EP1616832A2 - Système d' ascenseur avec au moins trois cages verticales adjointes et la gérance d'un tel système - Google Patents

Système d' ascenseur avec au moins trois cages verticales adjointes et la gérance d'un tel système Download PDF

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Publication number
EP1616832A2
EP1616832A2 EP05106346A EP05106346A EP1616832A2 EP 1616832 A2 EP1616832 A2 EP 1616832A2 EP 05106346 A EP05106346 A EP 05106346A EP 05106346 A EP05106346 A EP 05106346A EP 1616832 A2 EP1616832 A2 EP 1616832A2
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EP
European Patent Office
Prior art keywords
elevator
shafts
cars
zone
area
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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.)
Withdrawn
Application number
EP05106346A
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German (de)
English (en)
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EP1616832A3 (fr
Inventor
Thomas Dünser
Philipp Angst
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Inventio AG
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Inventio AG
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Publication date
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Priority to EP05106346A priority Critical patent/EP1616832A3/fr
Publication of EP1616832A2 publication Critical patent/EP1616832A2/fr
Publication of EP1616832A3 publication Critical patent/EP1616832A3/fr
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B66B9/003—Kinds or types of lifts in, or associated with, buildings or other structures for lateral transfer of car or frame, e.g. between vertical hoistways or to/from a parking position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures

Definitions

  • the invention relates to elevator systems with juxtaposed, vertical elevator shafts and individually movable elevator cars, which can perform a shaft change, as well as a method for operating such elevator systems.
  • Each elevator system requires a certain amount of space in a building depending on the traffic volume.
  • the performance of an elevator installation can be expressed by the so-called handling capacity.
  • the handling capacity indicates how many people can be transported per minute at high traffic volumes, for example at the beginning of a working day in an office building.
  • One way to increase the handling capacity, without taking up too much space, is that several elevator cars can travel in one elevator shaft at the same time, or according to the paternoster principle, an up and down shaft in which several elevator cars are provided move in solidarity to a common, circulating support means.
  • elevator systems can be achieved by suitable measures that the time between the departure of a first elevator car and the arrival of another elevator car is optimally short.
  • An elevator system 10 which operates according to the paternoster principle, is shown schematically in a sectional view in FIG. 1, wherein, in this elevator system 10, unlike the paternoster elevator, the elevator cars move individually.
  • There are two vertical elevator shafts 11.1 and 11.1 are provided, in which move several elevator cars 16, which are driven individually or collectively.
  • At the upper and lower shaft end change points are provided to allow a horizontal displacement of the elevator cars 16.
  • the elevator cars 16 go left up and right down.
  • the individual floors are identified by the reference numerals 13.1-13.5. Moving from one slot to the other slot requires time, which limits the handling capacity of the elevator system 10.
  • US Pat. No. 3,658,155 describes a possible arrangement with two elevator shafts and a transition zone.
  • the elevator cars move individually along a rail device.
  • the invention is based on the fact that the relatively time-consuming processes, namely the loading / unloading of the elevator cars on the one hand and the shaft change of the elevator cars, on the other hand, are largely decoupled from one another spatially and temporally. This is achieved by adhering to certain criteria in the design and implementation of an elevator installation and by a suitable elevator control of the various processes that take place in such an elevator installation.
  • a first embodiment of the invention is described in connection with FIG. It is a lift system 20 in one schematic sectional view shown from one side.
  • the vertical elevator shafts 11.1, 11.2 and 11.3 may, but need not be spatially separated from each other.
  • a total of five floors 13.1 - 13.5 are served.
  • Within the elevator shafts 11.1, 11.2 and 11.3 are several individually movable elevator cars 16.1 - 16.9.
  • At least two transition zones 12.1 and 12.2 immediately adjacent to one another are provided in the region of an entry zone 17.1, which permit a displacement of the elevator cars 16.1 - 16.9 between the elevator shafts 11.1, 11.2 and 11.3.
  • the two transition zones 12.1, 12.2 lie directly above one another.
  • the lowest floor is considered in the present embodiment, which is designated in Fig. 2 with 13.1.
