WO2006053934A1 - Ascenseur - Google Patents

Ascenseur Download PDF

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Publication number
WO2006053934A1
WO2006053934A1 PCT/FI2005/000438 FI2005000438W WO2006053934A1 WO 2006053934 A1 WO2006053934 A1 WO 2006053934A1 FI 2005000438 W FI2005000438 W FI 2005000438W WO 2006053934 A1 WO2006053934 A1 WO 2006053934A1
Authority
WO
WIPO (PCT)
Prior art keywords
elevator
hoisting
car
counterweight
guide rails
Prior art date
Application number
PCT/FI2005/000438
Other languages
English (en)
Inventor
Esko Aulanko
Jorma Mustalahti
Original Assignee
Kone Corporation
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
Application filed by Kone Corporation filed Critical Kone Corporation
Publication of WO2006053934A1 publication Critical patent/WO2006053934A1/fr

Links

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

Definitions

  • the present invention relates to an elevator as defined in the preamble of claim 1.
  • the size and weight of the machine are a problem regarding installation, even to the extent that the required machine size and weight have in practice limited the sphere of application of the concept of elevator without machine room or at least retarded the introduction of said concept in larger elevators.
  • the space available in the elevator shaft often limits the area of application of the concept of elevator without machine room.
  • the object of the present invention is to achieve at least one of the following objectives.
  • it is an aim of the invention to develop the elevator without machine room further so as to allow more effective space utilization in the building and elevator shaft than before.
  • a further aim is to make the elevator or at least its machine smaller and/or lighter.
  • a third aim is to achieve an elevator in which the positioning of the counterweight, elevator machine, elevator guide rails and elevator car as well as the suspension of the counterweight can be freely selected according to the situation and in which the positioning can easily be varied to suit different shaft solutions.
  • the object of the invention should be achieved without compromising the possibility of varying the basic elevator lay-out.
  • the elevator of the invention is characterized by what is disclosed in the characterization part of claim 1.
  • Other embodiments of the invention are characterized by what is disclosed in the other claims.
  • Some inventive embodiments are also discussed in the descriptive section of the present application.
  • the inventive content of the application can also be defined differently than in the claims presented below.
  • the inventive content may also consist of several separate inventions, especially if the invention is considered in the light of expressions or implicit sub-tasks or from the point of view of advantages or categories of advantages achieved. In this case, some of the attributes contained in the claims below may be superfluous from the point of view of separate inventive concepts.
  • the features of the various embodiments can be applied within the framework of the basic inventive concept in conjunction with other embodiments.
  • said modular hoisting function of the invention comprising preferably the equipment required for the modular hoisting function, different positioning in the elevator shaft can be implemented inexpensively and flexibly.
  • the typical guide forces on the elevator in which the hoisting function is situated on one wall of the elevator car, become small because the hoisting function is preferably situated on the long wall of the elevator car.
  • the aforementioned beam system of the invention is preferably supported by the car guide rails and the wall, so that its installation is easy and quick to implement, while vertical forces are directed at the beam system supporting the car guide rails.
  • the weight of the elevator car can be wholly or at least partially supported on the elevator guide rails.
  • the traction sheave and the diverting pulleys can be small and light compared to those in conventional elevators .
  • the invention is primarily intended for use in elevators without machine room, it can be applied for use in elevators with machine room.
  • the suspension of the car can be implemented with almost any suspension ratio of the elevator car and counterweight that is applicable to the purpose.
  • the primary area of application of the invention is elevators designed for the transportation of people and/or freight.
  • a typical area of application of the invention is in elevators whose speed range is approximately 1 m/s or below that, but it may also be greater.
  • an elevator having a traveling speed of 6 m/s is easy to implement according to the invention.
  • normal elevator hoisting ropes such as generally used steel ropes
  • the load-bearing part is made of artificial fiber
  • Applicable solutions also include steel- reinforced flat ropes, especially because they allow a small deflection radius.
  • elevator hoisting ropes twisted e.g. from round and strong wires. From round wires, the rope can be twisted in many ways using wires of different or equal thickness.
  • the wire thickness is below 0.4 mm on average.
  • Well applicable ropes made from strong wires are those in which the average wire thickness is below 0.3 mm or even below 0.2 mm.
