Abstract: An elevator counterweight (2) includes a first part (4). The first part (4) is configured to be connected, in use, to a suspension member (8) of an elevator system (1). The first part (4) is arranged to receive an additional mass (6) when the first part (4) is connected to the suspension member (8), such that a mass of the elevator counterweight (2) can be varied. A controller (14) may be arranged to control a mass variation system (12) to vary the mass of the elevator counterweight (2) according to a schedule. The controller (14) may determine the schedule in a learning process.

Abstract: The invention relates to an elevator system for observing a misoperation. The elevator system comprises an observation unit and a processing unit. The observation unit is configured to obtain data representing movement of an elevator car during a predetermined time interval and transmit the obtained data to the processing unit. The processing unit is configured to receive and store the data representing the movement of the elevator car, generate at least one statistical parameter from the received data, compare the at least one generated statistical parameter to at least one previously stored statistical parameter of the corresponding time interval, and generate a signal indicating a misoperation in response to a detection that the at least one generated statistical parameter deviates from the corresponding previously stored statistical parameter over a predetermined limit. The invention also relates to a method for observing a misoperation.

Abstract: A braking apparatus, that brakes and measures load changes in an elevator car, includes a brake, a brake holding arrangement holding the brake on the car, a load measuring device measuring a force acting on a force transmission element and a load measuring device holding arrangement holding the load measuring device on the car. The brake can be displaced relative to the car in a force direction generated by the brake and the load measuring device is held on the car fixed relative to the car in the force direction. The force transmission element is operatively connected to the brake to measure a force acting between the brake and the load measuring device due to a relative displacement of the brake relative to the load measuring device. A connecting piece arrangement connects the load measuring device holding arrangement and the brake holding arrangement in an elastically deformable manner.

Abstract: An elevator car is provided and includes a body, an acoustic response device and a local or remote system configured to control an operation of the acoustic response device whereby an acoustic integrity check to determine a condition of the body is executable by the local or remote system.

Abstract: An elevator arrangement having an elevator includes an elevator car having a floor and a roof. The elevator car is provided with one or more extension spaces which are arranged to extend the height of the elevator car during construction time use.

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: A method and a device for determining an operating state of an elevator system include determining a current/time profile of a current supplied to the elevator system via a power supply line, identifying at least one current profile segment of the current/time profile, and deriving a current profile pattern of the identified current profile segment. The operating state of the elevator system is determined based on comparing the current profile pattern to at least one reference pattern. The method and the device may also be easily used by personnel without electrical training and may be used in elevator systems that are not known in detail.

Abstract: Transportation infrastructure service discovery arrangement disclosed. In the arrangement a peripheral device is attached to a transportation infrastructure control network. The client is configured to request an address from a DNS server of the host network. As a response the client receives network settings that can be used for contacting applications attached to the transportation infrastructure control network.

Abstract: A method for monitoring thresholds for performance attributes in an elevator system is provided. Aspects includes collecting, by a sensor affixed to an elevator car, sensor data associated with the elevator system wherein the sensor data comprises one or more performance attribute values for a set of performance attributes of the elevator system. Obtaining a threshold profile associated with the elevator system, wherein the threshold profile comprises thresholds for each performance attribute in the set of performance attributes of the elevator system. Comparing the one or more performance attribute values to corresponding thresholds for the set of performance attributes and transmitting an alert for any of the one or more performance attribute values exceeding the corresponding thresholds for the set of performance attributes.

Abstract: A method of controlling building systems including detecting a status parameter of a door of a building; displaying the status parameter of the door on a device; detecting a status parameter of a door lock, the door lock being operbly connected to the door; and displaying the status parameter of the door and the status parameter of the door lock on a device.

Abstract: Methods and systems for automatically checking an operational status of electrical components of an elevator system, the methods including setting a first power state of all addressed electrical components of the elevator system, measuring a control value power consumption with a power consumption counter, switching a first addressed electrical component into a second power state, monitoring a power consumption associated with the first addressed electrical component, comparing the power consumption associated with the first addressed electrical component with the control value power consumption, and when the power consumption associated with the first addressed electrical component is not greater than the control value power consumption, performing a detected failure operation.

