EP2288563B1 - Système d' ascenseur avec moyen de sous-tension - Google Patents

Système d' ascenseur avec moyen de sous-tension Download PDF

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Publication number
EP2288563B1
EP2288563B1 EP09765932.0A EP09765932A EP2288563B1 EP 2288563 B1 EP2288563 B1 EP 2288563B1 EP 09765932 A EP09765932 A EP 09765932A EP 2288563 B1 EP2288563 B1 EP 2288563B1
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EP
European Patent Office
Prior art keywords
tensioning means
elevator car
elevator
weight
speed
Prior art date
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Not-in-force
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EP09765932.0A
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German (de)
English (en)
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EP2288563A1 (fr
Inventor
Josef Husmann
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Inventio AG
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Inventio AG
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Priority to EP09765932.0A priority Critical patent/EP2288563B1/fr
Publication of EP2288563A1 publication Critical patent/EP2288563A1/fr
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Publication of EP2288563B1 publication Critical patent/EP2288563B1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/06—Arrangements of ropes or cables
    • B66B7/10—Arrangements of ropes or cables for equalising rope or cable tension

Definitions

  • the invention relates to an elevator installation with at least one elevator car, which can be driven by a traction sheave by means of a traction mechanism, wherein a tensioning means clamped by a tensioning means under tension for the elevator car is provided next to the traction means.
  • the invention relates to the field of elevator installations in which the occurrence of slippage of the traction means on the traction sheave is prevented.
  • the invention also relates to a method for operating such a lift installation.
  • the from the EP 0 619 263 A2 known elevator system has the disadvantage that in a state in which the counterweight rests in its end position on a buffer, a further lifting of the elevator car is possible.
  • the weight of the traction means acting on the traction sheave from the side of the counterweight may be sufficient to ensure the friction on the traction sheave required for lifting the elevator cage. Since this represents a significant security risk, the height of the known elevator installation is limited for safe operation.
  • the object of the invention is to provide an elevator system, in which the security is improved and in particular an excessive lifting of an elevator car is prevented.
  • a traction means may also have the function of supporting the elevator car.
  • Actuation of the elevator car is understood to mean, in particular, lifting or lowering of the elevator car, the elevator car being guided by a lift or more guide rails can be performed.
  • a measuring device detects a vertical movement of the clamping means weight and outputs a measured variable, in particular a measuring voltage.
  • the measuring device has path, speed or acceleration detection means.
  • a measuring device with speed detecting means or a speed detecting device is used.
  • the measuring voltage output by the speed detecting device increases in absolute value with increasing vertical speed of the clamping means.
  • the detection of a speed of the weight of the clamping means has the advantage that changes in position of the weight of the clamping means occurring over relatively long periods have no influence on the detection. For example, the length of the traction means and the length of the lower clamping means may increase due to the continuous load, which may lead to changes in position of the clamping means weight.
  • an inoperative movement of the elevator car relative to the counterweight for example when the counterweight is stationary, has an effect in a movement of the weight of the clamping means, so that the detection of the speed of the weight of the clamping means makes it possible to detect an undesired operating state independently of the initial position of the weight of the clamping means.
  • the speed detecting device comprises a magnetic rod which is at least partially magnetically formed, and at least one coil element which encloses the magnetic rod in sections and that the magnetic rod and the coil element are arranged so that a movement of Clamping weight causes a relative movement between the magnetic rod and the coil element.
  • the magnetic rod can be connected by means of a bracket or the like with the clamping means weight, so that the magnetic rod moves together with the clamping means weight.
