EP1818303B1 - Ascenseur sans local de machine. - Google Patents

Ascenseur sans local de machine. Download PDF

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Publication number
EP1818303B1
EP1818303B1 EP07001718A EP07001718A EP1818303B1 EP 1818303 B1 EP1818303 B1 EP 1818303B1 EP 07001718 A EP07001718 A EP 07001718A EP 07001718 A EP07001718 A EP 07001718A EP 1818303 B1 EP1818303 B1 EP 1818303B1
Authority
EP
European Patent Office
Prior art keywords
counterweight
deflection rollers
suspension
car
strands
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.)
Active
Application number
EP07001718A
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German (de)
English (en)
Other versions
EP1818303A1 (fr
Inventor
Falk Burkhardt
Heiko Thomas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aufzugteile BT GmbH
Original Assignee
Aufzugteile BT GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Priority claimed from DE200610005948 external-priority patent/DE102006005948A1/de
Application filed by Aufzugteile BT GmbH filed Critical Aufzugteile BT GmbH
Publication of EP1818303A1 publication Critical patent/EP1818303A1/fr
Application granted granted Critical
Publication of EP1818303B1 publication Critical patent/EP1818303B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/0065—Roping
    • B66B11/008—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B19/00—Mining-hoist operation
    • B66B19/007—Mining-hoist operation method for modernisation of elevators

