ES2175344T3 - Dispositivo transformador de presion. - Google Patents
Dispositivo transformador de presion.Info
- Publication number
- ES2175344T3 ES2175344T3 ES97904660T ES97904660T ES2175344T3 ES 2175344 T3 ES2175344 T3 ES 2175344T3 ES 97904660 T ES97904660 T ES 97904660T ES 97904660 T ES97904660 T ES 97904660T ES 2175344 T3 ES2175344 T3 ES 2175344T3
- Authority
- ES
- Spain
- Prior art keywords
- pressure
- rotor
- cameras
- housing
- fluid flow
- 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.)
- Expired - Lifetime
Links
- 239000012530 fluid Substances 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B3/00—Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F04B1/2014—Details or component parts
- F04B1/2042—Valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/26—Control
- F04B1/30—Control of machines or pumps with rotary cylinder blocks
- F04B1/303—Control of machines or pumps with rotary cylinder blocks by turning the valve plate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B2205/00—Fluid parameters
- F04B2205/09—Flow through the pump
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Reciprocating Pumps (AREA)
- Hydraulic Motors (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
LA INVENCION SE REFIERE A UN TRANSFORMADOR DE PRESION PARA LA CONVERSION DE LA ENERGIA HIDRAULICA DE UN PRIMER FLUJO DE FLUIDO QUE ESTA A UNA PRIMERA PRESION EN ENERGIA HIDRAULICA DE UN SEGUNDO FLUJO DE FLUIDO QUE ESTA A UNA SEGUNDA PRESION. EN LA CARCASA (3) SE MONTA UN ROTOR (26), CAPAZ DE GIRAR ALREDEDOR DE UN EJE DE ROTACION (4) POR EFECTO DE LAS DIFERENCIAS DE PRESION ENTRE LAS TRES CONEXIONES DE TUBOS (16). ALREDEDOR DEL EJE DE ROTACION ESTAN DISTRIBUIDAS UNAS CAMARAS (24) QUE COMPRENDEN MEDIOS DE DESPLAZAMIENTO VOLUMETRICO (27, 29) TALES COMO PISTONES (27) QUE, CUANDO GIRA EL ROTOR (26) EN LA CARCASA (3), VARIAN EL VOLUMEN DE LAS CAMARAS (24) ENTRE UN VALOR MINIMO Y UN VALOR MAXIMO, Y UNOS CANALES (19, 22) PROVISTOS DE VALVULAS (20, 21) ACTIVADAS POR LA ROTACION DEL ROTOR (26) Y QUE CONECTAN CADA ELEMENTO (24) ALTERNATIVAMENTE CON LA PRIMERA, LA SEGUNDA Y LA TERCERA CONEXION DE TUBO (16).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL1002430A NL1002430C2 (nl) | 1996-02-23 | 1996-02-23 | Inrichting voor het opwekken, gebruiken of transformeren van hydraulische energie. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2175344T3 true ES2175344T3 (es) | 2002-11-16 |
Family
ID=19762376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES97904660T Expired - Lifetime ES2175344T3 (es) | 1996-02-23 | 1997-02-24 | Dispositivo transformador de presion. |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US6116138A (es) |
| EP (1) | EP0882181B1 (es) |
| JP (1) | JP4082732B2 (es) |
| AT (1) | ATE218192T1 (es) |
| DE (1) | DE69712870T2 (es) |
| ES (1) | ES2175344T3 (es) |
| NL (1) | NL1002430C2 (es) |
| WO (1) | WO1997031185A1 (es) |
Families Citing this family (78)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1002430C2 (nl) * | 1996-02-23 | 1997-08-26 | Innas Free Piston Ifp Bv | Inrichting voor het opwekken, gebruiken of transformeren van hydraulische energie. |
| NL1006144C2 (nl) * | 1997-05-28 | 1998-12-01 | Innas Free Piston Bv | Hydraulisch systeem met hydromotor aangestuurd door een hydraulische transformator. |