  • the coil element can be arranged in a stationary manner and be connected, for example, via a carrier to a floor or wall of an elevator shaft or other limitation of the travel area of the elevator car, such as a foundation of a truss structure.
  • a control device which is connected to the speed detection device, wherein the control device stops the elevator car when a threshold value is exceeded.
  • This threshold value is predetermined in relation to a maximum permissible speed of movement of the weight of the clamping means.
  • the control device can actuate, for example, a safety relay for a safety chain for triggering an emergency stop.
  • the threshold value can be fixed to such an extent that the speed detection device, when the elevator car or the counterweight drifts onto a buffer or when the elevator car or the counterweight locks, is able to be fixed responds.
  • the speed detection device is connected to an evaluation device and that the control device is connected by means of a bus system with the evaluation device connected to the speed detection device. Via the bus system, the detected speed of the clamping means weight or a measured variable correlated with the speed of the clamping means weight can be output to the control device. Furthermore, the control device can also access the evaluation device and, if necessary, access the speed detection device, for example to carry out a functional check.
  • a second elevator car and a second counterweight associated with the second elevator car are suspended from a second traction means connected to the second elevator car and the second counterweight.
  • a second sub-clamping means is suspended on the one hand on the second counterweight and on the other hand on the second elevator car.
  • a second tensioner weight is provided which tensions the second sub-tensioning means.
  • a second measuring device preferably a second speed detecting device, is provided for the second clamping means weight, which serves for detecting a movement of the second clamping means weight.
  • Fig. 1 shows an elevator system 1, which is arranged in an elevator shaft 2, which is bounded by lateral walls 3, 4 and a bottom 5 and a ceiling 6.
  • the elevator installation 1 can be constructed very high and, for example, have an elevator shaft 2 with a height of 300 m or more.
  • the elevator installation 1 has a first elevator car 7 and a second elevator car 8, wherein the first elevator car 7 is arranged under the second elevator car 8.
  • the two elevator cars 7, 8 can be moved up and down independently of one another along a roadway usable by both elevator cars 7, 8.
  • the roadway is located in the elevator shaft 2, wherein one or more elevator car guide rails or the like are provided, which are not shown to simplify the schematic representation.
  • the lower, first elevator car 7 is suspended on a traction means 10 with two traction element strands 10.1, 10.2 substantially point-symmetrically with diagonally opposite force introduction regions and in the ratio 1: 1.
  • the traction means 10 also has the function of a suspension means.
  • the first traction element line 10.1 of the first elevator car 7 has a first end 11.1 and a second end 12, which are fastened to the elevator car 7 or to an associated counterweight 18.
  • a first auxiliary roller 16.1 is mounted in the upper area of the hoistway 2 in the area of the ceiling 6, around which the first traction element line 10.1 is guided.
  • first traction element strand 10.1 runs around a first traction sheave 17.1, which likewise extends in the area of the ceiling 6 mounted above stationary in the elevator shaft 2, that is connected to a fixed in the elevator shaft 2 drive machine unit. From the first traction sheave 17.1, the first traction element strand 10.1 finally extends to the associated counterweight 18, to which the first traction element strand 10.1 is fastened.
  • the second traction element strand 10.2 of the first elevator car 7 has a first end 11.2 and a second end 12, which are fastened to the elevator car 7 or to the associated counterweight 18.
  • a second auxiliary roller 16.2 is mounted in the upper region of the elevator shaft 2 in the region of the ceiling 6, around which the second traction element strand 10.2 is guided.
  • the second traction link 10.2 runs around a second traction sheave 17.2, which also mounted in the ceiling of the top 6 in the hoistway 2 stationary, that is connected to a mounted in the elevator shaft 2 drive machine unit. From the second traction sheave 17.2, the second traction element strand 10.2 finally extends to the associated counterweight 18, to which the second traction element strand 10.2 is fastened.
  • the first and second traction sheave 17.1, 17.2 are preferably located on a common drive axle.
