WO2006045500A1 - Elektromotor und textilmaschine mit wenigstens einem elektromotor - Google Patents
Elektromotor und textilmaschine mit wenigstens einem elektromotor Download PDFInfo
- Publication number
- WO2006045500A1 WO2006045500A1 PCT/EP2005/011217 EP2005011217W WO2006045500A1 WO 2006045500 A1 WO2006045500 A1 WO 2006045500A1 EP 2005011217 W EP2005011217 W EP 2005011217W WO 2006045500 A1 WO2006045500 A1 WO 2006045500A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- electric motor
- coil
- textile machine
- rotor
- housing
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
- D01H1/14—Details
- D01H1/20—Driving or stopping arrangements
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
- D01H1/14—Details
- D01H1/20—Driving or stopping arrangements
- D01H1/22—Driving or stopping arrangements for rollers of drafting machines; Roller speed control
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
- D01H1/14—Details
- D01H1/20—Driving or stopping arrangements
- D01H1/24—Driving or stopping arrangements for twisting or spinning arrangements, e.g. spindles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/24—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
Definitions
- the invention relates to a textile machine with at least one electric motor.
- the electric motors have a high energy density, good efficiencies, and long service life, yet still cost as little as possible.
- auxiliary devices within almost every company, whether a sole proprietorship or a large corporation, a reduction in the variants of auxiliary devices, as they represent electric motors, sought.
- ring spinning and roving machine manufacturers and their customers that both the ring spinning machine and the roving machine can be driven by electric motors that are as identical as possible.
- the same requirements apply to rotor spinning and cheesemachine machine manufacturers, to carding machine and comber manufacturers.
- the customers of these textile machine manufacturers e.g.
- the electric motor has the following features:
- a rotatably mounted in a housing rotor with led out of the housing rotor shaft, a plurality of spaced from the rotor Rotary axis fixed at regular angular intervals in the housing arranged electromagnet components each having a coil winding of one or more conductors supporting coil core and arranged at regular angular intervals, each with a pole face to the faces of the coil cores facing aligned, rotatably held in or on the rotor permanent magnets with permanent magnets Circumferential direction of each opposite polarity, wherein the coil cores of the electromagnetic components are arranged parallel to the axis of rotation of the rotor shaft in the housing interior, that their opposite faces each lie in two spaced-apart, perpendicular to the rotor shaft axis of rotation extending planes and the ends of the coil winding forming electrical Head of the individual electromagnet components via an electrical or electronic control device render at least two electrical connection pairs are dead.
- Tangential belt, in Fig. 8 is a plan view of a deflection of the tangential, in
- Fig. 9 shows the cross section through the spindle bank with a device for
- FIG. 11 is a view in the machine longitudinal direction of a wing bank and a
- Fig. 16 shows a further embodiment with height offset
- FIG. 17 is a schematic representation of a height-adjustable
- FIG. 19 Side view, in Fig. 19 is a schematic representation of the adjustment to a
- FIG. 22 shows a schematic side view of a transport device relative to the rows of bobbins
- Fig. 23 is a schematic side view of a switch and in
- Fig. 24 is a plan view of the embodiment of Fig. 23;
- FIGS. 25 to 30 show details and embodiments of the electric motors for the textile machines and textile machine components or devices on and / or between textile machines shown above, specifically in FIG. 25 a longitudinal section through a first embodiment of an electric motor with a shaft through the axis of rotation of the rotor shaft
- FIG. 27 is a sectional view of the electric motor of FIG. 25, as seen in FIG.
- Fig. 28 is a sectional view through the rotor of the electric motor shown in Figs. 25 to 27 in the Fig. 27 corresponding
- Fig. 29 is a sectional view through the rotor, seen in the direction of the arrows
- Fig. 30 is a schematic diagram of an insertable in the electric motor previously shown electromagnet component in a
- the ring spinning machine according to FIGS. 1 to 4 has draw frames 1 and 2 on both sides, of which only the three bottom rollers 3, 4 and 5 or 3 ' , 4 ' and 5 ' are shown here - top rollers and loading arms etc. are omitted.
- the rollers have a length substantially greater than that shown, which is indicated by the line of interruption.
- the output rollers 5 and 5 ' are in all embodiments via a common gear 6 of an electric motor 7 at one end synchronously and driven in opposite directions.
- the middle lower rollers 4 and 4 ' are driven by separate electric motors. You have to tow the Unterriemchen 8, of which only two at each end of the rollers are shown here.
