EP1882668B1 - Ascenseur avec moteur placé dans le contre-poids - Google Patents

Ascenseur avec moteur placé dans le contre-poids Download PDF

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Publication number
EP1882668B1
EP1882668B1 EP06117751.5A EP06117751A EP1882668B1 EP 1882668 B1 EP1882668 B1 EP 1882668B1 EP 06117751 A EP06117751 A EP 06117751A EP 1882668 B1 EP1882668 B1 EP 1882668B1
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EP
European Patent Office
Prior art keywords
counterweight
motor
car
drive
cable
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EP06117751.5A
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German (de)
English (en)
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EP1882668A1 (fr
Inventor
Hansruedi Diethelm
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Individual
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    • 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
    • B66B11/0055—Arrangement of driving gear, e.g. location or support in the hoistway on the counterweight
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/027—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions to permit passengers to leave an elevator car in case of failure, e.g. moving the car to a reference floor or unlocking the door

Definitions

  • the invention relates to an elevator according to the preamble of claim 1.
  • the elevators used in buildings include a car, a cable assembly, a drive, a counterweight, and guides for the car and counterweight.
  • the rope guide is designed according to the needs.
  • the cable or steel cable is preferably fastened at both ends above the uppermost position of the cabin and guided in between over at least one deflection roller, which is also fastened above the uppermost position of the cabin. This creates two rope loops, with the counterweight hanging in one loop and the cabin hanging in the other loop. When the cabin is moved, the two rope loops change their size.
  • the common guides for the car and the counterweight each include at least two guide profiles that are mounted on the elevator shaft. Sliding shoes or roller arrangements connected to the cabin or the counterweight are connected to the guide profiles.
  • a controller and a drive motor enable the desired movements of the cabin.
  • a drive with a traction sheave is arranged at the upper end area of the elevator shaft.
  • the axis of rotation of the drive is perpendicular to the nearest shaft wall and to the nearest car wall.
  • the traction sheave forms the deflection pulley between the two rope loops.
  • the drive with the traction sheave is extended in the radial direction and requires little space in the axial direction, so that it can be accommodated in a narrow area between a shaft wall and a cabin wall.
  • the diameter of the disc-shaped drive system is at least 800mm for smaller loading capacities of the cabin. So that the expansion in the axial direction can be kept as small as possible, the diameter is chosen to be even larger for larger loading capacities or drive powers.
  • the EP 1 305 249 B1 describes a traction sheave drive machine, which is arranged on the cabin together with the operating electronics.
  • the designs described include a synchronous motor with planetary gear and traction sheave according to DE 197 39 899 A1 .
  • Such drive motors generate unwanted noise in the cabin and are relatively large both in the axial direction and in the radial direction. If they protrude from the side of the car, they require an undesirably large free shaft area to the side of the car, depending on their extent in the axial direction. In addition, the large diameter of the traction sheave restricts the arrangement of the guides in the shaft. If such drive motors are arranged on the cabin roof, they require an undesirably large shaft height above the top station, which results from the sum of the diameters of the traction sheave and the upper deflection roller.
  • EP 1 305 249 B1 describes a mechanical device for opening the automatically spring-loaded closing brake in the event of a power failure.
  • Mechanical means of emergency rescue lead from the drive directly into the interior of the cabin. After activating the emergency release device, the cabin moves. When an exit position is reached, the effect of the emergency rescue device on the brake is interrupted and the brake creates a lock again.
  • This simple mechanical solution for emergency rescue is only possible if the drive is on the Cabin is arranged.
  • EP 1 432 104 A2 describes an electronically commutated external rotor motor for conveyor belts.
  • the EP 1 106 559 B1 describes a drive in the counterweight, in which the motor acts frictionally on a guide profile via a drive roller. Due to the small diameter of the drive roller, the drive does not require a particularly large area of the elevator shaft. However, it has been shown that a frictional transmission of force from the drive roller to the guide profile is already problematic due to the loss of friction. In addition, due to the long downtimes and the high contact pressure, the drive roller becomes imbalanced and thus runs undesirably. Undesirable noises are transmitted from the drive roller to the guides of the counterweight and thus to the shaft.
  • the motor is powered by a battery at the counterweight.
