EP2370338A1 - Gegengewicht in einer aufzugsanlage - Google Patents
Gegengewicht in einer aufzugsanlageInfo
- Publication number
- EP2370338A1 EP2370338A1 EP09795762A EP09795762A EP2370338A1 EP 2370338 A1 EP2370338 A1 EP 2370338A1 EP 09795762 A EP09795762 A EP 09795762A EP 09795762 A EP09795762 A EP 09795762A EP 2370338 A1 EP2370338 A1 EP 2370338A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- counterweight
- elevator
- elevator installation
- hollow body
- shaft
- 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
Links
- 238000009434 installation Methods 0.000 title claims abstract description 32
- 239000003380 propellant Substances 0.000 claims description 30
- 239000002360 explosive Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 239000003000 extruded plastic Substances 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 239000000725 suspension Substances 0.000 description 20
- 238000013461 design Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 5
- 239000004604 Blowing Agent Substances 0.000 description 3
- 239000000872 buffer Substances 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 239000002775 capsule Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241000269793 Cryothenia peninsulae Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- KAATUXNTWXVJKI-UHFFFAOYSA-N cypermethrin Chemical compound CC1(C)C(C=C(Cl)Cl)C1C(=O)OC(C#N)C1=CC=CC(OC=2C=CC=CC=2)=C1 KAATUXNTWXVJKI-UHFFFAOYSA-N 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B17/00—Hoistway equipment
- B66B17/12—Counterpoises
Definitions
- the present invention relates to an elevator installation, in which, guided over rollers, an elevator car and a counterweight are m driven by a lift shaft motor, wherein the counterweight is designed as a hollow body.
- Elevator systems there are elevator systems, so-called “Multimobilaufzuge”, as disclosed, for example m EP-Al-I 489 033, with elevator shafts stacked in a shaft Elevator systems have at least two superposed, vertically movable on guide rails elevator cabins, each with The floors to be served are preferably divided so that an upper elevator car accesses the upper floors and a lower elevator car the lower floors, but overlaps of this allocation are also realized.
- the object of the present invention is to eliminate the disadvantages of elevator systems according to the prior art and to find counterweights that are optimized in terms of their dimensions, but also in terms of their weight and other properties.
- the solution of the problem consists on the one hand in a conceptual arrangement and design of the elevator system and on the other hand in an adaptation of the drive system.
- Counterweights enable a new and optimized design of the counterweight body and its leadership.
- An exemplary embodiment of a counterweight can be realized both in an elevator installation which has only one counterweight and also in elevator systems which have a plurality of counterweights.
- an elevator installation must in fact provide a mechanical system which prevents unchecked impact of the counterweights on the shaft floor in the event of a carrying and propellant breakage.
- a free-falling counterweight could cause great damage by not only the shaft bottom or the shaft and the guide rails damaged, but also underneath lift cabins, in which there may even be persons.
- An exemplary embodiment of a counterweight is designed as a hollow body which is filled with a material or material with high mass density.
- a material or material with high mass density for example, sand or metal powder or meal or liquids such as water into consideration.
- the relative density d of the material of the filling is preferably at least 1.
- this hollow body is formed from a one-piece body.
- Em such hollow body is characterized by a particularly simple handle during assembly.
- the hollow body does not need in a number of A ⁇ rbeitssch ⁇ tten to be built up of several sub stuccoes, but can be positioned directly in the elevator shaft in a desired position.
- the hollow body are preferably made of plastic. Furthermore, it is preferably extruded plastic body with already integrated Fuhrungs instituten and attachment points.
- a counterweight or the Kunststoffkorper functionally so designed so that it is shared or destroyed in the event of a "free fall” and thereby releases its contents in finely divided form in the elevator shaft.
- the equipment with the counterweights described here represents a major structural simplification.
- the division or destruction of the counterweight is carried out according to the erfmdungsgemassen ⁇ us effetssection by a stop, which is arranged for example on the guide rails of the counterweight below the normal operating height of the counterweight at the end of a lane of the counterweight.