Abstract: A rescue apparatus for an elevator includes a brake control unit having input terminals for connecting to a power supply, output terminals for connecting to a magnetizing coil of an electromagnetic brake, at least one controllable brake opening switch associated with at least one of the input terminals and adapted, in an open state, to prevent supply of current from the power supply to the magnetizing coil and, in a closed state, to allow supply of current from the power supply to the magnetizing coil, a control cable including one or more control signal wires and a remote control panel for operating the at least one brake opening switch, the remote control panel being coupled via the control cable to the brake control unit.

Abstract: A belt for an elevator system includes a plurality of tension members arranged along a belt width and extending longitudinally along a length of the belt, each tension member including a plurality of fibers. A metallized coating layer is applied to at least a portion of an outer surface of at least one tension member of the plurality of tension members. The metallized coating has a coating electrical conductivity greater than a tension member electrical conductivity of the at least one tension member. A jacket material at least partially encapsulates the plurality of tension members and the metallized coating layer.

Abstract: Provided is an apparatus configured to detect a car position by performing threshold processing on a voltage caused by an AC magnetic response through use of an identification plate in which a slit pattern is formed and a plurality of coils, the apparatus including a circuit configuration capable of switching between a normal operation for detecting the car position based on an on/off detection operation using the plurality of coils and a self-diagnosis operation capable of verifying the on/off detection operation irrespective of the presence or absence of the identification plate with a car in a stopped state by forcedly applying a magnetic field to the coils.

Abstract: A guide for individual movement machinery. The guide includes a base, a frame and a monitoring system. The monitoring system includes arrays of sensors affixed to each of the base and the frame to respectively sense guide conditions and to generate readings accordingly.

Abstract: Elevator systems and methods of operation include a tension member support positioned within an elevator shaft, a tension member suspended from the tension member support within the elevator shaft, and a slack detection system. The slack detection system includes at least one biasing element housed within the tension member support and operably coupled to the tension member, the at least one biasing element arranged to receive a load from the tension member and a switch arranged to be moved from a first position to a second position in response to movement of the at least one biasing element, wherein when in the second position the switch triggers an emergency stop of an elevator car within the elevator shaft.

Abstract: A method of tension adjustment for a load bearing member of an elevator system includes measuring a load on a load bearing member of an elevator system via a load cell operably connected to the load bearing member, the load cell and the load bearing member connected to an elevator car disposed in a hoistway, the measured load equated with a tension of the load bearing member. The measured tension to a preselected range and an adjustment of the tension of the load bearing member is determined. Adjustment instructions are communicated to a handheld electronic device and the communicated adjustment instructions are performed thereby adjusting the tension of the load bearing member to within the preselected range.

Abstract: Typically a technician is physically present to investigate a malfunction of an elevator system. Devices, systems and methods are provided for actively monitoring one or more lift devices, such as elevators and escalators. A computing system for electrically controlling an elevator controller, includes: a field board electrically connected to an elevator controller, and the field board communicates with a computing platform device, which in turn is connected to a server over the Internet. The field board includes relay switches that are electrically connected to the elevator controller. The server sends poking commands that triggers a relay switch to open or close, which causes the elevator controller to generate a call signal to move the elevator to an upper or a lower floor. If the elevator does not move according to a poking command, then a malfunction is reported.

Abstract: A method of testing elevator car braking distance includes verifying that an elevator car is empty. The method also includes initiating a test procedure. The method further includes triggering a safety actuation device to actuate at least one safety brake to stop an elevator car. The method yet further includes recording braking data during a braking period. The method also includes recording braking data with at least one piece of elevator car equipment. The method further includes generating a braking data report that includes at least one of braking distance and braking deceleration of the elevator car.

Abstract: An equipment service graphical interface is provided. An entity and an entity location of a plurality of equipment are identified. A data repository is accessed that includes a plurality of equipment servicing data associated with the equipment at the entity location. A map image is output on a graphical user interface including one or more icons indicating one or more equipment locations and status of the equipment based on the equipment servicing data from the data repository. One or more equipment status details are selectively displayed on the graphical user interface responsive to a detected user input action.

Abstract: A system and/or method for receiving a data capture from an elevator sensor and executing a prognostic analysis of the data capture to identify operational issues and resolutions to the operational issues. The system and/or method can further receive at least one of a verification of the operational issues and the resolutions and execute the resolutions upon verification to resolve the operational issues.

Abstract: A suspension work platform hoist system for raising and lowering a work platform is provided. The system incorporates at least one hoist attached to the work platform and in electrical communication with a hoist control system having a monitoring and diagnostic system to monitor and record at least one of a plurality of operating characteristics of the hoist. The hoist control system may further include a safety lock out system that requires authentication of an operator prior to the hoist control system causing movement of the hoist system.