  • the counterweight In order to charge the battery, the counterweight is moved into a charging position in which a transformer part arranged on the shaft and a transformer part arranged on the counterweight cooperate and thereby enable current transmission.
  • the battery is charged via a rectifier.
  • the repeated positioning of the counterweight at the loading position limits the immediate use of the elevator at all times.
  • the EP 0 606 875 A1 describes an elevator with an external rotor drive in the counterweight. Due to the large diameter, the design of the counterweight is severely restricted and the shaft cross-section cannot be optimally utilized for the cabin. JP 2003 104665 A describes another elevator with the drive on the counterweight.
  • the invention is now based on the general object of finding an elevator which comprises as little material as possible, uses the shaft cross-section optimally for the car and in which as little noise as possible is transmitted from the drive to the shaft and into the car.
  • a simple emergency release and/or safe maintenance of the drive should be guaranteed.
  • a cylindrical drive with an outer rotor sleeve can be dimensioned in such a way that the diameter of the outer rotor sleeve is smaller than the expansion of the drive in the direction of the drive axis.
  • the drive axis is preferably aligned essentially horizontally.
  • the vertical cable sections of the cable loop at the counterweight run directly to the outer sleeve.
  • the drive axis can also be aligned vertically, for example, in which case the vertically aligned cable areas of the loop close to the counterweight must each be deflected by 90° so that the cable runs essentially horizontally at the outer rotor sleeve.
  • two deflection rollers must be mounted on the counterweight at the level of the outer rotor sleeve.
  • the drive axis can also be aligned at an angle, in which case the deflection of the cable at the counterweight is adapted to the axis of the outer rotor sleeve.
  • the rotating outer rotor sleeve pulls the rope directly or via a deflection pulley and guides the rope directly or via another deflection pulley.
  • the rope is at least slightly wrapped around the outer runner sleeve.
  • the counterweight with drive is guided on a second guide device, so that the cable feed at the outer rotor sleeve causes a vertical movement of the counterweight and the elevator car. So that the second guide device can absorb the forces arising during the feed, it is dimensioned to be sufficiently strong.
  • the second guide device preferably comprises two vertical guide profiles which run laterally to the counterweight and on which guide shoes and/or rollers of the counterweight are guided.
  • An elevator comprises a car with car walls and at least one car door on a front side.
  • a first guide device is arranged on the elevator shaft to guide the movement of the car.
  • the counterweight is guided in the second guide device, with the at least one cable or steel cable for simultaneously moving the cabin and the counterweight being stationary at both ends and forming a downward-hanging loop on the cabin and on the counterweight .
  • a drive for driving the cable is arranged on the counterweight. Its drive axis runs essentially parallel to a plane through the cabin wall facing the counterweight.
  • the drive is gearless and includes an outer rotor sleeve running around the drive axis, with the diameter of the outer rotor sleeve being smaller than the extension of the drive in the direction of the drive axis and the cable being wrapped around the outer rotor sleeve with a wrap of at least 180° .
  • Housing parts of the drive are attached to a frame of the counterweight. Both the rotatable outer rotor sleeve and the non-rotatable stator within the outer rotor sleeve are fastened to these housing parts.
  • Such a cylindrical drive with Outrunner sleeve can provide the drive power required for elevators with a small cylinder diameter.
  • the cylindrical drive in comparison to a drive that is extended in the radial direction and small in the axial direction, the cylindrical drive can be designed more optimally in terms of space requirement and power, so that it can be accommodated in a narrow area between a shaft wall and a cabin wall.
  • the cylindrical drive can be dimensioned and arranged in such a way that the first guiding device for the car can be built over the entire height of the shaft in the usual way.
  • the counterweight with the cylindrical drive is placed next to a guide profile of the first guide device.
  • the shaft cross-section can be optimally utilized and noise from the drive is essentially not transmitted to the shaft and into the car.
  • the car door In the case of extremely narrow elevator shafts, the car door essentially extends over the entire width of the elevator shaft. This means that the required minimum shaft width is determined by the desired smallest access door width. Telescopic doors are commonly used, preferably having an entry area at least 800mm wide. The total width of a telescopic door with a passage width of 800mm is approx. 1200 to 1330mm. Therefore, the elevator shaft must have a width of at least essentially 1300mm.
  • the counterweight can be arranged in the projecting area of the cabin door, with a guide profile of the first guide device and next to it two guide profiles of the second guide device being arranged.
