Entries |
Document | Title | Date |
20080202862 | Signal Strip And System For Determining A Movement Status Of A Moving Body - The invention relates to an oblong signal strip ( | 08-28-2008 |
20080202863 | ELEVATOR INSTALLATION WITH A SUPPORT MEANS MONITORING DEVICE FOR MONITORING THE STATE OF THE SUPPORT MEANS AND A METHOD FOR CHECKING THE SUPPORT MEANS - An elevator installation includes a device for monitoring the state of support belts. An elevator car and a counterweight are connected by the support belts and are movable in a vertical shaft in opposite sense along guide tracks. The monitoring device is fastened to the guide track by a support and has a guide device, preferably a guide roller, which guides the support belt along a scanning surface the monitoring device. The scanning surface and the support belt are protected simply and effectively against damage. | 08-28-2008 |
20080223668 | Electrical Signal Application Strategies for Monitoring a Condition of an Elevator Load Bearing Member - An elevator load bearing member ( | 09-18-2008 |
20080230325 | Control Device of Elevator - In an elevator control apparatus, calculations regarding the control of an elevator are performed in a duplexed system including first and second processing portions. A first clock signal from a first clock is input to the first processing portion. A second clock signal from a second clock is input to the second processing portion. The first and second clock signals are input to a clock abnormality detecting circuit. The clock abnormality detecting circuit counts the numbers of pulses of the first and second clock signals, and detects abnormalities in the first and second clock signals from a difference between the numbers of the pulses. | 09-25-2008 |
20080230326 | Condition monitoring system - The present invention relates to an elevator condition monitoring system, which comprises at least a control unit ( | 09-25-2008 |
20080245619 | Elevator Top of Car Safety - An elevator car ( | 10-09-2008 |
20090014256 | Elevator Apparatus and Method of Controlling the Apparatus - An elevator apparatus has an elevator control apparatus having an operation control portion that controls operation of a car and a supervising portion that detects an abnormality in a movement of the car. When the supervising portion performs initial setting, the operation control portion causes the car to travel at a lower speed than the speed at a time of normal operation according to each phase of the initial setting. | 01-15-2009 |
20090095575 | ELEVATOR SYSTEM | 04-16-2009 |
20090127031 | Weight Calculation Compensation - The present invention may be said to consist in a method of determining weight of a payload lifted by a rig of a load lifting machine, and/or a apparatus | 05-21-2009 |
20090139802 | ELEVATOR - The present invention relates to an elevator and a method for measuring the load in an elevator, in which the elevator car is suspended on hoisting ropes with at least one upward-directed diverting pulley or diverting pulley pair, from which the elevator ropes go upwards on both sides, and at least one downward-directed diverting pulley or diverting pulley pair, from which the elevator ropes go downwards on both sides. In the elevator at least one upward-directed diverting pulley or diverting pulley pair and at least one downward-directed diverting pulley or diverting pulley pair is fixed to the elevator car with a shared supporting structure. In the method the tension information is measured from a supporting structure and a load-weighing signal is formed using the tension information obtained. | 06-04-2009 |
20090166133 | Positioning Method in an Elevator System - The present invention presents a method and a system for the positioning of the elevator car and the door of the elevator in the condition monitoring system. In the method the accelerations of the elevator car and the door of the elevator are measured with sensors. By integrating the acceleration information two times in relation to time the position information is determined. When the condition monitoring system detects a fault, forecasts a malfunction occurring in the future or detects a significant change in the operation of the elevator or in the measuring signals related to the elevator, it is possible to attach to this information the location of the fault or event i.e. the position of the elevator or the position of a door of a certain floor level on the slide path. The position information can be synchronized to a separate reference point by means of a positioned switch by making an adjustment to the position information at the reference point. The measuring error caused by the misalignment of the position of the acceleration sensor is compensated for either with electronics or using a program. | 07-02-2009 |
20090218178 | Remotely Performed and/or Assisted Restoration of Elevator Service - An elevator ( | 09-03-2009 |
20090250298 | Elevator group and method for controlling an elevator group - A set of elevators, e.g. an elevator group, is connected to a common power supply. The elevators are controlled by a common control system so that an elevator car having stopped is prevented from being dispatched in the up direction if, of the elevator cars of the elevators connected to the common power supply, more cars are moving upwards than are moving downwards. | 10-08-2009 |
