EP1676807A2 - Systeme d'ascenseur avec moteur d'entrainement monté en haut de la gaine - Google Patents

Systeme d'ascenseur avec moteur d'entrainement monté en haut de la gaine Download PDF

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Publication number
EP1676807A2
EP1676807A2 EP06008461A EP06008461A EP1676807A2 EP 1676807 A2 EP1676807 A2 EP 1676807A2 EP 06008461 A EP06008461 A EP 06008461A EP 06008461 A EP06008461 A EP 06008461A EP 1676807 A2 EP1676807 A2 EP 1676807A2
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EP
European Patent Office
Prior art keywords
elevator
sheaves
sheave
hoistway
drive
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
Application number
EP06008461A
Other languages
German (de)
English (en)
Other versions
EP1676807B1 (fr
EP1676807A3 (fr
Inventor
Fernando Rico
Jean Marc Ferrary
Pascal Rebillard
Richard N. Fargo
Armando Servia
Frank W. Adams
Leandre Adifon
Bruce St. Pierre
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.)
Otis Elevator Co
Original Assignee
Otis Elevator Co
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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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27807143&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1676807(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US09/031,108 external-priority patent/US6401871B2/en
Application filed by Otis Elevator Co filed Critical Otis Elevator Co
Priority claimed from EP99936067A external-priority patent/EP1066213B1/fr
Publication of EP1676807A2 publication Critical patent/EP1676807A2/fr
Publication of EP1676807A3 publication Critical patent/EP1676807A3/fr
Application granted granted Critical
Publication of EP1676807B1 publication Critical patent/EP1676807B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B66B9/02—Kinds or types of lifts in, or associated with, buildings or other structures actuated mechanically otherwise than by rope or cable
    • 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
    • B66B11/0035—Arrangement of driving gear, e.g. location or support
    • B66B11/0045—Arrangement of driving gear, e.g. location or support in the hoistway

