GB2303430B - Hydrokinetic torque converter - Google Patents

Hydrokinetic torque converter

Info

Publication number
GB2303430B
GB2303430B GB9615248A GB9615248A GB2303430B GB 2303430 B GB2303430 B GB 2303430B GB 9615248 A GB9615248 A GB 9615248A GB 9615248 A GB9615248 A GB 9615248A GB 2303430 B GB2303430 B GB 2303430B
Authority
GB
United Kingdom
Prior art keywords
torque converter
hydrokinetic torque
hydrokinetic
converter
torque
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 - Fee Related
Application number
GB9615248A
Other languages
English (en)
Other versions
GB2303430A (en
GB9615248D0 (en
Inventor
Steven Olsen
Johannes Hahn
Volker Middlemann
Hubert Friedmann
Marc Meisner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LuK Getriebe Systeme GmbH
Original Assignee
LuK Getriebe Systeme GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LuK Getriebe Systeme GmbH filed Critical LuK Getriebe Systeme GmbH
Priority to GB9916813A priority Critical patent/GB2338538B/en
Priority to GB9915357A priority patent/GB2338280B/en
Publication of GB9615248D0 publication Critical patent/GB9615248D0/en
Publication of GB2303430A publication Critical patent/GB2303430A/en
Application granted granted Critical
Publication of GB2303430B publication Critical patent/GB2303430B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches 
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches  with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H41/00—Rotary fluid gearing of the hydrokinetic type
    • F16H41/24—Details
    • F16H2041/246—Details relating to one way clutch of the stator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches 
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches  with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/0205—Combinations of fluid gearings for conveying rotary motion with couplings or clutches  with mechanical clutches for bridging a fluid gearing of the hydrokinetic type two chamber system, i.e. without a separated, closed chamber specially adapted for actuating a lock-up clutch
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches 
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches  with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/0215—Details of oil circulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches 
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches  with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/0221—Combinations of fluid gearings for conveying rotary motion with couplings or clutches  with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means
    • F16H2045/0236—Combinations of fluid gearings for conveying rotary motion with couplings or clutches  with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means with axial dampers, e.g. comprising a ramp system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches 
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches  with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/0273—Combinations of fluid gearings for conveying rotary motion with couplings or clutches  with mechanical clutches for bridging a fluid gearing of the hydrokinetic type characterised by the type of the friction surface of the lock-up clutch
    • F16H2045/0278—Combinations of fluid gearings for conveying rotary motion with couplings or clutches  with mechanical clutches for bridging a fluid gearing of the hydrokinetic type characterised by the type of the friction surface of the lock-up clutch comprising only two co-acting friction surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches 
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches  with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/0273—Combinations of fluid gearings for conveying rotary motion with couplings or clutches  with mechanical clutches for bridging a fluid gearing of the hydrokinetic type characterised by the type of the friction surface of the lock-up clutch
    • F16H2045/0284—Multiple disk type lock-up clutch

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Operated Clutches (AREA)
  • Control Of Fluid Gearings (AREA)
GB9615248A 1995-07-19 1996-07-19 Hydrokinetic torque converter Expired - Fee Related GB2303430B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9916813A GB2338538B (en) 1995-07-19 1996-07-19 Hydrokinetic torque converter
GB9915357A GB2338280B (en) 1995-07-19 1996-07-19 Hydrokinetic torque converter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19526123 1995-07-19
DE19535653 1995-07-20

Publications (3)

Publication Number Publication Date
GB9615248D0 GB9615248D0 (en) 1996-09-04
GB2303430A GB2303430A (en) 1997-02-19
GB2303430B true GB2303430B (en) 2000-02-23

Family

ID=26016905

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9615248A Expired - Fee Related GB2303430B (en) 1995-07-19 1996-07-19 Hydrokinetic torque converter

Country Status (5)

Country Link
US (2) US5813505A (OSRAM)
JP (2) JPH0932904A (OSRAM)
DE (1) DE19626685A1 (OSRAM)
FR (2) FR2736982B1 (OSRAM)
GB (1) GB2303430B (OSRAM)

Families Citing this family (90)