  • the two traction sheaves 17.1, 17.2 designed as an integral traction sheave, the corresponding guide grooves for receiving both Switzerlandstoffstrnature 10.1, 10.2 has.
  • the two traction sheaves 17.1, 17.2 or an integral traction sheave can be driven by a drive machine unit.
  • a Unterspannstoff 19 is provided, wherein a First end 20 of the lower clamping means 19 is suspended at the bottom of the first elevator car 7 and a second end 21 of the lower clamping means 19 is suspended at the bottom of the first counterweight 18.
  • the lower clamping means 19 is tensioned by means of a clamping means weight 22.
  • a roller assembly 23 with rollers 24, 25 is provided, which is connected to the clamping means weight 22, so that the lower clamping means 19 passes around the roller assembly 23.
  • the second elevator car 8 is suspended centrally in a 1: 1 suspension on a second traction means 30, which also serves as a suspension element.
  • a first end 31 of the traction means 30 is attached to the second elevator car 8, preferably on the ceiling.
  • a second end 32 of the traction means 30 is attached at the top to a second counterweight 33 associated with the second elevator car 8.
  • the traction means 30 is guided around an auxiliary roller 34 and a traction sheave 35, wherein the traction sheave 35 is arranged at the top of the elevator shaft 2 in the region of the ceiling 6 and connected to a fixedly mounted drive unit.
  • a second sub-clamping means 36 is provided with two clamping means strands 36.1, 36.2.
  • a first end 37 of the first and second tensioning means 36.1, 36.2 is attached to a second associated counterweight 33.
  • the first and second tensioning medium strands 36.1, 36.2 are guided around a roller arrangement 39, which receives a second tensioning weight 42.
  • the first tensioning medium strand 36.1 is guided by two rollers 40.1, 41.1.
  • the second tensioning medium strand 36.2 is guided by two further rolls 40.2, 41.2.
  • a second end 47.1 of the first tensioning medium strand 36.1 and a second end 47.2 of the first tensioning medium strand 36.2 on the Bottom of the second elevator car 8 substantially point-symmetrically secured with diagonally opposite attachment points.
  • the tensioning weight 22 is assigned to the first elevator car 7.
  • the second tensioning means weight 42 is assigned to the second elevator car 8. Furthermore, the clamping means weights 22, 42 in the region of the bottom 5 of the elevator shaft 2, that is below in the elevator shaft 2, are arranged.
  • the tensioning weight 22 is assigned a measuring device 80 for the tensioning weight 22. Furthermore, the tensioning means 42 is assigned a measuring device 51 for the tensioning means weight 42.
  • the measuring devices 80, 51 are in the Fig. 1 shown schematically, the embodiment also with reference to the Fig. 2 to 6 is explained in more detail with reference to possible embodiments of the measuring device as a speed detection device 80.
  • the measuring devices 80, 51 may also be designed as a position detection or acceleration detection device.
  • the measuring devices 80, 51 are equipped with position or with acceleration detection means, such as position sensors or light barriers or acceleration or inertial sensors.
  • Fig. 2 shows an elevator system 1 according to a second embodiment of the invention in a schematic representation.
  • the elevator installation 1 has, in this exemplary embodiment, an elevator car 7 which is accessible via the Traction means 10 is connected to the counterweight 18.
  • the traction means 10 passes over the traction sheave 17, which is connected to a fixedly mounted drive unit 17 '.
  • buffer devices 60, 61 are arranged, from each of which a hydraulically damped cylinder 62, 63 protrudes. It is in the Fig. 2 illustrated a situation in which the counterweight 18 is deposited on the cylinder 62 of the buffer device 60, wherein a delay of the counterweight 18 has taken place during the deposition, in order to prevent an abrupt impact on the buffer device 60. Further, the traction sheave 17 rotates in the direction of rotation 64, so that a tensile force is exerted on the traction means 10 in the direction of rotation 64.
  • the piece of traction device 10 between the counterweight 18 and the traction sheave 17 is relieved.
  • the traction means 10 can slip due to the relief on the traction sheave 17.
  • the piece of traction mechanism 10 between the counterweight 18 and the traction sheave 17 already has a high dead weight. This dead weight acts in a direction 65 on the traction means 10 in the region of the traction sheave 17. This forms a slack rope 66 or the like, as shown in the Fig. 2 is illustrated.
  • the elevator car 7 is thereby raised further in a direction 67 upwards, although the counterweight 18 is already standing.
