EP2214999A2 - Installation elevatrice d'une cabine - Google Patents
Installation elevatrice d'une cabineInfo
- Publication number
- EP2214999A2 EP2214999A2 EP08871978A EP08871978A EP2214999A2 EP 2214999 A2 EP2214999 A2 EP 2214999A2 EP 08871978 A EP08871978 A EP 08871978A EP 08871978 A EP08871978 A EP 08871978A EP 2214999 A2 EP2214999 A2 EP 2214999A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- drive
- cabin
- installation according
- pulley
- cables
- 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
- 230000008878 coupling Effects 0.000 claims abstract description 26
- 238000010168 coupling process Methods 0.000 claims abstract description 26
- 238000005859 coupling reaction Methods 0.000 claims abstract description 26
- 230000001360 synchronised effect Effects 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 36
- 238000005096 rolling process Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 10
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000004913 activation Effects 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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
-
- 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 a lifting installation of a cabin for the transport of passengers, comprising: a support structure extending vertically from the ground, - a passenger transport cabin, movable vertically along the structure, a counterweight moving in opposite direction to the cab being connected to the cab by connecting means, means for moving the cab relative to the support structure.
- Such installations are known in the field of lifts.
- an elevator car travels in a vertical elevator shaft being driven by a motor and traction cables.
- a counterweight also pulled by the traction cables is sometimes provided to balance the load formed by the cab.
- the cabin is mounted on a chassis mounted in guide means of the elevator shaft.
- braking means of the car are also provided.
- the safety legislation relating to lifts requires a stopping of the car for excessive speed both in the direction of the ascent and in the direction of descent.
- the object of the invention is to provide a cabin lift installation which eliminates the requirement of braking means on board the cabin and which, in parallel, allows the return of the cabin regardless of the cabin. malfunction of the installation.
- the installation according to the invention is remarkable in that the support structure is constituted by a hollow vertical mast on which is mounted a central annular carriage of the cabin, sliding along the structure in the vertical direction by guiding means provided on the outer face of the mast cooperating with the rolling means of the carriage, in that the moving means comprise two drive cables traveling by engagement in a respective drive pulley and each being arranged in a closed loop having a vertical strand, the two vertical strands being attached to two diametrically opposite attachment regions of the carriage, and in that the drive pulleys are rotated by a drive device disposed on the ground and comprising: two main electric motors, each being connected to a driving pulley by respective first transmission means comprising a speed reducer, a system differential system ensuring synchronous scrolling of the drive cables during simultaneous operation of the two main engines, a mechanical coupling system disengageable to couple the high speed shafts of the two gear units, and impose a synchronous rotation of the drive pulleys in the engaged position of the drive system.
- the connecting means are constituted by two layers of carrying cables, each connecting the counterweight housed in the mast to two diametrically opposite attachment zones of the carriage, each sheet passing through a deflection pulley housed in the upper part of the mast.
- each sheet is constituted by a closed loop segment formed by a drive cable.
- each web is distinct and independent of the closed loops formed by the drive cables.
- the doubling of the linkage kinematics between the counterweight and the cab (doubling obtained by the simultaneous use of two deflection pulleys and two layers of carrying cables) makes it possible to create an advantageous redundancy in terms of safety, allowing that the cabin can return to the ground even in case of rupture of one of the plies of carrying cables or one of the deflection pulleys.
- the mass of the counterweight is substantially equal to the sum of the mass of the empty car and half of the maximum onboard weight corresponding to the overload threshold of the car.