  • the entry zone may also be located in the area of a main entrance, a main entrance, or an entrance lobby (main lobby), for example.
  • the opened doors are shown in black.
  • the elevator installation 20 can now be operated as follows:
  • elevator cars 16.5, 16.6 are provided in at least two elevator shafts 11.1 and 11.2 in the area of the entry zone 17.1 for direct loading / unloading and transporting. Further elevator cars 16.7, 16.8, 16.9 are kept available in the area of transition zones 12.1, 12.2. These elevator cars move after each, if one of the elevator cars has left a boarding zone 17.1. In the exemplary embodiment shown, the elevator car 16.4 has started the upward movement and the elevator car 16.7 moves from the transition zone 12.1 ago.
  • the transition zones 12.1, 12.2 are designed to that the elevator cars can be moved horizontally individually or together.
  • At least one further transition zone 15.1 may be provided in the upper region of the elevator shafts 11.1-11.3, as shown in FIG.
  • elevator shaft a region is designated, which is designed for vertical up and / or downward movement of elevator cars.
  • elevator shaft In the interpretation of the term "elevator shaft” is to be considered, however, that in some elevator systems no shaft is provided in the true sense. For example, there are dispositions where the elevators are open to multiple sides and the elevator cars move along guide rails. The invention can also be applied to such elevator systems. It also needs, as already mentioned, no spatial separation between the individual elevator shafts of a lift system.
  • the elevator cars are individually movable.
  • the individual mobility can be realized in various ways, and there are several examples of such elevator systems known from the prior art, which can be used in connection with the invention. There are, however a condition that must be met in the context of the present invention.
  • the elevator cars must be designed so that they can be moved horizontally between the elevator shafts in addition to the vertical mobility or can automatically perform a horizontal displacement.
  • An entry level or multiple entry levels are called an entry level zone.
  • the ground floor is considered to be an entry-level zone, since here, depending on the layout of the entire building, a particularly large volume of traffic prevails.
  • the entry zone may also be located in the area of a main entrance, a main entrance, or an entrance lobby (main lobby), for example.
  • main lobby There are buildings that have a boarding area with two or more floors, often half floors. It is conceivable, for example, that from the ground floor a staircase leads to a first floor and there to one of the elevator shafts and a staircase in a first basement to another of the elevator shafts.
  • the corresponding floors are referred to together as the entry zone within the meaning of the invention.
  • An entry zone can also be arranged in another area of an elevator installation, for example in the upper shaft area. There may also be several entry zones in an elevator system.
  • entry level and entry level are synonymous synonymous for exit zones, respectively levels apply.
  • loading should also include unloading.
  • the direction of travel in the individual elevator shafts does not have to be fixed.
  • the invention can also be applied to elevator systems which have a fixed allocation of Up and down shafts as long as n ⁇ 3 elevator shafts are present.
  • the invention is essentially independent of the position and arrangement of the access openings, or the doors.
  • the doors in Figures 2, 3, 4 and 5B may be in the drawing plane or in another plane perpendicular to the plane of the drawing.
  • An example of such an elevator installation 20 is shown in FIG. 3, only the basic elements being shown here.
  • Within the elevator shafts 11.1, 11.2 and 11.3 are several individually movable elevator cars 16.1 - 16.9, which are currently in use (in motion). There are three immediately adjacent to each other, i.
  • transition zones 12.1, 12.2 and 12.3 provided in the area of the lower boarding zone 17.1, which allow a displacement of the elevator cars 16.1 - 16.12 between the elevator shafts 11.1, 11.2 and 11.3 and a deposit of elevator cars.
  • three elevator cars 16.10, 16.11 and 16.12 are deposited. Since these elevator cars 16.10, 16.11 and 16.12 are currently not in circulation, they are shown hatched. If necessary, one or more of the elevator cars 16.10, 16.11 and 16.12 can be removed from the depot and provided.
  • entry-level 17.1, 17.2 are in the present embodiment, the lowest floor 13.1 and the top floor 13.5 considered. In the example shown doors may be present on different floors, which are not shown in Fig. 3, however.
