EP1334493A1 - Aktuator für ein fluid-ventil - Google Patents
Aktuator für ein fluid-ventilInfo
- Publication number
- EP1334493A1 EP1334493A1 EP01996867A EP01996867A EP1334493A1 EP 1334493 A1 EP1334493 A1 EP 1334493A1 EP 01996867 A EP01996867 A EP 01996867A EP 01996867 A EP01996867 A EP 01996867A EP 1334493 A1 EP1334493 A1 EP 1334493A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- actuator according
- coil
- housing
- pole
- magnet
- 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
- 239000012530 fluid Substances 0.000 title claims abstract description 20
- 230000001050 lubricating effect Effects 0.000 claims abstract description 5
- 210000000078 claw Anatomy 0.000 claims description 25
- 239000004020 conductor Substances 0.000 claims description 18
- 230000004907 flux Effects 0.000 claims description 12
- 238000005516 engineering process Methods 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 239000012811 non-conductive material Substances 0.000 claims description 6
- 230000009191 jumping Effects 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 239000000969 carrier Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000006698 induction Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- ANVAOWXLWRTKGA-NTXLUARGSA-N (6'R)-beta,epsilon-carotene Chemical compound CC=1CCCC(C)(C)C=1\C=C\C(\C)=C\C=C\C(\C)=C\C=C\C=C(/C)\C=C\C=C(/C)\C=C\[C@H]1C(C)=CCCC1(C)C ANVAOWXLWRTKGA-NTXLUARGSA-N 0.000 description 1
- 101001122730 Paramecium tetraurelia Serine/threonine-protein phosphatase PP2A catalytic subunit 1 Proteins 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/066—Electromagnets with movable winding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8158—With indicator, register, recorder, alarm or inspection means
- Y10T137/8225—Position or extent of motion indicator
- Y10T137/8242—Electrical
Definitions
- the invention relates to an actuator for actuating a valve, with a housing jacket made of magnetically conductive material, a coil carrier having an actuation projection and movable in the housing jacket with the formation of an air gap therefor, with at least one coil through which current flows and on one of which is wound Coil carrier with the formation of an air gap enclosed magnetic cylinder with an axially arranged inside a sequence of permanent magnet and a magnet disc made of a magnetically conductive material, the axial width of the coil being greater than the axial length of the pole disc associated with the coil.
- the known actuator consists of a housing which is closed on one side and consists entirely of a magnetically conductive material, in which the coil carrier, which can be moved out of the housing with an actuating projection, can be moved.
- the known actuator is characterized in that the pole disks are narrow compared to the adjacent permanent magnets and the wound on the coil carrier Coils have a much larger width than the assigned narrow pole disks.
- the basic idea of the invention provides that the size dimensions of the permanent magnet and pole disk are matched to one another such that the end cross-sectional area of the permanent magnet corresponds at least to the circumferential surface of an adjacent pole disk and that the width of the coil assigned to the pole disk corresponds to the width of the pole disk by the stroke amplitude of the Coil carrier overlaps, and that the actuator for actuating a valve set up in fluid technology is set up in such a way that the coil carrier is movable in a fluidic medium and the air gap between the coil carrier and a magnetic cylinder tube surrounding the permanent magnet and the associated pole disk is dimensioned to a maximum that a laminar film of lubricant forms between the parts without displacing the surrounding fluid.
- the invention is associated with the advantage that the stray flux which does not contribute to the force exerted on the coil carrier is initially kept low by virtue of the fact that the entire magnetic flux in the region of the pole disk radially on the geometrically shortest path through the Air gap is guided between the magnetic cylinder tube and the housing or housing jacket, so that all coil conductors are acted upon by the maximum air gap induction. So that this is ensured during the entire axial movement of the coil carrier relative to the fixed magnetic cylinder tube, it is provided according to the invention that the width of the coil assigned to the pole disk overlaps the width of the pole disk by the stroke amplitude of the coil carrier. Insofar as this limits the expansion of the coils to the necessary extent, an arrangement of coils with the smallest possible self-inductance and a low winding weight advantageously results.