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DE19626685A1 (de) * 1995-07-19 1997-01-23 Luk Getriebe Systeme Gmbh Hydrodynamischer Drehmomentwandler
DE19734678B4 (de) * 1996-08-23 2017-03-02 Schaeffler Technologies AG & Co. KG Hydrodynamischer Drehmomentwandler
DE19720575C1 (de) * 1997-05-16 1998-09-03 Mannesmann Sachs Ag Hydrodynamischer Drehmomentwandler mit Vertiefungen im Erstreckungsbereich der Reibbeläge
DE19822665B4 (de) * 1997-06-04 2007-08-02 Luk Gs Verwaltungs Kg Hydrodynamischer Drehmomentwandler
JP3679901B2 (ja) * 1997-07-08 2005-08-03 株式会社エクセディ フライホイール組立体、及びトルクコンバータ
DE19754650A1 (de) * 1997-12-09 1999-06-17 Mannesmann Sachs Ag Drehmomentwandler
DE19754652A1 (de) * 1997-12-09 1999-06-17 Mannesmann Sachs Ag Drehmomentwandler
DE19812062B4 (de) * 1998-03-19 2009-07-09 Zf Sachs Ag Hydrodynamischer Drehmomentwandler mit Befestigung von Anbindungselementen mittels Ausdrückungen
DE19824265B4 (de) * 1998-05-29 2006-11-30 Zf Sachs Ag Hydrodynamischer Drehmomentwandler mit einem im Innentorus angeordneten Torsionsschwingungsdämpfer
DE19964646B3 (de) * 1998-10-01 2017-06-29 Schaeffler Technologies AG & Co. KG Kraftübertragungseinrichtung
DE19845687C5 (de) 1998-10-05 2014-10-16 Zf Friedrichshafen Ag Hydrodynamischer Drehmomentwandler mit einer Aufnahme am Wandlergehäuse
JP2000130554A (ja) * 1998-10-28 2000-05-12 Aisin Aw Co Ltd ダンパ装置
US6006878A (en) * 1999-02-12 1999-12-28 Ford Global Technologies, Inc. Torque converter bypass clutch having elastically flexible piston
DE19905853B4 (de) * 1999-02-12 2009-04-09 Zf Sachs Ag Verbindungsanordnung für einen hydrodynamischen Drehmomentwandler
FR2793295A1 (fr) * 1999-05-05 2000-11-10 Valeo Appareil d'accouplement hydrocinetique d'encombrement reduit, notamment pour vehicule automobile
FR2793294B1 (fr) * 1999-05-05 2001-07-20 Valeo Appareil d'accouplement hydrocinetique a turbine deformee
FR2801084B1 (fr) * 1999-11-17 2001-12-07 Valeo Appareil d'accouplement hydrocinetique, notamment pour vehicule automobile
DE10008167A1 (de) * 2000-02-23 2001-08-30 Zahnradfabrik Friedrichshafen Reibkupplung
US6564546B2 (en) 2000-04-11 2003-05-20 Fb Performance Transmission Inc. Variable stall control
DE10117746B4 (de) * 2000-04-28 2017-06-29 Schaeffler Technologies AG & Co. KG Drehmomentübertragungseinrichtung
US20030168299A1 (en) * 2000-08-31 2003-09-11 Heinz Holler Starter unit
EP1313967A1 (de) * 2000-08-31 2003-05-28 Voith Turbo GmbH & Co. KG Anfahreinheit und verfahren zur anpassung von anfahreinheiten an antriebssysteme mit unterschiedlichen randbedingungen, insbesondere unterschiedliche antriebsmaschinen
EP1184599B1 (de) * 2000-08-31 2009-02-25 Voith Turbo GmbH & Co. KG Verfahren zur Anpassung von Anfahreinheiten an Antriebssysteme mit unterschiedlichen Randbedingungen, insbesondere unterschiedliche Antriebsmaschinen
EP1184600A1 (de) * 2000-08-31 2002-03-06 Voith Turbo GmbH & Co. KG Betriebsmittelversorgungssystem für eine hydrodynamische Kupplung und Anfahreinheit mit einer hydrodynamischen Kupplung
DE10110077A1 (de) * 2000-08-31 2002-03-14 Voith Turbo Kg Anfahreinheit und Verfahren zur Anpassung von Anfahreinheiten an Antriebssysteme mit unterschiedlichen Randbedingungen, insbesondere unterschiedliche Antriebsmaschinen
BR0113576A (pt) * 2000-08-31 2003-07-15 Voith Turbo Kg Embreagem hidrodinâmica, sistema de abastecimento de meio de serviço para uma embreagem hidrodinâmica e unidade de arranque com uma embreagem hidrodinâmica
DE10110076A1 (de) * 2000-08-31 2002-03-14 Voith Turbo Kg Anfahreinheit
FR2816019B1 (fr) * 2000-11-02 2003-01-03 Valeo Appareil d'accouplement hydrocinetique, notamment pour vehicule automobile
WO2002044589A1 (de) * 2000-11-29 2002-06-06 Thyssenkrupp Automotive Ag Hydrodynamischer drehmomentwandler
DE10104813A1 (de) * 2001-02-01 2002-08-08 Voith Turbo Kg Anfahreinheit
JP2003106404A (ja) * 2001-09-28 2003-04-09 Jatco Ltd トルクコンバータ
JP4021241B2 (ja) * 2002-05-21 2007-12-12 株式会社ユタカ技研 流体伝動装置用羽根車
US7032729B2 (en) * 2002-12-10 2006-04-25 Ronjo Co. Torque converter
DE10325222A1 (de) * 2003-06-04 2004-12-23 Zf Friedrichshafen Ag Wandlerüberbrückungskupplung eines hydrodynamischen Drehmomentwandlers
