Abstract: An elevator system selects a wireless communication system. The elevator system includes: an elevator car, a car control unit, and an elevator control unit. The car control unit and the elevator control unit establishes at least two wireless communication systems for providing wireless communication between the elevator control unit and the car control unit. The elevator control unit is configured to obtain selection data representing at least one selection parameter. The at least one selection parameter includes at least one elevator related selection parameter and/or at least one wireless communication system related selection parameter. The elevator control unit selects based on the obtained selection data the most appropriate wireless communication system at each point of time to be used to provide the wireless communication connection between the elevator control unit and the car control unit.

Abstract: The invention relates to a method for inspecting quality and/or condition of an elongated composite member, which is a load bearing member of a rope of a hoisting apparatus, such as an elevator, or a precursor of such a load bearing member, the method comprising providing an elongated composite member; and changing the temperature of said elongated composite member by heating or cooling said elongated composite member via a flank thereof; and scanning said elongated composite member from a lateral side thereof with a thermal imaging device after said changing of the temperature; and creating thermographic images of said elongated composite member.

Abstract: The invention relates to a method for operating an elevator installed in connection with a building, particularly a high rise elevator, in which method the expected rope sway is monitored using building acceleration data obtained by means of a sensor to calculate a building sway, and whereby based on the building sway and the position of an elevator car a rope sway is estimated, which rope sway is compared with a threshold value to determine the amount of rope sway and to deduct operation measures for the elevator based on the amount of the rope sway, characterized by the succession of following steps determining elevator car position determining change of rope sway based on the car position and the building acceleration data if it is concluded that rope sway is not increasing, then calculating the number of rope sway cycles n(zca,) within a building sway period Tbuilding and calculating a new (decreasing) rope sway amplitude x based on said number of rope sway cycles n(zca,) and a damping factor I.

Abstract: According to an aspect, there is provided an elevator car parking brake comprising brake pads and an actuator configured to move the brake pads with respect to a guide rail. The elevator car parking brake further comprises levers, each having an associated brake pad; and at least one screw associated with the actuator and rotatably fixed to at least one lever via at least one attaching member. In a braking operation, the actuator is configured to rotate the at least one screw in a first direction with respect to the at least one attaching member, thus causing the levers with the brake pads to move towards the guide rail. In a brake release operation, the actuator is configured to rotate the at least one screw in a second direction with respect to the at least one attaching member, thus causing the levers with the brake pads to move away from the guide rail.

Abstract: According to an aspect, there is provided an elevator car parking brake comprising a brake carrier having a first plate and a second plate, the plates being spaced from each other and positioned to enable a guide rail to travel within the space between the plates, a caliper movably connected to the brake carrier, brake pads, and an actuator configured to move the brake pads against a guide rail in a braking operation. The elevator car parking brake further comprises at least one first compression spring arranged between the first plate of the brake carrier and a brake pad directly associated with the actuator; and at least one second compression spring arranged between the second plate of the brake carrier and the caliper, the first and second compression springs being configured to keep the brake pads substantially centered with respect to the brake carrier.

Abstract: The invention relates to an elevator apparatus, comprising: a shaft, an elevator car vertically movable in the shaft, one or more ropes connected with the car, and a controller for controlling movement of the car. In order to detect sway in one or more elevator ropes connected with the car, the apparatus comprises at least one sensor unit arranged in the elevator shaft to detect sway and to produce a control signal indicating to the controller the detected sway. The controller compares the detected sway to a predetermined limit and prevents movement of the elevator car when sway reaches the predetermined limit.

Abstract: A method for controlling movement of an elevator car includes driving the car vertically to a landing; activating a park brake; and holding the car immovable with the park brake. The holding includes compressing a guide rail by compression members with a first compression force; opening a door for allowing loading and/or unloading the car; maintaining the door open for allowing loading and/or unloading the car while the car is held immovable; and starting closing movement of the door. After the starting closing movement of the door, relieving the brake for allowing the elevator car to start to move vertically.

Abstract: The invention relates to a method for condition monitoring of a rope of a hoisting apparatus, and to an arrangement for condition monitoring of a rope of a hoisting apparatus, preferably of an elevator for transporting passengers and/or goods.

Abstract: The invention relates to a method for operating an elevator installed in connection with a building, particularly a high rise elevator, in which method the expected rope sway is monitored using building acceleration data obtained by means of a sensor to calculate a building sway, and whereby based on the building sway and the position of an elevator car a rope sway is estimated, which rope sway is compared with a threshold value to determine excessive rope sway and to deduct operation measures for the elevator in order to counteract a determined excessive rope sway. According to the invention a succession of following steps is performed: determining a movement profile for the elevator car by means of an elevator controller predicting the elevator car position based on the movement profile calculating the estimated rope sway based on the predicted car position and the building acceleration data.

Abstract: The invention relates to a method for operating an elevator installed in connection with a building, particularly a high rise elevator, in which method the expected rope sway is monitored using building acceleration data obtained by means of a sensor to calculate a building sway, and whereby based on the building sway and the position of an elevator car a rope sway is estimated, which rope sway is compared with a threshold value to determine the amount of rope sway and to deduct operation measures for the elevator based on the amount of the rope sway, characterized by the succession of following steps determining elevator car position determining change of rope sway based on the car position and the building acceleration data if it is concluded that rope sway is not increasing, then calculating the number of rope sway cycles n(zca,) within a building sway period Tbuilding and calculating a new (decreasing) rope sway amplitude x based on said number of rope sway cycles n(zca,) and a damping factor I.