  • the formation of slack rope 66 or the like may also already during the delay the counterweight 18, which is effected by pressing the hydraulically damped cylinder 62 in the buffer device.
  • slack rope 66 or the like that is an over-traction, when using polyurethane sheathed cables as traction means 10 or when using V-ribbed belt as traction means 10 even at relatively low heights of the elevator system 1, for example at heights of about 100 m or about 30 m, occur.
  • Aramid fibers can also be used with polyurethane sheathed traction means. The occurrence of the excess is therefore favored by high heights of the elevator system 1 and by a relatively large friction between the traction sheave 17 and the traction means 10th
  • the tensioning means weight 22 is moved with the roller assembly 23 at half the speed of the elevator car 7 in a direction 68.
  • the movement in the direction 68 can also begin during the deceleration of the counterweight 18.
  • a critical condition occurs when increasingly slack rope 66 or the like is formed when the counterweight 18 is released.
  • the clamping means weight 22 moves with the roller assembly 23 in the direction 68 at half the speed of the elevator car 7.
  • the measuring device 80 which serves on a guide 69 for the clamping weight 22 and the other is attached to the tensioning weight 22.
  • the embodiment of the measuring device 80 as a speed detection device 80 is below based on the Fig. 3 to 6 explained in further detail.
  • Fig. 3 shows a partial representation of an elevator system 1, which shows a tensioning means weight 22 in a guide 69.
  • the guide 69 is connected to the bottom 5 of the elevator shaft 2.
  • the roller assembly 23 is integrated into the clamping means weight 22.
  • the tensioner weight 22 is guided by the guide 69, wherein it is movable upwards and downwards, as illustrated by the double arrow 70.
  • the movement of the clamping means weight 22 is limited by a lower stop 71 and an upper stop 72.
  • a bracket 73 is attached on the tensioning weight 22, a bracket 73 is attached. With the bracket 73, an at least partially magnetically formed magnetic rod 74 is connected, which is arranged in sections in a protective tube 75.
  • the protective tube 75 is connected to a carrier of the guide 69. Thus, the magnetic rod 74 moves with the clamping means weight 22. And the protective tube 75 is arranged stationary. Movement of the tensioner weight 22 in a direction 70 therefore causes a relative movement between the magnetic bar 74 and the protective tube 75.
  • the magnetic bar 74 and the protective tube 75 are part of a speed detecting device 80 which detects movement of the tensioner weight 22 due to this relative movement.
  • the protective tube 75 of the speed detecting device 80 has coil elements 81, 82 (FIG. Fig. 5 ), which are connected via lines 83, 84 with a control device 85.
  • the coil elements 81, 82 are arranged inside the protective tube 75.
  • Fig. 4 shows a speed detecting device 80 for the in Fig. 3 shown clamping means weight 22 with a control device 85 according to a possible embodiment of the invention.
  • the magnetic rod 74 has at least one magnetic section 86.
  • the coil elements 81, 82 of the speed detecting device 80 are provided in the area of the magnetic section 86.
  • the coil elements 81, 82 are connected in this embodiment via a connecting line 87 in series.
  • a measured variable in the form of a voltage or measuring voltage is generated between the lines 83, 84, as can be seen from FIGS Fig. 5 is explained in detail.
  • the coil elements 81, 82 are connected to a comparator 90 designed as a voltage comparator, which compares the between the lines 83, 84 with a threshold voltage which is provided by an adjustable threshold value memory 91.
  • the adjustable threshold memory 91 may be configured, for example, as an adjustable resistor. If the measurement voltage between lines 83, 84 exceeds the threshold voltage, then comparator 90 drives a safety relay 92.
  • the safety relay 92 is connected in a line 93 of a safety chain 93 ', wherein at an interruption of the safety chain 93' an emergency device 94 forces an emergency stop the elevator car 7.
  • a power supply 95 is also provided.
  • the control device 85 has a sensor test device 96, which serves to test the functionality of the speed detection device 80.
  • the sensor test device 96 can check whether a current flow via the lines 83, 84 and the coil elements 81, 82 and the connection line 87 is possible.
  • a self-test device 97 is provided with which a self-test of the comparator 90 is possible.
  • a manually operable reset button 98 is provided. After the release of an emergency stop by the emergency stop 94, a suitable operator must be called to check the lift. After verification, the speed sensing device 80 may be returned to its initial state via the reset button 98, with the safety relay 92 closing the safety chain 93 '.