  • thin-wired and strong 4 mm ropes can be twisted relatively economically from wires such that the mean wire thickness in the finished rope is in the range of 0.15...0.25 mm, while the thinnest wires may have a thickness as small as only about 0.1 mm.
  • Thin rope wires can easily be made very strong.
  • rope wires having a strength greater than e.g. 2000 N/mm 2 can be used.
  • a suitable range of rope wire strength is e.g. 2300-2700 N/mm 2 . In principle, it is possible to use rope wires having a strength of up to about 3000 N/mm 2 or even more.
  • the elevator of the invention is preferably a rucksack elevator, in which elevator is an elevator car, which is supported by hoisting ropes by means of at least two diverting pulleys fixed to the car sling of the elevator car.
  • the elevator contains a counterweight supported by the hoisting ropes by means of at least two diverting pulleys, car guide rails, counterweight guide rails, at least two diverting pulleys corresponding to the hoisting ropes in the upper part of the elevator shaft and a hoisting machine with traction sheave in the upper part of the elevator shaft.
  • the diverting pulleys and hoisting machine of the upper of the elevator shaft are supported by a beam structure that is supported by at least one guide rail, and preferably by all the guide rails together. Additionally, at least the free ends of the hoisting ropes are preferably fitted into position on this beam structure, and possibly other elevator equipment. Preferably the beam structure is fitted into position in the upper part of the elevator shaft.
  • the beam structure together with the guide rails preferably forms an integrated modular structure, which structure is easy to assemble from different modules, and which can preferably be easily situated on any one wall of the elevator car in the space between the elevator car and the wall of the elevator shaft.
  • Fig. 1 presents a diagrammatic and simplified top view of one elevator according to the invention
  • Fig. 2 presents simplified top views of different lay-out placements enabled by the hoisting function of the modular elevator according to the invention
  • Fig. 3 presents a diagrammatic and simplified illustration of one elevator according to the invention
  • Fig. 4 presents a diagrammatic and simplified illustration of one elevator according to the invention.
  • Fig. 1 presents a diagram of one traction sheave elevator with counterweight applicable to the invention, in which the elevator of the invention is shown with an elevator car 1, provided with a car sling 7, in its upper position.
  • the figure is not drawn to scale, so that the position of the counterweight 4 in relation to the position of the elevator car 1 is not necessarily correct.
  • the elevator is an elevator without machine room, in which the drive machinery 4 is situated in the elevator shaft.
  • the elevator presented in Fig. 1 is a traction sheave elevator with machine room above and with a counterweight 9, in which the elevator car 1 moves on its track along the guide rails 3 and the counterweight moves on its track along the guide rails 6.
  • the hoisting ropes consist of a number of parallel hoisting ropes, which are preferably substantially strong and thin in diameter.
  • the hoisting ropes are not presented in Fig. 1 for the sake of clarity.
  • the diverting pulleys used and the traction sheave are preferably substantially small in diameter, and consequently the preferably gearless hoisting machine 4 is substantially small in size and light in relation to the load.
  • the elevator presented in Fig. 1 is a laterally suspended rucksack elevator.
  • the equipment for the hoisting function is situated on one wall of the elevator car 1 in the space between the elevator car 1 and the wall of the elevator shaft 2, which equipment preferably includes at least the elevator drive machine 4 with its traction sheave 5, the elevator car guide rails 3, the counterweight 9 and the counterweight guide rails 6, the diverting pulleys 14 and 13 fixed on the car sling 7 of the elevator car 1, the diverting pulleys 16 and 17 fixed to the counterweight or to its frame, and the diverting pulleys 11, 12 and 15 in the upper part of the elevator shaft as well as the hoisting ropes, by means of which ropes the elevator car and counterweight are moved and supported.
  • the elevator car 1, which is supported by means of the car sling 7, and the counterweight 9 are supported via the guide rails 3,6 by the wall 2 of the elevator shaft or in e.g. a structure without shaft by the exterior wall of the building or similar.
  • the guide rails 3 of the elevator car 1 and the guide rails 6 of the counterweight 9 are supported by the wall of the shaft by means of guide rail fixings 8, a sufficient number of said guide rail fixings being a vertical distance from each other for the whole height of the shaft.
  • two guide rails are fixed into position in the elevator shaft by means of one guide rail fixing 8, both the second guide rail of the counterweight 9 and the second guide rail 3 of the elevator car 1.