- each driving pulley is mechanically connected to a respective back-up motor by second transmission means, at least one of said backup engines being activated in the event of simultaneous failure of both main engines, each emergency engine is of the electric type, each emergency engine is of the hydraulic type, connected to a pressurized oil supply, each drive cable is engaged in a tension pulley of a control mechanism of the voltage of said drive cable, the mechanism for adjusting the tension of a drive cable is disposed on the ground in a position opposite to the corresponding drive pulley relative to the mast, and comprises a base movable by actuation of at least one hydraulic cylinder, and on which is rotatably mounted the tension pulley, each driving pulley comprises two grooves axially offset and each receiving the drive cable associated with said drive pulley, by engagement of said drive cable in a return auxiliary pulley associated with said drive pulley - the differential system is of the electric type acting on the control of the main engines, the coupling system is constituted by
- FIG. 1 represents a first example of an elevating installation according to the invention, seen from above
- FIG. 2 is a front view of the part 1 of the installation of FIG. 1, without the booth
- FIG. 3 illustrates, from the front, the zone of the lower part where the driver is implanted
- FIGS. 4 and 5 are perspective views of the part of the installation of the preceding figures, respectively without and with the car
- FIG. 6 illustrates the central annular carriage of the car, mounted on the support structure
- FIG. 7 is a view from above of the carriage of FIG.
- FIG. 8 is a schematic view of the installation, without the carriage and the support structure
- FIGS. 9 to 11 illustrate the drive device with a view respectively from above, from the front, and from the left.
- FIG. second example of elevating installation according to the invention in front view.
- FIGS 1 to 11 illustrate a first example of a lifting installation of a cabin C ensuring the transport of passengers, according to the invention.
- the lifting installation mainly comprises a support structure extending vertically from the ground 10, constituted by a vertical hollow mast 11 having a vertical axis of revolution X.
- the cabin cabin C has the shape of a torus whose section is for example ovoid.
- cabin C has a trolley central ring 12.
- the annular carriage 12 is mounted on the mast 11 in a sliding connection along the support structure, in a vertical direction coinciding with the axis X.
- the carriage 12 is fixed to the cockpit of the cabin by any fastening means (not shown), so that the entire cabin C, cockpit and carriage 12, is vertically movable along the structure.
- guide means are provided on the outer surface of the mast 11.
- These guide means comprise four rectilinear runways 13 arranged, each along a respective generating line. of the outer surface of the mast 11. More specifically, the four generating lines are angularly distributed around the axis X, so that two adjacent generatrices lines form between them a right angle.
- Each of the rolling tracks 13 is attached to the outer face of the mast 11 by any suitable means, and has a section in the form of a rectangle.
- the carriage 12 consists mainly of a ring-shaped frame whose inner edge is provided with four axial arms 14 angularly distributed around the axis of revolution of the crown.
- the term "axial" means that when the carriage 12 is attached to the mast 11, the axial arms 14 are parallel to the X axis and facing the outer surface of the mast 11 with the interposition of a gap.
- Each axial arm 14, which has the general shape of an elongated beam, has at each of its ends a rolling roller facing the center of the carriage 12. The pair of rollers carried by each axial arm 14 cooperates with a running track 13 respectively, by rolling on the latter.
- rotational locking means are provided on the outer face of the mast 11. These locking means are part integral of the guide means of the carriage, and are constituted by a pair of rectilinear brackets reported vertically on the outer face of the mast 11 on either side of one of the rolling tracks 13.
- a counterweight 15, housed in the mast 11, can move freely inside the latter in the vertical direction.
- the counterweight 15 is connected to the cabin C, more precisely to the carriage 12, by means of connecting means constituted by two plies 16a, 16b of four carrying ropes.
- Each ply 16a, 16b connects the counterweight 15 to a respective attachment zone provided on the carriage 12, for example at an axial arm 14, passing through a respective deflection pulley 17a, 17b housed in the upper part of the mast 11.
- Each deflection pulley 17a, 17b has a number of grooves (offset axially between them) sufficient to allow the engagement of the four cables carrying the associated web 16a, 16b.
- the two axial arms 14 to which are attached the two plies 16a, 16b are diametrically opposite with respect to the axis X, so that the two attachment zones are diametrically opposed.
- Such a configuration allows the counterweight 15 to move in the opposite direction to the cabin C when the latter is set in motion, so as to create a balance limiting the forces to provide for the displacement of the cabin C.