- this stop is mounted away from the shaft bottom, the more likely and more effective can thus be the dissipation of the kinetic energy of a free-falling counterweight. But even the arrangement of the stop close to or at the bottom of the shaft brings advantages, because a body that is destroyed shortly before or on impact no longer develops the same impact energy as a solid or intact body.
- a further embodiment variant gemass a fixedly positioned knife is provided which slits the counterweight body.
- an explosive charge or an explosive belt formed from a plurality of small explosive charges is arranged on the counterweight.
- the draw of the ignition of the explosive charge can basically be done with electrical or opto-electric sensors, simple mechanical draws that work reliably even in case of power failure, however, are preferred.
- Such a simple mechanical draw of the ignition can be, for example, a tripping lever fastened to the guide rail or a ripstop fastened to the shaft ceiling with a corresponding length.
- Another variant embodiment of a counterweight makes use of the fact that the best measurable physical size that occurs in the crack of the carrier and propellant, the tensile stress in the support and
- This Auslosewert in turn can be used for the ignition of the above-described explosive charges, or for example, for the ignition of a pyrotechnic capsule or actuation of a piezoelectric actuator and thereby taking place draw of an airbag-like gas bellows.
- the explosive expansion of the gas bellows within the - preferably in this case filled with a liquid - Hollow body causes a pressure is exerted from the inside against the side walls.
- the side walls are preferably provided with predetermined breaking seams, which withstand the pressure of the Fullmate ⁇ als, but not the increased internal pressure through the gas bellows. As a result, the hollow body opens already during the
- Liquid result because the physical counterweight system to be considered, including the liquid containing it, is in free fall. However, the stored pressure of the gas bladder is independent of this and prints out the content of the hollow body of the counterweight during its deployment.
- an optimization of the opening of the side walls can be achieved by the side walls are provided on its underside with the predetermined breaking seam and at its top with a hinge or another seam.
- This second seam or notch on the top of the sidewalls is designed so that the draw of the gas bladder does not burst it. However, it represents a material-conscious edge on which the side wall can open like a hinge.
- the embodiments of counterweights disclosed herein are suitable both for single-lift systems and for multi-lift systems. Especially in the latter and in particular in multi-lift systems, the counterweight embodiments shown here are advantageous. On the one hand, this is so because, in this embodiment of an elevator installation, elevator cars arranged under the counterweight can be located. On the other hand, in particular an elevator installation with two lift cabs suspended in the suspension ratio of 2: 1 in combination with one each in the
- Suspension ratio 1 1 suspended counterweight, the use of the relatively lightweight counterweight designs described herein.
- Em exemplary embodiment of a just mentioned elevator system has at least two elevator cars, which are arranged one above the other and which are each connected by means of a support and propellant, each with a counterweight.
- the elevator installation has at least two drives which each drive a traction sheave which is in operative contact with a respective carrying and propelling means, so that the elevator cars can be moved along guide rails in an elevator shaft.
- the elevator cars are suspended in a 2: 1 suspension in a carrying loop of the respective carrying and propellant means.
- the counterweights are in one 1: 1 suspension hung on one end of the carrying and blowing agent.
- the traction sheave is circulated by a carrier and propellant, which is preferably secured with a first end fixed to the ceiling or in the area of the ceiling of the elevator shaft.
- the drive or the traction sheave is preferably also arranged on the ceiling or in the region of the ceiling of the hoistway spaced from the fixed point of the first end so that the carrying and blowing means a
- This carrying strap preferably carries the first, upper elevator car by means of two rollers, which are arranged on two lower edges of the elevator car.
- the second end of the carrying and driving means is attached to a first counterweight.
- the second, below the first arranged elevator car is carried in a carrying loop of a second, separately guided support and propellant.
- This second support and propellant is attached to a first end, or a first end of the support loop, preferably also on the ceiling or in the region of the ceiling of the elevator shaft.
- the second elevator car is preferably suspended by means of two rollers, which are arranged on two lower edges of the elevator car, m the support loop, wherein the second end of the
- Carrying strap is guided to a second drive or to a second traction sheave, which is preferably also placed on the ceiling or in the area of the ceiling of the elevator shaft.