  • the left shaft 11.1 and the right shaft 11.3 are operated at the moment shown as upward shafts, and the middle shaft 11.2 serves as a downward shaft.
  • FIG. 4 An example of a further elevator installation 20 is shown in FIG. 4, whereby also here only the basic elements are shown.
  • Within the elevator shafts 11.1 - 11.4 are several individually movable elevator cars 16.1 - 16.14, which are currently in use.
  • There are three superimposed transition zones 12.1, 12.2 and 12.3 in the area of the lower boarding zone 17.1 are provided, which allow a displacement of the elevator cars 16.1 - 16.14 between the elevator shafts 11.1 - 11.4.
  • an elevator car 16.8 changes in the transition zone 12.1 from the elevator shaft 11.2 into the elevator shaft 11.1. Since just an elevator car 16.7 moves into the elevator shaft 11.4, the elevator car 16.9 can not make the shaft change in the area of the transition zone 12.1, but they must be moved down a transition zone, as indicated by a downward arrow.
  • Fig. 5B is a plan view of the elevator installation 20.
  • the transition zones can, as shown in these two figures, lie on one and the same level (floor).
  • Fig. 5B are various possible positions of the individual Elevator cabs indicated.
  • the elevator car 16.1 for example, moves horizontally from the transition zone 12.5 to the transition zone 12.4.
  • This shaft change takes place in a space which is located below the left elevator shaft 11.1.
  • the elevator car 16.2 moves horizontally from the transition zone 12.5 to the transition zone 12.4.
  • this shaft change takes place below the right elevator shaft 11.3.
  • the elevator car 16.5 moves horizontally from the transition zone 12.4 into the transition zone 12.5.
  • This shaft change takes place below the middle elevator shaft 11.2.
  • the two elevator cars 16.3 and 16.4 move horizontally in the transition zone 12.5 to the left or to the right.
  • Fig. 5A is a schematic side view of a lower portion of the elevator installation 20.
  • Fig. 5A shows a situation where an elevator car 16.6 is in vertical transition to the right shaft 11.3 but has not yet reached the boarding zone 17.1.
  • a further elevator car 16.7 is already moving horizontally in the transition zone 12.5, this transition zone 12.5 being upstream of the transition zone 12.4.
  • the two elevator cars 16.6 and 16.7 do not collide.
  • the elevator cars can be moved horizontally both in the transition zone 12.4 and in the transition zone 12.5.
  • a transition into the elevator shafts 11.1, 11.2, 11.3 is possible only from the transition zone 12.4.
  • the elevator car 16.1 moves horizontally from the transition zone 12.5 into the transition zone 12.4 in such a way that it can then be taken over directly by the transition zone 12.4 into the elevator shaft 11.3.
  • the elevator car 16.2 moves horizontally to the right in the transition zone 12.5.
  • the elevator car 16.3 moves horizontally from the transition zone 12.5 into the transition zone 12.4 in such a way that it can then be taken over directly by the transition zone 12.4 into the elevator shaft 11.1.
  • the elevator cars 16.4 and 16.5 move within the transition zone 12.5 horizontally in the negative x-direction.
  • the transition zone 12.5 serves as a kind of circulation zone, which allows a very flexible moving and providing the individual elevator cars.
  • One of the transition zones can be designed as a depot zone (see, for example, FIG. 3), in which a certain number of elevator cars are kept ready for use, so that they can be moved relatively quickly if required. h., If possible without previous transverse movement - can be moved in a boarding zone 17.1.
  • the depot zone also offers the opportunity to carry out maintenance or repair work on the elevator cars.
  • the transition zones can also lie on one and the same level. In this case, however, the transition zones extend into the depth of the building (see, for example, Figures 5A, 5B and 6).
  • the transition zones can be equipped with different change mechanisms, preferably one of the transition zones allows a faster shaft change (fast transition zone) than the other, slower transition zone. However, the slower transition zone then preferably has a greater absorption capacity than the fast transition zone.
  • a special provisioning procedure may be provided to be able to provide elevator cars according to a specification at the various positions in the elevator installation 20, this provisioning procedure preferably being carried out when there is little or no need for transportation. This can ensure that the elevator installation 20 is in a defined initial state before an increased need for transport arises.