- the deflection pulleys 17a, 17b rotate in the opposite direction.
- the mass of the counterweight is substantially equal to the sum of the empty cabin C (without onboard passengers) and half of the maximum onboard weight corresponding to the overload threshold of the cabin C.
- the installation further comprises means for moving the cab C relative to the support structure, completely separated from the linkage kinematics between the counterweight 15 and the cab C.
- the displacement means comprise two drive cables 18c, 18d each arranged in an endless closed loop.
- the elements associated with the drive cable 18c include references followed by the index "c" and the elements associated with the drive cable 18d comprise the references followed by the index "d”.
- Each drive cable 18c, 18d is engaged in a respective drive pulley 19c, 19d.
- the drive pulleys are arranged on the ground, in a position offset from the base of the mast 11.
- the drive pulleys 19c, 19d are horizontal and vertical axis of rotation. By engagement in a driving pulley 19c, 19d respectively itself rotated as described below, each drive cable 18c, 18d is driven in a scrolling motion.
- each web 16a, 16b is distinct and independent of the closed loops formed by the drive cables 18c, 18d.
- each drive cable 18c, 18d is successively engaged: in a first groove of the corresponding drive pulley 19c, 19d, then in a first return pulley 20c, 20d respective of horizontal axis, arranged in the lower part of the mast 11, outside the latter, the side of the driving pulley 19c, 19d, then in a second pulley 21c, 21 d respectively, of horizontal axis, arranged in the upper part of the mast 11, then in a third deflection pulley 22c, 22d respectively of horizontal axis, arranged in the lower part of the mast 11, outside the latter, symmetrically to the first deflection pulley 20c, 20d relative to the base of the mast 11, and then in a tension pulley 23c, 23d of a mechanism for adjusting the tension of said drive cable 18c, 18d, the adjustment mechanism being disposed on the ground in a position opposite to the driving pulley 18c, 18d.
- the loop formed by the drive cable 18c has a vertical strand 25c stretched between the first deflection pulley 20c and the second deflection pulley 21c.
- the loop formed by the drive cable 18d has a vertical strand 25d stretched between the second pulley 21 d and the third pulley 22d.
- Each vertical strand 25c, 25d is fixed to a respective attachment zone provided on the carriage 12, for example at an axial arm 14.
- the two axial arms 14 to which are hung the two vertical strands 25c, 25d are diametrically opposed relative to the axis X, so that the two attachment zones of the vertical strands 25c, 25d are diametrically opposed.
- the two axial arms 14 to which are hung the two vertical strands 25c, 25d are distinct from the two axial arms 14 to which are hung the two sheets 16a, 16b.
- the line passing through the attachment zones of the vertical strands 25c, 25d of the loops formed by the drive cables 18c, 18d is perpendicular to the line passing through the attachment zones of the cable plies 16a, 16b.
- the free ends (before shaping) of the drive cable 18c, 18d can be interconnected by a splice.
- the attachment of the carriage 12 to the drive cable 18c, 18d can be performed by mordache ensuring the displacement of the carriage 12, and thus of the cabin C, by adhesion.
- Another possibility for forming a given drive cable 18c, 18d in a closed loop is to fix a base at each free end (before shaping) of the drive cable 18c, 18d.
- the two caps equipping said cable 18c, 18d are fixed on a complementary piece integral with the corresponding axial arm 14 of the carriage 12.
- the drive pulleys 19c, 19d are rotated by a drive device disposed on the ground 10 and shown in Figures 9 to 11.
- the drive device comprises two identical and symmetrical kinematic chains.
- the axis 26c, 26d of the driving pulley 19c, 19d is constituted by the low speed shaft of a speed reducer 27c, 27d respective whose high speed shaft 28c, 28d is constituted by the output shaft of a main electric motor 29c, 29d.
- the drive device therefore comprises two main electric motors 29c, 29d, each being connected to a respective driving pulley 19c, 19d by respective first transmission means.