- the Unterriemchen 8 are sliding at least on reversing rails, not shown, and optionally further
- the electric motors 10 of a machine are preferably of the same type. Since their speed is regulated, it is generally not necessary to use synchronous motors, asynchronous motors are sufficient.
- the input rollers 3, 3 ' are driven by the center rollers 4, 4 ' .
- 9 gear belt 9 ' are guided by the gearboxes to a transmission 11, via which the gear 9 of the center rollers 4, 4 ' of both sides of the ring spinning machine are positively and synchronously connected.
- the gear 11 thus ensures the synchronous running of the non-driven by a controlled electric motor center roll 4 ' . From the gear 11 and the drives of the input rollers 3 and 3 'are derived.
- the position of the rollers 3, 3 ' , 4, 4 are adjustable to match different staple lengths, however, the overshoot takes place by means of toothed belt 9 ' or by means of hinge shafts 11 ' .
- the timing belt 9 ' are not shown tension rollers assigned by the distance changes are compensated.
- the electric motors 7, 10 are fed via a respective frequency converter 12, 12 ', which is supplied via a line 13 from the network three-phase current of a specific frequency.
- the frequency converters 12, 12 ' are designed to supply supply currents, preferably also three-phase currents, different frequencies and, if appropriate, voltage, on the secondary side. Frequency and voltage of these supply currents are the frequency converters 12, 12 ' via lines 14, 14 ' abandoned by the control device of the ring spinning machine.
- Both of the output rollers 5, 5 ' driving motor 7 and one of the input rollers 3, 3 ' and the center rollers 4, 4 ' driving motors 10 ' are equipped with speed sensors 15 and 16, the outputs via lines 17 and 18 also the frequency inverters 12, 12 ' are switched.
- the supply current of the frequency converter 12 is applied via a line 19 of the output sub-rollers 5 and 5 ' driving electric motor 7.
- the supply current of the other frequency converter 12 ' feeds the other lower rollers 3, 3 ' , 4 'and 4 ' driving motors 10, 10 ' via a line network 20.
- the frequency converters 12, 12 'set via the line 14 with feed currents which frequency and voltage they have to act on the motors 7 and 10, 10 ' so that they have the intended speed to the intended default ratio between the Central rollers 4, 4 ' and the output rollers 5, 5 ' reach.
- the speed sensor 15 and 16 to the motors 7 and 10 ' via the lines 17 and 18, the frequency converters 12, 12 ', the actual speed of the motors or the peripheral speed of the rollers driven by the motors. If there is a difference between the intended and the actual speed change the frequency converter 12, 12 ', the frequency and the voltage of the supply currents in the sense of reducing the deviation, so they regulate the speed of the motors and thus the delay ratio.
- control of the motors 7 and 10 ' and the two-sided introduction of torque in the drafting rollers by the motors 10 and 10 ' and the mechanical coupling of the drafting rollers via the connecting gear 11 in particular during startup and acceleration of the ring spinning machine on the operating speed is important in which not only different moments of resistance, but also different moment of inertia can act on the drafting rollers.
- Fig. 2 differs from Fig. 1 only in that at the other end of the machine, a connecting gear 11 is provided by means of which the synchronization of the rollers, in particular at very long
- Ring spinning machines is further improved, i. the torsion of the rolls is evened by supporting too strong torsion-prone rolls of a drafting system by the roller of the opposite drafting system and taken in the rotation.
- Fig. 3 differs from that of Fig. 2 in that the center rollers 4, 4 'are divided approximately in the middle of their length. This is avoided, on the one hand, that the threaded screw connections of the lower roller sections can rotate at the corresponding torque sense of the introduced torque. On the other hand, this also has the advantage that no damage can occur if accidentally different change gears are used when replacing change wheels for changing the delay in the default drafting zone - the transmission is "open" , it is often possible to dispense with arranging drive motors 10 at the other end of the ring spinning machine, as shown in Fig. 4. Again, however, the drive motor 10 ' at a drafting 1 as a leader Motor for the drive motor 10 at the opposite drafting system 2. The motor 10 ' is accordingly also equipped here with a speed sensor 16, via which it controls its speed and that of the motor 10 guided by it.
- the electric motors 7, 10, 10 ' are described in detail in FIGS. 25 to 30. They are always labeled there with 10 or 10 ' . With these motors, efficiencies of 90% over wide speed ranges can be achieved, they are well controllable and therefore meet the increased requirements, as the previously described drafting system construction, ideally.
- the frequency-controlled, single-motor drives are denoted by 11. These drives have asynchronous or synchronous motors, which are described in more detail in FIGS. 25 to 30.
