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公开(公告)号：US20240199376A1
公开(公告)日：2024-06-20
申请号：US18364974
申请日：2023-08-03
摘要： A governor assembly for an elevator system. The governor assembly includes: a sheave configured to rotate about a central axis (X-X) thereof at a speed related to the speed of movement of an elevator car; a plurality of masses mounted to the sheave for rotation therewith about the central axis (X-X) and configured to move from a first radial position to a second radial position, radially outward of the first radial position, when a speed of rotation of the sheave meets or exceeds a set speed; a sensor configured to detect that the plurality of masses have reached the second radial position; and a brake moveable from a non-braking position in which the sheave is free to rotate to a braking position in which the brake contacts the sheave so as to slow or stop rotation of the sheave.
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公开(公告)号：US11993479B2
公开(公告)日：2024-05-28
申请号：US17672150
申请日：2022-02-15
申请人： KONE Corporation
发明人： Mikko Paakkinen , Lauri Stolt , Tuukka Kauppinen
摘要： An electrical converter unit and a method for reducing thermal stress of a power semiconductor switch, such as an IGBT, of an electrical converter unit, the electrical converter unit comprising at least a gate control circuit wherein the electrical converter unit controls an electrical motor. The method comprises determining load and estimating required motor current based on the determined load and/or a predetermined speed profile. The electrical converter unit has at least a first operating state and a second operating state. The second operating state is used if predetermined criteria is fulfilled, the predetermined criteria relating to at least one of the following: estimated required current, measured motor speed, temperature of the power semiconductor switch and/or electrical converter unit, temperature model of the power semiconductor switch and/or electrical converter unit. In the second operating state a lower switching frequency of the power semiconductor switch is used than in the first operating state, and in the second operating state a higher switching speed of the power semiconductor switch is used than in the first operating state.
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公开(公告)号：US20240166470A1
公开(公告)日：2024-05-23
申请号：US18204928
申请日：2023-06-01
申请人： Karen Virk
发明人： Karen Virk
CPC分类号： B66B11/0446 , B66B1/30 , B66B1/343 , B66B1/3492
摘要： Distributed drive systems with synchronized motors in accordance with embodiments of the invention are disclosed. In one embodiment, a distributed drive system for a lift is provided, the distributed drive system comprising: a first drive unit comprising: a first drive unit screw, a first motor unit concentric to the first drive unit screw, and a first drive unit nut in contact with the first drive unit screw and a carrying platform of the lift; a second drive unit comprising: a second drive unit screw, a second motor unit concentric to the second drive unit screw, and a second drive unit nut in contact with the second drive unit screw and the carrying platform of the lift; and a control feedback module operatively connected to the first and second drive units, wherein the control feedback module is configured to synchronize the first motor unit and the second motor unit.
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公开(公告)号：US11891272B2
公开(公告)日：2024-02-06
申请号：US16168502
申请日：2018-10-23
申请人： KONE Corporation
发明人： Pekka Perunka , Pekka Perälä , Tapio Tyni , Janne Öfversten , Ari Hänninen
CPC分类号： B66B1/2408 , B66B1/30 , B66B1/302 , G01R31/385 , H02J1/106 , H02J3/003 , G01R35/00
摘要： A method for allocating capacity of an energy storage associated with at least one passenger transport installation includes continuously monitoring performance data of the energy storage; obtaining first data associated with operating the at least one passenger transport installation; identifying different uses for the energy stored in the energy storage; determining an allocation of energy storage capacity available for the different uses based on the performance data and the first data; and applying the determined allocation.
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公开(公告)号：US11845636B2
公开(公告)日：2023-12-19
申请号：US17250195
申请日：2019-06-12
发明人： Cornelis Boxum
CPC分类号： B66B9/08 , B66B1/30 , B66B2201/405
摘要： A stair lift includes a movable user carrier, an authentication device comprising a signal receiver and at least two signal emitters, wherein each emitter is assigned to a different user of the stairlift, operation adjustment means, for generating a behavioral profile of the stair lift, and a control unit for controlling the stairlift. A method of operating a stair lift includes authenticating one of at least two signal emitters assigned to a first user, and adjusting the behavioral profile of the stair lift according to a stored operation profile associated with the authenticated signal emitter.