  • Fig. 1 the passage of the hoisting ropes of the elevator is as follows: One end of the hoisting ropes is fastened to the anchored fixing point in the upper part of the shaft, which fixing point is preferably on the same beam structure as the hoisting machine in the upper part of the elevator shaft, and from which fixing point the ropes descend to the diverting pulley 16 fitted into position on the counterweight 9, said diverting pulley 16 being preferably fixed to the counterweight or to its frame, and after having passed around the bottom of said diverting pulley the ropes continue upwards to the diverting pulley 15, which is fitted into position in the upper part of the elevator shaft.
  • the diverting pulley 15 is fitted into position in the upper part of the elevator shaft preferably on the same beam structure as the hoisting machine and the free ends of the hoisting ropes. After passing around the top of the diverting pulley 15 the rope returns downwards to the diverting pulley 17 fitted into position on the counterweight 9, after having passed around the bottom of which the hoisting ropes continue upwards to the traction sheave 5 of the hoisting machine 4 fitted into position in the upper part of the elevator shaft, touching the diverting pulley that is preferably positioned in the proximity of the hoisting machine 4 and/or in contact with the bottom part of the traction sheave 5, said diverting pulley not being presented in Fig. 1 for the sake of clarity.
  • DW Double-wrap
  • the diverting pulley connected to or in the proximity of the hoisting machine is essentially the same size as the traction sheave 5
  • the diverting pulley can also act as a damper pulley.
  • roping solutions include Single Wrap (SW) roping, in which the diverting pulley is substantially the same size as the traction sheave of the drive machine, and in which use of a diverting pulley is applied as the "touching pulley" described above.
  • SW Single Wrap
  • the ropes pass around the traction sheave only once, in which case the contact angle between the rope and the traction sheave is approximately 180°.
  • the diverting pulley is used only as an aid for the "touching" of the rope in the manner described above, so that the diverting pulley functions as a rope guide and as a damping pulley for damping vibrations .
  • roping options for increasing the angle of contact between the traction sheave and the hoisting ropes are e.g. extended single wrap (ESW) roping or X Wrap (XW) roping or otherwise the diverting pulley can be completely dispensed with.
  • ESW extended single wrap
  • XW X Wrap
  • the ropes After passing around the bottom of the diverting pulley 13 the ropes continue upwards to the diverting pulley 12 fitted into position in the upper part of the elevator shaft, said diverting pulley preferably being fixed into position on the beam structure of the upper part of the elevator shaft, and after passing around the top of the diverting pulley 12 the ropes continue in a substantially horizontal direction to the second diverting pulley 11 fitted into position in the upper part of the elevator shaft, preferably to the beam structure, which diverting pulley 11 is at substantially the same height as the diverting pulley 12, but substantially symmetrically on the other side of the elevator car as viewed from above.
  • the ropes After passing around the top of the diverting pulley 11 the ropes continue their passage downwards to the diverting pulley 14, which is preferably fitted into position on the elevator car 1; either to the car sling, as is the diverting pulley 13, or to a side wall of the elevator car or to some other point of the elevator car or car sling that is suited to the purpose.
  • the ropes After passing around the bottom of the diverting pulley 14 the ropes continue upwards to an anchored fixing point in the upper part of the elevator shaft, to which the second end of the hoisting ropes is fastened.
  • This fixing point is also preferably on the beam system structure in the upper part of the elevator shaft, to which in the case of Fig. 1 the hoisting machine 4 with its traction sheave 5 and the diverting pulleys 11,12,15 and the free ends of the hoisting ropes are preferably attached.
  • both the elevator car and its car sling as well as the counterweight are suspended with a suspension ratio of 4:1.
  • Other suspension ratios are also possible in the elevator according to the invention, such as e.g. by increasing the number of diverting pulleys, by means of which the elevator car and the counterweight are suspended, achieves an increase in the suspension ratio.
  • the suspension ratio of the elevator car and the counterweight can also if necessary be smaller than 4:1, e.g. 2:1 or smaller.
  • the diverting pulleys fixed to the elevator car or car sling and/or to the counterweight or to its frame can also be fitted into position such that they are substantially parallel to the traction sheave and/or the hoisting machine, in which case twisting and possible slanted pulling of the hoisting ropes is avoided.
  • Fig. 2 presents the implementation of the hoisting function of a modular rucksack elevator on different sides of the elevator car and the elevator shaft and in different elevator solutions.
  • the equipment 203 of the hoisting function is fitted into position in the elevator shaft on one wall of the elevator car 201 in the space between the elevator car 201 and the wall 202 of the elevator shaft.