- the motors 11 are energized via a frequency converter 12 during normal spinning operation.
- the illustrated frequency converter 12 has a power rectifier 14, which is connected on the input side via a main switch 15 to an AC power supply 16.
- On the output side of the power rectifier 14 is connected to a number of inverters 13, which in turn are connected on the output side via a distribution conductor system 17 with the individual spindle drives 11.
- a capacitor 21 is also provided on the output side of the mains rectifier 14.
- the clocked control inputs of all inverters 13 of this frequency converter 12 are connected via a line 18 to a common control logic 20 and a common frequency controller 19. Via the frequency adjuster 19, the control frequency and thus output frequency of the inverter 13 can be adjusted and thus the speed of the individual spindle drives 11 can be influenced.
- the individual spindle drives 11 are also connected via a distribution line 22 to a DC unit 23.
- the DC unit 23 has a mains rectifier 24 and a transformer 25.
- the output side of the individual spindle drives, ie connected to the motors 11 power rectifier converter 24 is the input side connected to the transformer 25, which is connected via a main switch 26 to the AC power supply 26.
- the main switch 26 is electrically or mechanically coupled to the main switch 15 for the frequency converter 12 in the sense of mutual influence with or without delay.
- the coupling ensures that the alternating current supplied by the frequency converter 12 is switched off when the direct current is switched on.
- the distribution line systems 17 and 22 coupled to each other switches 27, 28, 29 are turned on, depending on the operating state of either the frequency converter 12 or the DC unit 23 to secure against recovery from the other network.
- Another possibility is to generate the required direct current for braking and to form a standstill torque via suitable pulsing of the inverter 13.
- the electric motors 11 are, as previously mentioned, described in more detail in FIGS. 25 to 30. They are always labeled there with 10 or 10 ' . With these motors, efficiencies of 90% can be achieved over wide speed ranges, they are easy to control and therefore meet the requirements of the individual spindle drive described above in an ideal way.
- the ring spinning machine 1 described in FIGS. 7 to 10 has an initial frame 2 and a terminal frame 3. In between there are two rows 4 and 5 of spindles, which are indicated in Fig. 7 only by dashed lines.
- spindles are driven by means of a tangential belt 6, which is guided around Eck- deflection rollers 7 and to - in relation to the number of each driven spindles - driven at equal intervals along its length drive points 8 is driven.
- an electric motor 9 sits at these drive points 8.
- the electric motors 9 are described in more detail in FIGS. 20 to 23. They are always labeled there with 10 or 10 ' . With these motors, efficiencies of 90% can be achieved over wide speed ranges and they are well controllable.
- the tangential belt 6 is held by means of leaf springs 14 arranged pressure rollers 15 in contact with the whorl of the spindles 13.
- the diameter of the pulleys 11, 12 must be seen to be dimensioned such that the runs of the tangential belt 6 that are guided by them do not touch, that the tangential belt is held in contact with the land of the pulleys of adjacent spindles and that the pulleys do not contact the host of these spindles issue.
- the deflection rollers tangent with their peripheral surface leading to the tangential belt 6 - a tangent 16 to the whorl of the spindles 132 adjacent to the deflection rollers 11, 12, namely on the side opposite the spindles; a parallel 17 to the mid-perpendicular 18 on the straight line between the points of contact of the tangent 16 with the host of the spindles 13 having a distance of a / 2 from this bisector 18 and a circular arc 19 about the longitudinal axis of a diverting pulley 11; 12 adjacent spindle 13 with the radius (W + a), where W is the diameter of the host of a spindle 13 and a is a distance on the one hand to be as low as possible, but not less than about 5 mm.
- the deflection rollers 11, 12 are held by means of the axes 20 which support them, each in a carriage 21 which is displaceable transversely to the row of spindles in a groove 22 of the spindle rail 23.
- the carriage 21 On the underside, the carriage 21 has a recess 24 into which a pin 25 fixed in the spindle rail 23 protrudes, which has a threaded bore in the region projecting into the recess 24. Through this threaded hole, an adjusting screw 26, whose head is supported on the end face of the carriage 21 extends.
- the carriage 21 can by means of two extending through slots in the carriage 21, screwed into threaded holes in the spindle rail 23
- Clamping screws 27 are clamped on the spindle rail 27.
- To adjust the carriage 21 can be pressed by loosening the two clamping screws 27 by means of the adjusting screw 26 against the tensile force of the tangential belt 6 in the illustration of FIGS. 9 and 10 to the left.