  • a cabin door can also be arranged on the rear wall of the cabin facing away from the cabin door, because no guide profiles are required there. If no cabin door is desired on the rear wall of the cabin, the counterweight can also be arranged on a second guide device outside the rear wall.
  • the inventive solution thus allows various Elevator configurations.
  • the elevator 2 comprises a car 3 with car walls 4 and at least one car door 5 on a front side.
  • a first guide device 6 is attached to the elevator shaft to guide the movement of the car.
  • the first guide device 6 preferably comprises two first guide profiles 6a, which are arranged in the - cabin walls 4 on both sides of the cabin door 5 in the middle cabin area. Guide shoes 3a of the cabin 3 are guided on the guide profiles 6a.
  • a counterweight 7 is guided in a second guide device 8 .
  • the second guide device 8 preferably comprises two second guide profiles 8a, which are arranged next to the first guide profile 6a on a wall 4 adjoining the car door 5.
  • a drive 10 for driving a cable 9 or a steel cable is arranged on the counterweight 7 .
  • its drive axis 10a runs essentially parallel to a plane through the cabin wall 4 facing the counterweight 7.
  • the drive 10 is gearless and includes an outer rotor sleeve 11 running around the drive axis 10a.
  • the diameter of the outer rotor sleeve 11 is smaller as the extension of the drive 10 in the direction of the drive axis 10a.
  • the cable 9 is wound around the outer rotor sleeve 11 with a wrap of at least 180°.
  • the outer runner sleeve 11 includes the outside Cable grooves 11a, which are preferably nitrided.
  • the drive 10 is dimensioned such that the diameter of the outer rotor sleeve 11 is smaller than the extension of the drive 10 in the direction of the drive axis 10a.
  • the diameter of the outer rotor sleeve 11 is less than 320 mm and is preferably essentially 240 mm. If the drive axle 10a is oriented essentially horizontally, the extension of the drive 10 in the direction of the drive axle 10a is less than 700 mm, preferably essentially 600 mm. Because of the small diameter of the outer rotor sleeve 11, a steel cable is used as the cable 9, the maximum diameter of which is 8 mm, but preferably essentially 6 mm.
  • the drive comprises an electrical synchronous motor with permanent magnets, the permanent magnets being arranged towards the inside on the outer rotor sleeve 11 and the windings for generating the electromagnetic field on the stator inside the outer rotor sleeve 11 .
  • the cable 9 is fastened with both ends to the upper end of the elevator shaft 1, only one of the two fastenings 9b being shown in the figure, namely above the counterweight 7.
  • the cable 9 forms a loop 9a at the counterweight 7, then leads via two deflection rollers 12 at the upper end of the elevator shaft 1 to a loop 9a at the car 3.
  • the loop of the counterweight 7 can also include a block and tackle arrangement, so that the counterweight 7 only moves over a portion, for example half, of the shaft height.
  • the rope loop 9a with the car 3 leads from an upper deflection roller 12 via two deflection rollers 12 below the car 3 to a fastening 9b, not shown, at the upper end of the elevator shaft 1.
  • the rope loop 9a with the counterweight 7 leads from the fastening 9b shown via the wrap the outer rotor sleeve 11 to an upper deflection roller 12.
  • the diameter of the deflection rollers 12 essentially corresponds to the diameter of the outer rotor sleeve 11 and is therefore small. Small diameter pulleys 12 allow the shaft height above the top station and the pit depth below the bottom station to be minimized.
  • braking elements 13 are pressed against the outer rotor sleeve 11 by a pressing device.
  • At least one release electromagnet is used to release the braking elements 13 .
  • the at least one release electromagnet is connected to a battery via a switching device.
  • the rechargeable battery and the switching device enable the brake elements 13 to be released even in the event of a mains voltage failure.
  • short-circuit bridges can be switched on which, when the drive supply is switched off, brake elements 13 released and the external rotor sleeve 11 achieve braking through the generator effect of the drive 10 and thereby enable a slow cabin movement for emergency rescue.
  • a first trailing cable 19 is provided for feeding the drive 10 and for transmitting control signals between the counterweight 7 and stationary control elements in a control cabinet.
  • a second trailing cable connects cabin 3 to the control cabinet, so that the power supply to the cabin and the transmission of control and display signals between the cabin and the control is guaranteed.
  • the trailing cables are designed, for example, as multi-pin ribbon cables.
  • the control cabinet is preferably at the lowest station (not shown because behind the car 3), but optionally at another station, or also from the shaft 1 away.
  • a field-oriented, current-controlled frequency converter with encoder feedback, which is arranged on the counterweight 7, is preferably used to control the drive.
  • the driving movements of the counterweight 7 result in the am Counterweight 7 arranged components to a cooling. At least the drive motor of the counterweight 7 is cooled by the relative wind. Because the frequency converter is also arranged at the counterweight 7, the frequency converter is also cooled by the relative wind. In addition to airflow cooling, forced ventilation is also installed if necessary.