Definitions

  • the present invention relates generally to an elevator system, and more particularly to an elevator system including a drive motor provided at an overhead level within the hoistway between an elevator car and hoistway ceiling.
  • An elevator system includes a hoistway defined in a surrounding structure, and an elevator car and at least one counterweight disposed in the hoistway.
  • the hoistway defines an overhead space over a vertical extent of the hoistway between a ceiling of the hoistway and a top portion of the elevator car at its highest operable location along the hoistway.
  • At least one drive motor is disposed in the overhead space and drivingly couples and suspends the elevator car via at least one flat rope or belt.
  • An advantage of the present invention is that avoiding the construction of a machine room significantly reduces the cost of elevator installation and construction.
  • a second advantage of the present invention is that the employment of flat ropes or belts reduces the size of conventional or flat drive motors to thereby reduce the space in the overhead of the hoistway needed to accommodate the drive motors.
  • a third advantage of the present invention is the provision of several alternative drive motor locations in the overhead space.
  • an elevator system embodying the present invention is generally designated by the reference number 10.
  • the elevator system 10 includes a hoistway 12 defined by the surrounding structure of a building.
  • An elevator car 14 is disposed in the hoistway 12 for upward and downward movement therealong.
  • First and second support columns 16,18 each extend along a vertical extent of the hoistway 12 associated with elevator car travel, and are respectively disposed adjacent to oppositely facing sidewalls 20, 22 of the elevator car 14.
  • Each of the first and second support columns 16, 18 defines a hollow interior or recess for accommodating an associated counterweight 24 (only one shown) for vertical movement along the associated support column.
  • brackets 26, 26 extend frontwardly from the first and second support columns 16, 18 for attachment to a front sidewall 28 of the hoistway 12.
  • a support member 30 extends generally horizontally between and is mounted on the first and second support columns 16, 18 in an overhead space 32 of the hoistway 12 defined by the vertical length or extent "V" of the hoistway between a ceiling 34 of the hoistway and a top portion or ceiling 36 of the elevator car 14 at its highest operable position within the hoistway.
  • a drive motor 38 is mounted on the support member 30 in the overhead space 32, and is shown in FIG.1 to be positioned substantially over the ceiling 36 of the elevator car 14.
  • a first drive sheave 40 is drivingly coupled to the drive motor 38 and is disposed over the first support column 16.
  • a second drive sheave 42 is drivingly coupled to the drive motor 38 via an elongated drive shaft 44, and is disposed over the second support column 18.
  • a first flat, flexible rope or belt 46 has a first end 48 coupled to a top portion of the counterweight 24 which is disposed within the first support column 16 and a second end 50 (see FIG.1) coupled to the sidewall 20 of the elevator car 14.
  • the flat rope 46 extends upwardly from its first end 48, loops generally 180° about the first drive sheave 40, and extends downwardly and terminates at its second end 50 at an underside 52 of the elevator car 14.
  • a second flat rope 54 is similarly configured with the second drive sheave 42 to couple the counterweight 24 which is disposed in the second support column 18 to the elevator car 14, thereby forming a twin roping configuration.
  • flat ropes or belts permit smaller drive motors and sheaves to drive and suspend elevator car and counterweight loads relative to drive motors and sheaves using conventional round ropes.
  • the diameter of drive sheaves used in elevators with conventional round ropes is limited to 40 times the diameter of the ropes, or larger, due to fatigue of the ropes as they repeatedly conform to the diameter of the sheave and straighten out.
  • Torque is proportional to the diameter of the traction sheave. Therefore, the use of a smaller diameter traction sheave reduces motor torque.
  • Motor size (rotor volume) is roughly proportional to torque; therefore, although the mechanical output power remains the same regardless of sheave size, flat ropes or belts allow the use of a smaller drive motor operating at a higher speed relative to systems using conventional round ropes. Consequently, smaller conventional and flat drive motors may be accommodated in the overhead space of the hoistway which significantly reduces the size and construction cost of the overhead space.
  • reducing the machine size i.e., drive motor and sheaves
  • the smaller machine reduces the overhead space requirement when the machine is located above the elevator car. This can potentially allow the building to be constructed with a flat roof to thereby reduce building construction costs and to comply with sunshine laws.
  • a small machine utilizes less material, and will be less costly to produce relative to a larger machine.
  • the light weight of a small machine reduces the time for handling the machine and the need for equipment to lift the machine into place so as to significantly reduce installation cost.