- a second end of the second support and propellant is again attached to a second counterweight.
- the elevator cars are considered in a so-called 2: 1 suspension, while the counterweights considered for themselves in a so-called 1: 1 suspension.
- the counterweights can drive almost the entire shaft height. Due to the 2: 1 suspension of the elevator cars in relation to the 1: 1 suspension of the counterweights, the counterweights cover twice as long a working path as the elevator cars and thus have to be half as heavy or voluminous. Thus, in turn, the shaft cross-section is claimed to a lesser extent by the counterweights and the elevator car base area can be increased, the
- Shaft cross-section to be reduced or the counterweight can be formed according to one of the above-described exemplary embodiments as a hollow body, which is filled with a material or material with high mass density.
- the elevator system is equipped with a carrier and propellant, which allows a much higher traction than conventional steel cable traction systems.
- Under traction system is here between a
- the traction system has a driving ability with a factor (system friction coefficient) in a range of 1.5 to 2.5, but preferably at least 2. This means that the traction forces are high enough to move an elevator car that is heavier by system friction than the associated counterweight.
- Another advantage is a facilitated installation and installation of the counterweights. Also, the guides and any deflection rollers no longer need to be designed so solid, so not only in terms of counterweights themselves, but also in terms of their leadership cost and weight can be saved. With appropriate design of the assembly processes, the counterweights can be spent completely and preassembled with a crane m the elevator shaft. The lower weight then allows a correspondingly simple installation process in the counterweight FuhrungsSystem.
- the potential of the elevator installation can be in one
- a further improved utilization of the shaft cross-section can be achieved according to an exemplary embodiment by the support rollers protrude on the undersides of the elevator cars on the body of the elevator car.
- a shaft utilization is possible, which provides on two (not necessarily opposite) walls, the leadership of the counterweights.
- a third wall of the elevator shaft is provided in this exemplary embodiment for the guidance of the elevator car. It makes sense to select the wall with the floor passages for this third wall.
- the guidance of the carrying and propelling means is not perpendicular due to the above carrying rollers. parallel to the shaft and cabin walls, but provided diagonally or obliquely. This in turn means that the supporting and propellant means, the rollers provided for this purpose and the traction sheaves only have to be arranged on one side outside an imaginary projection surface of the cabin cross-section. In this way it is achieved that the cross section of the elevator shaft is utilized even better by only one (instead of two) is provided by four sides for the leadership of the carrying and propellant.
- elevator systems arrangements or suspensions which also provide for the counterweights a 1: 1 ⁇ ufhangung, for the elevator cars, however, not only a 2: 1-, but a 3: 1- or 4: 1 attachment.
- the first deflection roller is in this case preferably arranged so that the traction sheave for building the required static friction on a larger circle segment than only 90 degrees (preferably more than 180 degrees) is in contact with the carrying and blowing agent.
- a suspension arrangement can be realized, which is constructed according to the basic principle of a factor pulley.
- a suspension arrangement which is constructed according to the basic principle of a power pulley, i. the free end of the carrying loop for the elevator car depends on the axis of a free roll.
- the invention also provides a method for dissipating the kinetic energy of a counterweight m of an elevator installation. This process has the following steps:
- the monitoring of the counterweight includes both the monitoring of the tension of the support and propellant on which the counterweight is suspended, as well as the position of the counterweight in relation to an associated track end.
- the sensors described above are used.
- mechanical systems are preferably used.
- An impermissible operating state occurs when either tension of the carrying and propellant fails or the counterweight has passed a lowermost permissible position on its lane. After this impermissible operating state, the hollow body is destroyed by means of one of the measures described above.
- Fig. 1 is a schematic representation of a lift installation according to the prior art
- Fig. 3 is a schematic representation of a erfmdungsgemassen counterweight
- Fig. 4 shows an alternative A.us ceremoniesssection a
- Fig. 5 shows a further Aus109sva ⁇ ante a
- Fig. 6 shows a further embodiment variant of a counterweight.
