EP3233700A1 - Aufzugsanlage mit einem bremssystem - Google Patents
Aufzugsanlage mit einem bremssystemInfo
- Publication number
- EP3233700A1 EP3233700A1 EP15797352.0A EP15797352A EP3233700A1 EP 3233700 A1 EP3233700 A1 EP 3233700A1 EP 15797352 A EP15797352 A EP 15797352A EP 3233700 A1 EP3233700 A1 EP 3233700A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- brake
- electromechanical
- braking
- elevator
- safety device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009434 installation Methods 0.000 claims description 27
- 230000033001 locomotion Effects 0.000 claims description 18
- 238000004146 energy storage Methods 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 230000003111 delayed effect Effects 0.000 claims 1
- 238000011156 evaluation Methods 0.000 claims 1
- 239000000725 suspension Substances 0.000 description 5
- 230000004913 activation Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 230000032258 transport Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/027—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions to permit passengers to leave an elevator car in case of failure, e.g. moving the car to a reference floor or unlocking the door
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
Definitions
- the invention relates to an elevator installation with an electromechanical safety brake system.
- the elevator system is installed in a building. It consists essentially of a cabin, which is connected via suspension means with a counterweight or with a second car. By means of a drive which acts selectively on the support means, for example via support rollers or directly on the car or the counterweight, the car is moved along, substantially vertical, guide rails.
- the elevator system is used to transport people and goods within the building over single or multiple floors.
- the elevator system includes devices to secure the elevator car in the event of failure of the drive or the suspension means. These braking devices are usually used, which can slow down the elevator car on the guide rails in case of need.
- a safety device which monitors a movement of the elevator car and which, if necessary, can electrically control safety gears of the elevator car.
- Such electrically controllable safety gears are known for example from WO2013 / 139616.
- the invention aims to provide an elevator system with a safety system which operates safely, reliably and with high availability, which is inexpensive to manufacture and in operation and which requires little energy.
- an elevator system is equipped with an elevator car and with a brake system for braking the elevator car.
- the brake system includes at least one arranged on the elevator car electromechanical braking device, a safety device, and a power failure device.
- the safety device includes sensors. In this case, these sensors detect measured variables which depend on a movement of the elevator car.
- a sensor can be arranged, for example, on a carrying roller of the elevator car.
- necessary driving parameters can be derived from the quantities of motion detected by the sensors.
- comparison and monitoring routines the motion quantities and calculated driving parameters detected by the sensors are compared and monitored. As soon as the driving parameters exceed permissible limits, switching devices trigger necessary safety measures.
- One of these safety measures is an actuation or release of the electromechanical brake device.
- the electromechanical brake device of the brake system at least one standby position in which the elevator car is movable and it has a braking position in which the elevator car is braked.
- An actuator is in this case designed to hold the electromechanical brake device in the ready position and, if necessary, the electromechanical brake device to move from the ready position to the braking position.
- the electromechanical braking device includes an energy store, which is designed to bring the electromechanical braking device in case of need from the standby position to the braking position.
- the electromechanical braking device includes a signal input which is in conjunction with a signal output of the safety device and the actuator controls or releases the actuator when switching the signal output as a result of exceeding the allowable limits, so that the actuator move the electromechanical braking device from the standby position to the braking position can.
- the electromechanical braking device includes a position indicator of the at least one operating state, such as the standby position or the braking position of the electromechanical brake device displays or outputs.
- the power failure device of the brake system includes an emergency power supply or an automatic reset device.
- an emergency power supply and an automatic back-up device are used at the same time.
- the emergency power supply in this case comprises a memory for storing electrical energy or a connection to an independent of a normal power source emergency power source.
- the emergency power supply provides an interruption of a normal power source advantageously without interruption, an electrical energy supply to the electromechanical Bremsein- direction and the safety device available.
- the power failure device of the brake system includes the automatic reset device.
- This comprises a decision algorithm for deciding on an actuation reason, if the electromechanical braking device is actuated, and it comprises a reset algorithm, which is automatically initialized and executed, provided that the decision algorithm ascertains an uncritical event as the actuation reason.
- An uncritical event is given, for example, when the electromechanical braking device or braking system is actuated as a result of a momentary or prolonged power interruption. Such an interruption can occur as a result of a fault in the power grid or it can occur as a result of deliberate shutdown of the power grid. This occurs, for example, when a hotel is operated only for a specific season and is unused for the rest of the year.