  • the drive and the frequency converter contribute to the mass of the counterweight, so that additional compensating weight elements 7a are saved. The total cost of materials is reduced. Because the frequency converter is used directly with the drive, the cabling between the drive and the frequency converter is simplified.
  • the elevator does not require a machine room for the drive and reduces the material requirements as well as the manufacturing and assembly costs.
  • the counterweight 7 comprises a simply constructed frame 7b to which the drive 10 and also other components, such as a locking device 14, are attached to the counterweight 7.
  • the drive 10 can be connected to the frame 7b via damping elements. Savings can be achieved during assembly if the counterweight 7 is delivered to the construction site with the integrated drive 10 as a prefabricated component.
  • Buffers 21 for the car and for the counterweight are formed at the lower end of the shaft.
  • FIG 3 shows an elevator control AS, which is connected to a frequency converter FU and a braking device B.
  • the braking device B comprises braking elements, which are pressed by a pressing device against the outer rotor sleeve 11 of the electric motor M, and at least one release electromagnet for releasing the braking elements.
  • the elevator control AS causes the brake elements to be released and the motor M to be set in motion via the frequency converter FU.
  • a return control RS is equipped with a battery AK and the Braking device B connected. Releasing the braking device B can be achieved via the battery AK. With this arrangement, a return option is provided in the event of a power failure.
  • the AK battery In the elevator's normal operating mode, the AK battery is permanently charged. Each time the elevator starts up, the braking device B is unlocked if the battery AK is sufficiently charged. If there is insufficient charge, the elevator remains blocked in the station and goes into a failure mode. In malfunction mode, the car and landing doors open and remain open until the malfunction is rectified. This prevents people from being trapped.
  • the main switch When the power supply fails, the main switch is turned off to prevent a dangerous operating condition if the power supply is suddenly restored.
  • the braking device B is then released via the retraction control RS. Due to the freewheeling of the drive 10, the car will automatically move up or down to the nearest stop 1a, depending on the car load. During this emergency operation, short-circuit bridges are switched on, so that braking is achieved by the generator effect of the drive 10 .
  • FIG. 4 shows the locking device 14 with two movable engagement elements 15.
  • At least one bracket 16 is attached to the second guide device 8, or to the guide profiles 8a, at least at one maintenance position.
  • the locking device 14 is attached to the counterweight 7 .
  • the at least one movable engagement element 15 can be used to lock the Counterweight 7 are brought into engagement with the at least one bracket 16.
  • a lever 17 of the locking device 14 is actuated.
  • the engagement elements 15 are monitored by electromechanical forced contacts 18, with the determined positions of the engagement elements 15 preferably being transmitted to the controller AS.
  • the cabin 3 is moved to a height slightly below the counterweight 7 and the work can be carried out easily from the cabin roof.
  • the counterweight 7 is locked with the locking device 14.
  • the positions of the sliding bolts 15 are monitored by the controller AS.
  • the embodiment described ensures easy emergency rescue and safe maintenance of the drive.
  • FIG. 5 shows the frame 7b with two vertical and two horizontal frame parts.
  • a foot 22 which is assigned to a buffer 21 of the elevator shaft 1 , is arranged on the lower horizontal frame part.
  • the drive 10 is attached to the upper horizontal frame part.
  • the housing of the illustrated drive 10 comprises a horizontal mounting plate 23 connected to the frame 7b and end plates 24 protruding downwards at both ends of the mounting plate 23.
  • the end plates 24 are fixed to the stator and via a pivot bearing to the outer rotor sleeve (11) tied together.
  • An electrical connection device 25 of the drive 10 protrudes laterally beyond one of the end plates 23 .
  • the frequency converter FU is also connected to the frame 7b, optionally via the mounting plate 23. To feed the drive 10, electrical energy reaches the connection device 25 from the frequency converter FU.
  • the locking device 14 is fastened to the frame 7b between the drive 10 and the compensating weight elements 7a.
  • the frame 7b is guided on the guide profiles 8a via second guide shoes 7c.
  • the frame 7b is preferably delivered to the construction site with a locking device 14, drive 10, frequency converter FU and wiring, which facilitates on-site assembly.
  • the frame 7b is mounted on the guide shoes 7c on the second guide profiles 8a.
  • the rope 9 is laid in the rope grooves 11a with the desired wrapping, guided around the deflection rollers 12 and fastened at both ends at the top of the elevator shaft. The required compensating weight elements 7a are then used.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)