  • the equipment 203 of the hoisting function is fitted as one module, which is possible to situate on almost any side of the of the elevator car in the space between the elevator car 201 and the wall 202 of the elevator shaft.
  • the equipment of the hoisting function preferably includes at least the elevator drive machine with its traction sheave, the counterweight, the elevator car guide rails and counterweight guide rails, the hoisting ropes, the diverting pulleys supporting the elevator car and the counterweight, which are fixed to the elevator car or to its car sling and to the counterweight or to its frame, as well as the diverting pulleys positioned in the elevator shaft.
  • FIG. 2 indicate the openings for entering and exiting the elevator car to the different floors of the building.
  • the equipment 203 of the hoisting function is fitted into position on the short wall of the elevator car in the space between the elevator car 201 and the wall 202 of the elevator shaft.
  • the elevator car is a walk-through car.
  • Fig. 2b presents otherwise the same situation as in Fig. 2a, the only difference being that in Fig. 2b the equipment 203 of the hoisting function is fitted into position in the elevator shaft on the long wall of the elevator car.
  • Figs. 2c and 2d present a modular rucksack elevator, in which there are two entry/exit openings to the elevator car 201.
  • Fig. 2c the equipment 203 of the hoisting function is fitted into the elevator shaft on the short side of the elevator car 201 and access into the elevator occurs in different directions from the elevator car.
  • Fig. 2d presents a walk-through elevator car, in which elevator the equipment 203 of the hoisting function is fitted into position in the elevator shaft on the long wall of the elevator car 201.
  • Fig. 2e presents a scenic-type modular rucksack elevator according to the invention, in which the elevator is fitted with only one of its sides against the wall 202 of the building and otherwise scenic-type elevator shaft walls 204 surround the elevator car 201 and the equipment 203 for the hoisting function, said walls being preferably manufactured from glass or from some other material suited to the purpose.
  • the elevator presented in Fig. 2e can also be fitted against e.g. the exterior wall 202 of the building.
  • There is one entry/exit opening to the elevator car 201 and the equipment 203 of the hoisting function is situated on the opposite wall of the elevator car 201 to the fixed wall 202 of the building and/or the entry/exit opening to the elevator car 201.
  • Figs. 2f and 2g present a modular rucksack elevator, to which there is only one entry/exit opening.
  • Fig. 2f presents an elevator, in which the equipment 203 of the hoisting function is fitted into position in the elevator shaft on the long wall of the elevator car 201 and the hoisting function of the elevator car 201 occurs from the side with respect to the entry/exit opening to the elevator car 201, in which case this is a so-called laterally suspended rucksack elevator, which is only one embodiment of a rucksack elevator.
  • Fig. 2f presents an elevator, in which the equipment 203 of the hoisting function is fitted into position in the elevator shaft on the long wall of the elevator car 201 and the hoisting function of the elevator car 201 occurs from the side with respect to the entry/exit opening to the elevator car 201, in which case this is a so-called laterally suspended rucksack elevator, which is only one embodiment of a rucksack elevator.
  • 2g presents a modular rucksack elevator, in which there is only one entry/exit opening to the elevator car 201 and the equipment 203 of the hoisting function is situated in the elevator shaft on the opposite wall to the entry/exit opening to the elevator car 201.
  • the elevator presented in Fig. 2h is fitted against the fixed walls 202 of the building on only two sides of the elevator car.
  • An entry/exit opening to the elevator car 201 is arranged on the side of one of the fixed walls and the equipment 203 of the hoisting function is disposed in the space between the elevator car 201 and the fixed wall 202 of the building, for which no entry/exit opening is arranged.
  • the elevator presented in Fig. 2h is preferably applicable for use also scenic-type elevator solutions in a building.
  • Fig. 3 presents a rucksack elevator with machine room above.
  • the elevator presented in Fig. 3 is similar to that in Fig. 1.
  • the passage of the hoisting ropes is similar compared to Fig. 1.
  • Fig. 3 presents in more detail the integrated top beam structure.
  • Preferably all the structures supporting the car and the counterweight are fixed into position on the beam structure 310 according to the invention.
  • the beam structure 310 in question is preferably supported by the car guide rails and the wall of the elevator shaft and/or the ceiling of the elevator shaft.
  • the car guide rails 303 and the counterweight guide rails 306 bear the vertical forces exerted on the beam structure.
  • the placement of the hoisting equipment and the suspension equipment of the elevator presented in Fig. 3 enables very efficient use of space in the area of the hoisting function of the elevator.
  • a large cross-sectional area of the counterweight can be achieved and fixing of the guide rails can be implemented easily on the same guide rail fixing.