- the contact force of the tangential belt 6 to the whorl of the pulleys 11 and 12 immediately adjacent spindles 13 can be adjusted so that these spindles on the one hand safely entrained by the tangential 6, on the other hand can be braked reliably by means of the spindle brake, not shown here.
- the flyer partially shown in Fig. 11 includes a wing bank 10, in which in two staggered rows 11, 12 so-called wings 13 are stored. Furthermore, the flyer contains a reel bank 14 in which spindles 15 are mounted in likewise two rows 11, 12 in a corresponding arrangement.
- the bobbin rail 14 is mounted on a holder 16 which is up and down on vertical columns 17 by means of a drive not shown here.
- the bobbin rail 14 is connected to the holder 16 via a pivot axis 18 extending in the machine longitudinal direction.
- a plurality of hydraulic or pneumatic cylinders 19 are arranged, through the actuation of which the bobbin rail 14 can be pivoted from the operating position shown in FIG.
- the spooling spindles 15 rotatably arranged with their sleeves coils 20 are easily accessible for a Doff operation.
- the drawn roving coming from a drafting unit, not shown, runs axially into the heads of the wings 13 and is then guided in one of the wing arms to a pressure finger 21, from which it is then transferred to the coils 20.
- the drive for the wings is designed as a so-called group drive, which includes a plurality of electric drive motors 22, which is respectively designed to drive a group of wings 13, wherein the drive motors 22 are formed equal to each other and to drive a respective same number of wings 13 is designed.
- the drive motors 22 are described in more detail in FIGS. 20 to 23. They are always labeled there with 10 or 10 ' . With these motors, efficiencies of 90% can be achieved over wide speed ranges and they are well controllable. They are attached to the outside of the wing bank 10. They are provided on their motor shaft (denoted by the reference numeral 24 in FIGS.
- each seventh blade 13 of the one row, namely the row 12, is driven via such a toothed belt drive.
- a drive motor 22 wings the drives of the remaining wings 13 are derived, which are each combined into groups.
- the directly driven vane 13 is non-rotatably connected to a further toothed belt pulley 28 which drives further toothed belt pulleys 29 via a toothed belt 28 wound around it and which is non-rotatable with the vanes 13 of the opposite row 11 are connected.
- a further toothed belt pulley 28 which drives further toothed belt pulleys 29 via a toothed belt 28 wound around it and which is non-rotatable with the vanes 13 of the opposite row 11 are connected.
- via toothed belt drives in each case the next wing of the same row 11 and the opposite row 12 are driven.
- the drive motors 32 directly drive a spool spindle 15 of the row 12 via a belt drive.
- each of the electric motors 32 on its motor shaft (which is designated by 24 in FIGS. 25 to 28) is rotationally fixed with toothed belt pulleys 33 provided, which drive via a toothed belt 34 a pulley 35 which is rotatably connected to a bobbin spindle 15.
- a further toothed belt pulley 37 is rotatably mounted, the two spool spindles 15 of the opposite row 11 drives with a toothed belt 38, since the toothed belt 38 is wound on correspondingly rotatably mounted on these spool spindles 15 timing belt pulleys 39.
- the guide elements 7 and 9 serve for the advance of the sliver 2 of the supply spool 1 ' ; the guide elements 8 and 10 are used for the flow of Lunten 2 ' and 2 " to the corresponding Lunten adjustmentstrichtern 12.
- This arrangement is characterized by small footprint.
- two rows of coils 4 ' and 5 ' are arranged in a horizontal plane, whereas the third row of coils 3 'is located in another horizontal plane below.
- guide elements 7, 8, 9, 10 are provided in order to guide the corresponding nozzles 2, 2 ' and 2 " to the respective sliver guide funnel 12 so that the individual rows of coils 3', 4 ' , 5 ' are extended and retracted without mutual interference, this arrangement is characterized by a particular small footprint in the width, but requires rails 21 in a different height than those of the coil rows 4 ' and 5 ' .
- Coil rows used instead, it is also possible, according to FIGS. 20 and 21, to provide four rows of coils 30, 31, 32, 33. According to Fig. 20, these rows of coils are in a horizontal plane, again guide elements 7 and 8 or 9 and 10 are provided. As can be seen, takes place in this case, the empty running of the expiring coil rows 30 to 33 out of phase; in the position shown in Fig. 20, the coil row 31 has almost expired.
- the transport system shown is driven by electric motors.
- the drive motors are described in detail in FIGS. 25 to 30. They are always labeled there with 10 or 10 '. With these motors, efficiencies of 90% can be achieved over wide speed ranges and they are well controllable.