- a safe braking system can be provided which improves ecological values, availability and safety. This way, energy consumption can be optimized. Short-term power interruptions, such as accidental operation of a main switch, a power outage in the supply network, which automatically switches on the power supply after a short break, can advantageously be absorbed by the emergency power supply, while a longer interruption then triggers an automatic reset. An availability of the elevator system while respecting a low energy consumption is thereby optimized.
- the signal output of the safety device includes a first signal output and a second signal output.
- the first signal output opens a safety circuit of the elevator system, whereby an emergency stop of the elevator car is initiated and the second signal output releases the electromechanical brake device of the elevator car for braking.
- the security device includes a data memory.
- the data memory stores a version identification of the safety device.
- This version identification allows about the manufacturer of the device and the corresponding Specifications a traceability of the product and, accordingly, a constant review of a correct assignment. Also any experiences that were made with certain execution versions can easily be assigned to other attachments of the same version. Thus, overall, an improvement in the reliability of the product can be achieved.
- the version identification is preferably not changeable (Read only) burned in the data memory. It can be read out via a data interface.
- the electromechanical brake device includes a brake element and this brake element has a self-reinforcing structure.
- the actuator is designed so that it can move the brake element, if necessary, from the ready position to a brake start position.
- the brake element biases, during a travel movement of the brake device with respect to a brake counterpart with which the brake element in the brake starting position is in contact, the electromechanical brake device automatically from the brake starting position to a Bremsend ein. This Bremsend ein then determines the braking position of the braking device.
- the actuator can work with minimal force, since the brake element only has to be moved to the brake start position and moving into the Bremsend ein, which then corresponds to the actual braking position, carried out by a kinetic kinetic energy of the elevator itself.
- the electromechanical braking device can be built small and operated with low energy.
- the actuator includes an electromagnet or an electrically controllable driver. This can hold in energized state, the electromechanical braking device or its actuator in its standby position. In the de-energized state, this electromagnet or the electrically controllable driver releases the electromechanical brake device or its actuator, so that the electromechanical brake device can be moved into the braking position or at least into the brake starting position.
- the actuator or the electromagnet or driver contained in the actuator is designed such that the actuator can hold the electromechanical braking device in its standby position in the de-energized state and the actuator can move the electromechanical braking device in the energized state in the braking position or at least in the brake starting position.
- the actuator includes at least one lever system, a latch system and / or a spindle system and the energy storage of the electromechanical braking device includes at least one spring, a compression spring, a pneumatic or hydraulic pressure accumulator or a pyrotechnic gas generator.
- the energy content of the energy storage device is dimensioned such that in any case, sufficient energy is available to move the electromechanical braking device independently of an external electrical energy supply at least into the brake starting position.
- the brake system operates such that upon detection of an unwanted driving condition that requires intervention of the brake device of the elevator car, the safety device detects this state and switches the second signal output accordingly.
- This switching causes an electromagnet of the braking device, for example disabled so switched off.
- the actuator is released and the corresponding energy storage of the braking device brings the brake element for engagement, or in the brake starting position, with the counterpart, usually the guide rail of the elevator car.
- the brake element is moved further into the Bremsend ein, thereby biasing the braking device further, so that the corresponding braking force can be built and provided.
- this emergency power supply has a rechargeable battery, such as a capacitor or accumulator.
- a rechargeable battery such as a capacitor or accumulator.
- This is designed to ensure the power supply of the safety device and the electromechanical braking device for a predetermined time, wherein the predetermined time corresponds to at least a time period that requires an authorized person to manually move the elevator car to a floor after a power failure of the elevator system.
- a typical period of time for example, takes up to two hours. Within this time, a service center should be on hand to carry out the necessary exemption steps.
- the rechargeable battery of the emergency power supply is designed in addition to the safety device and the electromechanical braking device more consumers, such as a cabin light, a cabin ventilation, an information display and / or to provide an emergency call system with energy.
- a central control can distribute emergency reserves of the energy supply as necessary. For example, it can selectively switch consumers off to maintain cabin light and cabin ventilation for as long as possible.
- the rechargeable battery of the emergency power supply in the area of the elevator car, preferably as part of the safety device is arranged.
- the rechargeable battery of the emergency power supply is arranged in a control module of an elevator control.
- the safety device is designed such that it detects when the emergency power supply or the voltage supply falls below a critical voltage limit. Further, the safety device controls the actuator of the electromechanical brake device falls below the critical voltage limit such that the electromechanical brake device is moved into the braking position or at least in the brake starting position. At the same time, information according to which the braking device has been actuated for falling below the critical voltage limit is stored in the data memory of the safety device. Of course, this information can also be stored in a data memory outside the safety device, that is, for example, in the elevator control.