Abstract: Brake release sensors for an elevator can be replaced by an arrangement wherein the brake release is determined from the force caused by the brake. This is achieved by providing measuring device for measuring the weight of an elevator car between the brake and the motor body so that the weight of the elevator car is measured only when the brake is on.

Abstract: An elevator system includes a stationary structure, a first sheave rotationally supported by the structure, a rope supported by the first sheave, and an elevator car supported by the rope. A vibration damping device of the elevator system is positioned at a first termination of the rope, and is configured to reduce vibration waves in the rope, thereby reducing noise in the elevator car.

Abstract: An emergency operation controller for an elevator is connected to other emergency operation controllers of their respective elevators through network, and each controller constitutes a node in the network. The controller generates and transmits an emergency condition detection message to other controllers in the network which constitute adjacent nodes to the controller when the controller detects an emergency condition, and receives an emergency condition detection message from other controllers which constitute adjacent nodes to the controller in the network when other controllers detect an emergency condition. The emergency condition detection message includes a propagation count. The propagation count is configured to be decremented by one, each time one controller transmits the emergency condition detection message to other controllers which constitute next adjacent nodes. The emergency condition detection message is continuously transmitted until the propagation count reaches to zero.

Abstract: This invention is concerning an elevator apparatus, in which a safety monitoring device corrects a detected car position using a signal from a car position detection device and monitors the presence or absence of car overspeed on the basis of an overspeed detection pattern that varies in accordance with car position. The car position detection device includes a first car position detection sensor and a second car position detection sensor which are arranged side by side in a vertical direction. The safety monitoring device performs, in parallel, first overspeed monitoring based on a car position corrected using a signal from the first car position detection sensor and second overspeed monitoring based on a car position corrected using a signal from the second car position detection sensor.

Abstract: Disclosed are a device and a method for detecting compression and reposition performance of a hydraulic buffer for an elevator. The device includes a laser displacement sensor, a battery charge and power supply circuit and a controller, where the laser displacement sensor is connected to the controller through a signal conditioning and acquisition circuit and a laser emission control circuit; and where the controller is also connected to a memory and a configuration screen, respectively. It can realize the automation of multi-parameter measurement functions of a buffer, such as compression stroke measurement, reposition time measurement and reposition process monitoring (which can reflect whether the reposition process is jammed), and has a high measurement accuracy.

Abstract: The present invention relates to a machinery brake for an elevator. The machinery brake comprises a frame part comprising an electromagnet and an armature part, wherein the machinery brake further comprising an inductive proximity sensor mounted to one of the following: the frame part, the armature part and a target mounted to the other of the following: the frame part, armature part. The inductive proximity sensor and the target are mounted with respect to each other so that in a normal state of the machinery brake the target resides within an operational area of the inductive proximity sensor and in an abnormal state of the machinery brake the target resides at least partly outside the operational area of the inductive proximity sensor. The invention also relates to a method therein.

Abstract: A safety device of a lift system may include a car, an evaluation device, and a measuring device. Conditions where departure from a door zone with an open car door or where impermissible accelerations/speeds are reached within the door zone are identifiable by way of the evaluation device and output signals from the measuring device. In such conditions, a control signal may be generated for braking the car. A safety circuit may be connected to the evaluation device and ensure a first safe zone in a shaft head of a lift shaft during an inspection run. The safety circuit may have a safety switch, and the car may include a tripping means for tripping the safety switch. The safety switch and the tripping means have a first relative position upon which the first safe zone is based, and entry of the car into the first safe zone during the inspection run is preventable by tripping the safety switch, which leads to generation of the control signal and braking of the car.

Abstract: According to one embodiment, a method of operating an elevator system having at least one lane is provided. The method comprising: detecting a failure in the elevator system; detecting a location of the failure within the elevator system; determining a traffic pattern of the elevator car in response to the location of the failure, the traffic pattern operable to direct the elevator car to avoid the location of the failure; and moving the elevator car in accordance with the traffic pattern selected.

Abstract: A method of interacting with an elevator system is provided. The method comprising: detecting, using a sensor system, performance data for an elevator system, the elevator system including one or more elevator cars; receiving an issue report from a user mobile device; determining a maintenance issue of the elevator system in response to at least one of the issue report and the performance data; and transmitting the maintenance issue to a maintenance device.