- the invention provides for the smallest possible air gap to be set by the air gap existing between the coil carrier movable in the fluidic medium and the magnetic cylinder tube being maximally so It is broad that there is a laminar lubricating film between the parts without displacing the surrounding fluid.
- the aspect of the use of the actuator in fluid technology is taken into account in a special way, because a kind of sliding bearing of the coil carrier on the magnetic cylinder tube occurs with the least possible frictional losses, the displacement of the fluid surrounding the coil carrier caused by the axial movement of the coil carrier in the fluid on the outside of the bobbin.
- the hydraulic fluid present ensures the formation of the tr o> 13 n N ⁇ - 1 oi co n cn 01 r H pi 01 01 cn cn ⁇ ! N cn Q. cn
- a plurality of magnet modules are arranged axially one behind the other within the housing shell, axially identical poles of the permanent magnet of each magnet module being opposite one another. It can be provided here that the outer pole disks of each magnet module are joined to form a one-piece connecting pole disk.
- the edge magnet of the magnetic cylinder tube formed by the outer pole disks of the magnetic module or the magnetic modules has an edge magnet which is matched in its strength to the compensation of the magnetic leakage flux occurring at the ends of the magnetic cylinder tube and with which magnetic Is conductive material existing housing shell is connected so that the magnetic flux emanating from the edge magnet closes via the housing connected to the edge magnet.
- the edge magnet Since the edge magnet only has to compensate for the leakage losses in the area of the associated pole disk, it need not have the same axial dimension as the main magnet or the main magnets arranged in the magnet carrier.
- This type of fixing of the magnetic cylinder or the magnetic cylinder tube in the housing also makes it possible, according to one embodiment of the invention, to form the housing shell open on both sides with claw poles formed at its two ends, the coil carrier movable in the housing shell having a supporting star on both ends thereof protruding plunger can have.
- the claw poles are designed to match the gaps existing between the spokes of the supporting star.
- the claw poles form an anti-rotation device for the support star with a plunger, provided that when the actuator interacts with a valve used in fluid technology, when the valve starts up, torsional forces also act on the plunger and so that can be transferred to the coil carrier via the support star.
- at least one claw pole has a projection, for example hump-shaped or linear, against the associated spoke of the support star, so that surface friction is avoided and only point or line friction is permitted. Accordingly, a projection can also be formed on a spoke and rest against the claw pole.
- the construction of a magnet module or of a plurality of magnet modules can also be such that a magnet module is formed by a pole disc arranged in the center of the magnet cylinder tube and by two permanent magnets arranged on the outside, with axially identical poles of the permanent magnets opposing and on each other the coil carrier is wound with a coil assigned to the centrally arranged pole disk.
- a magnet module is formed by a pole disc arranged in the center of the magnet cylinder tube and by two permanent magnets arranged on the outside, with axially identical poles of the permanent magnets opposing and on each other the coil carrier is wound with a coil assigned to the centrally arranged pole disk.
- a plurality of alternating pole disks and permanent magnets can also be arranged between two external permanent magnets.
- a prestressed spring for acting on the plunger in its coupling position with a valve connected to the actuator is arranged between the support star of the coil carrier and the front end of the magnetic cylinder tube.
- the coil carrier including coils wound thereon
- the coil carrier consisting of electrically non-conductive material, for example made of plastic, hard tissue or ceramic
- the coils wound in the recesses of the coil carrier are overlaid by a protective layer, so that the coil carrier provided with coils each has a smooth surface.
- grooves running in the longitudinal direction of the housing shell are arranged for the passage of the fluid displaced in the housing shell when the coil carrier is moved axially; in this way, a small air gap can be realized between the coil carrier and the housing jacket despite the displacement required in the fluid surrounding it when the coil carrier is moved.
- Appropriate grooves can optionally also be provided on the outer circumference of the coil carrier.