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公开(公告)号：US11780708B2
公开(公告)日：2023-10-10
申请号：US17573795
申请日：2022-01-12
CPC分类号： B66B9/0853 , B66B1/302 , B66B9/08 , B66B9/0807 , B66B9/193 , B66B11/0407 , Y02B50/00
摘要： A lift system comprises a rail and a carriage assembly comprising a seat or platform for supporting a person to be conveyed along the rail, drive means arranged to engage the rail and controllable to drive the carriage assembly along the rail, energy storage means arranged to power the drive means, input means operable by a user to provide an input signal indicative of a desired movement of the carriage assembly along the rail, and control means arranged to receive the input signal and control the drive means in response to the input signal. The system includes charging means arranged to charge the energy storage means when the carriage assembly is at a first charging position on the rail. The control means is arranged to monitor at least one voltage characteristic of the energy storage means and/or at least one operational characteristic of the stair lift, and generate an alert signal in response to one or more of those characteristics, or a difference between one or more of those characteristics, fulfilling a defined criterion, criteria, condition, or conditions.
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公开(公告)号：US11682929B2
公开(公告)日：2023-06-20
申请号：US16702630
申请日：2019-12-04
发明人： Enrico Manes
IPC分类号： H02J50/40 , B66B7/00 , H02J50/10 , B66B11/02 , H02J50/90 , H02J50/00 , H02J50/23 , B66B11/00 , H02J50/50 , B66B1/30
CPC分类号： H02J50/40 , B66B7/00 , B66B11/0226 , H02J50/00 , H02J50/10 , H02J50/90 , B66B1/306 , B66B11/00 , B66B2201/30 , H02J50/23 , H02J50/50
摘要： A wireless power transfer system for wirelessly powering a conveyance apparatus of a first conveyance system and a conveyance apparatus of a second conveyance system including: a wireless electrical power transceiver located along a surface of the conveyance apparatus of the first conveyance system, a wireless electrical power transceiver located along a surface of the conveyance apparatus of the second conveyance system, the surface of the conveyance apparatus of the second conveyance system being opposite of the surface of the conveyance apparatus of the first conveyance system, wherein the wireless electrical power transceiver of the first conveyance system is configured to wirelessly transfer electrical power to the wireless electrical power transceiver of the second conveyance system when the wireless electrical power transceiver of the first conveyance system and the wireless electrical power transceiver of the second conveyance system are located proximate to one another.
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公开(公告)号：US20230150793A1
公开(公告)日：2023-05-18
申请号：US17742181
申请日：2022-05-11
发明人： Shao-Kai TSENG , Yuan-Qi HSU , Ming-Tong CHUANG
CPC分类号： B66B1/30 , B66B1/3476 , H02P23/24
摘要： A method of estimating and compensating an interference torque of a lifting system includes steps of: continuously integrating a speed of a motor and specifying an integration value to be zero if the integration value is negative when the elevator car moves upward and downward in a hoist way; estimating a rope load constant of a wire rope according to an initial position and a maximum travel position, and calculating a rope load torque according to the maximum travel position, the rope load constant and a present position of the motor; estimating a car and counterweight load torque according to a car weight of the elevator car and a counterweight weight; estimating an interference torque according to the rope load torque and the car and counterweight load torque, and performing a feedforward compensation to the motor based on the interference torque.
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公开(公告)号：US11603286B2
公开(公告)日：2023-03-14
申请号：US15747479
申请日：2016-07-13
申请人： Inventio AG
IPC分类号： B66B1/30 , B66B5/00 , G01R31/327
摘要： A method and a device for determining an operating state of an elevator system include determining a current/time profile of a current supplied to the elevator system via a power supply line, identifying at least one current profile segment of the current/time profile, and deriving a current profile pattern of the identified current profile segment. The operating state of the elevator system is determined based on comparing the current profile pattern to at least one reference pattern. The method and the device may also be easily used by personnel without electrical training and may be used in elevator systems that are not known in detail.
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公开(公告)号：US11591187B2
公开(公告)日：2023-02-28
申请号：US16674214
申请日：2019-11-05
发明人： Fernando Rodriguez
摘要： A linear propulsion system and method of assembling and testing the same is disclosed. The linear propulsion system may comprise a track, a vehicle, a mover mounted to the vehicle, and a dual inverter system. The track may comprise a first plurality of stator sections interleaved with a second plurality of stator sections. The dual inverter system may include first and second multi-phase inverters that share input hardware.
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