Abstract: An aspect of the invention is directed to a method of communicating data over a network, comprising: generating, by a first node, a frame addressed to a second node; encoding, by the first node, the generated frame by applying forward error correction (FEC) coding on the generated frame in such manner that blocks or removes a predetermined set of forbidden symbols (FS) from the encoded frame; and transmitting, by the first node, the encoded frame to the second node. A second aspect of the invention is directed to a method for communicating data over a mixing segment of an Ethernet network by using node A and node B communicatively connected to the mixing segment.

Abstract: A compensation guide, counterweight screen, traction elevator and method for guiding a compensation element are disclosed. The compensation guide includes a horizontally directed guide opening through which the compensation guide passes. The guide is mounted vertically movably to the counterweight screen.

Abstract: A safety gear arrangement for an elevator system, comprising a safety gear mechanism comprising at least one wedge portion of the safety gear arrangement, wherein, in a normal position, the at least one wedge portion is retracted and, in an operated position, extended by a first spring element for acting on a guide rail of the elevator system, and a triggering device comprising an electromagnet, a second spring element, an actuating member, and an excitation power input, wherein the electromagnet is arranged, while being supplied with excitation power, to maintain the actuating member in an untriggered position against the second spring element, and the actuating member is arranged to operate the safety gear mechanism in response to moving of the member from the untriggered to a triggered position due to the second spring element.

Abstract: The invention relates to a method for managing usage data of an elevator system (100) operating in a construction time use (CTU) mode. The method comprises: operating (210) the elevator system (100) in the CTU mode, obtaining (220) statistical usage data of the elevator system (100), comparing (230) the obtained statistical usage data to reference data, detecting (240) that the obtained statistical usage data deviates at least partly from the reference data, and generating (250) at least one control signal comprising an indication of the detected deviation to at least one operator system (114) in response to the detection of the deviation.

Abstract: An elevator shaft element, an elevator arrangement and a method of a construction time use elevator. The elevator shaft element comprises a frame module arranged for receiving an elevator car therein. The frame module is constructed from a transport and/or storage unit, comprising side walls, a bottom wall and a roof wall. The unit is arrangeable vertically such that said side walls, bottom wall and upper wall of the unit define an inner space of the elevator shaft. The side wall, the bottom wall or the upper wall of the transport and/or storage unit is opened at a length more than a floor height of a building for providing an opening for one or more landing doors, the opening having a first side-edge and a second side-edge parallel to longitudinal direction of the transport and/or storage unit. The elevator shaft element further comprises at least one stiffening beam arranged to be fixed to the opening and extending from the first side-edge to the second side-edge.

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: A safety control device applicable to an elevator system including an elevator car driven in an elevator shaft by means of a drive device, said safety control device comprising at least one sensor configured to detect, in the elevator shaft, a presence of an object in at least one specified area of the elevator shaft, and a controller configured to receive and process a signal of the at least one sensor indicating a detection result, and to conduct, when the detection result indicates the presence of an object in the at least one specified area of the elevator shaft, a safety procedure in which a switch from a normal drive control of the drive unit to a safety drive control is executed in which a target value set for the speed of the elevator car is decreased.

Abstract: Floor content information of an elevator is described. According to an embodiment, a device is disclosed, comprising: a processor; a storage comprising a set of instructions; wherein the set of instructions cause the processor to: Receive a destination floor of the elevator; Receive information describing content of the destination floor, wherein the content identifies the content located within the destination floor; Based on the destination floor and the information describing the content of the destination floor, display a data notification to at least one user using the elevator travelling to the destination floor. According to other embodiments, an elevator, a method and a computer program product is described along with the features of the device.

Abstract: The invention relates to a system for generating inspection information of a plurality of signalization elements of an elevator system. The system comprises: an elevator control unit configured to control the plurality of the signalization elements of the elevator system, and a mobile terminal device communicatively coupled to the elevator control unit. The mobile terminal device is configured to generate to the elevator control unit at least one control signal comprising an instruction to activate the plurality of the signalization elements according to a predetermined activation pattern. The elevator control unit is configured to activate the plurality of the signalization elements according to the predetermined activation pattern for generating inspection information in response to receiving the at least one control signal. The invention relates also to for generating inspection information of a plurality of signalization elements of an elevator system.