- Fig. 1 shows an actuator with a central
- FIG. 2 shows an actuator constructed in accordance with FIG. 1 with a plurality of magnet modules
- FIG. 3 shows an actuator according to FIG. 1 with additionally arranged edge magnets in longitudinal section
- FIG. 5 shows the subject of FIG. 3 with an arrangement of several magnetic modules
- FIG. 3 shows an embodiment of the actuator according to FIG. 3 with a housing which is open on both sides and correspondingly arranged claw poles and with a central pole disk and external main magnets,
- FIG. 7 shows the subject of FIG. 6 with an arrangement of several main magnets and pole disks
- Fig. 8 is a sectional view of a coil carrier in section.
- the actuator shown in FIG. 1 in a schematic representation has a housing 10, the outer housing shell 11 of which is made of a magnetically conductive material.
- one closed end face 12 of the housing 10 consists of another, namely a magnetically non-conductive material, while the opposite end face 13 consists of magnetically conductive material and has a central recess 14.
- a cylindrical magnetic cylinder tube 15 is arranged in the interior of the housing 10 and is connected on one side to the closed end face 12 of the housing 10.
- the magnetic cylinder tube 15 consists of a magnetically non-conductive material.
- a permanent magnet 16 is arranged in its center in a central position, with a pole disk 17 on each of its two end faces.
- a spacer 18 made of a magnetically non-conductive material is additionally arranged between the pole face 17 adjacent to the closed face 12 of the housing 10 and the aforementioned face 12, which has the purpose in view of the geometric definition of the size of the permanent magnet 16 and the pole face 17 to be explained to create sufficient freedom of movement for the bobbin to be explained.
- Air gap induction are applied.
- short magnet lengths and small air gaps should be aimed for.
- the size dimensions of permanent magnet 16 and pole disks 17 are matched to one another in such a way that the end cross-sectional area of the permanent magnet corresponds at least to the circumferential surface of the respective pole disk. This is shortened if the axial magnet length and the axial length of the pole disks 17 correspond to approximately half the diameter of the permanent magnet 16. Longer pole disks are quite possible within the scope of the inventive concept.
- each of the two coils 23 must overlap the width of the associated pole disk 17 by the stroke amplitude of the coil carrier 19, so that the greatest possible force is achieved during the entire movement sequence of the coil carrier 19.
- the two coils 23 are axially spatially separated from one another by a non-conductive spacing area 30 of the coil carrier 19, but are electrically connected to one another via the winding wire. Since the two coils 23 are also wound in opposite directions, mutual inductance is avoided.
- the air gap 24 existing between the magnetic cylinder tube 15 and the coil carrier 19 is to be kept small to avoid an unusable leakage flux, the air gap 24 should be dimensioned to a maximum that a laminar lubricating film is formed between the parts 15, 19 without displacement of the coil carrier 19 or adjusts the fluid surrounding the magnetic cylinder tube.
- the permanent magnet 16 generates a radially from the inside to the outside in the entire air gap 24, 25 between the magnet cylinder tube 15 and the housing jacket 11 in the region of the coils 23 directed homogeneous magnetic field, which can close according to the direction of flow 31 via the magnetically conductive, annular housing shell 11.
- the coils 23 through which a direct current flows are deflected transversely to the magnetic field direction in a homogeneous magnetic field with a force proportional to the coil current, the magnetic air gap induction and the number of turns of the two coils 23.
- a current is supplied to the coils 23 arranged on the movable coil carrier 19 through highly flexible cables, not shown in detail. A deflection of the coil carrier 19 and thus an axial movement of the plunger 22 takes place as long as current-carrying conductors, ie the coils 23, are in the magnetic field. If the current is switched, that also reverses
- the correspondingly arranged spacer 18 now consist of a magnetically conductive material.
- radially inwardly jumping magnetically conductive holders 27 with axially attached claw poles 28 are provided to form a magnetically conductive connection to the edge magnet 26 arranged there, the claw poles 28 between the spokes 21 of the support star 20 of the coil carrier 19 grip ( Figure 4) and come into contact with the outer edge magnet 26 of the magnetic cylinder 15.
- the magnetically conductive holders 27 can also be designed, for example, as a circumferential disk connected to the housing jacket 11, from which claw poles start.