  • one or more of the transition zones are designed such that they have an access opening, can be used as a depot plane (for example, 12.3 in FIG. 3), and / or can be used as a service area.
  • Such an access opening may, for example, serve as access to a boiler room or other rooms that are less frequented. It can also, if it is at the top of the elevator installation 20, serve as access to a roof level.
  • the elevator installation has an elevator control, which is preferably designed so that demand-dependent provision of empty elevator cars takes place.
  • empty elevator cars in the transition zones 12.1 - 12.4, 15.1, 15.2 are deposited in waiting positions near the boarding zones 17.1, 17.2, in order to enable a fast deployment in the case of a request call.
  • the demand-dependent provision of elevator cars can also take place on different floors.
  • each of the elevator cars 16.1-16.14 has a self-sufficient, cabin-side linear drive, which makes it possible to move the elevator cars 16.1-16.14 independently in the vertical direction in the elevator shafts 11.1-11.4.
  • a non-energized driving part e.g., the secondary part of a linear motor drive
  • the linear drive has a control, which makes it possible to control the linear drive so that it causes an upward movement or a downward travel of the corresponding elevator car 16.1 - 16.14 in the respective elevator shaft 11.1 - 11.4.
  • the elevator cars 16.1-16.14 have a drive to move the elevator cars 16.1-16.14 independently in a horizontal direction from an elevator shaft 11.1-11.4 into a transition zone 12.1-12.4, 15.1, 15.2 or out of a transition zone 12.1-12.4. 15.1, 15.2 can be moved out.
  • this drive is designed so that a horizontal displacement within the transition zones 12.1 - 12.4, 15.1, 15.2 is possible.
  • the elevator cars 16.1-16.14 are indeed equipped so that they can move vertically and individually in the elevator shafts individually, but they are on entering the transition zones 12.1 - 12.4, 15.1, 15.2 of a stationary change mechanism (for example in the form of a displacement direction or by (conveying) means), which accomplishes the change.
  • a stationary change mechanism for example in the form of a displacement direction or by (conveying) means
  • the elevator cars 16.1 - 16.14 then change back into a mode that allows an individual and almost autonomous, vertical movement.
  • the existing linear drive which is used to move the elevator cars 16.1-16.14 vertically, can be swiveled around so that this linear drive can also be used to effect the horizontal displacement between adjacent elevator shafts 11.1-11.4 in the area of the changeover zones.
  • An exemplary technical realization can be found in the aforementioned publication EP 1367018-A2.
  • the elevator cars 16.1-16.14 can also be provided with a friction wheel drive, gear drive, rack drive or the like.
  • the elevator system 20 has an elevator control.
  • the elevator control is designed so that a so-called demand profile is consulted in order to enable the demand-dependent provision of empty elevator cars 16.1-16.14.
  • a demand profile can be fixed or it can adapt dynamically.
  • the demand profile is stored in a memory.
  • Particularly suitable is a demand profile in which certain basic requirement patterns are predetermined, but which evolve automatically by observing the daily elevator operation.
  • the elevator control system preferably has routine procedures which stipulate the provision and movement of the elevator cars 16.1-16.14 in the transition zones 12.1-12.4, 15.1, 15.2 on the basis of certain rules.
  • the elevator installation is designed so that it is checked before carrying out a change of an elevator car from one of the elevator shafts into another elevator shaft, whether the corresponding elevator car is empty.
  • sensors may be mounted in or on the elevator car. Only then is the shaft change introduced and carried out in the area of a transition zone.
  • a further embodiment of the invention is characterized in that there are cross connections on intermediate storeys, which enable elevator cars to be moved horizontally into another shaft even before reaching the upper or lower shaft end.
  • elevator cars can be moved early if necessary to return to the starting point without having to drive along the entire building height.
  • This embodiment increases the flexibility in providing elevator cars.
  • shaft changes in the area of the transition zones 12.1 - 12.3, respectively 15.1 - 15.2, can take place while in an adjacent boarding zone 17.1 or 17.2 elevator cars are loaded / unloaded.