Definitions

  • the invention relates to a machine room-less propulsion unit lift with an elevator car, which is movable along arranged on one side of the elevator car cabin guide rails.
  • traction sheave lifts or cable lifts are, for example, in the DE 299 24 429 U1 described. It describes an elevator system which includes an elevator car which can be moved vertically in a lift shaft along guide rails.
  • the guide rails for the elevator car are arranged as a compact kit on one side of the elevator car. This common type is called a backpack hanger or backpack kit.
  • suspension means a hoist rope is used. The hoist rope runs over a cable pulley installed in the upper region of the hoistway, via a cabin rope pulley arranged on the rail side of the cabin and via a counterweight rope pulley.
  • the backpack construction is advantageous because it is compact and inexpensive.
  • a plurality of adjacent hoisting ropes is used as the suspension means. These juxtaposed individual ropes form a rope bundle or a rope strand, which is guided together via a cabin rope pulley and a counterweight rope pulley.
  • the rope bundle or the strand thus requires a minimum width on these pulleys. If one adds the required width of these pulleys to the shaft layout plus the required safety distance between them and the shaft wall, the total space required for the backpack kit is obtained. Unfavorable in this aforementioned arrangement of the large space requirement in addition to the cabin, which is needed for the accommodation of the pulleys with your resting rope bundles or strands.
  • the pulley of the cab, the pulley of the counterweight and the upper pulley can be installed so that their planes of rotation run parallel to the shaft or cabin wall.
  • a problem with this arrangement is when changing from one rim of the pulleys to the other in the vertical direction oblique rope bundle, which is subject by the sloping entry into these pulleys increased wear and damage the pulleys.
  • the sheaves can be installed at an angle to the shaft or cabin wall, which unfavorably requires additional space.
  • the elevator car after EP-A-1 319 627 is managed centrally. There is no backpack design.
  • the drive shaft is arranged vertically to the shaft. The drive is flat and located in the top part of the elevator shaft. It is not possible to drive by the elevator car on the drive. To attach the guide rails next to the cabin many Components needed. The assembly effort is great and there is space in the elevator shaft given away. Access via three pages is also impossible here.
  • EP 1 520 831 A1 a traction sheave elevator in backpack design.
  • Two suspension element strands lead from the counterweight 4 via a deflection roller 8 to the driving body 5 of a hoisting machine 20 and from the driving body 5 via further deflection rollers 8 in two suspension element strands 9 to further deflection rollers 6, which are connected to the elevator car.
  • the aim of this invention is the elimination of the aforementioned problems.
  • the invention has for its object to disclose an elevator of the type mentioned, which is as compact as possible and the cabin dimension as large as possible in relation to the cross-sectional area of the elevator shaft. It should be achieved high security, low wear and low requirements for testing, maintenance and control tasks.
  • To achieve the object of the engine room-less propulsion system lift consists of an elevator car, which is movable along arranged on one side of the elevator car cabin guide rails and is suspended on this page in the ratio 2: 1 in pulleys.
  • a counterweight which is movable along counterweight guide rails, is connected to the car frame by means of the suspension means.
  • a drive system consisting of at least drive motor and drive body, is arranged in the shaft head.
  • the support means extend from the counterweight as suspension element total strand on the drive body and from there in at least two suspension element sub-strands to the deflection rollers on the elevator car.
  • the suspension element sub-strands are deflected on the cabin side by means of separate, spatially separated deflection rollers with separate axles.
  • the divided in at least two suspension element strands suspension element strand is deflected cabin side so that in the horizontal plane between the shaft and cabin wall on the side of the backpack kit, the areas of entry of Tragstoffstrnature can lie in their own pulleys in the direction of the drive shaft axis and parallel to the adjacent shaft wall.
  • only one area unit is occupied for each at least two suspension element sub-strands, which allows a significant space savings.
  • This elevator is due to the possibility of a larger cabin floor area, with the same manhole dimensions as a lift according to the prior art, very suitable for use in new buildings. Even for the replacement or modernization of old elevators a larger cabin floor area while maintaining the existing shaft geometry in the building is advantageous. The space requirements for one subsequently introduced into an existing building shaft are advantageously lower.
  • the safety of the users of the elevator according to the invention is increased by the use of multiple support means with the same space requirements and reduces the control effort of the support means.
  • Another advantage is that the vertical tangents of the supporting means of the drive body of the drive body with the vertical tangent of the support means of the deflection rollers is substantially aligned, causing minimal material wear and low cost of testing, maintenance and control tasks.
  • a further embodiment may be that one or more additional separate and spatially separated pulleys with separate axles are arranged in the cabin-side course of each suspension element sub-strand immediately following the deflection pulley. It is thus possible to produce a greater distance from the inlet point of the Tragstoffteilstrnature in the first pulley to the outlet point of the downstream pulley, which leads to an improvement in the handling of the elevator car and offers more planning variants and design options.