- the magnetic cylinder 15 Due to the magnetic forces that arise, the magnetic cylinder 15 is thus firmly connected to the end wall 12 of the housing 10 on the one hand and to the claw poles 28 forming part of the housing 10 on the other hand, so that there is a stable configuration which also withstands a greater force.
- the claw poles 28 are particularly suitable for forming an anti-rotation device for the support star 20 of the coil carrier 19 with a plunger 22 or also for serving as a holder for the sensor of a position measuring system.
- FIG. 5 it is also possible in an exemplary embodiment of the actuator according to the invention shown in FIGS. 3 and 4 to carry out a sequence of permanent magnets 16 and pole disks 17 in the magnetic cylinder tube 15, corresponding edge magnets 26 being provided.
- FIG. 6 A further possibility of using the advantages of the actuator shown in FIGS. 3 and 4 is shown in FIG. 6, in which the housing 10 is designed to be open on both sides with claw poles 28 arranged on both sides, so that the coil carrier 19 is correspondingly provided on both end faces via a support star 20 can be provided with plungers 22 protruding from the housing 10 on both sides; this provides actuation of connected units in both directions of movement of the coil carrier 19 in the housing 10.
- FIG. 8 shows an example of how a coil carrier 19 can be designed.
- recesses 35 are recessed into the outer surface of the coil carrier 19, in which the coils 23 are wound, in order to accommodate the coils 23.
- the recesses 35 or coils 23 are then covered or cast with a protective layer 36, so that there is a correspondingly smooth outer circumference for the coil carrier 19, which enables the setting of small air gaps 24, 25.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Electromagnets (AREA)
- Magnetically Actuated Valves (AREA)
- Valve Device For Special Equipments (AREA)
- Fluid-Driven Valves (AREA)
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10056332 | 2000-11-14 | ||
| DE10056332 | 2000-11-14 | ||
| PCT/EP2001/013200 WO2002041332A1 (de) | 2000-11-14 | 2001-11-14 | Aktuator für ein fluid-ventil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1334493A1 true EP1334493A1 (de) | 2003-08-13 |
| EP1334493B1 EP1334493B1 (de) | 2007-03-21 |
Family
ID=7663218
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01996867A Expired - Lifetime EP1334493B1 (de) | 2000-11-14 | 2001-11-14 | Aktuator für ein fluid-ventil |
| EP01996866A Withdrawn EP1334492A1 (de) | 2000-11-14 | 2001-11-14 | Mittels einer beweglichen spulenanordnung arbeitender aktuator |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01996866A Withdrawn EP1334492A1 (de) | 2000-11-14 | 2001-11-14 | Mittels einer beweglichen spulenanordnung arbeitender aktuator |
Country Status (10)
| Country | Link |
|---|---|
| US (2) | US6975195B2 (de) |
| EP (2) | EP1334493B1 (de) |
| JP (1) | JP4052384B2 (de) |
| KR (1) | KR100840842B1 (de) |
| CN (1) | CN1225751C (de) |
| AT (1) | ATE357731T1 (de) |
| AU (1) | AU2002217028A1 (de) |
| CA (1) | CA2441997C (de) |
| DE (1) | DE50112241D1 (de) |
| WO (2) | WO2002041332A1 (de) |