  • the handling capacity per building area occupied by the elevator installation can be increased by a factor of up to 4 compared to conventional elevator installations.
  • an elevator installation according to the invention can be designed such that it occupies approximately 4 times less shaft area. The increased number of individually movable elevator cabins and the additional Space requirements for the transition zones are not so significant.
  • the handling capacity per lift shaft is maximized and the volume of the shaft converted relative to the traffic performance is minimized.
  • an elevator installation and a method that allow good flow rates at a reasonable construction cost offers great flexibility, since empty elevator cars can be provided at different points in case of need.
  • transition zone with depot area has the advantage that only the currently required number of elevator cars must be kept in circulation. This has, for example, an influence on the overall energy balance of an elevator installation. In addition, the wear is reduced because the elevator cars are not constantly in use.
  • the waiting times in front of the elevator shafts and the residence time in the elevator cars are shortened by the invention.
  • the construction costs can be reduced compared to conventional approaches.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Structural Engineering (AREA)
  • Elevator Control (AREA)
  • Types And Forms Of Lifts (AREA)
EP05106346A 2004-07-15 2005-07-12 Système d' ascenseur avec au moins trois cages verticales adjointes et la gérance d'un tel système Withdrawn EP1616832A3 (fr)

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EP04405453 2004-07-15
EP05106346A EP1616832A3 (fr) 2004-07-15 2005-07-12 Système d' ascenseur avec au moins trois cages verticales adjointes et la gérance d'un tel système

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014201804A1 (de) * 2014-01-31 2015-08-06 Thyssenkrupp Elevator Ag Verfahren zum Betreiben eines Aufzugsystems
DE102014117373A1 (de) * 2014-11-26 2016-06-02 Thyssenkrupp Ag Aufzugsystem
DE102014224323A1 (de) * 2014-11-27 2016-06-02 Thyssenkrupp Ag Verfahren zum Betreiben eines Aufzugssystems
DE102015102563A1 (de) * 2015-02-23 2016-08-25 Thyssenkrupp Ag Verfahren zum Betreiben eines Aufzugsystems mit mehreren Schächten und mehreren Kabinen
DE102015102564A1 (de) * 2015-02-23 2016-08-25 Thyssenkrupp Ag Aufzugsystem mit mehreren Schächten und mehreren Kabinen und zusätzlichem Kabinenaufnahmeschacht
EP2041015B2 (fr) † 2006-06-07 2018-06-27 Otis Elevator Company Faire fonctionner moins que la totalité de multiples cabines dans une cage d'ascenseur suite à une panne de communication entre certaines ou toutes les cabines
DE102018201757A1 (de) * 2018-02-06 2019-08-08 Thyssenkrupp Ag Personenfördervorrichtung mit vorgegebener Fahrtrichtung
CN110203795A (zh) * 2019-07-03 2019-09-06 黄大伟 一种多箱体电梯及运行方法
CN110461749A (zh) * 2017-02-22 2019-11-15 蒂森克虏伯电梯股份公司 电梯系统和运行电梯系统的方法
US20210107766A1 (en) * 2017-03-29 2021-04-15 Thyssenkrupp Elevator Ag Lift system comprising a plurality of lift cars which have an identifier, and method for operating a lift system of this kind
DE102020205506A1 (de) 2020-04-30 2021-11-04 Thyssenkrupp Elevator Innovation And Operations Ag Aufzugssystem mit mehreren Aufzugskabinen
CN114455430A (zh) * 2020-11-07 2022-05-10 奥的斯电梯公司 电梯轿厢标识和跟踪
US11414296B2 (en) * 2016-08-09 2022-08-16 Kone Corporation Managing the number of active elevator cars in a multi-car elevator shaft system