- the first transmission means comprise the high speed shaft 28c, 28d of the gear 27c, 27d, the gear 27c, 27d itself, and the axis 26c, 26d.
- each main electric motor 29c, 29d is DC type.
- each drive pulley 19c, 19d is mechanically connected to a respective emergency engine 30c, 30d.
- the axis 26c, 26d carries an upper pulley 31c, 31d connected by a belt transmission to the output shaft of the emergency engine 30c, 30d.
- the upper pulley 31c, 31d, the axis 26c, 26d and the belt transmission constitute second transmission means.
- each backup motor 30c, 30d is of electrical type, preferably asynchronous, can be powered by a generator.
- each emergency engine 30c, 30d is of hydraulic type, connected to a supply of oil under pressure.
- Each driving pulley 19c, 19d is clamped by a brake caliper 32c, 32d, but the brakes can, of course, be of a different type and cooperate with other parts of the first transmission means.
- the drive device further comprises a differential system (not shown) providing synchronous scrolling of the drive cables 18c, 18d during the simultaneous operation of the two main motors 29c, 29d.
- the differential system is of the electric type acting on the control of the main motors 29c, 29d.
- Such an electrical differential system is intended to provide control of the motors 29c, 29d to achieve servocontrol of each of the rotational speeds of the drive pulleys 19c, 19d.
- the main motors 29c, 29d are of the DC type
- the electrical differential system is intended to ensure a permanent balance of the power supplied to the drive cables 18c, 18d. It is nevertheless clear that the differential system can be achieved by any suitable mechanical means.
- the driving pulley device 19c, 19d is provided with a disengageable mechanical coupling system for coupling the high speed shafts 28c 28d of the two gear units 29c, 29d.
- the coupling system In the disengaged position, the coupling system has no influence on the rotational speeds of the drive pulleys 19c, 19d in order to leave the system differential play its role.
- the coupling system On the other hand in the engaged position, the coupling system imposes a synchronous rotation of the drive pulleys 19c, 19d.
- the engaged position is activated in case of failure of one of the main engines 29c, 29d.
- the disengageable coupling system is constituted by a mechanical differential 33 with external locking control, interposed between two connecting gimbals 34c, 34d respectively connected to the high speed shafts 28c, 28d of the reducers 27c, 27d.
- Two of the three conventional outputs of the mechanical differential being formed by the connecting gimbals 34c, 34d, the third output is equipped with a disk placed outside the differential housing 33 and enclosed by a brake caliper 35 with external control of braking.
- the external brake control of the brake caliper 35 corresponds, in practice, to the external control of the mechanical differential lock 33: when the brake control is not activated, the disk equipping the third output of the differential 33 is free rotationally and the connecting gimbals 34c, 34d can rotate at different speeds (the differential 33 is in the unlocked position), while at the moment when the brake control is activated, the disc is locked in rotation and the rotational speeds connecting gimbals 34c, 34d are equal (the differential 33 is in the locked position).
- the mechanical differential 33 therefore varies between an unlocked position where the rotational speed differences of the connecting gimbals 34c, 34d are absorbed by the differential 33 and a locked position where the rotational speeds of the connecting gimbals 34c, 34d are equal.
- the external blocking control can be electric, mechanical, or hydraulic.
- the coupling system consists of a clutch interposed between the two connecting gimbals 34c, 34d, which are always respectively connected to the high speed shafts 28c, 28d of the reducers 27c, 27d.
- the clutch can be of the electric type or any other suitable type.
- each driving pulley 19c, 19d comprises two grooves axially offset.
- Each groove of a driving pulley 19c, 19d comprises two grooves axially offset.
- each adjusting mechanism of the tension of the drive cable which it is associated with a base 36c, 36d, movable by actuating at least one hydraulic cylinder 37c, 37d.
- the tension pulley 23c, 23d is rotatably mounted on the base 36c, 36d mobile.