| NL1006143C2 (nl) * | 1997-05-28 | 1998-12-01 | Innas Free Piston Bv | Hydraulisch systeem met constante druk in drukleiding. |
| NL1008256C2 (nl) | 1998-02-10 | 1999-08-11 | Innas Free Piston Bv | Inrichting voor het omzetten van een eerste vloeistofstroom met een eerste hoogste druk in een tweede vloeistofstroom met een tweede hoogste druk. |
| JP2002502937A (ja) * | 1998-02-10 | 2002-01-29 | インナス フリー ピストン ベスローテン フエンノートシャップ | ハイドロモータにより援助される活動を遂行するための装置及びこのような装置に使用されるハイドロリックトランスフォーマ |
| NL1009607C2 (nl) | 1998-07-10 | 2000-01-11 | Innas Free Piston Bv | Hydraulische inrichting. |
| WO1999051881A1 (en) * | 1998-04-07 | 1999-10-14 | Noax B.V. | Adjustable face plate for hydraulic pump or motor |
| US6038958A (en) * | 1998-04-07 | 2000-03-21 | Noax B.V. | Porting for hydraulic pressure transformer |
| US5878649A (en) | 1998-04-07 | 1999-03-09 | Caterpillar Inc. | Controlled porting for a pressure transformer |
| JP2002519597A (ja) * | 1998-06-27 | 2002-07-02 | ブラーン,ラーズ | 移動型作業機 |
| DE19842534A1 (de) | 1998-08-01 | 2000-02-03 | Mannesmann Rexroth Ag | Hydrostatisches Antriebssystem für eine Spritzgießmaschine und Verfahren zum Betreiben eines solchen Antriebssystems |
| WO2000008339A1 (de) * | 1998-08-06 | 2000-02-17 | Mannesmann Rexroth Ag | Hydro-transformator |
| US6092455A (en) * | 1998-11-06 | 2000-07-25 | Caterpillar Inc. | Hydraulic pressure transformer |
| US6374602B1 (en) * | 1999-03-16 | 2002-04-23 | Caterpillar Inc. | Control system for a hydraulic transformer having variable pressure input |
| US6360536B1 (en) * | 1999-03-16 | 2002-03-26 | Caterpillar Inc. | Control system for a hydraulic transformer |
| NL1013996C2 (nl) | 1999-12-30 | 2001-07-03 | Innas Free Piston Bv | Vrijezuiger aggregaat voor opwekken van hydraulische energie. |
| DE10037114B4 (de) * | 2000-01-25 | 2010-07-22 | Bosch Rexroth Aktiengesellschaft | Hydrotransformator |
| DE10025248A1 (de) * | 2000-05-22 | 2001-11-29 | Mannesmann Rexroth Ag | Hydrotransformator |
| DE10034239B4 (de) * | 2000-07-13 | 2009-09-17 | Bosch Rexroth Aktiengesellschaft | Hydrotransformator |
| DE10034238A1 (de) * | 2000-07-13 | 2002-01-31 | Mannesmann Rexroth Ag | Hydrotransformator |
| NL1016046C2 (nl) * | 2000-08-29 | 2002-03-01 | Innas Free Piston Bv | Hydraulische druktransformator. |
| US6460333B2 (en) * | 2000-12-22 | 2002-10-08 | Caterpillar Inc. | Hydraulic pressure transformer |
| US6912849B2 (en) * | 2002-04-09 | 2005-07-05 | Komatsu Ltd. | Cylinder driving system and energy regenerating method thereof |
| DE10216951A1 (de) * | 2002-04-17 | 2003-11-06 | Bosch Rexroth Ag | Hydrotransformator |
| US6854269B2 (en) * | 2002-07-23 | 2005-02-15 | Caterpillar Inc. | Noise attenuation in a hydraulic circuit |
| DE10241979A1 (de) * | 2002-09-11 | 2004-03-18 | Bosch Rexroth Ag | Hydrotransformator |
| DE10250207A1 (de) * | 2002-10-28 | 2004-05-13 | Bosch Rexroth Ag | Dämpfungsvorrichtung |
| US6854268B2 (en) | 2002-12-06 | 2005-02-15 | Caterpillar Inc | Hydraulic control system with energy recovery |
| WO2004058550A2 (en) * | 2002-12-16 | 2004-07-15 | Walker Frank H | Hydraulic regenerative braking system for a vehicle |
| CN1300470C (zh) * | 2004-09-30 | 2007-02-14 | 宁波华液机器制造有限公司 | 液压缸控制的液压变压器 |