  • the hoisting function of the modular elevator is also easy and inexpensive to implement in the manner presented in Fig. 3.
  • Fig. 3 also shows that it is preferable to locate the diverting pulleys 316, 317 in position e.g. on the counterweight or on its frame on the same axis, in which case their fixing is easy to implement.
  • the hoisting of the elevator car 301 occurs from the vertical beams of the car sling 307 on the sides of the elevator car 301 a space-saving structure is achieved in the elevator shaft. For instance, it is possible if necessary to drive the elevator car higher.
  • Fig. 4 presents a rucksack elevator, in which the equipment of the hoisting function is situated to the side of the elevator car with respect to the entry/exit opening, in which case this is a so-called laterally suspended elevator.
  • Fig. 4 presents a similar elevator to those in Figs. 1 and 3.
  • the passage of the hoisting ropes is similar compared to Fig. 1 or Fig. 3.
  • a similar integrated top beam structure' 410 as in Fig. 3 is presented in Fig. 4.
  • Preferably all the structures supporting the car and the counterweight are fixed into position on the beam structure 410.
  • the beam structure 410 in question is preferably supported by the car guide rails and the wall of the elevator shaft and/or the ceiling of the elevator shaft.
  • the car guide rails 403 and the counterweight guide rails 406 bear the vertical forces exerted on the beam structure.
  • the placement of the hoisting equipment and the suspension equipment of the elevator presented in Fig. 4 enables very efficient use of space in the area of the hoisting function of the elevator. With the arrangement according to the figure the space required by the hoisting function can be very narrow. Furthermore the fixing to the building is simple and easy to implement.
  • the hoisting function of the modular elevator is also easy and inexpensive to implement in the manner presented in Fig. 4. In a laterally suspended elevator the guide forces typical for rucksack elevators become advantageously small because the hoisting function of the elevator is situated on the long wall of the elevator car.
  • a preferred embodiment of the elevator of the invention is an elevator without machine room and with the machine above, in which the drive machine has a coated traction sheave, said elevator having thin hoisting ropes of essentially round cross-section.
  • the angle of- contact of the hoisting ropes with the traction sheave is greater than 180°.
  • the elevator comprises a hoisting machine, in which a drive machine is fitted to a base, a traction sheave and a diverting pulley, which is pre-fitted at a correct angle with respect to the traction sheave.
  • the unit is fixed to the guide rails of the elevator.
  • the elevator is implemented without counterweight with a suspension ratio of 4:1 such that the roping of the elevator passes in the space between one wall of the elevator car and the wall of the elevator shaft.
  • the hoisting function is modular, so it is easy to install and situate on almost any wall of the elevator car in the space between the elevator car and the wall of the elevator shaft.
  • Preferably all the equipment of the hoisting function is fixed into position on the same beam system structure, which is supported by the guide rails and the wall of the elevator shaft and/or the ceiling of the elevator shaft.
  • traction sheaves and rope pulleys used in the invention whether metallic or made of some other material suited to the purpose, which are coated with a non-metallic material at least in the area of their grooves, may be implemented using a coating material consisting of e.g. rubber, polyurethane or some other material suited to the purpose.
  • the elevator car and the machine unit may be laid out in the cross-section of the elevator shaft in a manner differing from the lay-out described in the examples.
  • the equipment required for the supply of power to the motor and the equipment needed for elevator control can be placed elsewhere than in connection with the machine unit, e.g. in a separate instrument panel, or equipment needed for control can be implemented as separate units which can be disposed in different places in the elevator shaft and/or in other parts of the building.
  • the elevator applying the invention can be equipped otherwise than as presented in the examples.
  • the elevator of the invention can be implemented using almost any type of flexible hoisting means as hoisting ropes, e.g. flexible rope of one or more strands, flat belt, cogged belt, trapezoidal belt or some other type of belt applicable to the purpose.
  • hoisting ropes e.g. flexible rope of one or more strands, flat belt, cogged belt, trapezoidal belt or some other type of belt applicable to the purpose.
  • the elevator of the invention can be implemented using different roping arrangements between the traction sheave and the diverting pulley/diverting pulleys to increase the contact angle ⁇ than those described as examples.
  • the invention can be applied in elevator solutions without counterweight. It is obvious to the person skilled in the art that there can be a different amount of guide rails in the elevator of the invention than in the examples described and that other elevator guide rails than those described in the examples can be used as guide rails.