  • the speed detection device 80 may be remotely controlled, for example, reset by service personnel from a monitoring center.
  • the elevator system is connected by signal transmission means, such as a line or radio, with the monitoring center.
  • Fig. 5 shows a section of the in Fig. 4 shown speed detecting device 80 in a detailed schematic representation.
  • the magnetic portion 86 is shown, which is arranged within the coil elements 81, 82.
  • induction voltages U1 and U2 are generated between the respective ends of the coil elements 81, 82 by magnetic induction.
  • the coil elements 81, 82 connected in series via the connecting line 87, so that the individual voltages U1 and U2 to add the total voltage U1 + U2.
  • the induction voltages U1 and U2 it is also possible for the induction voltages U1 and U2 to be evaluated separately by a control device 85.
  • a line 87 'in addition to the controller 85 are performed.
  • a line 87 'and two lines 83', 84 '( Fig. 6 ) to be able to evaluate the two induced voltages U1 and U2 completely separated from each other.
  • the total voltage U1 + U2 can thus serve as the measuring voltage for the speed detecting device 80. Or two measuring voltages are used, namely the individual voltages U1 and U2.
  • the configuration of the coil elements 81, 82 with respect to the magnetic portion 86 may be such that the generated voltages U1 and U2 are at least substantially proportional to the speed of the tensioner weight 22.
  • This sensor has a high operability because it operates without contact and no electrical power supply for the speed detection device 80 is required.
  • the power supply 95 for the control device 85 may be battery or accumulator-buffered, wherein the control of the safety relay 92 can be made so that in case of lack of functionality, especially in case of failure of the power supply, the controller 85 the Safety chain 93 'is interrupted.
  • the controller 85 may be configured without a microprocessor and corresponding software. As a result, a simple structure is possible and high reliability can be ensured. If the speed of the tensioning weight 22 becomes too great, in particular if the speed of the tensioning weight 22 is equal to half the speed of the elevator car 7, the safety relay 92 opens the safety chain 93 '.
  • the threshold value of the threshold value memory 91 required for this purpose is set so low that, taking into account a safety margin, the control device 85 responds.
  • the length of the magnetic rod 74 may be, for example, equal to the length of the possible stroke of the clamping means weight 22 plus a certain length for attachment to the bracket 73.
  • Fig. 6 shows the in Fig. 4 Speed detection device 80 shown, which is connected via an evaluation device 100 and a bus system 101 to a control device 102, according to another possible embodiment of the invention.
  • the coil elements 81, 82 are connected to the evaluation device 100 via the lines 83, 83 'or 84, 84'. Due to the separate connection of the coil elements 81, 82 with the evaluation device 100, the induced voltages U1, U2 can be detected separately, which improves safety is.
  • the evaluation device 100 evaluates the induced voltages U1, U2, for example by means of suitable analog / digital converters and outputs this data with respect to, for example, a bus clock of the bus system 101 via the bus system 101.
  • the evaluation device 100 may be connected to the bus system 101 on one side, as illustrated by the data arrow 103. However, it is also possible that the evaluation device 100 receives data from the bus system 101, as illustrated by the data arrow 104. Thus, the evaluation device 100 is coupled to the bus system 101 at least in one direction.
  • the bus system 101 is also linked to the control device 102, which can access the data transmitted via the bus system 101 and send data via the bus system 101 to other devices, in particular to the evaluation device 100.
  • the control device 102 can evaluate the data obtained by the evaluation device 100 and, if necessary, initiate an emergency stop of the elevator car 7.
  • the evaluation device 100 already undertakes an extensive evaluation of the induced voltages U1 and U2 of the coil elements 81, 82, wherein, in particular, the comparator 90 and a threshold value memory 91, as described with reference to FIG Fig. 4 are described, may be integrated into the evaluation device 100. In this case, the evaluation device 100 can report via the bus system 100 whether an emergency stop is required or not.
  • control device 102 can thereby conclude an error in the evaluation device 100.