| US8132868B2 (en) * | 2004-12-17 | 2012-03-13 | Walker Frank H | Hydraulic regenerative braking system for a vehicle |
| US20080210500A1 (en) * | 2005-05-11 | 2008-09-04 | Walker Frank H | Hydraulic Regenerative Braking System For a Vehicle |
| US8712965B2 (en) * | 2006-06-29 | 2014-04-29 | International Business Machines Corporation | Dynamic report mapping apparatus to physical data source when creating report definitions for information technology service management reporting for peruse of report definition transparency and reuse |
| US8176838B2 (en) * | 2007-02-12 | 2012-05-15 | Walker Frank H | Hydraulic machine arrangement |
| US8162621B2 (en) * | 2007-02-12 | 2012-04-24 | Walker Frank H | Hydraulic machine arrangement |
| DE102007016517A1 (de) | 2007-04-05 | 2008-10-09 | Muller, Katherina | Hydrostatischer Fahrantrieb |
| DE102007016519A1 (de) | 2007-04-05 | 2008-10-09 | Muller, Katherina | Hydromotor |
| DE102007040361A1 (de) | 2007-08-27 | 2009-03-05 | Muller, Katherina | Freikolbenmotor mit variabler Verdichtung |
| EP2042737B1 (en) * | 2007-09-28 | 2016-01-13 | Parker-Hannifin Corporation | Pressure recovery system |
| DE112008002963A5 (de) * | 2007-11-09 | 2010-09-02 | Muller, Katherina | Hydraulischer Drucktransformator und Verfahren zu dessen Betrieb |
| WO2010028100A1 (en) | 2008-09-03 | 2010-03-11 | Parker Hannifin Corporation | Velocity control of unbalanced hydraulic actuator subjected to over-center load conditions |
| DE102008046168B4 (de) * | 2008-09-06 | 2010-06-24 | Danfoss A/S | Axialkolbenpumpe und Umkehrosmoseeinrichtung |
| US8186154B2 (en) * | 2008-10-31 | 2012-05-29 | Caterpillar Inc. | Rotary flow control valve with energy recovery |
| DE102008060596A1 (de) | 2008-12-05 | 2010-06-10 | Robert Bosch Gmbh | Hydrotransformator |
| EP2246566A2 (en) | 2009-04-20 | 2010-11-03 | Innas B.V. | Axial bearing for use in a hydraulic device, a hydraulic transformer and a vehicle with a hydraulic drive system |
| GB2472593B (en) * | 2009-08-11 | 2012-10-24 | Mactaggart Scott | Energy converter device |
| JP5519805B2 (ja) * | 2009-12-23 | 2014-06-11 | ハスキー インジェクション モールディング システムズ リミテッド | デジタル容積型ポンプを有する射出成形システム |
| CN101749292B (zh) * | 2009-12-31 | 2012-06-20 | 北京理工大学 | 一种旋转斜盘可调液压变压器 |
| RU2434159C1 (ru) | 2010-03-17 | 2011-11-20 | Александр Анатольевич Строганов | Способ преобразования тепла в гидравлическую энергию и устройство для его осуществления |
| FR2975050B1 (fr) * | 2011-05-09 | 2014-08-01 | Peugeot Citroen Automobiles Sa | Systeme de moteur pompe hydraulique a amplification de pression debrayable |
| DE102012208323A1 (de) | 2011-06-14 | 2012-12-20 | Schaeffler Technologies AG & Co. KG | Hydrotransformator |
| JP2014524549A (ja) | 2011-08-12 | 2014-09-22 | イートン コーポレーション | 慣性エネルギーを回生するための方法及び装置 |
| US9803338B2 (en) | 2011-08-12 | 2017-10-31 | Eaton Corporation | System and method for recovering energy and leveling hydraulic system loads |
| CN102434504B (zh) * | 2011-12-09 | 2014-02-12 | 哈尔滨工业大学 | 轴向配流的液压变压器 |
| CN102562690B (zh) * | 2012-02-07 | 2014-10-15 | 北京理工大学 | 一种小流量脉动液压变压器 |
| WO2013130768A1 (en) * | 2012-02-28 | 2013-09-06 | Eaton Corporation | Digital hydraulic transformer and method for recovering energy and leveling hydraulic system loads |
| US10125752B1 (en) * | 2012-07-19 | 2018-11-13 | Hydro-Gear Limited Partnership | Hydraulic motor |