- any other means of adjusting the tension can be used, by counterweight or any equivalent system.
- the lifting installation according to the invention operates as follows:
- the coupling system In normal operation, the coupling system is in the disengaged position and the brake calipers 32c, 32d are released.
- the main motor 29c drives the drive pulley 19c and the motor 29d the drive pulley 19d.
- the drive cables 18c, 18d pass by engagement in the drive pulleys 19c, 19d.
- the first return pulleys 20c, 20d turn in opposite directions from each other, as do the second idlers 21c, 21d between them and the third idlers 22c, 22d between them.
- the cabin C coupled to the drive cables 18c, 18d moves along the mast 11 by sliding the carriage 12 by rolling the rolling means in the guide means.
- the counterweight 15 While moving the cabin C, the counterweight 15 moves inside the mast 11 in the opposite direction to the cabin C and creates a balance limiting the efforts to be provided by the main engines 29c, 29d. During these opposite displacements of the cabin C and the counterweight 15, the deflection pulleys 17a, 17b rotate in the opposite direction.
- the differential system ensures back the reduction of the speed of the driving pulley 19c, 19d concerned to ensure, continuously, a synchronous scrolling of the drive cables 18c, 18d, and that as the two main engines 29c, 29d operate simultaneously.
- the external brake control is transmitted to the brake caliper and the mechanical differential is in locked position.
- This external brake control corresponds to the activation of the coupling system to the engaged position.
- the rotational speeds of the connecting gimbals 34c, 34d between them, and thus high speed trees 28c, 28d between them, are kept equal.
- the main motor 29c, 29d still operating alone ensures the synchronized drive of the two drive pulleys 19c, 19d to ensure the return to the ground of the cabin C.
- each main motor 29c, 29d may be composed of a normal power supply and a back-up power supply directly used in case of failure of the normal power supply. In the latter case, activation of the coupling system to the engaged position is transmitted only in the event of simultaneous failure of the normal and emergency power supply.
- At least one of the emergency motors 30c, 30d is activated, preferably both, to ensure the return from cabin C to the ground.
- the management machine provides for the activation of a single emergency engine 30c, 30d, it is clear that the activation of this emergency engine 30c, 30d must be accompanied by the activation of the position. engaged with the coupling system, to ensure the synchronous drive of the drive pulleys 19c, 19d by the single emergency engine 30c, 30d operating.
- the coupling system can remain in the disengaged position, but the activation of the coupling system to the disengaged position will be controlled at the moment when one of the emergency engines 30c, 30d will also exhibit a failure.
- main motors 29c, 29d comprise a backup power supply in addition to their normal power supply, it is possible to provide that this backup power is the same as the power supply of the emergency engines 30c, 30d if the latter are electrical type.
- This first example of installation makes it possible, contrary to the prior art, to dissociate the linkage kinematics between the counterweight and the cab and the driving kinematics of the cab: in the event of a problem on one of these two kinematics, the other remains operative. Furthermore, the doubling of the linkage kinematics between the counterweight and the cab (doubling obtained by the simultaneous use of two deflection pulleys and two layers of carrier cables) makes it possible to create a first advantageous redundancy in terms of safety, allowing the cabin to return to the ground even in case of breakage of one of the carrier cable plies or one of the deflection pulleys.
- the doubling of the drive kinematics of the cab makes it possible to create a second advantageous redundancy in terms of safety: in the event of failure of one of the main engines (failure of the engine itself or of its power supply), the coupling system is controlled to the engaged position and the main engine still operating alone ensures the synchronized drive of the two drive pulleys to guarantee the return of the cab to the ground.
- the first and second redundancies described above also make it possible to dispense with the necessity of equipping the cabin with braking means, for a gain in simplicity and in manufacturing and maintenance costs.
- FIG. 12 illustrates a second example of installation in which each sheet 16a, 16b is no longer independent and distinct from the closed loops formed by the drive cables 18c, 18d, but consists of a closed loop segment formed by a drive cable 18c, 18d.