Claims (10)

  1. Installation d'ascenseur (1) avec au moins une cabine d'ascenseur (7) et un contrepoids (18) associé à la cabine d'ascenseur (7), qui sont suspendus à au moins un moyen de traction (10), une poulie motrice (17) sur laquelle passe le moyen de traction (10), au moins un moyen de tension inférieur (19) qui est suspendu au contrepoids (18) et à la cabine d'ascenseur (7), et un poids de moyen de tension (22) qui tend le moyen de tension inférieur (19), étant précisé qu'il est prévu un dispositif de détection de vitesse (80) pour le poids de moyen de tension (22),
    caractérisée en ce que le dispositif de détection de vitesse (80) détecte une vitesse du poids de moyen de tension (22), et en ce qu'il est prévu un dispositif de commande (85) qui compare à une valeur seuil une valeur de mesure correspondant à la vitesse détectée.
  2. Installation d'ascenseur selon la revendication 1, caractérisée en ce que le dispositif de détection de vitesse (80) comporte une barre aimantée (74) qui est conçue au moins en partie pour être magnétique, et au moins un élément de bobine (81, 82) qui entoure par zones la barre aimantée (74), et en ce que la barre aimantée (74) et l'élément de bobine (81, 82) sont disposés de telle sorte qu'un mouvement du poids de moyen de tension (22) provoque un mouvement relatif entre la barre aimantée (74) et l'élément de bobine (81, 82).
  3. Installation d'ascenseur selon la revendication 2, caractérisée en ce que la barre aimantée (74) est reliée au moins indirectement au poids de moyen de tension (22), et en ce que l'élément de bobine (81, 82) est disposé de manière fixe.
  4. Installation d'ascenseur selon la revendication 3, caractérisée en ce que l'élément de bobine (81, 82) est disposé dans un tube de protection fixe (75), et en ce que la barre aimantée (74) est disposée par zones dans le tube de protection (75) et est guidée dans ledit tube de protection (75).
  5. Installation d'ascenseur selon l'une des revendications 1 à 4, caractérisée en ce que le dispositif de commande (85) arrête la cabine d'ascenseur (7) en cas de dépassement de la valeur seuil, étant précisé que la valeur seuil est prédéfinie par rapport à une vitesse maximale autorisée du poids de moyen de tension (22).
  6. Installation d'ascenseur selon la revendication 5, caractérisée en ce que le dispositif de commande (85) comporte un comparateur de tension (90) qui compare à une tension de valeur seuil une tension de mesure émise par le dispositif de détection de vitesse (80), en ce que le dispositif de commande (85) comporte un relais de sécurité (92) d'une chaîne de sécurité (93') pour un arrêt d'urgence, et en ce que le relais de sécurité (92) est apte à être activé par le comparateur de tension (90).
  7. Installation d'ascenseur selon la revendication 5, caractérisée en ce que le dispositif de détection de vitesse (80) est relié à au moins un dispositif d'analyse (100), et en ce que le dispositif de commande (102) est relié dans au moins un sens, à l'aide d'un système de bus (101), au dispositif d'analyse (100) relié au dispositif de détection de vitesse (80).
  8. Installation d'ascenseur en particulier selon l'une des revendications 1 à 7, caractérisée en ce qu'il est prévu au moins une deuxième cabine d'ascenseur (8) et un deuxième contrepoids (33) associé à la deuxième cabine d'ascenseur (8), qui sont suspendus à au moins un deuxième moyen de traction (30), au moins un deuxième moyen de tension inférieur (36) qui est suspendu à un deuxième contrepoids (33) et à la deuxième cabine d'ascenseur (8), et un deuxième poids de moyen de tension (42) qui tend le deuxième moyen de tension inférieur (36), et en ce qu'il est prévu pour le poids de moyen de tension (42) au moins un deuxième dispositif de détection de vitesse (51) qui sert à détecter une vitesse du deuxième poids de moyen de tension (42).
  9. Procédé pour faire fonctionner une installation d'ascenseur (1) avec au moins une cabine d'ascenseur (7) et un contrepoids (18) associé à la cabine d'ascenseur (7), une poulie motrice (17), au moins un moyen de tension inférieur (19) qui est suspendu au contrepoids (18) et à la cabine d'ascenseur (7), et un poids de moyen de tension (22) qui tend le moyen de tension inférieur (19), comprenant les étapes suivantes :
    - détection d'une vitesse du poids de moyen de tension (22) ; et
    - comparaison d'une valeur de mesure correspondant à la vitesse détectée, à une valeur seuil.
  10. Procédé selon la revendication 9, comprenant les étapes suivantes :
    - prédéfmition de la valeur seuil par rapport à une vitesse maximale autorisée du poids de moyen de tension (22) ; et
    - arrêt de la cabine d'ascenseur (7) en cas de dépassement de la valeur seuil.
EP09765932.0A 2008-06-19 2009-06-19 Système d' ascenseur avec moyen de sous-tension Not-in-force EP2288563B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09765932.0A EP2288563B1 (fr) 2008-06-19 2009-06-19 Système d' ascenseur avec moyen de sous-tension