Families Citing this family (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1608877B1 (de) | 2003-04-03 | 2007-05-02 | Parker Hannifin GmbH | Anordnung zum Erfassen und Übertragung von Messdaten aus einem hochgespannten Fluid gefüllten Druckraum |
| WO2005098299A1 (de) | 2004-03-31 | 2005-10-20 | Parker Hannifin Gmbh & Co. Kg | Ventilanordnung mit einem gekapselten wegmesssystem |
| DK176547B1 (da) * | 2004-06-28 | 2008-07-28 | Vid Aps | Transducer til overvågning af positionen af et bevægeligt legeme |
| US7461670B1 (en) | 2004-07-23 | 2008-12-09 | Curtis Roys | Cycle indicator for fluid distribution systems |
| KR100725691B1 (ko) * | 2004-11-30 | 2007-06-07 | 니혼 덴산 산쿄 가부시키가이샤 | 리니어 액추에이터를 사용한 펌프 장치 |
| US8374887B1 (en) | 2005-02-11 | 2013-02-12 | Emily H. Alexander | System and method for remotely supervising and verifying pharmacy functions |
| US9427540B2 (en) * | 2005-11-08 | 2016-08-30 | Carefusion 207, Inc. | High frequency oscillator ventilator |
| US7861716B2 (en) | 2006-03-15 | 2011-01-04 | Carefusion 207, Inc. | Closed loop control system for a high frequency oscillation ventilator |
| TWI317202B (en) * | 2006-07-28 | 2009-11-11 | Ind Tech Res Inst | Actuator |
| WO2008028509A1 (en) * | 2006-09-07 | 2008-03-13 | Fluid Automation Systems S.A. | Bistable valve |
| FR2907841B1 (fr) * | 2006-10-30 | 2011-04-15 | Snecma | Secteur d'anneau de turbine de turbomachine |
| DE102009000185A1 (de) * | 2009-01-13 | 2010-07-15 | Robert Bosch Gmbh | Vorrichtung zur Einspritzung von Kraftstoff |
| DE102009000186A1 (de) * | 2009-01-13 | 2010-07-15 | Robert Bosch Gmbh | Vorrichtung zur Einspritzung von Kraftstoff |
| US8662187B2 (en) * | 2009-08-13 | 2014-03-04 | Baker Hughes Incorporated | Permanent magnet linear motor actuated safety valve and method |
| US8415838B1 (en) * | 2010-07-19 | 2013-04-09 | Moticont | Linear motor with two magnets and a coil carrier having multiple winding areas with each area having a section of a coil wound with one continuous wire with the winding in opposite directions in spaced apart winding areas |
| JP5926017B2 (ja) | 2010-09-29 | 2016-05-25 | 日亜化学工業株式会社 | 円柱状ボンド磁石 |
| CN102074328A (zh) * | 2010-12-07 | 2011-05-25 | 陈军 | 螺旋电磁铁线性动力装置 |
| US8736086B2 (en) * | 2011-03-25 | 2014-05-27 | Tai-Her Yang | Reciprocal vibration type power generator equipped with inner columnar and outer annular magnetic members, a power storage device, a rectifying circuit, and a charging circuit |
| US9071120B2 (en) * | 2011-07-19 | 2015-06-30 | Kanzaki Kokyukoki Mfg. Co., Ltd. | Linear actuator and boring device |
| KR101267123B1 (ko) | 2011-07-28 | 2013-05-27 | 인지컨트롤스 주식회사 | 전자식 액추에이터 |
| KR101298513B1 (ko) * | 2011-08-30 | 2013-08-22 | 주식회사 하이소닉 | 자동차의 능동형 가속 액츄에이터 |
| JP6178637B2 (ja) * | 2013-06-25 | 2017-08-09 | 日本電産サンキョー株式会社 | アクチュエータ |
| KR101563320B1 (ko) * | 2013-10-10 | 2015-10-26 | 현대중공업 주식회사 | 고속 솔레노이드 |
| JP6384849B2 (ja) * | 2013-12-03 | 2018-09-05 | オリンパス株式会社 | 硬度可変アクチュエータ |
| KR101547029B1 (ko) * | 2013-12-27 | 2015-08-24 | 순천향대학교 산학협력단 | 전자기력 디바이스 |
| KR101541226B1 (ko) * | 2013-12-27 | 2015-08-03 | 순천향대학교 산학협력단 | 전자기력 디바이스 |