Claims (10)

  1. Ascenseur comportant une cabine (3), qui comprend des parois de cabine (4) et une porte de cabine (5) sur au moins un côté avant, un premier dispositif de guidage (6) destiné au guidage du mouvement de la cabine, un contre-poids (7), un second dispositif de guidage (8) destiné au guidage du mouvement du contre-poids (7), au moins un câble (9) destiné au mouvement simultané de la cabine (3) et du contre-poids (7) et un moteur (10) destiné à entraîner le câble (9),
    le câble (9) étant disposé fixe aux deux extrémités, formant, auprès de la cabine (3) et auprès du contre-poids (7), une boucle (9a) suspendue vers le bas et étant guidé entre les boucles (9a) par le biais d'au moins une poulie de renvoi supérieure (12),
    le moteur (10) étant disposé sur le contre-poids (7),
    le moteur (10) comprenant une enveloppe de rotor extérieur (11) autour de l'axe du moteur (10a) et le câble (9) s'étendant avec un enroulement d'au moins 180° autour de l'enveloppe de rotor extérieur (11), l'axe du moteur (10a) s'étendant sensiblement parallèlement à un plan traversant la paroi de cabine (4) orientée vers le contre-poids (7), ou étant orienté parallèlement à la paroi de cabine contiguë,
    et le diamètre de l'enveloppe de rotor extérieur (11) étant inférieur à la dimension du moteur (10) dans la direction de l'axe du moteur (10a), caractérisé en ce que le moteur (10) est sans engrenage et, pour une alimentation du moteur (10) ainsi qu'une transmission de signaux de commande, un câble souple (19) va du contre-poids (7) à une armoire de commande fixe et, pour la régulation du moteur, un convertisseur de fréquence (FU) avec retour codeur est disposé sur le contre-poids (7).
  2. Ascenseur selon la revendication 1, caractérisé en ce que le diamètre de l'enveloppe de rotor extérieur (11) est inférieur à 320 mm, de préférence sensiblement égal à 240 mm.
  3. Ascenseur selon la revendication 1 ou 2, caractérisé en ce que l'axe du moteur (10a) est orienté sensiblement à l'horizontale et la dimension du moteur (10) dans la direction de l'axe du moteur (10a) est inférieure à 700 mm, de préférence sensiblement égale à 600 mm.
  4. Ascenseur selon l'une des revendications 1 à 3, caractérisé en ce que le moteur (10) comprend un moteur synchrone électrique à aimants permanents, les aimants permanents étant disposés vers l'intérieur sur l'enveloppe de rotor extérieur (11) et les enroulements destinés à générer le champ électromagnétique étant disposés sur le stator à l'intérieur de l'enveloppe de rotor extérieur (11).
  5. Ascenseur selon l'une des revendications 1 à 4, caractérisé en ce que le diamètre du câble (9) est de maximum 8 mm, mais de préférence sensiblement de 6 mm.
  6. Ascenseur selon l'une des revendications 1 à 5, caractérisé en ce que l'au moins une porte de cabine (5) comprend des éléments coulissants qui, dans l'état ouvert de la porte de cabine (5), dépassent sur un premier côté au-delà d'une première paroi de cabine (4) contiguë dans une zone de saillie et le contre-poids (7) est disposé latéralement de manière contiguë à la première paroi de cabine (4) dans cette zone de saillie, un profilé de guidage (6a) du premier dispositif de guidage (6) et à côté de celui-ci deux profilés de guidage (8a) du second dispositif de guidage (8) étant disposés dans la zone de saillie.
  7. Ascenseur selon l'une des revendications 1 à 6, caractérisé en ce que des éléments de freinage (13) sont pressés contre l'enveloppe de rotor extérieur (11) par un dispositif de pression et qu'au moins un électroaimant de déblocage est utilisé pour desserrer les éléments de freinage (13).
  8. Ascenseur selon la revendication 7, caractérisé en ce que l'au moins un électroaimant de déblocage est relié à un accumulateur (AK) par le biais d'une commande de rappel (RS), l'accumulateur et la commande de rappel (RS) rendant les éléments de freinage (13) aptes à être desserrés même en cas de panne de la tension réseau, des ponts de court-circuit pouvant être activés, qui, en cas d'alimentation du moteur coupée, d'éléments de freinage (13) desserrés ainsi que d'enveloppe de rotor extérieur (11) en rotation obtiennent un freinage par l'effet génératrice du moteur (10), et permettent ainsi un mouvement lent de la cabine pour une libération d'urgence.
  9. Ascenseur selon l'une des revendications 1 à 8, caractérisé en ce qu'au moins une console (16) est fixée sur le second dispositif de guidage (8) au moins en une position de maintenance et au moins un élément de prise (15) mobile est disposé sur le contre-poids (7), l'au moins un élément de prise (15) étant amené en prise avec l'au moins une console (16) pour bloquer le contre-poids (7) sur le second dispositif de guidage (8).
  10. Ascenseur selon l'une des revendications 1 à 9, caractérisé en ce que deux poulies de renvoi supérieures (12), dont le diamètre correspond sensiblement au diamètre de l'enveloppe de rotor extérieur (11), sont utilisées entre les boucles (9a).
EP06117751.5A 2006-07-24 2006-07-24 Ascenseur avec moteur placé dans le contre-poids Active EP1882668B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06117751.5A EP1882668B1 (fr) 2006-07-24 2006-07-24 Ascenseur avec moteur placé dans le contre-poids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06117751.5A EP1882668B1 (fr) 2006-07-24 2006-07-24 Ascenseur avec moteur placé dans le contre-poids