20090277724 | ELEVATOR SYSTEM - The invention relates to an elevator system having an elevator shaft and at least one elevator cabin movable inside the elevator shaft. The elevator system further comprises a decentralized control system having a first analysis unit associated with one of the at least one elevator cabin, a second analysis unit associated with the elevator shaft, and a number of third analysis units. The first, second, and third analysis units are connected to one another via a bus connection, wherein signal transmission occurs via the bus connection using a safety protocol such that the transmission of safety-relevant data is allowed between the analysis units. The safety protocol is structured such that transmission errors are detected and data corruption is indicated. Moreover, the first analysis unit associated with the elevator cabin is connected to sensors for securely detecting the position of the elevator cabin, allowing control of safety devices of the elevator system. The second analysis unit is connected to a drive of the elevator system. | 11-12-2009 |
20100000825 | Elevator System to Maintain Functionality During a Power Failure - The invention provides a system and method for handling power outages in a multiple car elevator system in a building having a plurality of floors. The system includes an energy calculator connected to the elevators, and determines a total energy of the elevator system, a total energy required to handle a power outage, a plan to prepare for a power outage and a plan to handle a power outage. The system also includes a movement controller connected to the elevator(s) and the energy calculator. The movement controller receives the plan to prepare and the plan to handle from the energy calculator, and the movement controller executes the plan to prepare if there is no power outage and the movement controller executes the plan to handle if there is a power outage. | 01-07-2010 |
20100051391 | SAFETY ARRANGEMENT - The present invention presents an arrangement and a method for monitoring a safety circuit. The system comprises a control appliance and the safety circuit comprises at least one serial circuit of two or more switches. The arrangement according to the invention comprises first means for measuring the status of at least one switch, as well as means, in connection with the first means, for conveying the status information of the switch to the control appliance. In the method according to the invention the status information of at least one switch is measured with the first means and the status information of the switch is sent to the control appliance using the first means for conveying the status information of the switch to the control appliance. | 03-04-2010 |
20100314202 | ELEVATOR DISPATCHING CONTROL FOR SWAY MITIGATION - An elevator system ( | 12-16-2010 |
20110011682 | METHOD FOR MONITORING OPERATION OF AN ELEVATOR DRIVE BRAKE DEVICE - An elevator drive has a brake device with compression springs to actuate brake levers, and brake linings on a brake drum creating a braking force. A sensor is provided to detect the movement of a brake magnet armature tappet. A bracket is attached to the brake magnet tappet on one end and a distance piece carrying the sensor housing is arranged on the other end. A restoring lug is attached to the existing mechanical indicator. A monitor evaluates the sensor signal and turns off the elevator drive in the event of dangerous operational states via a safety circuit. The system allows the state of the brake device to be monitored. The more the brake linings wear off due to abrasion, the smaller the distance between the armature and the brake magnet housing. If the armature is in contact with the brake magnet housing, the braking ability of the brake linings is completely void. | 01-20-2011 |
20110056773 | MAGNETIC GUIDING APPARATUS OF ELEVATOR - A guide apparatus includes a pair of guide rails, magnet units, pedestals, a sensor unit, a magnetic guide control apparatus as a control unit, and projected parts. The magnet unit includes electromagnets and permanent magnets and magnetic poles thereof are opposed to a blade of the guide rail from three directions with a gap. The projected parts are formed with side parts of a tip part of a central magnetic pole opposite to a tip surface of the blade of the guide rail among the magnetic poles of the magnet unit being brought closer to the guide rail than a center section thereof. | 03-10-2011 |
20110067958 | ELEVATOR INSTALLATION AND METHOD FOR MAINTENANCE OF SUCH AN ELEVATOR INSTALLATION - An elevator system and a method for maintenance of such an elevator system include a device for receiving a plurality of sensor signals. The device is mounted on at least one elevator car or at least one counterweight of the elevator system. The device includes at least one processor and at least one computer-readable data store in at least one device housing. A first sensor for generating a sensor signal is a position sensor and/or a speed sensor and/or an acceleration sensor which is mounted in and/or on the device housing. | 03-24-2011 |
