Abstract: The invention relates to an elevator system having a multichannel mobile communication functionality. The elevator system comprises: an elevator shaft, and a mobile communication base station arranged the elevator shaft to a close vicinity of top of a building. The base station is at least configured to receive and transmit signals with an external mobile communication system and to receive and transmit the signals inside the elevator shaft. The signals comprise multiple channels and at least one of the multiple channels is configured to provide a first high-speed functionality for the at least one elevator related unit of the elevator system. The invention relates also to a method for providing a multichannel mobile communication functionality for an elevator system.

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: 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: Modern elevators involve a plurality of ropes and wheels for ropes in a variety of different functions related to the operation and security of an elevator. The wearing of a rope and a wheel may be inspected by scanning a profile of a wheel or ropes on a wheel. When a rope or a wheel is worn the profile will be lower than in the normal situation. Depending on the difference to the normal situation an appropriate action may be taken.

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 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: An elevator including a hoistway, an elevator car vertically movable in the hoistway, a rope connected to the elevator car movably together with the elevator car, a guide for guiding the rope along a path and a device that determines a position of the elevator car. The device includes an elongated code mark pattern provided on the rope, one or more sensors mounted beside the rope for sensing code marks of the code mark pattern, and an analyzer connected with the a plurality of sensors. The one or more sensors sense code marks of the code mark pattern passing by them when the rope moves along its path, and the analyzer determines the current position of the elevator car based on code marks sensed by the one or more sensors during movement of the rope.

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 safety circuit includes a safety switch or a series circuit of safety switches, which includes an input for an electrical safety circuit signal as well as an output, in which the electrical safety circuit signal being supplied to the input is present when all the safety switches are closed. The safety circuit also includes a cable including an optical fiber as well as a transmitter circuit for the optical signal, the output of which circuit is connected to the cable including an optical fiber. The input of the transmitter circuit is connected to the output of the aforementioned safety switch or of the series circuit of safety switches, and the transmitter circuit is configured to transmit in the optical fiber of the cable the safety circuit signal that is present in the output of the safety switch or of the series circuit of safety switches.

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: A travelling cable of an elevator, more particularly of a passenger transport elevator and/or freight transport elevator, includes a protective envelope, conductors for transmitting electrical energy and data between the elevator car and the elevator hoistway, and one or more load-bearing bearer parts of essentially the length of the travelling cable for fixing the travelling cable at its first end to the elevator car and at its second end to the elevator hoistway, and which bearer part includes glass-fiber reinforcements and/or aramid-fiber reinforcements and/or carbon-fiber reinforcements and/or polybenzoxazole-fiber reinforcements and/or polyethylene-fiber reinforcements and/or nylon-fiber reinforcements in a polymer matrix material. An elevator includes the travelling cable.

Abstract: The invention relates to a method in rope condition monitoring of an elevator, in which method at least the following steps are performed: elevator suspension and/or transmission ropes are reeled and packed on a rope storage unit, and thereafter electrical resistance between a first point and a second point of elevator suspension and/or transmission ropes is measured first time, and thereafter a threshold value is determined based on the measurement, and thereafter rope is delivered into an installation site, and thereafter electrical resistance between the first point and the second point of said suspension and/or transmission ropes is measured second time, and thereafter results of said second time measurement are compared with said threshold value, and if said second time measurement meets said threshold value, predetermined actions are carried out. The invention also relates to an arrangement in rope condition monitoring of an elevator.

Abstract: The invention relates to an elevator comprising a hoistway; an elevator car vertically movable in the hoistway; a plurality of ropes connected to the car; a rotatable traction member comprising a circumferential traction surface area for each of the several ropes; each rope being arranged to pass around the rotatable traction member resting against a circumferential traction surface area of the traction member; drive machinery for controlling rotation of the rotatable traction member. The elevator comprises means for detecting displacement of each of the ropes over a first limit position of the rope in the first axial direction of the rotatable traction member, and over a second limit position of the rope in the second axial direction of the traction member; and in that displacement of one or more of said ropes in axial direction of the rotatable traction member over the first or second limit position is arranged to trigger the drive machinery to stop the rotation of the rotatable traction member.

Abstract: An elevator includes an elevator car; a counterweight; one or more ropes interconnecting the car and counterweight, one end of each rope being fixed to the counterweight, and each rope comprising one or more electrically conductive load bearing members that extend unbroken throughout the length of the rope embedded in a non-conductive surface material; a monitoring circuit comprising at least two of said electrically conductive load bearing members of the one or more ropes connected in series, and one or more connectors mounted on the counterweight and connecting ends of said at least two electrically conductive load bearing members in series, said one or more connectors comprising a switch that is movable between a conductive and a non-conductive state, whereby the state change of the switch is arranged to change conductivity of the monitoring circuit; a monitoring system connected with the monitoring circuit and arranged to monitor the state of the monitoring circuit; and a counterweight position sensor mou

Abstract: Modern elevators involve a plurality of ropes and wheels for ropes in a variety of different functions related to the operation and security of an elevator. The wearing of a rope and a wheel may be inspected by scanning a profile of a wheel or ropes on a wheel. When a rope or a wheel is worn the profile will be lower than in the normal situation. Depending on the difference to the normal situation an appropriate action may be taken.

Abstract: An elevator includes at least one elevator car driving along an elevator shaft as well as an elevator control measuring the car position. The elevator further includes a buffer in the shaft pit, whose length is adjustable in response to the car position and car speed. Via this measure, the shaft pit can be reduced in high speed elevator requiring large buffer lengths.

Abstract: An elevator includes a hoistway; an elevator car vertically movable in the hoistway; a rope connected to the elevator car movably together with the elevator car; a guide for guiding the rope along a path; and a device for determining position of the elevator car. The device for determining position of the elevator car including an elongated code mark pattern provided on the rope, which elongated code mark pattern comprises code marks distributed along the length of the rope; one or more sensors mounted beside the rope for sensing code marks of the code mark pattern; and an analyzer connected with the at least one sensor. The one or more sensors are arranged to sense code marks of the code mark pattern passing by them when the rope moves along its path, and the analyzer is configured to determine current position of the elevator car based on code marks sensed by the one or more sensors during movement of the rope.

Abstract: The invention concerns a rope terminal arrangement of an elevator comprising a rope terminal block mounted immovably on an end of a rope of an elevator, which rope comprises one or more load bearing members, which are electrically conductive and embedded in an electrically non-conductive coating and extend in longitudinal direction of the rope, and have an end face, which is free of said coating and forms part of the end face of the rope; and a contact arrangement for forming electrically conductive connection with one or more of the load bearing members of the rope, the contact arrangement being mounted on the rope terminal block and comprising at least one electrical connector, which electrical connector comprises a contact face, which is spring-loaded against an end face of a load bearing member of the rope whereby a conductive connection between the connector and the load bearing member is established via the contact face.

Abstract: The invention relates to a method in rope condition monitoring of an elevator, in which method at least the following steps are performed: elevator suspension and/or transmission ropes are reeled and packed on a rope storage unit, and thereafter electrical resistance between a first point and a second point of elevator suspension and/or transmission ropes is measured first time, and thereafter a threshold value is determined based on the measurement, and thereafter rope is delivered into an installation site, and thereafter electrical resistance between the first point and the second point of said suspension and/or transmission ropes is measured second time, and thereafter results of said second time measurement are compared with said threshold value, and if said second time measurement meets said threshold value, predetermined actions are carried out. The invention also relates to an arrangement in rope condition monitoring of an elevator.