- Fig. 1 shows schematically an elevator system 100, as it corresponds to the prior art. She has one in one
- Elevator shaft 1 movable elevator car 2 which is connected via a support and propellant 3 with a counterweight 4.
- Carrying and propellant 3 is driven during operation with a traction sheave 5 Ant ⁇ ebsappel a 6.
- the elevator car 2 and the counterweight 4 are guided by means of guide rails 7a-7c extending over the shaft height.
- the elevator installation 100 has a top floor with a top floor structure 8, a second upper floor with a second upper floor structure 9, further floors with further floor structures 10 and a lower floor with a lowest floor structure 11.
- a shaft head 12 houses a space 29, in which the ⁇ nt ⁇ ebseven 6 is arranged. Under the pit head 12, a region of the elevator shaft 1 is understood, which extends between a shaft ceiling 13 and an elevator car 2, which holds on the top floor.
- the elevator shaft 1 has lateral shaft wall 18a and 18b and a shaft bottom 14, are arranged on the buffer 25.
- the shaft bottom 14 and a shaft ceiling 13 form a total height H of the elevator shaft 1.
- the total height H deductible the height of the shaft head 12 results in Bet ⁇ ebshohe h, in which the elevator car 2 and the counterweight 4 are movable.
- an elevator system 100 corresponding in the form shown in the prior art forms the support and propellant 3 from a first attachment point 15a on the shaft ceiling 13 to the traction sheave 5 a carrying loop 16a, m of the counterweight 4 by means of a support roller 17a running.
- This type of suspension of the counterweight represents a 2: 1 suspension.
- the support and propellant 3 further forms from the traction sheave 5 to a second fixed point 15b on the shaft ceiling 13, a second carrying loop 16b, in which the elevator car 2 is supported on support rollers 17b and 17c.
- This suspension also represents a 2: 1 suspension for the elevator car 2.
- the 2: 1 suspension - for both the counterweight 4, and for the elevator car 2 - means that the path of the counterweight 4 corresponds to the path of the elevator car 2 and basically the weight (physically correct mass) of the counterweight 4 of the mass of the elevator car 2 must correspond to normal occupancy.
- normal cabin size means normal occupancy 2-3 people, which equates to a mass of about 180 kg.
- the counterweight must have a mass equal to the mass of the empty elevator car plus about 180 kg.
- Deviations from this are borne by a system friction coefficient or the drive.
- the system friction coefficient is dependent on the traction ability of a traction system. Traction system is understood here as the traction forces transmitted between a traction sheave and a carrier and propellant via frictional engagement. For example, if the traction system has a system frictional coefficient of 2, this means that the traction forces are high enough to negotiate an elevator car that is heavier by the system frictional than the associated counterweight.
- Fig. 2 shows schematically a DuoMobile elevator installation 100a with an elevator shaft 1a, which is formed from a shaft bottom 14a with buffers 25a, lateral rare walls 18c and 18d and a shaft ceiling 13a.
- an upper elevator car 2a and a lower elevator car 2b are arranged one above the other. From their arrangement and suspension, the two individual systems forming the DuoMobile system are identical to the arrangement and suspension, i. for the
- Elevator cabins 2a and 2b are 2: 1 suspensions, and 1: 1 suspensions are realized for the counterweights 4a and 4b.
- the upper elevator car 2a is carried in a carrying loop 16c, which forms the carrying and propelling means 3a from the traction sheave 5a to an attachment point 15c at the shaft ceiling 13a.
- the carrying and propellant 3a undermines the elevator beam 2a in support rollers 17d and 17e.
- the elevator car 2a runs along guide rails 7e and 7f which are arranged along the entire height H of the hoistway 1a.
- the upper elevator car 2a serves an uppermost floor 8a, a second upper floor 9a and further floors 10a and 10b, this being symbolic in that it may be more or less than four floors. The same applies to the lower one
- Elevator cabin 2b which symbolically represented Stockwerke 10c, 10d, 10e, 10f and a lowermost floor IIa approach.