Abstract: A drive device of an elevator includes a frequency converter to be connected to a public AC supply network and an elevator motor. The frequency converter includes a network rectifier configured to be connected to the AC supply network, a motor bridge to be connected to the elevator motor and a DC intermediate circuit located between the network rectifier and the motor bridge. The motor bridge is controlled by a control circuit which feeds the motor bridge with control pulses to regulate the motor speed. The drive device further includes at least one drive prevention circuit connected between the control circuit and the motor bridge. The drive prevention circuit is configured to obtain a safety signal from an elevator safety circuit includes two separate safety input circuits each configured to be connected to the elevator safety circuit to receive a safety signal.

Abstract: The method comprises measuring the shaft with measuring equipment from a movable transport platform, whereby the form of the shaft and the position of the fastening points for the guide rails is determined based on the information received in the measurement phase, attaching fastening brackets to the guide rail elements and adjusting the fastening brackets based on the measurement results before the installation of the guide rails takes place so that the guide rail elements provided with the fastening brackets can be lifted in the shaft and attached to the fastening points without further adjustment of the fastening brackets.

Abstract: An elevator control unit and a method for determining at least one position control feedforward torque parameter value of an elevator, the elevator comprising a drive system for driving an electric motor and an elevator control unit for controlling the drive system. The elevator control unit comprises position control means, and the position control means comprise means for determining position control feedforward torque, which means for determining position control feedforward torque comprises parameter values which relate to the elevator and/or components of the elevator.

Abstract: 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 consum

Abstract: An elevator shaft element, an elevator arrangement and a method. The elevator shaft element comprises a frame module arranged for receiving an elevator car therein. The frame module is constructed from a transport and/or storage unit, comprising side walls, a bottom wall and a roof wall. The unit is arranged to be positioned vertically such that said side walls, bottom wall and upper wall of the unit define an inner space of the elevator shaft. Elevator car guides for guiding movement of the elevator car in the elevator shaft element are attached to said bottom wall and/or roof wall.

Abstract: A tension member tension monitoring arrangement and method for measuring tension member tension of elevator tension members of a bundle of tension members, the elevator comprising an elevator car suspended by the tension members, such as ropes or belts, of the bundle of tension members, a termination at one end of a tension member and a mounting plate for attaching the termination relative to the hoistway, counterweight and/or the elevator. The tension member tension monitoring arrangement comprises at least one capacitive pressure sensor arranged in connection with a tension member termination. The arrangement further comprises a control unit connected to the at least one sensor.

Abstract: An elevator car (100) defining an interior space (1) for accommodating passengers. The elevator car (100) comprises an openable roof (2), horizontal roof guide rails (13a, 13b) arranged on a top side of the elevator car (100), a support structure (4) pivotably mounted to the guide rails (13a, 13b) by a first joint (5a, 5b), and a working platform (6) pivotably and movably mounted to the support structure (4) by a second joint (7a, 7b) arranged at a distance from the first joint (5a, 5b). The working platform (6) is pivotable between a retracted position, in which said working platform is oriented close to the guide rails (13a, 13b) in the top side of the elevator car, and a deployed position, in which the working platform (6) is in the interior space (1), at a distance from the guide rails (13a, 13b). The first joint (5a, 5b) being arranged movable along the guide rails (13a, 13b).

Abstract: A method and device are disclosed for remotely monitoring an escalator. The method includes capturing an image of an escalator by means of a camera, wherein each step of the escalator is provided with a pattern of a predetermined color, the color of the pattern is different from the color of the step of the escalator; graying the captured image; covering the background of the grayed image, and separating the pattern; identifying the outline of the pattern; and comparing the identified pattern outline with a pre-stored pattern outline, and on the basis of the comparison result, determining whether the pattern on each step of the escalator is obstructed, wherein the pre-stored pattern outline is a non-obstructed pattern outline.

Abstract: A user interface shows status of network elements in an infrastructure network. The network elements are used to provide a communication channel for elevators, escalators and similar. In addition to network elements status of peripheral devices and other elevator and escalator related network connected devices may be shown. The user interface showing the status of network elements and other devices provides the maintenance person an easy way of spotting possible sources of problems.

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.