| CN102788010B (zh) * | 2012-08-10 | 2015-11-18 | 中国船舶重工集团公司第七一九研究所 | 一种摆动油缸控制的斜盘柱塞式液压变压器 |
| EP2935907A1 (en) | 2012-12-19 | 2015-10-28 | Eaton Corporation | Control system for hydraulic system and method for recovering energy and leveling hydraulic system loads |
| CN103016430A (zh) * | 2012-12-21 | 2013-04-03 | 哈尔滨工业大学 | 摆动液压马达控制的斜盘柱塞式液压变压器 |
| US20170138195A1 (en) * | 2013-03-12 | 2017-05-18 | Dana Limited | Enhanced waste heat recovery system |
| DE112014005946A5 (de) * | 2013-12-18 | 2016-10-06 | Schaeffler Technologies AG & Co. KG | Verstellpumpe |
| CN103671304B (zh) * | 2013-12-23 | 2015-11-04 | 哈尔滨理工大学 | 一种集成式液压变压器 |
| CN104482159B (zh) * | 2014-12-31 | 2017-02-08 | 太原科技大学 | 一种静液压变矩器 |
| CN107250464B (zh) * | 2015-01-27 | 2020-02-11 | 沃尔沃建筑设备公司 | 液压控制系统 |
| US10598193B2 (en) * | 2015-10-23 | 2020-03-24 | Aoi | Prime mover system and methods utilizing balanced flow within bi-directional power units |
| US10871174B2 (en) * | 2015-10-23 | 2020-12-22 | Aol | Prime mover system and methods utilizing balanced flow within bi-directional power units |
| CN105570206B (zh) * | 2016-02-24 | 2017-05-31 | 太原科技大学 | 一种具有组合式配流盘的液压变压器 |
| CN105673587B (zh) * | 2016-03-24 | 2017-08-15 | 太原科技大学 | 采用组合式配流盘的液压变压器 |
| CN105626601B (zh) * | 2016-03-24 | 2017-08-15 | 太原科技大学 | 具有组合式配流盘的液压变压器及其液压回路 |
| CN105650042B (zh) * | 2016-03-28 | 2017-08-15 | 太原科技大学 | 采用组合式配流盘的液压变压器及其液压回路 |
| CN105864124B (zh) * | 2016-05-04 | 2017-08-15 | 太原科技大学 | 一种具有双缸体的液压变压器 |
| CN106286433B (zh) * | 2016-11-03 | 2017-10-24 | 太原科技大学 | 一种具有摆动斜盘和转动配流盘的液压变压器 |
| DK179391B1 (en) * | 2017-02-08 | 2018-05-28 | Steeper Energy Aps | Pressure reduction in high pressure processing system |
| CN108999817B (zh) * | 2018-09-11 | 2020-06-02 | 北京理工大学 | 一种液压变压方法 |
| NL2022071B1 (nl) * | 2018-11-24 | 2020-06-09 | B B A Participaties B V | Apparaat voor het regelen van de belasting van een mobiele vloeistofpomp |
| BR112022012767B1 (pt) * | 2020-01-23 | 2023-03-07 | Hess Corporation | Conjunto de bomba submersível para transferência de um meio de fluido com baixa viscosidade |
| EP4424985B1 (en) * | 2023-03-03 | 2025-08-20 | Innas B.V. | A hydraulic transformer |
Family Cites Families (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE593597C (de) * | 1931-01-28 | 1934-09-10 | Viktor Jereczek | Fluessigkeitspumpe |
| US2642809A (en) * | 1946-02-15 | 1953-06-23 | Denison Eng Co | Hydraulic apparatus |
| US2550405A (en) * | 1947-05-09 | 1951-04-24 | Hpm Dev Corp | Intensifier |
| US2661695A (en) * | 1950-07-21 | 1953-12-08 | Oilgear Co | Reduction of noise and shock in power pumps |
| DE974089C (de) * | 1955-02-10 | 1960-09-08 | Daimler Benz Ag | Hydraulische Axialkolbenmaschine |
| US2845030A (en) * | 1955-04-06 | 1958-07-29 | Bendix Aviat Corp | Scavenge pump |
| US2881706A (en) * | 1955-05-18 | 1959-04-14 | Ford Motor Co | Motor vehicle hydraulic system |
| US2933897A (en) * | 1957-05-21 | 1960-04-26 | Dravo Corp | Rotary hydraulic booster |
| US3016710A (en) * | 1958-10-23 | 1962-01-16 | Ford Motor Co | Central hydraulic system |
| US3175508A (en) * | 1960-10-26 | 1965-03-30 | Nat Union Electric Corp | Variable fluid delivery or intake pump |
| GB926937A (en) * | 1960-11-08 | 1963-05-22 | Rover Co Ltd | Improvements in or relating to a rotary fuel pump of the kind including cam-operatedpistons |