- the lower elevator car 2b also runs along the guide rails 7e and 7f and is hung with support rollers 17f and 17g in a carrying loop 16d, which forms a supporting and blowing means 3b from an attachment point 15d to the traction sheave 5b.
- the attachment point 15d for the lower individual system is arranged approximately at half the height of the elevator shaft 1a.
- the two drive units 6a and 6b with the traction sheaves 5a and 5b are arranged at the top in a shaft head 12 and allow a mobility of the counterweights 4a and 4b over a respective operating height Ji 1 or h->, each of the total height H of Elevator shaft Ia minus the height of the shaft head 12 and minus the height of a pit 35 correspond.
- the counterweights 4a and 4b are attached directly to one end of the respective carrying and driving means 3a and 3b and run on guide rails 7d and 7g, which extend over the entire length of the elevator shaft Ia.
- stops 21a and 21b are mounted on the guide rails 7d and 7g for the counterweights 4a and 4b stops 21a and 21b. Alternatively, they can also stand on the shaft bottom 14a, and be configured similarly to the buffers 25a.
- FIG. 3 schematically shows an exemplary embodiment of a counterweight 4c. It runs on the Guide rail 7d, which is fixed to the shaft wall 18c.
- the counterweight 4c is carried by the support and propellant 3 and consists of a hollow body 34, which forms a cavity 23 and integrated guide elements 19a and 19b.
- a counterweight of a lift system not only on one, but on two guide rails 7, the second would m the side view, however, not visible.
- the second guide rail can be enclosed by a third and a fourth integrated guide element 19.
- the cavity 23 is filled with a filling 20, for example with sand.
- the hollow body 34 is designed so that it breaks when hitting the stop 21a and the sand emerges.
- a counterweight 4c which is identical in principle is illustrated but which carries an explosive charge 22 on its underside.
- the ignition of the explosive charge 22 can in principle be carried out with a stop 21, or else by means of a rip cord or by means of a detection of the speed of the counterweight 4c.
- FIG. 5 shows schematically an exemplary embodiment variant of a counterweight 4d, which has a hollow body 34 with a projection 32.
- a knife 24 is fixed, which moves into the projection 32 and thus the hollow body 34 slits.
- the hollow body 34 empties its filling 20 when the counterweight 4d strikes the stop formed by the strut 26.
- FIG. 5 is apparent thanks to a perspective view that the counterweight 4 d with two Fuhrungs instituten 19 c and 19 d on one to the guide rail 7d parallel guide rail 7e runs along.
- Fig. 6 is a further embodiment variant of a counterweight 4e is shown schematically, which runs along the guide rails 7d and 7e.
- Counterweight 4e depends on the support and propellant 3, and if this should break, detects a sensor 27 eliminates the tension and thereby triggers, for example, a not shown in detail pyrotechmsche capsule, which brings a gas bladder 28 to an explosive expansion, which in turn
- the filling 20 in this case preferably a liquid, can thus escape, although the hollow body 34 is in free fall together with the filling 20.
- the side walls 33a and 33b are preferably provided with a notch 30a and 30b, respectively, so that the side walls 33a and 33b open better.
- the predetermined breaking notches 31a and 31b weaken the material of the side walls 33a and 33b such that the internal pressure of the gas bladder 28 or the suddenly increased internal pressure of the filling 20 causes the side walls 33a and 33b to tear at these locations.
- the notches 30a and 30b weaken the material less, and only so that they still withstand the internal pressure, but still represent a predetermined bending point.