  • the total suspension element strand runs in at least two suspension element strands to the counterweight deflection rollers of the counterweight and the Tragstoffteilstrfite by means of their own, spatially separated Jacobissumlenkrollen be deflected with separate axes.
  • one or more additional counterweight deflection rollers with separate axes can be arranged immediately following the counterweight deflection roller. It is thus possible to produce a greater distance from the inlet point of a Tragstoffteilstranges in the first pulley to the outlet point of the downstream pulley which leads to improved smoothness of the counterweight.
  • a further expedient embodiment of the invention is that the axes of the deflection rollers and / or the counterweight deflection rollers are almost parallel to each other. This makes the best possible use of the available space on the kit side.
  • the suspension elements can run from the counterweight as suspension element overall strand over the propulsion body and from there into at least two suspension element sub-strands to the deflection rollers within the elevator cage.
  • the pulleys themselves and the associated suspension element strands are provided with a protective cover.
  • the suspension element sub-strands are deflected on the cabin side within the cabin by means of separate, spatially separated deflection rollers with separate axles.
  • the split in at least two suspension element strands suspension element strand is deflected cabin side so that in the horizontal plane, the areas of entry of the Tragstoffteilstrnature can lie in the lying inside the cabin own pulleys in the direction of the drive shaft axis and parallel to the adjacent shaft wall.
  • only one area unit is occupied again for at least two suspension element sub-strands, which allows additional space savings.
  • This elevator is due to the possibility of a larger cabin floor area with the same shaft dimensions for use in new buildings very well suited. Even for the replacement or modernization of old elevators a larger cabin floor area while maintaining the existing shaft geometry in the building is advantageous. The space requirements for a later introduced into an existing building shaft are advantageously lower.
  • a further embodiment may be that one or more additional separate and spatially separated pulleys with separate axles are arranged within the cabin in the cabin-side course of each suspension element sub-strand immediately following the deflection pulley.
  • Another embodiment of the invention is to replace an existing lift in backpack design with the elevator according to the invention completely or only partially. The required modification work on the building is thereby minimized.
  • the FIG. 1 shows a machine room-less propulsion system lift with an elevator car 1, which is movable along arranged on one side of the elevator car 1 cabin guide rails 2 and is suspended on this side in the ratio 2: 1 in two pieces of pulleys 5.
  • a counterweight 10 is suspended, which is movable along counterweight guide rails 11.
  • a drive system 12, which is formed gearless with drive motor 6 and disc-shaped drive body 4, is arranged in the head of the elevator shaft.
  • the propellant body 4 is provided in the embodiment as a flying disc.
  • the suspension element total strand 9 consists of two supporting cables designed as support cables, which extend from the counterweight 10 from above the propulsion body 4 and from there into two suspension element sub-strands 3 to the deflection rollers 5 on the elevator car 1. However, it can also find several support means use.
  • Each suspension element sub-strand 3 is deflected on the cab side by means of its own spatially separated deflection roller 5 with separate axles 7 in the direction of the shaft head and fastened to an upper support frame 13.
  • the elevator car 1 stands on an L-shaped cabin frame 8, which can also be installed turned by 180 ° in order to fasten the elevator car suspended thereon.
  • the upper support frame 13 is shown as a loaded on the guide rails, flat unit, but it is envisaged that this upper support frame 13 may also be connected in profiled shape in a suitable manner with the adjacent shaft wall.
  • the propellant body 4 and the guide rollers 5 may have grooves of semicircular cross section when using a nearly round support means, such as a steel wire rope.
  • the propellant body 4 can have undercut semi-circular grooves or also V-shaped grooves for improving the friction.
  • the areas of entry of the suspension element strands 3 in their own deflection rollers 5 are in the direction of the drive shaft axis one behind the other and parallel to the adjacent shaft wall.
  • Both deflection rollers 5 on the elevator car 1 are arranged on separate axles 7 on only one surface unit between the shaft wall and the elevator car 1.
  • the axes 7 of all pulleys 5 are parallel to each other in the example shown, the planes of rotation between the drive body 4 and the guide rollers 5 are at right angles to each other.
  • FIG. 2 shows the top view of FIG. 1 .
  • the individual suspension elements of the total suspension element strand are arranged side by side on the counterweight side. You can clearly see there the larger space required in the direction cabin-wall and the vertical skewing of the rope.
  • FIG. 3 shows a modified therein to the FIG. 1 in that the total suspension element strand 9 consists of six suspension cables and these run in two suspension element sub-strands 15, each with three suspension elements, to the deflection rollers 14 of the counterweight 10 and are deflected there by separate, spatially separated deflection rollers 14 with separate axles.
  • the drive has a cylindrical drive body 4 in the form of a drive tube with laterally arranged Fritationsnutept. Despite the separate position of the grooves, the entirety of the support means in the grooves is considered as a total support strand.
  • the drive tube also serves as a rotor for a stator arranged in the drive tube.