Abstract: A control arrangement of an elevator includes a safety gear, an over speed governor with a rope which is connected to the safety gear, a stopping device for generating an actuating force to the safety gear, and a drive unit for driving the elevator apparatus. In order to facilitate easy and efficient maintenance, the control arrangement includes a controller for controlling a triggered sequence to involve activating of the stopping device for braking with the safety gear, and controlling the drive unit to drive the elevator apparatus during braking with the safety gear until the safety gear stops the elevator apparatus.

Abstract: A system for determining stiffness of an elevator system tension member includes a landing floor indicator to transmit a landing floor signal of an elevator car to a stiffness estimator, and a car position encoder to transmit a car position signal of the elevator car in a hoistway to the stiffness estimator. A machine position encoder transmits a machine position signal to the stiffness estimator. The tension member is operably connected to the machine to move the elevator car along the hoistway. A load weight sensor is located at the elevator car to transmit a load weight signal of the elevator car to the stiffness estimator. The stiffness estimator utilizes at least the landing floor signal, the car position signal, the machine position signal and the load weight signal to calculate an estimated stiffness of the tension member.

Abstract: The invention concerns a method and a software program for determining the position of an elevator car moved in an elevator shaft, wherein an acceleration is measured and combined with measured open/closed states of the car door. The open-states of the door are used to identify floor-levels and a moving run sequence, wherein the car position estimate is then compared with allocated floor-levels from which the destination floor-level is calculated to extract the exact position of the car within the elevator shaft.

Abstract: An elevator load weighing system (100) includes a brake assembly (104) configured to apply a braking force that inhibits vertical movement of an elevator car (106), and rotate in response to realizing a torque applied thereto. A position monitoring mechanism (112) is coupled to the brake assembly (104) and is configured to output a position signal in response to a rotation of the brake assembly (104). An electronic elevator control module (102) is configured to determine a zero-torque position of the brake assembly (104) prior to engaging the brake assembly (104). The electronic elevator control module (102) is further configured to detect at least one rotational brake displacement of the brake assembly (104) based on the position signal.

Abstract: The invention relates to a device providing traffic forecasts for elevator systems, comprising a data-processing system, wherein the device is designed to establish a data connection between the data-processing system and the elevator system, and wherein the device is designed to establish a data connection between the data-processing system and at least one mobile device, and wherein the device is designed to receive data from the elevator system and/or from at least one mobile device, and wherein the device is designed to send processed data to at least one mobile device. The invention further relates to a method providing traffic forecasts.

Abstract: An automated method to control and evaluation of the operation of a lift installation, where at least one load of unknown weight is weighed by means of a weighing machine; the sum of the weights detected on site in the lift installation where the maintenance work is being performed is transmitted to a portable control console, which transmits the sum of the weights detected associated with the loads introduced to the lift cabin to a load weighing device; to receive command signals associated with the control and maintenance tasks transmitted from the portable control console, in response to operating parameters of the lift cabin loaded with the sum of the weights detected.

Abstract: The present invention relates to the use of dopants for polymer optical fibers or polymer waveguides containing the dopants, sensors in the polymer optical fibers or polymer waveguides, which may be used in the biomedical industry for the measurement of different physiological and physical variables.

Abstract: A monitoring system for a passenger conveyor is provided. The passenger conveyor includes a motor for driving the passenger conveyor and an inverter for supplying current to the motor. The monitoring system includes a current sensor for detecting the current supplied to the motor; a temperature sensor for detecting the temperature of the motor; a data collecting device for receiving detected data from the current sensor and the temperature sensor; and a controller connected to the data collecting device. The controller is configured to calculate an idle operation motor torque during an idle operation of the passenger conveyor based on current and temperature detected during the idle operation; and determine that a fault exists in the passenger conveyor when a difference between the idle operation motor torque and a reference motor torque exceeds a predetermined threshold.

Abstract: An elevator includes a drive unit and an elevator car movable in an elevator shaft to a plurality of floors between a shaft ceiling and a shaft floor by the drive unit. The elevator car has a car floor which can be opened at least partially by at least one floor element to expose an opening. The elevator further includes a locking unit, with which the at least one floor element can be locked. The elevator also has an unlocking unit, by which the locking unit can be unlocked or released for unlocking only if the elevator car has reached an end position in the region of the lowermost floor.