| US9412507B2 (en) * | 2014-04-01 | 2016-08-09 | The Boeing Company | Positioning system for an electromechanical actuator |
| KR101971043B1 (ko) | 2015-01-28 | 2019-04-23 | 상하이 쉬프트 일렉트릭스 컴퍼니 리미티드 | 개인 청결 관리 도구 |
| CN105680662B (zh) * | 2016-03-28 | 2018-07-20 | 歌尔股份有限公司 | 线性振动电机 |
| CN108173404B (zh) * | 2018-02-10 | 2023-08-11 | 安徽万至达电机科技有限公司 | 超声振动电机 |
| KR102203414B1 (ko) | 2019-01-02 | 2021-01-15 | 효성중공업 주식회사 | 액츄에이터 |
| KR102177140B1 (ko) | 2019-01-18 | 2020-11-10 | 효성중공업 주식회사 | 액츄에이터 |
| DE102019216117A1 (de) * | 2019-10-18 | 2021-04-22 | Festo Se & Co. Kg | Linearantriebsvorrichtung |
| KR102350721B1 (ko) * | 2019-12-30 | 2022-01-13 | 이효복 | 저소음 주파수 송풍장치 |
| CN117914047B (zh) * | 2024-03-19 | 2024-05-31 | 江苏万基传动科技有限公司 | 一种永磁直驱大功率电动滚筒 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2311394A1 (fr) | 1975-05-16 | 1976-12-10 | Renault | Actuateur electromagnetique, notamment pour valve de servo-commande hydraulique |
| US4808955A (en) * | 1987-10-05 | 1989-02-28 | Bei Electronics, Inc. | Moving coil linear actuator with interleaved magnetic circuits |
| US5345206A (en) * | 1992-11-24 | 1994-09-06 | Bei Electronics, Inc. | Moving coil actuator utilizing flux-focused interleaved magnetic circuit |
| US5745019A (en) * | 1996-05-16 | 1998-04-28 | Pacesetter, Inc. | Magnetic annunciator |
-
2001
- 2001-11-14 WO PCT/EP2001/013200 patent/WO2002041332A1/de not_active Ceased
- 2001-11-14 EP EP01996867A patent/EP1334493B1/de not_active Expired - Lifetime
- 2001-11-14 DE DE50112241T patent/DE50112241D1/de not_active Expired - Lifetime
- 2001-11-14 JP JP2002543451A patent/JP4052384B2/ja not_active Expired - Lifetime
- 2001-11-14 AU AU2002217028A patent/AU2002217028A1/en not_active Abandoned
- 2001-11-14 WO PCT/EP2001/013175 patent/WO2002041331A1/de not_active Ceased
- 2001-11-14 EP EP01996866A patent/EP1334492A1/de not_active Withdrawn
- 2001-11-14 US US10/416,707 patent/US6975195B2/en not_active Expired - Lifetime
- 2001-11-14 CN CNB018219926A patent/CN1225751C/zh not_active Expired - Lifetime
- 2001-11-14 AT AT01996867T patent/ATE357731T1/de not_active IP Right Cessation
- 2001-11-14 CA CA2441997A patent/CA2441997C/en not_active Expired - Fee Related
- 2001-11-14 KR KR1020037006509A patent/KR100840842B1/ko not_active Expired - Lifetime
-
2003
- 2003-05-23 US US10/443,237 patent/US7164336B2/en not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0241332A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100840842B1 (ko) | 2008-06-23 |
| US7164336B2 (en) | 2007-01-16 |
| EP1334493B1 (de) | 2007-03-21 |
| JP2004514393A (ja) | 2004-05-13 |
| US20040051607A1 (en) | 2004-03-18 |
| DE50112241D1 (de) | 2007-05-03 |
| US6975195B2 (en) | 2005-12-13 |
| JP4052384B2 (ja) | 2008-02-27 |
| WO2002041331A1 (de) | 2002-05-23 |
| CA2441997A1 (en) | 2002-05-23 |
| KR20030064410A (ko) | 2003-07-31 |
| CA2441997C (en) | 2011-03-29 |
| EP1334492A1 (de) | 2003-08-13 |
| CN1225751C (zh) | 2005-11-02 |
| ATE357731T1 (de) | 2007-04-15 |
| AU2002217028A1 (en) | 2002-05-27 |
| CN1486496A (zh) | 2004-03-31 |
| WO2002041332A1 (de) | 2002-05-23 |
| US20040003849A1 (en) | 2004-01-08 |
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