20110108370 | ELEVATOR ALERT - The elevator alert includes an elevator pit can ( | 05-12-2011 |
20110147135 | METHOD AND APPARATUS FOR DETERMINING THE MOVEMENT AND/OR THE POSITION OF AN ELEVATOR CAR - A method and apparatus for determining the movement and/or the position of an elevator car include a first monitoring unit for analyzing first signals of a first sensor device for obtaining information about the movement and/or the position of the elevator car, for detecting a possible faulty behavior of the elevator system, and for initiating corresponding safety measures. A second sensor device, which does not operate on the principle of the first sensor device, registers changes of the movement state of the elevator car and emits corresponding second signals to a second monitoring unit that analyzes the second signals and detects changes of the movement state of the elevator car. A fault signal is generated if the movement signals that are obtained from the first monitoring unit are incoherent with the changes of the movement state of the elevator car that are detected by the second monitoring unit. | 06-23-2011 |
20110253487 | METHOD OF MONITORING AN ELEVATOR SUPPORT MEANS, AN ELEVATOR SUPPORT MEANS MONITORING DEVICE, AND AN ELEVATOR INSTALLATION WITH A MONITORING DEVICE OF THAT KIND - An elevator support monitoring device in an elevator system and a method for monitoring the elevator support means monitor a characterizing property, preferably an electrical resistance, of the elevator support or of a tension support of the elevator support and a sudden change in the characterizing property is detected. A state of the elevator support is determined by evaluating several consecutive, sudden changes in the characterizing property. | 10-20-2011 |
20110284331 | ELECTRICAL SIGNAL APPLICATION STRATEGIES FOR MONITORING A CONDITION OF AN ELEVATOR LOAD BEARING MEMBER - An elevator load bearing member ( | 11-24-2011 |
20110315490 | INTELLIGENT ELEVATOR SAFETY MONITOR - In accordance with at least some embodiments of the present disclosure, a process for determining the safety of an elevator is described. The process may be implemented to collect, by an acceleration sensor, an operational measurement of the elevator in operation, wherein the operational measurement comprises a velocity measurement of the elevator. The process may be implemented to determine, by a processor, an operational status of the elevator by evaluating the operational measurement. The process may further be implemented to generate, by the processor, a warning signal when the operational status indicates that the elevator is operating abnormally. | 12-29-2011 |
20120006631 | ELEVATOR SYSTEM - An elevator system in which a controller monitors whether or not a speed of an ascending/descending body reaches a preset overspeed. At a time of maintenance work, a stopper is interposed between a buffer and the ascending/descending body to limit a lowered position of the ascending/descending body. Stopper detection means detects installation of the stopper onto at least one of the buffer and the ascending/descending body. When the stopper is detected by the stopper detection means, the controller lowers a set value of the overspeed. | 01-12-2012 |
20120043166 | ELEVATOR DEVICE - In an elevator device, a signal diagnosis device includes: a signal input section to which a sensor signal from a sensor is input; a disconnection detecting section for outputting a diagnosis signal for detecting disconnection to the sensor and detecting a state of a signal turned back at the sensor to be input so as to detect whether or not disconnection of the signal from the sensor occurs; a switch for turning ON/OFF an input of the signal to the disconnection detecting section; and a disconnection-detection diagnosis section for operating the switch to diagnose whether or not the disconnection detecting section functions normally. Further, a car is stopped when occurrence of the disconnection is determined by the signal diagnosis device or when an abnormality is detected by the disconnection-detection diagnosis section. | 02-23-2012 |
20120097487 | Building Sway Resistant Elevator Derailment Detection System - An elevator derailment detection system ( | 04-26-2012 |
20120125720 | Rope Sway Mitigation Via Rope Tension Adjustment - A rope sway mitigation device for an elevator system includes a rope tension adjuster connected to a plurality of ropes operably connected to an elevator car. The rope tension adjuster is configured to adjust a tension of at least one individual rope of the plurality of ropes thereby mitigating excitation of natural frequencies of the plurality of ropes during sway of at least one component of the elevator system and or a building in which the elevator system is located. Further disclosed is an elevator system including a rope sway mitigation device and a method of rope sway mitigation in an elevator system. | 05-24-2012 |
20120175196 | Remote Access Of An Elevator Control System With Multiple Subsystems - A method and system for remote access to multiple subsystems ( | 07-12-2012 |