- the automatic return device of the brake system now has an analysis routine which, when the power supply of the safety device is switched on, performs a state analysis and which starts an automatic reset routine upon detection of the information in the memory, after which the braking device has been actuated for undershooting the critical voltage limit.
- the analysis routine or the automatic reset device delays the actual reset.
- the provision may be connected depending on the design of the electromechanical brake device with a sequence of movement of the elevator car. Such movements then take place via the drive of the elevator installation and this requires a lot of energy.
- the delay of the reset thus helps to avoid or reduce peak loads of the electrical network when restarting.
- Such a delay time can be, for example, around five minutes.
- the reset routine initializes an information display or information announcement that informs any passengers of the elevator car.
- This information may include messages such as "Power failure", “System check in progress” or “Reset trip follows”.
- the brake system includes two electro-mechanical brake devices disposed on the elevator car, each including an electromagnet or driver. These can hold the electromechanical brake devices in their standby position and an activation of these electromagnets or drivers switches the two electromagnets or drivers serially one behind the other.
- These two electromechanical brake devices are advantageously each connected via a connecting cable to the safety device, said connection cable in addition to wires which connect the electromagnets or drivers connecting wires which transmit information of the position indicator of the electromechanical brake devices to the safety device.
- the brake system includes two arranged on the elevator car electromechanical brake devices, each including an electromagnet or driver can release the electromechanical brake devices when needed, so that the electromechanical brake devices can be moved to its braking position.
- the control of these solenoids or drivers controls the two solenoids or drivers in parallel with these two electromechanical brake devices are each connected via a connecting cable to the safety device.
- this connection cable has, in addition to the wires that connect the electromagnet or driver, connecting wires, which transmit information to the position indicator of the electromechanical braking devices to the safety device.
- the safety device also releases the other of the two electromechanical brake devices.
- 1 is a schematic view of an elevator system in side view
- FIG. 3 is a schematic view of an electromechanical braking device
- Fig. 4 is a schematic overview of an entire brake system.
- the same reference numerals are used across the figures for equivalent parts.
- Fig. 1 shows an elevator system 1 in an overall view.
- the elevator installation 1 is installed in a building and serves to transport persons or goods within the building.
- the elevator installation 1 is installed in a shaft 6 of the building and includes an elevator car 2 which can move up and down along guide rails 10.
- the elevator car 2 opens up several stops 11 of the building.
- a drive 5 serves to drive and hold the elevator car 2.
- the drive 5 is arranged, for example, in the upper region of the shaft 6 and the car 2 is connected to the drive 5 by means of suspension elements 4, for example suspension cables or carrying belts.
- the elevator car is with a gear ratio connected to the elevator car 2 and counterweight 3.
- 3 support rollers 9 are attached to the elevator car 2 and counterweight and the support means 4 are umgesammlung about these support rollers 9.
- the support means 4 are guided via the drive 5 to the counterweight 3.
- the counterweight compensates for a mass fraction of the elevator car 2, so that the drive 5 for
- the drive 5 could also be arranged at a different location in the building, or in the area of the car 2 or the counterweight 3.
- the drive 5 is controlled by an elevator control 7.
- the elevator car 2 is equipped with a braking system 15 which is suitable for securing and / or decelerating the elevator car 2 during an unexpected movement or at overspeed.
- the brake system 15 consists of several components.
- An electromechanical braking device 20 is arranged below the car 2 in the example.
- the electromechanical braking device 20 is electrically connected to a safety device 30 and controlled by this.
- a power failure device 50 which in the example is assembled with a safety device 30, controls the brake system in the event of an interruption of a power supply to the elevator installation.
- the elevator car 2 is above
- the hanging cable 8 connected to the elevator control 7.
- the hanging cable contains signal and power cables.
- the safety device 30 is connected to the elevator control via these signal lines.
- the signal lines can be implemented by means of a bus system or wireless signal transmissions are also possible.
- Fig. 2 shows the elevator system of Fig. 1 in a schematic plan view.
- the brake system 15 includes in the example two elevator brake devices 20, 20.1.
- the two elevator brake devices 20, 20. 1 are preferably designed identically or mirror-symmetrically and, if necessary, they act on the guide rails arranged on both sides of the car 2. 10.
- the guide rails 10 include for this purpose suitable braking surfaces, which in cooperation with the elevator brake devices 20, 20.1 a deceleration of the
- Elevator car 2 can cause.
- the safety device 30 is arranged on the cabin roof, so that it is easily accessible for service purposes.
