Abstract: The invention relates to a drive machinery for an elevator, the drive machinery comprising a rotatable drive sheave for driving plurality of ropes of the elevator, and a motor for rotating the drive sheave; the drive sheave comprising a drive sheave body rotatable around a rotational axis; and plurality of rim arrangements mounted on the drive sheave body side by side in direction of said rotational axis, each said rim arrangement defining a circular outer rim for transmitting traction to a rope, said circular outer rims being coaxial with each other. The diameter of the circular outer rim of one or more of said rim arrangements is individually adjustable for enlarging or reducing the turning radius of a rope passing around the circular outer rim in question. The invention also relates to an elevator comprising said drive machinery.

Abstract: The invention relates to an elevator comprising an elevator motor and an elevator drive comprising a backup power supply and an emergency drive module to enable release of trapped passengers in case of a power fault, based on the energy of the backup power supply, whereby the elevator drive comprises a drive housing and the backup power supply is located in a separate backup module which is releasably supported in a mounting position at the drive housing of the elevator drive, which backup module comprises an insulated backup module housing and an electric interface which connects to a complementary interface of the elevator drive located at the drive housing.

Abstract: According to an aspect, there is provided a central elevator management system comprising an ethernet bus, a plurality of elevator system nodes communicatively connected to the ethernet bus and an elevator control unit communicatively connected to the ethernet bus and configured to communicate with the plurality of elevator system nodes via the ethernet bus. The elevator control unit is configured execute a configuration manager providing a management interface for a configuration entity, wherein the configuration manager is configured to receive a configuration update associated with at least one elevator system node from the configuration entity; and transmit configuration data to the at least one elevator system node based on the configuration update.

Abstract: A transport conveyor drive having a rectifier and an inverter which are connected via a DC link, whereby the inverter comprises power switches for suppling electric power to an transport conveyor motor is disclosed. The transport convey drive comprises a motor controller for controlling the power switches of the inverter which is configured to produce control pulses in the control poles of the power switches, at least one safety signal interface, which is adapted to receive safety signals from a safety controller of the transport conveyor, and a brake control circuit having an output for supplying power to a brake coil of an electromagnetic brake, wherein at least one STO circuit is connected between the motor controller and each of the power switches of at least one half bridge of the inverter, the STO circuit being configured to transfer/cut the control pulses to the power switches.

Abstract: An elevator includes a car with at least two car doors, each car door being provided with a door contact, a shaft being provided with corresponding landing doors, each landing door being provided with a door contact, each landing door opening in synchronism with the corresponding car door, the door contacts forming part of a safety circuit of the elevator, a car door contact input being connected to a middle point in the safety circuit between a series connection of the car door contacts and a series connection of the landing door contacts. A status information of the car door contact input is monitored in order to determine whether the door contacts are operational or not when the car doors are opened and/or closed with a predetermined time delay at a landing.

Abstract: A brake system and method for elevators, the elevator comprising an elevator car and suspension means supporting the elevator car and the counterweight. The brake system comprises at least one brake configured to decelerate the elevator car, means for measuring elevator deceleration configured to produce feedback, such as a displacement, relating to elevator deceleration to the at least one brake, and means for adjusting brake force and/or torque based on the feedback from the means for measuring elevator deceleration. The means for adjusting brake force and/or torque is configured to control the brakes to produce a variable brake force and/or torque so that the elevator car deceleration is kept essentially constant at a predefined set point value or within a certain range around the predefined set point value.

Abstract: A brake system for an elevator car, the brake system comprising a plurality of elevator car brakes, a plurality of electrical control units, and a plurality of electrical power supplies. Furthermore, at least two of the elevator car brakes are arranged to be operated by at least two of the electrical control units, and each one of the electrical control units is arranged to be supplied by at least one of the electrical power supplies. The brake system is configured so that at least two of the plurality of elevator car brakes are operable in case of a fault in any one or simultaneously in any two of the electrical control units and the electrical power supplies.

Abstract: The invention relates to a method for transporting construction material and/or equipment inside a building under construction, wherein the building under construction comprises plurality of vertically displaced floors, the method comprising providing an elevator for transporting transport containers in the building under construction, said elevator comprising at least a load receiving unit vertically movable along one or more guide rail lines in an elevator shaft formed in the building under construction; and providing plurality of transport containers each comprising a container body, and an identification provided on the container body for identifying the container and/or its destination in the building, most preferably the destination floor in the building under construction; providing one or more detectors within the building under construction for detecting identifications of containers when they are within the detection ranges of the one or more detectors; moving a first transport container belonging t

Abstract: The invention relates to a method for transporting construction material and/or equipment into and inside a building under construction, wherein the building under construction comprises plurality of vertically displaced floors, the method comprising providing a control system configured to automatically operate one or more transporting devices, including at least an elevator; providing a storage at the construction site of the building; and transporting into the storage at the construction site of the building under construction plurality of transport containers containing construction material and/or equipment; storing said transport containers in the storage; and delivering transport containers belonging to said plurality of transport containers from said storage to different destination floors, the delivering comprising obtaining an order to deliver a transport container, the order identifying the transport container to be delivered; and retrieving the transport container identified in the order from the

Abstract: A method for detecting a loss or an undervoltage condition of phase of an electric converter unit, wherein the method comprises: determining an extremum value, such as a maximum and/or a minimum value, of a phase voltage of the electric converter unit for at least one fundamental period of the phase voltage, and comparing the extremum value to a first threshold value, and if, based on the comparison, a first threshold criterion related to the first threshold value is satisfied, then determining the loss or the undervoltage condition of phase.