20120181118 | DEVICE FOR DISPLAYING FLOOR INFORMATION OF OPERATING ELEVATOR USING ACCELERATION SENSOR - The present invention relates to a device for displaying floor information of an operating elevator, which provides a user with information on the floor where an elevator car is positioned by operating the current position of the elevator car. The device is not electrically connected to an existing elevator driving system, so that the installation procedure of the display device is simple and easy. In addition, it is possible to realize integration even though every elevator employs protocols different from each other. | 07-19-2012 |
20120186916 | SAFETY DEVICE FOR ELEVATOR AND ROPE SLIP DETECTION METHOD - In a safety system for an elevator, slip detection means detects a slip between a drive sheave and a main rope. A safety gear is mounted to a car, the safety gear being electrically operated by an actuator to cause the car to make an emergency stop regardless of whether a running direction of the car is upward or downward. A safety gear controller cuts power supply to a hoisting machine motor and causes the safety gear to make a braking operation upon detection of the slip between the drive sheave and the main rope by the slip detection means. | 07-26-2012 |
20120193174 | SAFETY DEVICE FOR ELEVATOR AND ROPE SLIP DETECTION METHOD - In a safety system for an elevator, slip detection means detects a slip between a drive sheave and a main rope. A safety gear is mounted to a car, the safety gear being electrically operated by an actuator to cause the car to make an emergency stop regardless of whether a running direction of the car is upward or downward. A safety gear controller cuts power supply to a hoisting machine motor and causes the safety gear to make a braking operation upon detection of the slip between the drive sheave and the main rope by the slip detection means. | 08-02-2012 |
20120199422 | ELEVATOR APPARATUS - A speed governor includes: a centrifugal weight that revolves around a predetermined revolving shaft in response to movement of a car; an extensible body to which the centrifugal weight is connected, and that is rotated around the revolving shaft, the extensible body being displaced relative to the revolving shaft in response to a centrifugal force to which the centrifugal weight is subjected due to the revolution; a switching apparatus that extends and retracts the extensible body in response to an elevator operational state; and an operation detecting apparatus that detects whether a state of the extensible body is an extended state in which the extensible body is extended or a retracted state in which the extensible body is retracted. A controlling apparatus determines presence or absence of an abnormality in the speed governor by comparing the elevator operational state and detection results from the operation detecting apparatus. | 08-09-2012 |
20120217100 | METHOD FOR OPERATING ELEVATORS - A method for operating an elevator having a car driven by a motor and at least one brake to stop the car, the method including closing a brake, increasing a torque of the motor until the car moves, and registering a value indicative of the motor torque at which the car moves. | 08-30-2012 |
20120273307 | MONITORING METHOD FOR AN ELEVATOR INSTALLATION - The monitoring method for an elevator installation includes a control unit and at least one bus junction, which bus junction has a receiver, a transmitter and a safety element. The control unit and the bus junction communicate by way of a bus. The monitoring method has the following steps: a digital default signal is transmitted by the control unit to the receiver; the digital default signal is converted by the receiver into an analog signal; the safety element is acted on by the receiver with the analog signal; if the safety element is closed the analog signal is detected by the transmitter; for a detected analog signal, a digital signal of the control unit is provided by the transmitter; wherein on detection of an analog zero signal a digital signal is transmitted by the transmitter to the control unit. | 11-01-2012 |
20120292135 | ELEVATOR HOISTING MACHINE AND ELEVATOR HOISTING MACHINE MANUFACTURING METHOD - A coupling shaft includes: a boss portion; and a rotation detector mounting shaft portion that protrudes outward from the boss portion away from the motor shaft. An inner circumferential surface of a penetrating aperture disposed on a mounting member is an inclined pressing surface that is inclined relative to a shaft axis of the motor shaft such that an inside diameter of the penetrating aperture increases continuously toward the motor shaft. An inclined bearing surface that is inclined relative to a shaft axis of the coupling shaft is disposed on the boss portion so as to be formed into an annular shape around the shaft axis of the coupling shaft, and such that an outside diameter of the boss portion increases continuously toward the motor shaft. The inclined pressing surface is able to contact the inclined bearing surface by the mounting member being displaced toward the motor shaft. | 11-22-2012 |