  • the drive is arranged between the car guide rails 2 almost averaged.
  • the suspension elements extend symmetrically between the car guide rails 2.
  • the two coming from the Schmidttheschrolle 14 counterweight sub-strands 15 form the suspension element total strand 9 and are guided over the common propellant body 4 in the form of a propellant tube. After the drive body 4, the counterweight sub-strands 15 are forwarded as suspension element sub-strands 3 to the respectively associated deflection rollers 5.
  • FIG. 4 shows the elevator according to the invention with flat driving belts.
  • Each drive belt forms in this example, the suspension element sub-strand 3.
  • the drive has a barrel-shaped drive body.
  • the counterweight 10 is hung directly in the example shown.
  • a suspension of at least 2: 1 is also possible in this embodiment with driving straps.
  • the car frame 8 is shown rotated by 180 ° to attach the elevator car 1 hanging thereon.
  • FIG. 5 shows a modified therein to the FIG. 3 in that a further separate and spatially separated deflecting roller 5a is arranged in the cabin-side course of each suspension element sub-strand 3 immediately following the own deflection roller 5.
  • the greater distance from the inlet point of the suspension element sub-strand 3 in the first guide roller 5 to the outlet point from the downstream guide roller 5a is clearly visible.
  • the counterweight 10 is not shown for the sake of simplicity.
  • the drive system 12 has a cylindrical drive body 4 in the form of a drive tube, with centrally arranged Frikomsnutungen. It is arranged almost centrally between the car guide rails 2 and is not in the vertical direction over this.
  • the upper support frame 13 is equipped with a receiving basket 16 for the drive.
  • the upper support frame 13 is shown as a flat unit loaded on the guide rails 2, but it is conceivable that this support frame 13 may also be suitably connected in profiled form to the adjacent shaft wall.
  • the respective rail side about the same size space between the car guide rail 2 and receiving basket 16 is used for the onward travel of the elevator car 1 in the vertical direction.
  • FIG. 6 shows the elevator of the invention similar FIG. 5 , with a suspension element total strand 9 of three support means, which extend from the counterweight 10 via the disc-shaped drive body 4 and from there in three suspension element strands 3 to the deflection rollers 5 on the elevator car 1.
  • Each suspension element sub-strand 3 is on the cabin side by means of their own, spatially separated deflection roller 5 with Separate deflection roller axis 7 deflected towards the shaft head and attached to an upper support frame 13.
  • the areas of entry of the three suspension element strands 3 in the guide rollers 5 are in the direction of the drive shaft axis one behind the other and parallel to the adjacent shaft wall.
  • the three guide rollers 5 and the guide roller 5a on the elevator car 1 are arranged on separate axes on only one surface unit between the shaft wall and the elevator car 1.
  • the suspension element total strand 9 leads on the counterweight side to a counterweight deflection rollers 14 and in the further course to a subsequent counterweight deflection rollers 14a.
  • the axes of the counterweight deflection roller 14 and the counterweight deflection roller 14a are again arranged parallel to each other. This ensures that a wide counterweight can be lifted in the middle despite one-sided arranged traction sheave.
  • Supporting means shown can also be suspension element sub-strands of a plurality of individual support means, as in FIG. 3 with two Tragstoffteilstrnature to three support means is the case.
  • FIG. 7 shows the vertical section of FIG. 6 . Clearly visible is the small footprint for the cabin-side suspension element strands 3 and the associated, own deflection rollers 5 and 5a.
  • each of the two outer of the three support means are inclined in their vertical course and run obliquely into the counterweight deflection roller 14.
  • FIG Fig. 8 Another embodiment is shown in FIG Fig. 8 shown.
  • FIG. 8 shows a machine room-less propellant lift with an elevator car 1, which is movable along arranged on one side of the elevator car 1 cabin guide rails 2 and in the ratio 2: 1 suspended in two pieces of pulleys 5.
  • a counterweight 10 is suspended, which is movable along counterweight guide rails 11.
  • a drive system which is formed gearless with drive motor 6 and disc-shaped drive body 4, is arranged in the head of the elevator shaft.
  • the propellant body 4 is provided in the embodiment as a flying disc.
  • the suspension element total strand 9 consists of two support cables designed as suspension elements, which extend from the counterweight 10 from above the propulsion body 4 and from there into two suspension element sub-strands 3 to the deflection rollers 5.
  • the two pulleys are arranged on the inside of the elevator car 1.
  • the support center sub-strands 3 extend through openings in the ceiling of the elevator car 1 to the respective guide rollers 5.
  • the components arranged within the cabin are provided with a panel 17. However, it can also find several support means use again.
  • Each suspension element sub-strand 3 is deflected on the cabin side by means of its own, spatially separated deflection roller 5 with separate axes in the direction of the shaft head and fixed to an upper support frame.
  • the areas of entry of the suspension element sub-strands 3 in their own deflection rollers 5 are in the direction of the drive shaft axis one behind the other and parallel to the adjacent Shaft wall.
  • Both pulleys 5 within the elevator car 1 are arranged on separate axes on only one surface unit.
  • the axes of all pulleys 5 are parallel to each other in the example shown, the planes of rotation between the drive body 4 and the pulleys 5 are at right angles to each other.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Types And Forms Of Lifts (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)