- a movement sensor 31 of the safety device 30 is driven by the carrying roller 9 of the elevator car.
- the electromechanical brake device 20 includes a brake housing 29 and a brake element 25 in the form of a brake wedge.
- the brake housing is attached to the elevator car 2.
- the brake member 25 is self-reinforcing in cooperation with the brake housing 29.
- the brake member 25 is held by an actuator 21 in a standby position.
- An electromagnet 26 of the actuator 21 holds to an energy storage 22 in the form of a compression spring tensioned and the brake element 25 is located on the energy storage 22. This corresponds to the position shown in FIG.
- the electromechanical braking device 20 shown is symmetrical in itself. This means there are two brake elements 25 which are arranged on both sides of the guide rail 10 and which can clamp the guide rail if necessary. A position of the brake element 25 can be detected by means of a position indicator 24 and transmitted to the safety device 30 by means of a corresponding connection cable 27.
- the position indicators are designed in the form of microswitches. It may be used occasionally microswitch, which is a location of the
- a signal input 23 of the electromagnet 26 is also over
- the actuator 21 now further includes a reset unit 28.
- This reset unit 28 includes a spindle unit which can switch the electromagnet 26 back on and off so that the energy store 22 can be re-tensioned. In a subsequent return movement of the elevator car 2 is then the electromechanical braking device in turn completely reset.
- the reset unit 28 can accordingly be controlled by a reset algorithm 52.
- Electromechanical brake devices 20 operate with eccentric brake shoes, which are also released if necessary by means of an electromagnet and which are reset by means of spindle motors or which are reset by an engagement movement of the brake shoe itself, as for example also stated in EP1733992.
- the braking system 15 includes in the embodiment of Fig. 4, the safety device 30, the power failure device 50 and two electromechanical brake devices 20, 20.1.
- the electromechanical brake devices 20, 20.1 is essentially constructed as explained above.
- the safety device 30 comprises sensors 31, 32 for detecting states of motion of the elevator car 2, integration routines 37 for calculating driving parameters, comparison and monitoring routines 38 for comparing and evaluating the driving parameters of the elevator car 2 with one another and to limit values and switching devices 39 for triggering safety measures.
- the safety device 30 further has required interfaces or connection points 39, 39.1, 39.2 and connections 40 to the elevator control 7, to the safety circuit SK to the electromechanical brake devices 20, to the power failure device 50 and of course to a power supply UN.
- the connections 40 to the elevator control 7 preferably take place via a suspension cable 8 of the elevator installation 1.
- the connections can be realized by means of signal lines or by means of a bus system. Of course, wireless transmission systems are also possible.
- the electromechanical brake devices 20, 20.1 are connected via connecting cable 27 to the safety device 30.
- the electromechanical brake devices 20, 20.1 are controlled via the connection points 39.2 and the position indicator 24 of the electromechanical brake devices 20, 20.1 give corresponding position information of the brake element to the safety device 30 back.
- the power failure device 50 is assembled with the safety device 30.
- the power failure device 50 includes in the example an emergency power supply 51. This is powered by a conventional power source UN of the elevator system with electrical energy and stores the energy in rechargeable batteries or capacitors. These are dimensioned around the braking system 15 during shorter power cuts in its
- a shorter power shutdown is, for example, a shutdown a building supply during one night, so for about 12 hours. Thus, a part of the building that is not needed for half a day can be switched off.
- the emergency power supply 51 keeps the braking system 15 active during this time and the elevator system is ready for use immediately after switching on the power. For a longer one
- the power failure device 50 now includes an automatic restoring device 52.
- a decision algorithm 54 of the automatic restoring device 52 starts automatically when the power supply UN of the safety device 30 is switched on and performs a state analysis. If it is determined that the information IU of falling below the critical voltage limit and the resulting successful operation of the electromechanical brake device 20 is entered in the data memory 36 of the safety device 30, the automatic reset device 52 initializes the automatic reset algorithm 55. This now controls the electromechanical brake device 20, 20.1 on their reset unit 28 back to its ready position. In this case, the information IU in the data memory 36 is reset.
- this control takes place directly from the reset algorithm 55 to the reset unit 28, or the control takes place via the elevator control 7 of the elevator installation.
- the power failure device 50 can also be a part of the elevator control 7 as a whole.
- the illustrated arrangements can be varied by the person skilled in the art.
- the electromechanical brake devices 20 may be mounted above or below the car 2. It can also be used on a car 2 more Bremspaare.
- the brake system 15 may be attached to the counterweight 3 in case of need.