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP08158617 2008-06-19
EP09765932.0A EP2288563B1 (fr) 2008-06-19 2009-06-19 Système d' ascenseur avec moyen de sous-tension
PCT/EP2009/057699 WO2009153353A1 (fr) 2008-06-19 2009-06-19 Système d’ascenseur avec moyen de sous-tension

Publications (2)

Publication Number Publication Date
EP2288563A1 EP2288563A1 (fr) 2011-03-02
EP2288563B1 true EP2288563B1 (fr) 2013-08-28

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Family Applications (1)

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EP09765932.0A Not-in-force EP2288563B1 (fr) 2008-06-19 2009-06-19 Système d' ascenseur avec moyen de sous-tension

Country Status (7)

Country Link
US (1) US8528703B2 (fr)
EP (1) EP2288563B1 (fr)
CN (1) CN102066227B (fr)
BR (1) BRPI0914259B1 (fr)
CA (1) CA2727014C (fr)
HK (1) HK1153719A1 (fr)
WO (1) WO2009153353A1 (fr)

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EP3209589B1 (fr) 2014-10-21 2022-04-20 Inventio AG Ascenseur équipé d'un système de sécurité électronique décentralisé

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BRPI0821566A2 (pt) * 2007-12-21 2015-06-16 Inventio Ag Sistema de elevador com dois carros de elevador
KR101090345B1 (ko) * 2009-06-30 2011-12-07 창원대학교 산학협력단 차량용 파워램프 및 그 제어방법
WO2011131574A1 (fr) * 2010-04-19 2011-10-27 Inventio Ag Surveillance de l'état de fonctionnement de moyens de suspension dans une installation d'ascenseur
WO2012004268A1 (fr) * 2010-07-09 2012-01-12 Inventio Ag Surveillance des moyens de suspension dans une installation d'ascenseur
EP2574583A1 (fr) * 2011-09-30 2013-04-03 Inventio AG Réduction de l'excès de traction dans un ascenseur
EP2749519B1 (fr) * 2012-12-27 2020-07-22 KONE Corporation Ascenseur avec une courroie comprenant fibres non métalliques.
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US20110088980A1 (en) 2011-04-21
BRPI0914259B1 (pt) 2020-01-07
CN102066227A (zh) 2011-05-18
EP2288563A1 (fr) 2011-03-02
CN102066227B (zh) 2013-10-16
US8528703B2 (en) 2013-09-10
HK1153719A1 (en) 2012-04-05
CA2727014C (fr) 2016-08-16
CA2727014A1 (fr) 2009-12-23
BRPI0914259A2 (pt) 2015-11-03
WO2009153353A1 (fr) 2009-12-23

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