20120292136 | ELEVATOR SAFETY CONTROL DEVICE - An elevator safety control device realizing suppression in increase in cost and labor hour of installation and maintenance without deteriorating safety of normal safety control functions even when a plurality of safety control functions are provided. The elevator safety control device includes an independence assurance unit assuring independence of a safety control function. The independence assurance unit assures independence of each of the safety control functions by monitoring whether or not the safety control function accesses a memory other than a permitted region. When the independence assurance unit detects an access to the memory other than the permitted region by a predetermined safety control function, the elevator safety control device stops a car. | 11-22-2012 |
20130025976 | SAFETY CIRCUIT - An exemplary safety circuit includes a plurality of contacts that are configured to establish a conductive path across the contacts when the contacts are in electrically conductive contact with each other. The contacts selectively interrupt the conductive path across them when the contacts are separated. A controller selectively introduces a voltage pulse across the contacts at a voltage level that is effective to overcome an electrical resistance of any contamination on at least one of the contacts. The controller introduces the voltage pulse at least when the contacts are expected to be in contact to establish the conductive path. | 01-31-2013 |
20130133987 | ELECTRICITY SUPPLY APPARATUS AND AN ELEVATOR SYSTEM - The invention relates to an electricity supply apparatus, an elevator system and a method for limiting the electricity consumption of an elevator system. The electricity supply apparatus according to the invention is fitted to supply electricity to one or more devices in an elevator system. The minimum value of the permitted supply voltage with which the apparatus still operates is determined for one or more appliances of the elevator system, and the electricity supply apparatus is equipped to change the supply voltage of the one or more appliances of the elevator system towards the minimum value of the permitted supply voltage for limiting electricity consumption of the elevator system. | 05-30-2013 |
20130146399 | SAFETY APPARATUS, DRIVE APPARATUS AND ELEVATOR APPARATUS - A safety apparatus for elevator apparatuses which can move a cab via a drive, comprising: a monitoring unit for monitoring the drive and/or the motor regulation system of the drive, a safety device having at least two sensors, which can be switched between at least two switching states depending on a state, in particular a closing state. In order to be able to reduce operating costs, the safety device and/or the monitoring unit comprises a controller, which is designed to identify the respective switching states of the sensors, and to transmit data and/or monitoring signals to the monitoring unit. | 06-13-2013 |
20130153340 | CHECKING STATES IN AN ELEVATOR INSTALLATION - An elevator installation includes a cage, a counterweight, a drive and at least one support element. The cage and the counterweight are supported by the support element, which is driven by the drive to move the cage and the counterweight in opposite directions. The support element includes at least one test element, wherein the test element is contacted by at least one contacting device and connected with a measuring device so that an electrical resistance of the test element is determinable by the measuring device, wherein the electrical resistance of the test element changes due to stretching of the test element so that through measurement of the electrical resistance of the test element at least one of the following states of the elevator installation is ascertainable: loading of the cage, a slack support element, a tension difference between at least two support elements and damage of the support element. | 06-20-2013 |
20130270046 | METHOD AND APPARATUS FOR DETERMINING A FORCE, AND USE OF THE METHOD AND/OR OF THE APPARATUS - A method determines a force which acts via a drive wheel, which is fastened on a motor shaft of an electric motor or on an output shaft of a geared motor, on a component, which is coupled to the drive wheel directly in form-fitting and/or force-fitting manner. The electric motor is coupled electrically to a power amplifier, which is coupled to a power-supply unit via a connecting circuit. The force is determined using a voltage and a current which are determined in the connecting circuit. An apparatus implements the method. | 10-17-2013 |
20140027210 | ELEVATOR DRIVE POWER SUPPLY CONTROL - An exemplary elevator control system includes an elevator drive. A safety chain is configured to monitor at least one condition of a selected elevator system component. A first switch is operable to interrupt power supply to the elevator drive. The first switch is controlled by the safety chain depending on the monitored condition. A second switch is in series with the first switch. The second switch is operable to interrupt power supply to the elevator drive. The second switch is controlled by the safety chain depending on the monitored condition. A monitoring device is configured to determine when the first and second switches should be in a power supplying condition for supplying power to the elevator drive. One such circumstance is when it is desirable to cause movement of the elevator car. The monitoring device determines that the first switch is in the power supplying condition for allowing the safety chain to control the second switch for supplying power to the elevator drive. The monitoring device determines whether the second switch is in a power supplying condition when the first switch is properly in the power supply condition. The monitoring device is configured to prevent the elevator drive from being powered whenever it determines that either the first switch or the second switch is not in a desired condition. | 01-30-2014 |