Abstract: A method for operating, such as commissioning, an elevator, and an elevator are presented herein. The elevator comprises an electric linear motor for moving movable units. The method comprises moving a first movable unit along a linear stator of the electric linear motor in the elevator shaft, and determining at least one characteristic, such as a floor position or an air gap width of the electric linear motor, at a plurality of elevator shaft positions by the first movable unit, such as by a winding, a coil, or a sensor, during the moving. The method further comprises storing the determined at least one characteristic, and controlling moving of at least a second movable unit, such as comprising another of the elevator cars or a second motor unit, by utilizing the stored at least one characteristic.

Abstract: According to an aspect, there is provided an elevator parking brake comprising brake pads configured to provide a braking force against a guide rail in a loading and unloading situation of an elevator car; and at least one sensor. The elevator parking brake is configured to allow a predetermined amount of movement within the elevator parking brake in the loading and unloading situation of the elevator car, and the at least one sensor is configured to provide at least one indication associated with the movement within the elevator parking brake in the loading and unloading situation of the elevator car.

Abstract: A device for an elevator, an elevator, and a method for moving an elevator car are presented. The device includes a linear mover including a winding. The linear mover is adapted to establish an electromagnetic engagement by the winding with a linear stator of a first stator beam. The device further includes an electrical energy storage unit, such as at least one battery, and an electrical converter unit arranged to supply electrical current from the electrical energy storage unit to the winding for moving the device along the first stator beam. The at least one linear mover, the electrical energy storage, and the electrical converter unit are integrated into a body of the device, and the device is adapted for attaching removably to an elevator car of the elevator and, optionally, to a further device of the elevator.

Abstract: An elevator system includes: an elevator control; a plurality of individually movable elevator cars driving in an elevator runway system including at least one elevator runway, preferably at least two elevator runways, whereby the number of elevator cars is higher than the number of elevator runways in the runway system. The elevator cars are movable in the elevator runway system via at least one drive system. Each of the elevator cars is provided with an identifier. The elevator system includes at least one reader device for the identifier and a car handling module in the elevator control processing the information on the elevator cars and their identifiers in connection with their position in the elevator system. The elevator system includes elevator cars differing in at least one parameter (differing parameter).

Abstract: A method for inspecting a condition of an elongated load bearing member of a rope of a hoisting apparatus, such as an elevator includes ultrasound scanning one or more regions of the load bearing member with an ultrasonic scanner. A method for inspecting a condition of a rope of a hoisting apparatus, such as an elevator, which rope includes at least one load bearing member includes inspecting at least one load bearing member of the rope with an ultrasound scanner.

Abstract: The invention relates to an elevator apparatus, comprising: a shaft, an elevator car vertically movable in the shaft, one or more ropes connected with the car, and a controller for controlling movement of the car. In order to detect sway in one or more elevator ropes connected with the car, the apparatus comprises at least one sensor unit arranged in the elevator shaft to detect sway and to produce a control signal indicating to the controller the detected sway. The controller compares the detected sway to a predetermined limit and prevents movement of the elevator car when sway reaches the predetermined limit.

Abstract: In the technical field of elevator systems, so as to provide a measure for preventing an overspeed governor rope inertia from unwantedly engaging a safety gear in an overspeed governor system, which has a governor rope connected to a moving mass of the elevator system, a machinery brake for decelerating the moving mass so as to perform a quick stop of the moving mass, a safety gear mounted to the moving mass, a synchronization linkage for tripping the safety gear and a synchronization linkage blocking device for blocking the synchronization linkage and/or a governor brake for braking the governor rope, it is determined whether a quick stop of the moving mass is performed, and the governor brake or the synchronization linkage blocking device is activated when the quick stop of the moving mass is performed.

Abstract: According to an aspect, there is provided an energy storage system for an elevator car of an elevator system, comprising an energy storage; an energy storage management system connected to the energy storage and configured to monitor a state of the energy storage. The energy storage management system is configured to communicate directly with a charging arrangement located in an elevator shaft via a first communication channel to start and stop charging of the energy storage via the charging arrangement. The energy storage management system is further configured to communicate with an elevator controller associated with the elevator car via a second communication channel.

Abstract: According to an aspect, there is provided a method for elevator call allocation in an elevator system. The method comprises receiving charge information associated with an energy storage of an elevator car from each of a plurality of elevator cars of the elevator system; receiving an elevator call to a floor providing a charging arrangement for the energy storages; and allocating the elevator call to an elevator car of the plurality of elevator cars at least partly based on the charge information received from each of the plurality of elevator cars.

Abstract: The invention relates to an elevator system having a mobile communication network. The elevator system comprises: an elevator shaft, and a mobile communication base station arranged to the elevator shaft to a close vicinity of top of a building. The base station is configured to receive and transmit signals with an external mobile communication system and to receive and transmit the signals inside the elevator shaft. The invention relates also to a method for providing a mobile communication network for an elevator system.