Abstract: A system for providing preventative maintenance of switchable components includes a load-moving system including one or more switchable components. The system also includes a microcontroller configured to operate the one or more switchable components of the load-moving system, to determine a number of switching events of the one or more switchable components and to perform a preventative maintenance action based on determining that the number of switching events is greater than a threshold number of switching events.

Abstract: A method and an equipment for monitoring the movement of an elevator car detect an acceleration of the elevator car and a travel speed or a travel distance of the elevator car and an integrated travel speed is calculated from the detected acceleration. In that case, the detected travel speed or the travel speed derived from the detected travel distance is used as a start variable of an integration cycle. In addition, the integrated travel speed is compared with at least one predetermined limit speed and a safety measure is triggered if exceeding of the predetermined limit speed is established.

Abstract: An analyzing device requires regular maintenance for maintaining a predetermined analyzing performance thereof. However, the more complex the analyzing device becomes, the more number of maintenance items are provided. For example, if a plurality of types of maintenances to be performed by removing same component, efficiency may be improved by performing the same as a whole. However, when conforming with a manual, if recommended timings to perform the maintenance are shifted delicately, there is a probability of occurrence of a case where the same components are removed several times for maintenance during a short time. At the time when an instruction to perform maintenance is issued, maintenance items to be performed are extracted, the extracted maintenance items are sorted into a recommended performance order in conformity to a preset rule such that the similar maintenance or the maintenance of the same portion or the like are performed continuously.

Abstract: A safety arrangement of an elevator and a method for monitoring electrical safety in an elevator system is disclosed. The safety arrangement of an elevator includes a motor drive having a main circuit, an accessible conducting part, which is earthed, an insulator, which is adapted to electrically insulate the aforementioned conducting part from the aforementioned main circuit and also a monitoring circuit, which determines an earth fault of the aforementioned main circuit occurring via the conducting part. The monitoring circuit forms a signal indicating the danger of electric shock in the motor drive of the elevator, if the earth fault is diagnosed.

Abstract: Techniques for customized kiosk modes of operation are provided. A kiosk is configured to recognize periods of operation that are slow, moderate, or busy. A number of factors can be used to automatically recognize these periods and change the periods on demand. For each type of period (slow, moderate, or busy), the kiosk uses a different customized mode of operation so as to optimally use the kiosk for the benefit of the kiosk owner, customers interfacing with the kiosk, and marketers selling advertisements via the kiosk.

Abstract: A remote monitoring support apparatus is connected to a control board; performs communication between a management server computer and the control board that controls operation of an elevator; receives a fault detection instruction that instructs transmission of information related to a state of the elevator and that is transmitted from the management server computer; outputs to the control board, an execution instruction for a fault detection operation according to the received fault detection instruction; obtains at least one among a signal output from the control board to an external destination in response to the output execution instruction for the fault detection operation, and a signal that is for alarm activation and output from the control board to notify the external destination of an abnormality that occurred at the elevator; generates notification information that is based on the obtained signal; and transmits the generated notification information to the management server computer.

Abstract: A monitoring arrangement including a drop-out safety device associated with an elevator; an elevator component in operational connection with the drop-out safety device of the elevator; a measuring device configured to generate measuring data associated with operation of the elevator component; and a monitoring unit configured to, record, in a memory, one or more limit values associated with the measuring data, receive the measuring data from the measuring device, compare the measuring data to the one or more limit values, and—determine that the operating safety of the drop-out safety device is endangered, if the measuring data deviates from the one or more limit values, and form a monitoring signal, if the monitoring unit determines that the operating safety of the drop-out safety device is endangered.

Abstract: In a method for renewing a braking force of a hoisting machine, a brake pad of a brake of the hoisting machine is pressed against a braking surface of a rotating part of the hoisting machine, and the braking surface is moved in relation to the brake pad pressed against the braking surface by resisting the friction force between the braking surface and the brake pad.

Abstract: A method and a safety device for implementing the method are provided in connection with a quick stop situation of an elevator. In the method, an activation process of a machinery brake is started and also a disconnection process of the current supply of the elevator motor is started after the starting of the activation process of a machinery brake.

Abstract: An exemplary method of managing remote control of an elevator system includes preventing any source located remotely from a site of the elevator system from controlling an operation of the elevator system when there is an indication that the elevator system is being serviced by a mechanic.