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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)

Abstract

Ascenseur dont le type est, de préférence, « sans local de machine », se composant d’une cabine d’ascenseur soutenue par des câbles de levage au moyen d’au moins deux poulies de déflexion fixées à l’élingue de la cabine. L’ascenseur comporte en outre un contrepoids soutenu par les câbles de levage au moyen d’au moins deux poulies de déflexion, des rails de guidage de cabine, des rails de guidage de contrepoids, au moins deux poulies de déflexion correspondant aux câbles de levage dans la partie supérieure de la gaine d’ascenseur et un mécanisme de levage avec une poulie motrice à gorge dans la partie supérieure de la gaine d’ascenseur. Les poulies de déflexion et le mécanisme de levage de la partie supérieure de la gaine d’ascenseur sont soutenus par au moins un rail de guidage, de préférence tous les rails de guidage ensemble, avec une structure de poutre de support.
PCT/FI2005/000438 2004-11-16 2005-10-11 Ascenseur WO2006053934A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20041472A FI20041472A (fi) 2004-11-16 2004-11-16 Hissi
FI20041472 2004-11-16

Publications (1)

Publication Number Publication Date
WO2006053934A1 true WO2006053934A1 (fr) 2006-05-26

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ID=33515233

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Application Number Title Priority Date Filing Date
PCT/FI2005/000438 WO2006053934A1 (fr) 2004-11-16 2005-10-11 Ascenseur

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FI (1) FI20041472A (fr)
WO (1) WO2006053934A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008056026A1 (fr) * 2006-11-10 2008-05-15 Kone Corporation Ascenseur à poulie de traction sans contrepoids
EP3771682A1 (fr) * 2019-08-02 2021-02-03 Hans Lutz Maschinenfabrik GmbH & Co. KG Ascenseur doté d'un moyen de traction de courroie
US11104549B2 (en) 2015-11-25 2021-08-31 Otis Elevator Company Machine mounting structure for elevator system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020017434A1 (en) * 1999-01-27 2002-02-14 Jaakko Orrman Traction sheave elevator
US20030159891A1 (en) * 2000-09-27 2003-08-28 Ernst Ach Elevator with drive unit mounted in a superior lateral section of the elevator hoistway
US20040035645A1 (en) * 2001-01-25 2004-02-26 Jaakko Orrmann Elevator

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020017434A1 (en) * 1999-01-27 2002-02-14 Jaakko Orrman Traction sheave elevator
US20030159891A1 (en) * 2000-09-27 2003-08-28 Ernst Ach Elevator with drive unit mounted in a superior lateral section of the elevator hoistway
US20040035645A1 (en) * 2001-01-25 2004-02-26 Jaakko Orrmann Elevator

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008056026A1 (fr) * 2006-11-10 2008-05-15 Kone Corporation Ascenseur à poulie de traction sans contrepoids
EA014743B1 (ru) * 2006-11-10 2011-02-28 Коне Корпорейшн Лифт с канатоведущим шкивом без противовеса
US11104549B2 (en) 2015-11-25 2021-08-31 Otis Elevator Company Machine mounting structure for elevator system
EP3771682A1 (fr) * 2019-08-02 2021-02-03 Hans Lutz Maschinenfabrik GmbH & Co. KG Ascenseur doté d'un moyen de traction de courroie

Also Published As

Publication number Publication date
FI20041472A (fi) 2006-05-17
FI20041472A0 (fi) 2004-11-16

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