Claims (11)

  1. Ascenseur sans local de machine de type Rucksack
    - avec une cabine d'ascenseur (1) qui peut être déplacée le long de rails de guidage de cabine (2) disposés sur un côté de la cabine d'ascenseur (1), et qui est suspendue de ce côté dans un rapport 2:1 dans des poulies de renvoi,
    - avec un contrepoids (10) qui peut être déplacé le long de rails de guidage du contrepoids (11),
    - avec un système d'entraînement (12), constitué d'au moins un moteur d'entraînement (6) et d'un corps d'entraînement (4) qui est disposé dans la tête de la cage d'ascenseur,
    - avec un tronçon complet de moyens porteurs (9) constitué d'au moins deux moyens porteurs qui s'étendent depuis le contrepoids (10) en passant par le corps d'entraînement (4) et du corps d'entraînement (4) dans au moins deux tronçons partiels de moyens porteurs (3) jusqu'aux poulies de renvoi (5) sur la cabine d'ascenseur (1),
    - et dans lequel les tronçons partiels de moyens porteurs (3) sont renvoyés, du côté de la cabine au moyen de poulies de renvoi respectives propres (5), séparées spatialement, avec des axes séparés (7),
    caractérisé en ce que
    - le tronçon complet de moyens porteurs (9) est renvoyé du côté de la cabine de telle sorte que dans le plan horizontal entre la paroi de cage d'ascenseur et la paroi de la cabine, du côté du montage de type Rucksack, les régions d'entrée des tronçons partiels de moyens porteurs (3) se situent dans les poulies de renvoi propres (5) dans la direction de l'axe du corps d'entraînement et parallèlement à la paroi adjacente de la cage d'ascenseur.
  2. Ascenseur selon la revendication 1, caractérisé en ce que dans la trajectoire du côté de la cabine de chaque tronçon partiel de moyens porteurs (3), directement à la suite de la poulie de renvoi (5), sont disposées une ou plusieurs poulies de renvoi (5a) supplémentaires, propres et séparées spatialement.
  3. Ascenseur selon la revendication 1 ou 2, caractérisé en ce que le contrepoids (10) est suspendu par le biais d'au moins une poulie de renvoi de contrepoids (14) au moins dans un rapport 2:1.
  4. Ascenseur selon la revendication 3, caractérisé en ce que le tronçon complet de moyens porteurs (9) s'étend dans au moins deux tronçons partiels de contrepoids (15) jusqu'aux poulies de renvoi (14) du contrepoids (10) et les tronçons partiels de contrepoids (15) sont renvoyés au moyen de poulies de renvoi de contrepoids (14) respectives propres, séparées spatialement.
  5. Ascenseur selon la revendication 4, caractérisé en ce que dans la trajectoire du côté du contrepoids de chaque tronçon partiel de contrepoids (15), directement à la suite de la poulie de renvoi de contrepoids (14), sont disposées une ou plusieurs poulies de renvoi de contrepoids (14a).
  6. Ascenseur selon l'une quelconque des revendications 1 à 5, caractérisé en ce que les axes (7) des poulies de renvoi (5) sont approximativement parallèles les uns aux autres.
  7. Ascenseur selon l'une quelconque des revendications 3 à 5, caractérisé en ce que les axes (7) des poulies de renvoi (5) sont approximativement parallèles aux axes des poulies de renvoi de contrepoids (14).
  8. Ascenseur selon l'une quelconque des revendications 1 à 7, caractérisé en ce que le plan de rotation du corps d'entraînement (4) et le plan de rotation des poulies de renvoi (5) sont disposés approximativement à angle droit.
  9. Ascenseur selon l'une quelconque des revendications 1 à 8, caractérisé en ce que le système d'entraînement (12) est disposé entre les rails de guidage de la cabine (2) et ne dépasse pas de ceux-ci dans la direction verticale.
  10. Ascenseur selon l'une quelconque des revendications 1 à 9, caractérisé en ce que les poulies de renvoi (5, 5a) sont disposées à l'intérieur de la cabine d'ascenseur (1).
  11. Ascenseur selon la revendication 10, caractérisé en ce qu'un habillage (17) est prévu autour des poulies de renvoi (5, 5a) et des tronçons partiels de moyens porteurs associés (3).
EP07001718A 2006-02-09 2007-01-26 Ascenseur sans local de machine. Active EP1818303B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200610005948 DE102006005948A1 (de) 2006-02-09 2006-02-09 Maschinenraumloser Treibkörperaufzug
DE102006044669A DE102006044669A1 (de) 2006-02-09 2006-09-21 Maschinenraumloser Treibkörperaufzug

