Y02B50/00

Enhanced deceleration propulsion system for elevators
11661306 · 2023-05-30 · ·

An elevator system includes an elevator car; a guide rail; and a linear synchronous reluctance motor including: a primary circuit having a plurality of primary poles and windings about the primary poles; a secondary circuit having a plurality of secondary poles; the primary circuit coupled to one of the elevator car and the guide rail, the secondary circuit coupled to the other of the elevator car and the guide rail.

Power controller configured to distinguish an intentional signal associated with a manual rescue mode from an unintentional signal associated with a short circuit
11469749 · 2022-10-11 · ·

A power controller with a cable connected remote controlling device configured to transmit a pulsed instruction signal according to a predetermined signal pattern to the power controller. The power controller determines if the instruction signal corresponds with a predetermined signal pattern. If the instruction signal corresponds with a predetermined signal pattern, the controller passes the instruction signal to switches that control power supply of an electric device.

ELEVATOR DOOR CONTROL

According to an example embodiment, an apparatus for controlling at least one aspect of operation of an elevator car door via operating a door driving system arranged to drive movement of the car door between first and second end positions of its movement range, wherein the door driving system comprises an electric motor that is coupled to the car door via a transmission system and wherein, the elevator car comprises a door coupler connected to the car door for temporarily coupling the car door to a landing door when the elevator car resides in a landing zone of a landing such that the landing door moves between a closed position and an open position together with the car door is provided, the apparatus configured to: control movement of the car door, monitor one or more parameters that are descriptive of power consumption of said electric motor upon movement of the car door, and carry out a configuration procedure comprising: recording a first power consumption profile that is descriptive of the power consumption of said electric motor as a function of the car door position when the car door is moved from the first end position to the second end position, recording a second power consumption profile that is descriptive of the power consumption of said electric motor as a function of the car door position when the car door is moved from the second end position to the first end position, and designating one of the first and second end positions as a closed door position and the other one of the first and second end positions as an open door position based on one or more characteristics of the first and second power consumption profiles.

A PNEUMATIC FLOW CONTROLLING DEVICE FOR A PNEUMATIC VACUUM ELEVATOR AND A METHOD THEREOF
20230137918 · 2023-05-04 ·

A pneumatic flow controlling device is disclosed. The device includes a perforated component disposed on a bottom component coupled to a top surface of a pneumatic vacuum elevator. The perforated component includes multiple perforations to enable air circulation from outside to inside of the elevator cylinder. The device also includes a diaphragm component to expand and compress based on the air circulation. The device also includes a primary valve to allow an air supply to the elevator cylinder for controlling movement of an elevator cabin within a tubular pathway based on a control signal received from an elevator controller. The device also includes a secondary valve to allow the air supply to the elevator cylinder for dynamically varying speed of the elevator cabin at one or more landing positions.

Arrangement of a monitoring sensor in an escalator or in a moving walkway

An escalator or a moving walkway has two access regions, each with a comb plate, and a conveying region arranged between the access regions. The conveying region extends between the two comb plates of the access regions. At least one projection projects into the conveying region at at least one stationary part of the escalator or moving walkway. At least one monitoring sensor is arranged at least partly in the at least one projection.

Elevator system including a power storage device with a supercapacitor unit and a battery unit

An elevator system is provided that includes an elevator car, a counterweight, a load bearing flexible member, a motor having a drive, and an elevator control system. The car and counterweight are operable to be translated within a hoistway. The load bearing flexible member extends between the elevator car and the counterweight. The motor is operable to move the load bearing member and thereby drive the elevator car and counterweight within the hoistway. The elevator motor and drive are configured to selectively produce regenerative power. The elevator control system includes a power manager unit and a power storage device. The power storage device includes a supercapacitor unit and a battery unit. The power manager unit is operable to selectively manage the flow of power between the power storage device and the motor drive, and the flow of regenerative power from the motor drive to the power storage device.

NON-CONTACT ELEVATOR CONTROL SYSTEM
20230166943 · 2023-06-01 ·

A non-contact elevator control system having a control panel with multiple buttons, an image processor, a first and a second camera module, wherein the first and second camera modules are arranged at two adjacent corners of the control panel, is disclosed. When an object enters a detection range, the image processor obtains a first imaging position of the object based on a first image taken by the first camera module and a second imaging position of the object based on a second image taken by the second camera module. The image processor calculates the corresponding position of the object in the control panel according to the first and the second imaging positions, and the relative position information of the first and second imaging positions with respect to the first and second camera modules. The image processor triggers a corresponding button in the control panel based on the position.

ENERGIZING CIRCUIT OF A MAGNETIZING COIL OF AN OPERATIONAL BRAKE, A PASSENGER CONVEYOR, AND A METHOD FOR ENERGIZING THE MAGNETIZING COIL OF THE OPERATIONAL BRAKE OF A PASSENGER CONVEYOR
20170297861 · 2017-10-19 · ·

The invention relates to an energizing circuit of at least one magnetizing coil of an operational brake, the energizing circuit being configured for energizing the magnetizing coil, which energizing circuit comprises a rectifying bridge connected to the supply network, the output terminals of the rectifying bridge being connectable/connected to the input points of the magnetizing coil,

characterized in that the energizing circuit comprises at least one reduced voltage circuit or external DC supply, whose outputs are connectable via to the to the input points of the magnetizing coil via a controllable operation switch of the energizing circuit. The patent application also comprises claims for a passenger conveyor and for a method.

Power management of a battery of a stair lift system

A lift system comprises a rail (1) and a carriage assembly (2) comprising a seat (21) or platform (21) for supporting a person to be conveyed along the rail (1), drive means arranged to engage the rail (1) and controllable to drive the carriage assembly (2) along the rail (1), 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 (2) along the rail (1), 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 (2) is at a first charging position on the rail (1). The control means is arranged to monitor at least one voltage (VI, V2) 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.

Passenger detection system and method for a passenger moving system

A method predicts whether an approaching passenger intends to travel on a passenger moving system having at least one movable pallet. The method includes positioning at least one monitoring device in the vicinity of the passenger moving system such that it monitors a detection area wherein the detection area includes at least a first detection area. The monitoring system then detects the presence of a passenger in the at least first detection area and monitors a trajectory of the passenger. A response is triggered at a control unit of the passenger moving system when the monitored trajectory of the passenger provides a predicted trajectory that reaches the entrance to the passenger moving system.