| US3054261A (en) * | 1961-06-14 | 1962-09-18 | Weatherhead Co | Pressure intensifier |
| US3139905A (en) * | 1961-09-11 | 1964-07-07 | Oscar E Rosaen | Fluid superchargers |
| FR1303925A (fr) * | 1961-10-18 | 1962-09-14 | Nat Union Electric Corp | Pompe à aspiration ou refoulement à débits variables |
| GB984872A (en) * | 1962-05-12 | 1965-03-03 | Council Scient Ind Res | Improvements in rotary hydraulic reciprocating piston pumps and motors |
| US3188963A (en) * | 1962-06-04 | 1965-06-15 | Bendix Corp | Fluid intensifier |
| US3223047A (en) * | 1963-09-30 | 1965-12-14 | Sperry Rand Corp | Power transmission |
| US3253410A (en) * | 1965-07-09 | 1966-05-31 | Char Lynn Co | Fluid pressure power transmission system |
| US3627451A (en) * | 1970-04-01 | 1971-12-14 | Abex Corp | Hydraulic transformer |
| US4077746A (en) * | 1974-04-11 | 1978-03-07 | Sundstrand Corporation | Hydraulic intensifier system |
| PL94143B1 (es) * | 1974-11-23 | 1977-07-30 | ||
| DE2915620A1 (de) * | 1979-04-18 | 1980-10-30 | Transform Verstaerkungsmasch | Verfahren zur vermeidung des energieverlustes in form einer verlorenen druckluftmenge bei pneumatischen kolbentrieben und vorrichtungen zur durchfuehrung des verfahrens |
| US4373669A (en) * | 1980-11-28 | 1983-02-15 | International Harvester Co. | Hydraulic drive for an agricultural sprayer |
| DE3244191C2 (de) * | 1982-11-30 | 1985-07-25 | Mannesmann Rexroth GmbH, 8770 Lohr | Mit einer Konstantzugregelung versehener hydraulischer Zylinder |
| NL8402899A (nl) * | 1984-09-21 | 1986-04-16 | Rietschoten & Houwens Tech Han | Hydraulische schakeling met spaarreservoir. |
| US5035170A (en) * | 1989-08-30 | 1991-07-30 | Sundstrand Corporation | Direct drive variable displacement hydraulic apparatus |
| JPH07155999A (ja) * | 1993-09-02 | 1995-06-20 | Maschinenfabrik Mueller Weingarten Ag | 液圧プレスの駆動を制御するための方法及び装置 |
| NL1002430C2 (nl) * | 1996-02-23 | 1997-08-26 | Innas Free Piston Ifp Bv | Inrichting voor het opwekken, gebruiken of transformeren van hydraulische energie. |
-
1996
- 1996-02-23 NL NL1002430A patent/NL1002430C2/nl not_active IP Right Cessation
-
1997
- 1997-02-24 JP JP53002897A patent/JP4082732B2/ja not_active Expired - Fee Related
- 1997-02-24 WO PCT/NL1997/000084 patent/WO1997031185A1/en not_active Ceased
- 1997-02-24 DE DE69712870T patent/DE69712870T2/de not_active Expired - Fee Related
- 1997-02-24 ES ES97904660T patent/ES2175344T3/es not_active Expired - Lifetime
- 1997-02-24 US US09/125,337 patent/US6116138A/en not_active Expired - Fee Related
- 1997-02-24 AT AT97904660T patent/ATE218192T1/de not_active IP Right Cessation
- 1997-02-24 EP EP97904660A patent/EP0882181B1/en not_active Expired - Lifetime
-
2000
- 2000-08-16 US US09/641,637 patent/US6575076B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ATE218192T1 (de) | 2002-06-15 |
| JP2000504809A (ja) | 2000-04-18 |
| WO1997031185A1 (en) | 1997-08-28 |
| DE69712870T2 (de) | 2002-12-12 |
| JP4082732B2 (ja) | 2008-04-30 |
| US6116138A (en) | 2000-09-12 |
| EP0882181B1 (en) | 2002-05-29 |
| DE69712870D1 (de) | 2002-07-04 |
| EP0882181A1 (en) | 1998-12-09 |
| US6575076B1 (en) | 2003-06-10 |
| NL1002430C2 (nl) | 1997-08-26 |
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