Publications (2)

Publication Number Publication Date
EP1818303A1 EP1818303A1 (fr) 2007-08-15
EP1818303B1 true EP1818303B1 (fr) 2010-02-10

Family

ID=37983814

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07001718A Active EP1818303B1 (fr) 2006-02-09 2007-01-26 Ascenseur sans local de machine.

Country Status (4)

Country Link
EP (1) EP1818303B1 (fr)
AT (1) ATE457291T1 (fr)
DE (2) DE102006044669A1 (fr)
ES (1) ES2340956T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120085594A1 (en) * 2010-10-11 2012-04-12 Tim Wright Drive Arrangement for Machine Roomless Elevator
US10875743B2 (en) 2017-06-16 2020-12-29 Otis Elevator Company Rope-climbing self propelled elevator system

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100417583C (zh) * 2006-08-11 2008-09-10 西子奥的斯电梯有限公司 无机房电梯
KR101432451B1 (ko) * 2013-10-21 2014-08-22 현대엘리베이터주식회사 엘리베이터 장치
DE202013105006U1 (de) * 2013-11-07 2015-02-10 Wittur Holding Gmbh Aufzug mit Rohrmotor und geteilter Motorhalterung
DE202015105395U1 (de) 2015-10-12 2015-11-16 Aufzugteile Bt Gmbh Fahrkorb für einen Aufzug in einem Aufzugsschacht
MY193696A (en) * 2015-10-12 2022-10-25 Inventio Ag Car for an elevator in an elevator shaft

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1730974A (en) 1928-12-11 1929-10-08 Atlantic Elevator Company Inc Elevator suspension
FI111622B (fi) 1999-01-27 2003-08-29 Kone Corp Vetopyörähissi ja taittopyörän käyttö
JPWO2002022486A1 (ja) 2000-09-12 2004-01-22 三菱電機株式会社 エレベータ装置
FI4928U1 (fi) 2001-01-25 2001-05-23 Kone Corp Hissi
ITMI20031887A1 (it) 2003-10-02 2005-04-03 L A Consulting S A S Di Sara Faletto & C Sa Ascensore con fossa e testata ridotta, anche senza locale del macchinario.
US7156209B2 (en) 2004-05-28 2007-01-02 Inventio Ag Elevator roping arrangement

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120085594A1 (en) * 2010-10-11 2012-04-12 Tim Wright Drive Arrangement for Machine Roomless Elevator
US10875743B2 (en) 2017-06-16 2020-12-29 Otis Elevator Company Rope-climbing self propelled elevator system
US11434107B2 (en) 2017-06-16 2022-09-06 Otis Elevator Company Rope-climbing self propelled elevator system

Also Published As

Publication number Publication date
DE502007002790D1 (de) 2010-03-25
ATE457291T1 (de) 2010-02-15
ES2340956T3 (es) 2010-06-11
DE102006044669A1 (de) 2008-04-03
EP1818303A1 (fr) 2007-08-15

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