Publications (2)

Publication Number Publication Date
EP1882668A1 EP1882668A1 (fr) 2008-01-30
EP1882668B1 true EP1882668B1 (fr) 2023-08-30

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH699711A2 (de) * 2008-10-12 2010-04-15 Henseler H Ag Antrieb für eine Liftkabine.
CN101407301A (zh) * 2008-11-17 2009-04-15 吕安文 无能耗升降装置
EP2497739A1 (fr) 2011-03-10 2012-09-12 Hansruedi Diethelm Ascenseur
CN112158707A (zh) * 2020-09-28 2021-01-01 扬州伟铧电梯有限公司 轿厢驱动式升降电梯

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI811414A0 (fi) * 1981-05-07 1981-05-07 Elevator Gmbh Frekvensomformarstyrd kortslutningsmotor
FI93631C (fi) * 1993-01-11 1995-05-10 Kone Oy Vastapainoon sijoitettu hissimoottori
JP3152034B2 (ja) * 1993-10-28 2001-04-03 三菱電機株式会社 トラクションシーブ式エレベータ装置
DE19720479A1 (de) * 1997-05-16 1998-11-19 Baumueller Nuernberg Gmbh Hebevorrichtung, insbesondere Aufzug, mit einem Elektromotor und Verwendung des Elektromotors
IT1308297B1 (it) * 1999-09-13 2001-12-10 Volpi S R L Motore sincrono a magneti permanenti per argani di ascensori
JP4927277B2 (ja) * 2001-09-28 2012-05-09 東芝エレベータ株式会社 エレベータ
EP1432104B1 (fr) * 2002-12-16 2006-12-06 ebm-papst St. Georgen GmbH & Co. KG Moteur à rotor extérieur avec support de palier fixé

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