20140202798 | ELEVATOR MONITORING ARRANGEMENT AND METHOD FOR MONITORING AN ELEVATOR - A monitoring arrangement of an elevator and to a method for monitoring an elevator. The monitoring arrangement of an elevator comprises a drop-out safety device of the elevator, an elevator component, which is in operational connection with the drop-out safety device of the elevator, a measuring device, with which the operation of the aforementioned elevator component is measured, and also a monitoring unit, comprising an input for the measuring data of the aforementioned measuring device as well as a memory for setting one or more boundary conditions to be connected to the safe operation of the elevator component. The monitoring unit is configured to receive measuring data from the aforementioned measuring device and also to determine that the operating safety of a drop-out safety device of the elevator is endangered if the measuring data received does not fulfill the boundary conditions set for the safe operation of the elevator component. | 07-24-2014 |
20140262629 | ELEVATOR SYSTEM WITH MESSAGING FOR AUTOMATED MAINTENANCE - An exemplary elevator system includes a controller that is configured to determine a condition of at least one elevator system component. A message transceiver is coupled with the controller. The message transceiver is configured to send a notification message to a remotely located mobile station that includes an indication of the condition determined by the controller. The message transceiver is configured to receive a response message from the remotely located mobile station that indicates how the controller can address the determined condition. | 09-18-2014 |
20140339024 | ARRANGEMENT AND METHOD FOR MONITORING CONDITION OF AUTOMATIC DOOR - An arrangement and a method for monitoring the operational condition of an automatic door in an elevator, particularly a passenger and/or goods elevator, or in a building, the arrangement includes an automatic door which includes one or more door leaves, which slide horizontally in their location, a door operator, which includes a door motor and a door mechanism for moving the door leaf horizontally in its location, a closing device for closing the automatic door, a control system for the door operator for controlling the door motor, a device configured to define the operational condition of the closing device and the door mechanism of the automatic door, the device configured to define the operational condition of the closing device and the door mechanism of the automatic door includes a mechanism configured to determine the mechanical energy of the shaft in the door motor of the automatic door during an operating cycle. | 11-20-2014 |
20140353090 | DEVICE FOR THE POSITION DETECTION OF AN ELEVATOR CAR AND METHOD FOR OPERATING AN ELEVATOR SYSTEM - A device for detecting the position of an elevator car ( | 12-04-2014 |
20150083528 | METHOD FOR MONITORING THE MOVEMENT OF AN ELEVATOR COMPONENT, AND A SAFETY ARRANGEMENT FOR AN ELEVATOR - A method and a safety arrangement are provided for monitoring the movement of an elevator component, more particularly of an elevator car or of the automatic door of an elevator. In the method, a setup drive of an elevator component is run, and the speed and/or acceleration of the elevator component is measured during the setup drive, a threshold value for the speed and/or acceleration of the elevator component is formed on the basis of the measuring data obtained in the setup drive, the speed and/or acceleration of the elevator component is measured, and if the measured speed and/or acceleration exceeds the aforementioned threshold value, a monitoring signal for bringing the elevator to a safe state is formed. | 03-26-2015 |
20150107941 | ACTIVE GUIDING AND BALANCE SYSTEM FOR AN ELEVATOR - An active guiding and balance system that retains the active control of an elevator system in the presence of displacement. This active control may be maintained via the use of an actuator that tailors Lorentz force relative to the level of displacement along a non-linear continuum. | 04-23-2015 |
20150114764 | SAFETY RELATED ELEVATOR SERIAL COMMUNICATION TECHNOLOGY - Safety related information for an elevator installation can be transmitted via a serial connection using serialization and deserialization modules. These serialization and deserialization modules can comprise redundant components, such as processors and interfaces, and can be configured to cross check various data inputs and outputs to identify data corruption, component failures, or inconsistencies in data. | 04-30-2015 |