DE102022110202A1 (de) 2022-04-27 2023-11-02 Tk Elevator Innovation And Operations Gmbh Aufzugsystem und Verfahren zum Betreiben eines Aufzugsystems
DE102022118518A1 (de) 2022-07-25 2024-01-25 Tk Elevator Innovation And Operations Gmbh Verfahren zum Betreiben einer Aufzugsanlage

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4946006A (en) * 1988-04-13 1990-08-07 T. K. M. Engineering Kabushiki Kaisha Elevator apparatus with a sectored vertical shaft and a turntable for transfering elevator cages between the individual sectors
EP1367018A2 (fr) * 2002-05-27 2003-12-03 Inventio Ag Ascenseur comprenant plusiers cabines auto-motrice et au moins trois gaines d'ascenseur disposé côte à côte

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4946006A (en) * 1988-04-13 1990-08-07 T. K. M. Engineering Kabushiki Kaisha Elevator apparatus with a sectored vertical shaft and a turntable for transfering elevator cages between the individual sectors
EP1367018A2 (fr) * 2002-05-27 2003-12-03 Inventio Ag Ascenseur comprenant plusiers cabines auto-motrice et au moins trois gaines d'ascenseur disposé côte à côte

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2041015B2 (fr) † 2006-06-07 2018-06-27 Otis Elevator Company Faire fonctionner moins que la totalité de multiples cabines dans une cage d'ascenseur suite à une panne de communication entre certaines ou toutes les cabines
DE102014201804A1 (de) * 2014-01-31 2015-08-06 Thyssenkrupp Elevator Ag Verfahren zum Betreiben eines Aufzugsystems
US10106372B2 (en) 2014-01-31 2018-10-23 Thyssenkrupp Elevator Ag Elevator systems and methods for operating same
DE102014117373A1 (de) * 2014-11-26 2016-06-02 Thyssenkrupp Ag Aufzugsystem
DE102014224323A1 (de) * 2014-11-27 2016-06-02 Thyssenkrupp Ag Verfahren zum Betreiben eines Aufzugssystems
US10464781B2 (en) 2014-11-27 2019-11-05 Thyssenkrupp Ag Method for operating an elevator system
DE102015102563A1 (de) * 2015-02-23 2016-08-25 Thyssenkrupp Ag Verfahren zum Betreiben eines Aufzugsystems mit mehreren Schächten und mehreren Kabinen
DE102015102564A1 (de) * 2015-02-23 2016-08-25 Thyssenkrupp Ag Aufzugsystem mit mehreren Schächten und mehreren Kabinen und zusätzlichem Kabinenaufnahmeschacht
WO2016135089A1 (fr) * 2015-02-23 2016-09-01 Thyssenkrupp Elevator Ag Système d'ascenseur comportant plusieurs cages et plusieurs cabines et une cage de réception de cabine supplémentaire
US11414296B2 (en) * 2016-08-09 2022-08-16 Kone Corporation Managing the number of active elevator cars in a multi-car elevator shaft system
CN110461749B (zh) * 2017-02-22 2021-11-23 蒂森克虏伯电梯股份公司 电梯系统和运行电梯系统的方法
CN110461749A (zh) * 2017-02-22 2019-11-15 蒂森克虏伯电梯股份公司 电梯系统和运行电梯系统的方法
US20210107766A1 (en) * 2017-03-29 2021-04-15 Thyssenkrupp Elevator Ag Lift system comprising a plurality of lift cars which have an identifier, and method for operating a lift system of this kind
DE102018201757A1 (de) * 2018-02-06 2019-08-08 Thyssenkrupp Ag Personenfördervorrichtung mit vorgegebener Fahrtrichtung
CN110203795A (zh) * 2019-07-03 2019-09-06 黄大伟 一种多箱体电梯及运行方法
DE102020205506A1 (de) 2020-04-30 2021-11-04 Thyssenkrupp Elevator Innovation And Operations Ag Aufzugssystem mit mehreren Aufzugskabinen
CN114455430A (zh) * 2020-11-07 2022-05-10 奥的斯电梯公司 电梯轿厢标识和跟踪
DE102022110202A1 (de) 2022-04-27 2023-11-02 Tk Elevator Innovation And Operations Gmbh Aufzugsystem und Verfahren zum Betreiben eines Aufzugsystems
DE102022118518A1 (de) 2022-07-25 2024-01-25 Tk Elevator Innovation And Operations Gmbh Verfahren zum Betreiben einer Aufzugsanlage

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