- Each drive cable 18c, 18d forms a closed loop and has a vertical strand 25c, 25d fixed to the carriage 12.
- the two vertical strands 25c, 25d are attached to two diametrically opposite attachment regions of the carriage 12.
- the cables are respectively shown in broken lines and in solid lines.
- the closed loop formed by each drive cable 18c, 18d is subdivided into a first segment in the lower part of the installation and a second segment in the upper part.
- the first segment of a drive cable 18c, 18d is constituted by a traction cable 38c, 38d connecting the carriage 12 to the counterweight 15 through the driving pulley 19c, 19d associated with the drive cable 18c, 18d.
- the second segment of the drive cable 18c, 18d is formed by a layer of carrying cables 39c, 39d ensuring the connection between the carriage 12 and the counterweight 15 passing through a deflection pulley 40c, 40d housed in the upper part of the mast. 11.
- the connecting means consist of two layers of carrying cables 39c, 39d, each connecting the counterweight 15 housed in the mast 11 to two diametrically opposite attachment zones of the carriage 12, each sheet 39c, 39d being constituted by a closed loop segment formed by a drive cable 18c, 18d.
- the attachment point of the traction cable 38c, 38d (first segment) to the counterweight 15 is diametrically opposed to the attachment point of the ply 39c, 39d (second segment) to the counterweight 15
- the attachment zone of the vertical run 25c, 25d to the carriage 12 is, in practice, constituted by the combination of the attachment zone of the traction cable 38c, 38d corresponding to the trolley 12 and the attachment area of the carrier cable web 39c, 39d to the carriage 12.
- the line passing through the attachment areas of the tractive cables 38c, 38d to carriage 12 is parallel to the line passing through the attachment zones of the carrier cable plies 39c, 39d to the carriage 12.
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Structural Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0708353A FR2924420B1 (fr) | 2007-11-29 | 2007-11-29 | Installation elevatrice d'une cabine |
| PCT/FR2008/001550 WO2009095552A2 (fr) | 2007-11-29 | 2008-11-04 | Installation elevatrice d'une cabine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2214999A2 true EP2214999A2 (fr) | 2010-08-11 |
| EP2214999B1 EP2214999B1 (fr) | 2012-07-25 |
Family
ID=39563471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP08871978A Active EP2214999B1 (fr) | 2007-11-29 | 2008-11-04 | Installation elevatrice d'une cabine |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2214999B1 (fr) |
| FR (1) | FR2924420B1 (fr) |
| PT (1) | PT2214999E (fr) |
| WO (1) | WO2009095552A2 (fr) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB110955A (en) * | 1916-11-16 | 1917-11-15 | Ajax Engineering Company Birmi | A New or Improved Device for Apparatus for Shaping or Expanding Pneumatic or Elastic Tyres Covers. |
| JPS5227571B2 (fr) * | 1972-04-14 | 1977-07-21 | ||
| EP0195370A3 (fr) * | 1985-03-22 | 1989-03-29 | Von Roll Ag | Ascenseur de transport de personnes ou de charges avec une cabine en forme d'anneau |
-
2007
- 2007-11-29 FR FR0708353A patent/FR2924420B1/fr not_active Expired - Fee Related
-
2008
- 2008-11-04 PT PT08871978T patent/PT2214999E/pt unknown
- 2008-11-04 EP EP08871978A patent/EP2214999B1/fr active Active
- 2008-11-04 WO PCT/FR2008/001550 patent/WO2009095552A2/fr not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2009095552A3 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009095552A2 (fr) | 2009-08-06 |
| PT2214999E (pt) | 2012-10-31 |
| WO2009095552A3 (fr) | 2009-09-24 |
| FR2924420B1 (fr) | 2009-11-20 |
| EP2214999B1 (fr) | 2012-07-25 |
| FR2924420A1 (fr) | 2009-06-05 |
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