20150129367 | METHOD FOR CONDITION MONITORING OF ELEVATOR ROPES AND ARRANGEMENT FOR THE SAME - A method is provided for condition monitoring of a rope of an elevator including an elevator car and a rope wheel arrangement, which rope is connected to the elevator car and passes around at least one rope wheel included in the rope wheel arrangement. The method includes obtaining travel data of the elevator car, the travel data including information describing occurrence(s) of car start(s) and/or bypass(es); and determining based on the travel data a total number of car visits at a predetermined landing in the path of the elevator car, which total number is the sum of the number of starts of the elevator car away from said predetermined landing so as to travel to any other landing irrespective of the traveling direction, and the number of times the elevator car has bypassed said predetermined landing without stopping irrespective of the traveling direction; and comparing the total number or a multifold of the total number with a first predetermined limit value, wherein said multifold equals to the total number multiplied with factor n wherein n equals the number of said at least one rope wheel; and performing one or more predetermined action if said total number or the multifold of the total number meets the first predetermined limit value, said one or more action including one or more of indicating a weakened rope condition, indicating a need for maintenance or replacement of elevator rope(s), calculating an estimated moment of maintenance or replacement of elevator rope(s), sending a specific or general warning signal, sending a fault signal, sending a signal to a service center the signal indicating weakened rope condition or a need for maintenance or a need for replacement of elevator rope(s). An arrangement implements the method. | 05-14-2015 |
20150298941 | SUPPORT FOR AN ELEVATOR INSTALLATION - A method of providing a support for an elevator car in an elevator installation, wherein the support includes a plurality of tensile carriers arranged parallel to one another and substantially enclosed by a casing, includes pre-preparation of a first support end wherein the tensile carriers are directly electrically contactable at a pre-prepared location by a contacting device, and wherein the pre-preparation is carried out before transport of the support to the elevator installation. | 10-22-2015 |
20150307326 | MONITORING DEVICE FOR A PASSENGER TRANSPORT SYSTEM - A monitoring device for passenger transport systems, which systems are designed as elevators, escalators or moving walkways, includes at least one detecting device used to detect an external actuation of an equipment of the passenger transport system, a control device and at least one energy store for storing electrical energy. The energy store is kept in a charged state. The energy store is put into a discharged state when the detecting device detects the external activation of the equipment. | 10-29-2015 |
20150314991 | ELEVATOR WITH MAINTENANCE OPENING IN THE CAR FLOOR - 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. | 11-05-2015 |
20150336769 | MONITORING DEVICE AND METHOD FOR MONITORING AN ELEVATOR SUPPOT - An elevator installation includes a car and at least one support device supporting the car. The support device has a plurality of electrically conductive tensile carriers that are arranged parallel to one another and which are substantially enclosed by a casing. The elevator installation further includes a monitoring device that connects the tensile carriers or groups of the tensile carriers in an alternating configuration as electrical resistances in a measuring bridge so that electrical resistances of different tensile carriers can be compared with one another by sensing a bridge voltage. | 11-26-2015 |
20160039636 | METHOD AND TEST SYSTEM FOR TESTING FAILURE OF A MACHINERY BRAKE OF AN ELEVATOR - The purpose of the invention is to detect a failure situation wherein the machinery brake of an elevator does not open sufficiently. In the method for testing failure of a machinery brake of an elevator:
| 02-11-2016 |
20160130114 | ELEVATOR NOISE MONITORING - A method includes receiving, from a portable recording device, multiple recordings of sounds made by an elevator during operation of the elevator, the multiple recordings generated at different times. The method includes analyzing, by a sound analysis circuit, the multiple recordings generated at the different times to detect changes in an elevator characteristic over time and generating, based on detecting the changes in the elevator characteristic over time, a notification to perform an action on the elevator. | 05-12-2016 |
20160152445 | METHOD AND ARRANGEMENT | 06-02-2016 |
20160176678 | COMMUNICATION METHOD FOR AN ELEVATOR SYSTEM | 06-23-2016 |
20160185569 | MONITORING SYSTEM OF AN ELEVATOR INSTALLATION - A monitoring system of an elevator installation having an elevator door and a method of operating the monitoring system are suitable for generating usage data of the elevator door, the monitoring system including a sensor arranged in the elevator installation, wherein at least one physical parameter of the environment of the sensor can be detected by the sensor, and an evaluating unit, which determines an operating state of the elevator door by a course of the physical parameter over time. | 06-30-2016 |
20190144242 | NON-CONTACT CHARGING SYSTEM FOR ELEVATOR | 05-16-2019 |