Abstract: The invention relates to a method for managing flow of people and goods within a building under construction, comprising providing one or more elevator control systems for automatically controlling movement of elevator cars; providing a first passenger elevator, the first passenger elevator comprising a first passenger elevator car for transporting people, the first passenger elevator car being vertically movable in an elevator hoistway formed inside the building under construction, vertical movement of the car being automatically controlled by an elevator control system, the first passenger elevator car comprising an interior delimited by floor, walls, ceiling and at least one automatic door; and providing a goods elevator, the goods elevator comprising a goods elevator car for transporting goods, the goods elevator car being vertically movable beside the first passenger elevator car in an elevator hoistway formed inside the building under construction, vertical movement of the goods elevator car being autom

Abstract: The measurement arrangement for measuring the rotation speed of a component of an elevator, escalator, moving walkway or moving ramp comprises an inductive sensor that is arranged stationary in respect of a rotation axis of the component and adjacent to the component or a measurement part that is attached to the component in a rotationally fixed manner, and the component or the measurement part is configured as rotationally unsymmetrical about the rotation axis so that different angular positions of the component about the rotation axis generate different output signals in the inductive sensor.

Abstract: An elevator communication system includes at least one ethernet bus segment, a controller communicatively connected to the at least one ethernet bus segment, and a plurality of elevator system nodes communicatively connected to the at least one ethernet bus segment. The controller is configured to determine a fault situation in the elevator communication system and cause reduction of the data communication via the at least one ethernet bus segment based on the fault situation.

Abstract: To have information on power consumption of an elevator, escalator and/or a moving walkway, an apparatus-specific static power consumption model modelling power consumption and being parametrized with apparatus-specific parameter is used with a distance to travel, a time and a load determined from controller events to calculate and output a total power consumed.

Abstract: A method for the call allocation in an elevator group uses a call allocation unit of an elevator group control. In the call allocation unit, passenger flow data of the elevator group is used to adapt call allocation parameters to improve the performance of the elevator group. The public traffic data is retrieved from at least one public transportation system, and is used to supplement expected passenger flow data for the adaption of call allocation parameters.

Abstract: An elevator safety system includes an elevator car safety unit arranged on or at least in mechanical connection, preferably in fixed manner, with an elevator car; at least one distance measurement target; and a distance measurement device mounted on the elevator car for determining a distance between the distance measurement target and the distance measurement device. The elevator car safety unit is arranged in connection with the distance measurement device and is configured to generate an output signal based on the determined distance.

Abstract: The present invention relates to an apparatus for monitoring an operation of an elevator, the apparatus is configured to: receive a noise signal induced in an analog input of a device associated to an elevator car during an unemployment of the device in its dedicated task; compare the noise signal of the analog input to a reference signal; and set, in accordance with a comparison between the noise signal and the reference signal, a detection result to express one of the following: (i) an operation of the elevator is proper, (ii) the operation of the elevator is improper. The invention also relates to a method, to a computer program product, and to an elevator system.

Abstract: An elevator safety system includes an elevator control unit configured to: monitor an elevator shaft, receive a position, a movement direction, and a speed of at least one elevator car arranged into the elevator shaft, and determine dynamically at least one authorized shaft section based on the monitoring, and on the position, the movement direction, and the speed of at least one elevator car, and to provide an authorization to the at least one elevator car to move, such as by a linear motor, in or into the authorized shaft section of the elevator shaft. The elevator safety system further includes at least one elevator car controller configured to: provide the position, the movement direction, and the speed of the at least one elevator car to the elevator control unit, and receive the authorization. The elevator control unit and the elevator car controller are arranged to be in communication with each other.

Abstract: A safety arrangement is suitable for a turning station of an elevator system. The safety arrangement includes at least one first blocking position for preventing, by a first mechanical device, an elevator car from entering the turning station, wherein the first mechanical device is arranged to change its position in response to operation of the turning station, and at least one second blocking position for preventing, by a second mechanical device, an elevator car from exiting the turning station.

Abstract: An elevator and a method for determining energy and/or power consumption of an elevator, the elevator comprising a drive system comprising a drive unit for driving an electric motor and an elevator control system for controlling the drive system, wherein at least two different operating states are used for the elevator. The method comprises measuring at least part of power and/or energy consumption of the drive system, at least when the elevator is moving, determining duration which the elevator spends in different operating states of the elevator, and determining energy and/or power consumption of the elevator based at least in part on the measured power and/or energy consumption of the drive system and determined and/or estimated energy and/or power consumption in different operating states of the elevator.