  • low torque and high speed allow the elimination of gears, which are costly. Further, gears can cause vibrations and noise, and require maintenance of lubrication. Geared machines may also be used, but the present invention is particularly advantageous for gearless machines.
  • Flat ropes or belts also distribute the elevator and counterweight loads over a greater surface area on the sheaves relative to round ropes for reduced specific pressure on the ropes, thus increasing its operating life.
  • the flat ropes or belts may be made from a high traction material such as urethane or rubber jacket with fiber or steel reinforcement.
  • FIG. 3 schematically illustrates an elevator system 100 which is similar to the elevator system 10 of FIGS. 1 and 2 except for the implementation of the drive motor and the elimination of the support member 30.
  • first and second drive motors 102, 104 and associated first and second drive sheaves 106, 108 are respectively supported on the first and second support columns 16, 18.
  • a synchronizing means 110 such as a controller, causes the first and second drive sheaves 106, 108 to rotate synchronously with one another.
  • FIG. 4 schematically shows an elevator system 200 having a 2:1 roping configuration which may be employed as a modification to the elevator systems of FIGS. 1-3.
  • the elevator car moves a half unit of distance for each unit of distance moved by the rope about the drive sheave.
  • Like elements with the previous embodiments are labeled with like reference numbers. Because the roping configuration components on each side of the elevator car 14 are similar, the twin roping configuration and components will only be shown and explained with respect to one side of the elevator car.
  • Roping ratios act similarly to gears.
  • a 2:1 roping arrangement will reduce the motor torque by a factor of two while increasing the motor speed by a factor of two for a given diameter. This results in a smaller motor since the limiting factor for the motor tends to be torque, as opposed to speed.
  • An additional advantage of 2:1 roping is a reduction of the sheave shaft load, i.e., the radial force applied to the drive motor from the ropes. This reduces the motor size by allowing smaller bearings. The radial load removed from the drive sheave is carried by the rope hitch points.
  • the total amount of rope used in 1:1 or 2:1 configurations is roughly the same.
  • Ropes for 2:1 configurations are about twice as long as ropes for 1:1. However, ropes for 2:1 configurations carry half the load and may have a smaller cross section or be fewer in number.
  • the above-mentioned advantages are also the same for higher numbered roping configurations, such as 4:1 roping.
  • the elevator system 200 includes a deflector sheave 202 mounted on a top portion of a support column 16, and is located adjacent to and below a drive motor 204 and associated drive sheave 206.
  • a counterweight sheave 208 is coupled to a top portion of a counterweight 210, and an elevator sheave 212 is coupled to an underside of the elevator car 14.
  • a flat rope 214 has first and second ends 216, 218 coupled to an overhead portion of the hoistway, preferably at a top portion of the support column 16.
  • the flat rope 214 extends downwardly from its first end 216, loops generally 180° about the elevator sheave 212, extends upwardly and arcs slightly about the deflector sheave 202 and loops generally 180° about the drive sheave 206, extends downwardly and loops generally 180° about the counterweight sheave 208, and extends upwardly and terminates at its second end 218.
  • FIGS. 5-9 show further embodiments of elevator systems having drive motors disposed in the overhead space of the hoistway in accordance with the present invention. These embodiments employ roping configurations which undersling (FIGS. 5-8) or oversling (FIG. 9) an elevator car and which employ conventional T-shaped guide rails as opposed to the hollow support columns of FIGS. 1-4.
  • An underslung configuration requires a counterweight only on one side of the elevator car such that the clearance between the elevator car or hoistway and counterweight on one side of the hoistway is eliminated. This allows the underslung elevator car to use a smaller hoistway.
  • the twin arrangement uses fewer sheaves with a 1:1 roping configuration, and may exhibit less vibration and noise than the underslung systems.
  • FIG. 5 schematically illustrates an elevator system 400 employing a roping configuration which underslings an elevator car 14 in accordance with the present invention.
  • the elevator system 400 includes a drive motor 402 and associated drive sheave 404 disposed in the overhead portion of a hoistway 12 and aligned along a vertically extending portion of the hoistway between the elevator car 14 and a sidewall 420 of the hoistway.
  • the elevator car 14 has elevator sheaves 406, 406 (only one shown) coupled to its underside at opposite sides of the elevator car relative to each other.
  • a counterweight 410 and counterweight sheave 412 coupled to a top portion of the counterweight are disposed within the vertically extending portion of the hoistway 12 between the elevator car 14 and the adjacent sidewall 420 of the hoistway, and are situated below the drive motor 402.