- the safety device 30 can be integrated in an elevator control or in a cabin computer. However, a separate from other devices execution of the safety device 30 has proven to be advantageous because it can be tested for themselves and possibly type-tested.
- a corresponding housing of the safety device 30 preferably has a geometric design which allows a clear arrangement on the cabin.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14198538 | 2014-12-17 | ||
PCT/EP2015/077173 WO2016096320A1 (de) | 2014-12-17 | 2015-11-20 | Aufzugsanlage mit einem bremssystem |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3233700A1 true EP3233700A1 (de) | 2017-10-25 |
EP3233700B1 EP3233700B1 (de) | 2023-08-23 |
Family
ID=52144433
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15797352.0A Active EP3233700B1 (de) | 2014-12-17 | 2015-11-20 | Aufzugsanlage mit einem bremssystem |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3233700B1 (de) |
CN (1) | CN107108154B (de) |
WO (1) | WO2016096320A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10889468B2 (en) | 2016-12-13 | 2021-01-12 | Otis Elevator Company | Electronics safety actuator |
DE102018205633A1 (de) * | 2018-04-13 | 2019-10-17 | Thyssenkrupp Ag | Aufzugsanlage |
EP3617120B1 (de) | 2018-08-30 | 2024-07-24 | Otis Elevator Company | Steuerung eines elektrischen aufzugssicherheitsaktuators |
EP3643666B1 (de) * | 2018-10-26 | 2021-04-28 | Otis Elevator Company | Aufzugsystem |
CN111268532B (zh) | 2018-12-04 | 2022-08-30 | 奥的斯电梯公司 | 超速保护开关、限速器组件以及电梯系统 |
JP7280709B2 (ja) * | 2019-02-20 | 2023-05-24 | 株式会社日立製作所 | エレベーター及びエレベーターの制御方法 |
CN110745662A (zh) * | 2019-10-30 | 2020-02-04 | 浙江丹森智能家居科技有限公司 | 轿厢绝对位置实时采集式无机房电梯 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1733992A1 (de) * | 2005-06-17 | 2006-12-20 | Inventio Ag | Bremsfangvorrichtung |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE59611367D1 (de) * | 1995-10-17 | 2006-08-31 | Inventio Ag | Sicherheitseinrichtung für eine Aufzugsgruppe |
US7575099B2 (en) * | 2003-10-07 | 2009-08-18 | Otis Elevator Company | Remotely resettable ropeless emergency stopping device for an elevator |
EP2043936B1 (de) | 2006-07-14 | 2016-09-28 | Wittur Holding GmbH | Mehrfunktionale elektronische notbremsfangeinrichtung typ,,isg |
WO2008136692A2 (en) * | 2007-05-02 | 2008-11-13 | Maglevvision Corporation | Multi-car cyclic magnetic elevator with gravity linear electric generator/motor |
WO2009072138A1 (en) * | 2007-12-06 | 2009-06-11 | Ramesh Kumar Chhabria | New mechanism for lifts |
CN101979301B (zh) * | 2010-05-11 | 2016-01-27 | 张应刚 | 循环运行的多轿厢电梯 |
AU2011344433B2 (en) * | 2010-12-17 | 2017-03-23 | Inventio Ag | Lift installation comprising car and counterweight |
AU2012238739A1 (en) * | 2011-04-05 | 2013-07-04 | Inventio Ag | Activating an emergency light unit |
EP2785626B1 (de) * | 2011-11-29 | 2015-10-14 | Inventio AG | Sicherheitsbremse mit zurückstellung |
PT2828188T (pt) * | 2012-03-20 | 2017-08-21 | Inventio Ag | Paraquedas numa instalação de elevador |
ES2673229T3 (es) * | 2012-10-18 | 2018-06-20 | Inventio Ag | Dispositivo de seguridad para una instalación de ascensor |
-
2015
- 2015-11-20 WO PCT/EP2015/077173 patent/WO2016096320A1/de active Application Filing
- 2015-11-20 CN CN201580069450.9A patent/CN107108154B/zh active Active
- 2015-11-20 EP EP15797352.0A patent/EP3233700B1/de active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1733992A1 (de) * | 2005-06-17 | 2006-12-20 | Inventio Ag | Bremsfangvorrichtung |
Non-Patent Citations (1)
Title |
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See also references of WO2016096320A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN107108154B (zh) | 2019-11-12 |
EP3233700B1 (de) | 2023-08-23 |
WO2016096320A1 (de) | 2016-06-23 |
CN107108154A (zh) | 2017-08-29 |
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