- Fig. 25 an embodiment of an electric motor according to the invention is shown, which is designated in its entirety by 10.
- the carriers 26a, 26b are respectively arranged on the outer end faces of a hub body 36 (FIGS. 27 to 29) from which radial walls 38 protrude into the space between the carriers 26a, 26b, the radial extent of which is selected to be that of Housing peripheral wall 16 radially inwardly vor impartde electromagnet components 28 can still occur radially in the space between the carriers 26a, 26b, without abutting the radially outer ends of the hub body 36 voradd radial walls 38.
- the invention is intended to include the use of the electrical machine described in FIGS. 25 to 30 as an electric motor and / or generator in all textile machines.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Power Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05796186A EP1807560A1 (de) | 2004-10-26 | 2005-10-19 | Elektromotor und textilmaschine mit wenigstens einem elektromotor |
JP2007537193A JP2008518572A (ja) | 2004-10-26 | 2005-10-19 | 電気モーター及び少なくとも一つの電気モーターを備えた繊維機械 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200410052113 DE102004052113A1 (de) | 2004-10-26 | 2004-10-26 | Textilmaschine mit wenigstens einem Elektromotor |
DE102004052113.1 | 2004-10-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006045500A1 true WO2006045500A1 (de) | 2006-05-04 |
Family
ID=35528060
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/011217 WO2006045500A1 (de) | 2004-10-26 | 2005-10-19 | Elektromotor und textilmaschine mit wenigstens einem elektromotor |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1807560A1 (de) |
JP (1) | JP2008518572A (de) |
CN (1) | CN101048540A (de) |
DE (1) | DE102004052113A1 (de) |
WO (1) | WO2006045500A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006037074A1 (de) * | 2006-08-07 | 2008-02-21 | Oerlikon Textile Gmbh & Co. Kg | Gemeinsame Speisung mehrerer Synchronmotoren durch nur einen Frequenzumrichter |
DE102007013897A1 (de) * | 2007-03-20 | 2008-09-25 | Oerlikon Textile Gmbh & Co. Kg | Antriebsvorrichtung für die Spindeln einer Ringspinnmaschine |
KR101092334B1 (ko) * | 2009-09-21 | 2011-12-15 | 우경식 | 영구자석 바이패스 디스크 모터. |
CN102321936B (zh) * | 2011-09-07 | 2013-06-05 | 浙江凯成纺织机械有限公司 | 一种制线倍捻机 |
CN103160998B (zh) * | 2013-03-25 | 2014-01-29 | 泰州展望新动能科技有限公司 | 无接触电磁直接驱动的圆织机 |
DE102016202871B3 (de) | 2016-02-24 | 2017-06-29 | Robert Bosch Gmbh | Drehwinkelsensor |
IT201900003983A1 (it) * | 2019-03-19 | 2020-09-19 | Marzoli Machines Textile Srl | Filatoio a cintino |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5022123A (en) * | 1988-09-29 | 1991-06-11 | Murata Kikai Kabushiki Kaisha | Draft mechanism having roller pairs connected to draft ratio controlled motors by timing belts |
US5892307A (en) * | 1995-03-07 | 1999-04-06 | Pavlovich; Lisseikine Viatcheslav | Brushless DC motor |
WO2000048294A1 (de) * | 1999-02-12 | 2000-08-17 | Helmut Schiller | Elektrische maschine |
-
2004
- 2004-10-26 DE DE200410052113 patent/DE102004052113A1/de not_active Withdrawn
-
2005
- 2005-10-19 WO PCT/EP2005/011217 patent/WO2006045500A1/de active Application Filing
- 2005-10-19 CN CNA2005800369354A patent/CN101048540A/zh active Pending
- 2005-10-19 EP EP05796186A patent/EP1807560A1/de active Pending
- 2005-10-19 JP JP2007537193A patent/JP2008518572A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5022123A (en) * | 1988-09-29 | 1991-06-11 | Murata Kikai Kabushiki Kaisha | Draft mechanism having roller pairs connected to draft ratio controlled motors by timing belts |
US5892307A (en) * | 1995-03-07 | 1999-04-06 | Pavlovich; Lisseikine Viatcheslav | Brushless DC motor |
WO2000048294A1 (de) * | 1999-02-12 | 2000-08-17 | Helmut Schiller | Elektrische maschine |
Also Published As
Publication number | Publication date |
---|---|
JP2008518572A (ja) | 2008-05-29 |
EP1807560A1 (de) | 2007-07-18 |
CN101048540A (zh) | 2007-10-03 |
DE102004052113A1 (de) | 2006-04-27 |
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