  • a flat rope or belt 414 has first and second ends 416, 418 fixed within a top portion of the hoistway 12, such as a ceiling or sidewall of the hoistway.
  • the flat rope 414 extends downwardly from its first end 416, loops generally 180° about the counterweight sheave 412, extends upwardly and loops generally 180° about the drive sheave 404, extends downwardly and underslings the elevator car 14 via the elevator sheaves 406, 406, and extends upwardly and terminates at its second end 418.
  • the rotational axis of the drive motor 402 is oriented at oblique angles relative to sidewalls 420-426 of the hoistway 12.
  • the orientation of the drive motor 402 permits the drive sheave 404 to project into a vertically extending space along the hoistway 12 between a sidewall 428 of the elevator car 14 and the sidewall 420 of the hoistway where the counterweight 410 is disposed, whereby the need is eliminated for a deflector sheave to direct the flat rope or belt 414 from the drive sheave 404 and into the vertically-extending space for communication with the counterweight 410. Fewer sheaves results in lower cost and better performance because there are fewer components which may malfunction.
  • FIG. 6 shows an elevator system 600 including a drive motor 602 and associated drive sheave 604 disposed entirely over a ceiling 36 of an elevator car 14 in the overhead space of a hoistway 12.
  • First and second deflector sheaves 606, 608 are disposed in the overhead space of the hoistway 12 and within the vertically extending space along the hoistway between the elevator car 14 and a sidewall 610 of the hoistway.
  • the first and second deflector sheaves 606, 608 cooperate to direct a flat rope or belt 612 from this vertically extending space to the drive sheave 604 and back to the vertically extending space where a counterweight 614 is disposed.
  • the system 600 of FIG. 6 provides more space for the drive motor as compared with the system 400 of FIG. 5. The additional space may be necessary in circumstances where the drive motor does not fit as shown in FIG. 5.
  • FIGS. 7 and 8 respectively show a simplified, schematic, side view and front perspective view of an elevator system 900 employing a 4:1 roping configuration which means that an elevator car moves one unit of distance for four units of distance moved by a rope over the drive sheave. To better illustrate the roping configuration, the elevator car is not illustrated in FIG. 7.
  • An elevator car 14 disposed within a hoistway 12 has first and second elevator sheaves 902, 904 coupled underneath the elevator car and at opposite sides of the elevator car relative to each other. Third and fourth elevator sheaves 906, 908 are also coupled underneath the elevator car 14 and at opposite sides of the elevator car relative to each other. As best shown in FIG. 8, the first and second elevator sheaves 902, 904 are located on opposite sides of the elevator car 14 relative to the third and fourth elevator sheaves 906, 908.
  • a counterweight 910 disposed within the hoistway 12 has first and second counterweight sheaves 912, 914 coupled to a top portion of the counterweight.
  • a drive motor 916, associated drive sheave 918, and first and second deflector sheaves 920, 922 are situated in the overhead space of the hoistway 12.
  • a flat rope or belt 924 has a first and second ends 926, 928 to be coupled to a top portion of the hoistway 12.
  • the flat rope 924 extends downwardly from its first end 926, generally loops 180° about the first counterweight sheave 912, extends upwardly and generally loops 180° about the first deflector sheave 920, extends downwardly and generally loops 180° about the second counterweight sheave 914, extends upwardly and generally loops 180° about the drive sheave 918, extends downwardly and underslings the elevator car 14 via the first and second elevator sheaves 902, 904, extends upwardly and generally loops 180° about the second deflector sheave 922, extends downwardly and underslings the elevator car via the third and fourth elevator sheaves 906, 908, and extends upwardly and terminates at its second end 928.
  • the 4:1 roping configuration provides mechanical advantage to permit the flat rope 924 to move a relatively heavy load in comparison with a 1:1 or 2:1 roping configuration.
  • FIG. 9 illustrates an elevator system 1000 employing first and second elevator sheaves 1002, 1004 coupled to a ceiling 36 (overslung roping arrangement) of an elevator car 14 at opposite sides of the elevator car relative to each other.
  • a drive motor 1006 and associated drive sheave 1008 are disposed in the overhead space of a hoistway 12 over a ceiling 36 of the elevator car 14.
  • a deflector sheave 1010 is disposed in the overhead space of the hoistway 12 and extends into a vertically extending space along the hoistway between the elevator car 14 and a sidewall 1012 of the hoistway where a counterweight 1014 and counterweight sheave 1016 are provided.
  • a flat rope or belt 1018 has first and second ends 1020, 1022 coupled to a top portion of the hoistway 12.
  • the flat rope 1018 extends downwardly from its first end 1020, generally loops 180° about the counterweight sheave 1016, extends upwardly and arcs slightly about the deflector sheave 1010 and then generally loops 180° about the drive sheave 1008, extends downwardly and generally loops 90° about the first elevator sheave 1002, extends generally horizontally and generally loops 90° about the second elevator sheave 1004, and extends upwardly and terminates at its second end 1022.