Landscapes
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP09795762.5A EP2370338B1 (de) | 2008-12-26 | 2009-12-18 | Gegengewicht in einer aufzugsanlage |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP08172948 | 2008-12-26 | ||
| PCT/EP2009/067473 WO2010072657A1 (de) | 2008-12-26 | 2009-12-18 | Gegengewicht in einer aufzugsanlage |
| EP09795762.5A EP2370338B1 (de) | 2008-12-26 | 2009-12-18 | Gegengewicht in einer aufzugsanlage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2370338A1 true EP2370338A1 (de) | 2011-10-05 |
| EP2370338B1 EP2370338B1 (de) | 2013-06-12 |
Family
ID=40602545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP09795762.5A Not-in-force EP2370338B1 (de) | 2008-12-26 | 2009-12-18 | Gegengewicht in einer aufzugsanlage |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8668054B2 (de) |
| EP (1) | EP2370338B1 (de) |
| CN (1) | CN102264626B (de) |
| WO (1) | WO2010072657A1 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102126663A (zh) * | 2011-03-07 | 2011-07-20 | 邬建勋 | 一种无轨对重装置及无轨轿厢 |
| DE202011050022U1 (de) * | 2011-05-02 | 2011-07-14 | Stefan Thede | Aufzugnotbox |
| CN103224186A (zh) * | 2013-04-10 | 2013-07-31 | 苏州海仑士科技有限公司 | 一种塑壳混凝土配重块 |
| CN103663007B (zh) * | 2013-12-17 | 2015-08-12 | 叶荣伟 | 一种节能型曳引式电梯及其节能方法 |
| WO2019086194A1 (de) * | 2017-10-31 | 2019-05-09 | Inventio Ag | Vorrichtung zur durchführung von wartungsarbeiten in einem aufzugsschacht |
| CN111344246A (zh) * | 2017-11-17 | 2020-06-26 | 因温特奥股份公司 | 用于制造电梯的对重的方法、用于构造电梯设备的方法、用于电梯的对重以及具有对重的电梯设备 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US696706A (en) * | 1894-12-27 | 1902-04-01 | Otis Elevator Co | Elevator. |
| US807794A (en) * | 1904-01-30 | 1905-12-19 | Otis Elevator Co | Elevator. |
| ES373556A1 (es) * | 1969-11-06 | 1972-08-16 | Boguna Tintore | Perfeccionamientos en sistemas de accionamiento por grave- dad de aparatos elevadores. |
| US3845842A (en) * | 1973-06-13 | 1974-11-05 | W Johnson | Elevator system |
| JPS5267150U (de) * | 1975-11-14 | 1977-05-18 | ||
| JPS57117492A (en) * | 1981-01-16 | 1982-07-21 | Hitachi Ltd | Balance weight for elevator |
| EP1489033B2 (de) | 2003-06-18 | 2015-05-27 | Inventio AG | Aufzugsanlage mit in einem Schacht übereinander angeordneten Kabinen |
| JP2005008414A (ja) * | 2003-06-18 | 2005-01-13 | Inventio Ag | エレベーター設備、このエレベーター設備を操作する方法、およびエレベーター設備を最新化する方法 |
| WO2006035257A1 (en) * | 2004-09-29 | 2006-04-06 | Otis Elevator Company | Counterweight for an elevator with a traction plane offset relative to the vertical mid-plane, and with a balanced guiding system, and elevator equipped therewith |
| WO2006082460A1 (en) | 2005-02-03 | 2006-08-10 | Otis Elevator Company | A fall prevention device aimed at preventing an elevator counterweight to fall if its suspension elements break and elevator counterweight equipped therewith |
| CN100567124C (zh) | 2005-06-24 | 2009-12-09 | 西子奥的斯电梯有限公司 | 电梯合成对重块及其制作方法 |
| JPWO2007129385A1 (ja) * | 2006-05-01 | 2009-09-17 | 三菱電機株式会社 | エレベータ装置 |
-
2009
- 2009-12-18 WO PCT/EP2009/067473 patent/WO2010072657A1/de not_active Ceased
- 2009-12-18 EP EP09795762.5A patent/EP2370338B1/de not_active Not-in-force
- 2009-12-18 CN CN200980152747.6A patent/CN102264626B/zh active Active
- 2009-12-18 US US13/142,348 patent/US8668054B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2010072657A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US8668054B2 (en) | 2014-03-11 |
| WO2010072657A1 (de) | 2010-07-01 |
| CN102264626A (zh) | 2011-11-30 |
| CN102264626B (zh) | 2014-02-19 |
| EP2370338B1 (de) | 2013-06-12 |
| US20110266095A1 (en) | 2011-11-03 |
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