： Ming Zhang , Yong Zhao , Wei Wang
IPC: B66B5/04
Abstract: 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.
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公开(公告)号：US11891276B2
公开(公告)日：2024-02-06
申请号：US17726239
申请日：2022-04-21
Applicant: Otis Elevator Company
Inventor： Wei Wang , Fujun Yang
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.
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公开(公告)号：US11702317B2
公开(公告)日：2023-07-18
申请号：US17390381
申请日：2021-07-30
Applicant: Otis Elevator Company
Inventor： Yunkang Shi , Zhenyan Tong , Wei Wang , Min Wang
CPC classification number: B66B5/027 , B66B11/043 , B66B11/0415
Abstract: A force application assembly, an elevator and a method of elevator rescue. The force application assembly is provided for applying a force to an elevator car when the elevator car and a counterweight are in a balanced state, and the force application assembly includes: a first attachment portion, which is configured to be removably attached to an elevator hoistway; a second attachment portion, one end of which is removably fixed relative to the elevator car or the counterweight, and which is configured to be at least partially elastic; an actuation portion connected between the first attachment portion and the second attachment portion, wherein the first attachment portion is configured to be fixed relative to the actuation portion, and the second attachment portion is configured to be movable relative to the actuation portion; and an operation portion, which is associated with the actuation portion.
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