  • the overslung roping arrangement allows easy access to the sheaves and ropes for maintenance and installation. If the configuration shown in FIG. 9 is rotated 90°, it allows the use of a wide elevator car with the counterweight in the rear. Underslung arrangements cannot be used with the counterweight in the rear since the ropes would pass in front of the elevator doors, or else many deflector sheaves and undesirable rope twists would occur.
  • a principal feature of the present invention is the flatness of the ropes used in the above described elevator system.
  • the increase in aspect ratio results in a rope that has an engagement surface, defined by the width dimension "w", that is optimized to distribute the rope pressure. Therefore, the maximum rope pressure is minimized within the rope.
  • the thickness "t1" of the flat rope may be reduced while maintaining a constant cross-sectional area of the portions of the rope supporting the tension load in the rope.
  • the flat ropes 722 include a plurality of individual load carrying cords 726 encased within a common layer of coating 728.
  • the coating layer 728 separates the individual cords 726 and defines an engagement surface 730 for engaging the traction sheave 724.
  • the load carrying cords 726 may be formed from a high-strength, lightweight non-metallic material, such as aramid fibers, or may be formed from a metallic material, such as thin, high-carbon steel fibers. It is desirable to maintain the thickness "d" of the cords 726 as small as possible in order to maximize the flexibility and minimize the stress in the cords 726.
  • the fiber diameters should be less than .25 millimeters in diameter and preferably in the range of about .10 millimeters to .20 millimeters in diameter.
  • Steel fibers having such diameter improve the flexibility of the cords and the rope.
  • the traction sheave diameter "D" may be reduced while maintaining the maximum rope pressure within acceptable limits.
  • the engagement surface 730 is in contact with a corresponding surface 750 of the traction sheave 724.
  • the coating layer 728 is formed from a polyurethane material, preferably a thermoplastic urethane, that is extruded onto and through the plurality of cords 726 in such a manner that each of the individual cords 726 is restrained against longitudinal movement relative to the other cords 726.
  • Other materials may also be used for the coating layer if they are sufficient to meet the required functions of the coating layer: traction, wear, transmission of traction loads to the cords and resistance to environmental factors.
  • thermoplastic urethane if they do not meet or exceed the mechanical properties of a thermoplastic urethane, then the benefits resulting from the use of flat ropes may be reduced. With the thermoplastic urethane mechanical properties the traction sheave 724 diameter is reducible to 100 millimeters or less.
  • the rope pressure may be distributed more uniformly throughout the rope 722. Because of the incorporation of a plurality of small cords 726 into the flat rope elastomer coating layer 728, the pressure on each cord 726 is significantly diminished over prior art ropes. Cord pressure is decreased at least as n -1 ⁇ 2 , with n being the number of parallel cords in the flat rope, for a given load and wire cross section. Therefore, the maximum rope pressure in the flat rope is significantly reduced as compared to a conventionally roped elevator having a similar load carrying capacity.
  • the effective rope diameter 'd' (measured in the bending direction) is reduced for the equivalent load bearing capacity and smaller values for the sheave diameter 'D' may be attained without a reduction in the D/d ratio.
  • minimizing the diameter D of the sheave permits the use of less costly, more compact, high speed motors as the drive machine.
  • a traction sheave 724 having a traction surface 750 configured to receive the flat rope 722 is also shown in FIG. 10.
  • the engagement surface 750 is complementarily shaped to provide traction and to guide the engagement between the flat ropes 722 and the sheave 724.
  • the traction sheave 724 includes a pair of rims 744 disposed on opposite sides of the sheave 724 and one or more dividers 745 disposed between adjacent flat ropes.
  • the traction sheave 724 also includes liners 742 received within the spaces between the rims 744 and dividers 745.
  • the liners 742 define the engagement surface 750 such that there are lateral gaps 754 between the sides of the flat ropes 722 and the liners 742.
  • a traction sheave without liners may be used.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
EP06008461.3A 1998-02-26 1999-02-19 Systeme d'ascenseur avec moteur d'entrainement monté en haut de la gaine Expired - Lifetime EP1676807B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US09/031,108 US6401871B2 (en) 1998-02-26 1998-02-26 Tension member for an elevator
US16321898A 1998-09-29 1998-09-29
US09/218,990 US6739433B1 (en) 1998-02-26 1998-12-22 Tension member for an elevator
EP99936067A EP1066213B1 (fr) 1998-02-26 1999-02-19 Systeme ascenseur avec le moteur d'entrainement monté en haut

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP99936067A Division EP1066213B1 (fr) 1998-02-26 1999-02-19 Systeme ascenseur avec le moteur d'entrainement monté en haut

Publications (3)

Publication Number Publication Date
EP1676807A2 true EP1676807A2 (fr) 2006-07-05
EP1676807A3 EP1676807A3 (fr) 2009-04-08
EP1676807B1 EP1676807B1 (fr) 2014-12-17

Family

ID=27807143

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06008461.3A Expired - Lifetime EP1676807B1 (fr) 1998-02-26 1999-02-19 Systeme d'ascenseur avec moteur d'entrainement monté en haut de la gaine

Country Status (5)

Country Link
EP (1) EP1676807B1 (fr)
KR (1) KR20010041289A (fr)
ES (1) ES2527100T3 (fr)
PT (1) PT1676807E (fr)
TW (1) TW518312B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH699578A1 (it) * 2008-09-30 2010-03-31 Marco Hoerler Ascensore.
EP3072843A1 (fr) * 2014-03-26 2016-09-28 Kone Corporation Procede et appareil de configuration de commande automatique d'ascenseur
EP3235770A1 (fr) * 2016-04-18 2017-10-25 Ziehl-Abegg SE Procede de reequipement d'un ascenseur et ascenseur correspondant

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200450473Y1 (ko) * 2008-08-28 2010-10-06 남중환 접이식 출입문의 파이프 연결구
FI124541B (fi) * 2011-05-18 2014-10-15 Kone Corp Hissijärjestely

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7210063A (fr) * 1971-07-22 1973-01-24
GB2134209A (en) * 1982-12-30 1984-08-08 Blacks Equip Ltd Belts or ropes suitable for haulage and lifts
EP0710618A2 (fr) * 1994-11-03 1996-05-08 Kone Oy Ascenseur à poulie de traction
EP0745552A1 (fr) * 1995-06-02 1996-12-04 Inventio Ag Construction d'un ascenseur
EP0846645A1 (fr) * 1996-12-03 1998-06-10 Inventio Ag Ascenseur à construction modulaire

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7210063A (fr) * 1971-07-22 1973-01-24
GB2134209A (en) * 1982-12-30 1984-08-08 Blacks Equip Ltd Belts or ropes suitable for haulage and lifts
EP0710618A2 (fr) * 1994-11-03 1996-05-08 Kone Oy Ascenseur à poulie de traction
EP0745552A1 (fr) * 1995-06-02 1996-12-04 Inventio Ag Construction d'un ascenseur
EP0846645A1 (fr) * 1996-12-03 1998-06-10 Inventio Ag Ascenseur à construction modulaire

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH699578A1 (it) * 2008-09-30 2010-03-31 Marco Hoerler Ascensore.
EP3072843A1 (fr) * 2014-03-26 2016-09-28 Kone Corporation Procede et appareil de configuration de commande automatique d'ascenseur
EP3235770A1 (fr) * 2016-04-18 2017-10-25 Ziehl-Abegg SE Procede de reequipement d'un ascenseur et ascenseur correspondant

Also Published As

Publication number Publication date
ES2527100T3 (es) 2015-01-20
EP1676807B1 (fr) 2014-12-17
KR20010041289A (ko) 2001-05-15
EP1676807A3 (fr) 2009-04-08
TW518312B (en) 2003-01-21
PT1676807E (pt) 2015-02-05

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