DE10342271B4 (de) * 2003-09-12 2014-07-10 Zf Friedrichshafen Ag Reibbelag-Lamelle
JP2006105278A (ja) * 2004-10-05 2006-04-20 Exedy Corp 流体式トルク伝達装置
JP2006161895A (ja) * 2004-12-03 2006-06-22 Exedy Corp 流体式トルク伝達装置
JP2006161894A (ja) * 2004-12-03 2006-06-22 Exedy Corp 流体式トルク伝達装置
WO2008046378A2 (de) 2006-10-16 2008-04-24 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Verfahren und vorrichtung zum dämpfen von torsionsschwingungen in einem kraftfahrzeug
WO2008046377A2 (de) * 2006-10-16 2008-04-24 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Vorrichtung zur dämpfung von schwingungen und kraftübertragungseinrichtung mit einer vorrichtung zur dämpfung von schwingungen
WO2008049010A2 (en) * 2006-10-17 2008-04-24 Alcoa Inc. Light weight torque converter
DE102007058023A1 (de) * 2006-12-21 2008-06-26 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Führung für den Deckel eines Drehmomentwandlers und Verfahren zur Herstellung
DE102008027446A1 (de) 2007-06-18 2008-12-24 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Vorrichtung zur Dämpfung von Schwingungen, insbesondere Torsionsschwingungsdämpfer und Kraftübertragungsvorrichtung
DE102008058085A1 (de) 2007-12-13 2009-06-25 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Vorrichtung zur Dämpfung von Schwingungen und Kraftübertragungsvorrichtung mit einer Vorrichtung zur Dämpfung von Schwingungen
JP4811443B2 (ja) * 2008-10-10 2011-11-09 トヨタ自動車株式会社 流体伝達装置
US8627934B2 (en) 2008-10-10 2014-01-14 Toyta Jidosha Kabushiki Kaisha Fluid transmission device
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US8839922B2 (en) * 2010-11-24 2014-09-23 Toyota Jidosha Kabushiki Kaisha Vehicle power transmission device
DE102014211668B4 (de) * 2013-07-16 2025-05-15 Schaeffler Technologies AG & Co. KG Antriebsbaugruppe mit am Turbinengehäuse befestigten Mitnehmerzungen und Herstellungsverfahren
JP2016525197A (ja) 2013-07-19 2016-08-22 シェフラー テクノロジーズ アー・ゲー ウント コー． カー・ゲーＳｃｈａｅｆｆｌｅｒ Ｔｅｃｈｎｏｌｏｇｉｅｓ ＡＧ ＆ Ｃｏ． ＫＧ ２パス多機能トルクコンバータ
WO2015013212A1 (en) * 2013-07-23 2015-01-29 Schaeffler Technologies Gmbh & Co. Kg Torque converter including an elastic element preloading an axially movable turbine
US9670972B2 (en) 2014-04-28 2017-06-06 Twin Disc, Inc. Trimmed lock-up clutch
WO2015183886A1 (en) * 2014-05-30 2015-12-03 Schaeffler Technologies Gmbh & Co. Kg Torque converter including spherical clutch
US11441369B2 (en) 2014-08-07 2022-09-13 Joy Global Surface Mining Inc Fluid coupling drive system for a drill rig air compressor
US9797494B2 (en) 2014-10-09 2017-10-24 Valeo Embrayages Hydrokinetic torque coupling device with turbine-piston lock-up clutch and epicyclic gearing
US9562597B2 (en) 2014-10-09 2017-02-07 Valeo Embrayages Hydrokinetic torque coupling device with turbine-piston lock-up clutch and bevel gearing
US9765872B2 (en) 2014-10-23 2017-09-19 Valeo Embrayages Hydrokinetic torque coupling device having turbine-piston lockup clutch with drive-clutch component, and related method
US9845854B2 (en) 2014-10-23 2017-12-19 Valeo Embrayages Hydrokinetic torque coupling device having turbine-piston lock-up clutch, and related methods
US9297448B1 (en) 2014-10-23 2016-03-29 Valeo Embrayages Hydrokinetic torque coupling device having turbine-piston lockup clutch, and related methods
US9528586B2 (en) 2014-10-23 2016-12-27 Valeo Embrayages Hydrokinetic torque coupling device having turbine-piston lockup clutch and intermediate clutch component, and related methods
US9845855B2 (en) 2014-10-23 2017-12-19 Valeo Embrayages Torque converter and hydrokinetic torque coupling device having turbine-piston lockup clutch with lockup resistance member
US9441718B2 (en) 2014-10-23 2016-09-13 Valeo Embrayages Hydrokinetic torque coupling device having turbine-piston lockup clutch, and related methods
US9541181B2 (en) 2014-10-23 2017-01-10 Valeo Embrayages Torque converter and hydrokinetic torque coupling device having turbine-piston lockup clutch with flow restrictor, and related methods
JP6051195B2 (ja) * 2014-11-25 2016-12-27 株式会社エクセディ 流体継手
JP5925867B1 (ja) * 2014-11-25 2016-05-25 株式会社エクセディ 流体継手
US9574649B2 (en) 2014-12-05 2017-02-21 Valeo Embrayages Hydrokinetic torque coupling device having turbine-piston lockup clutch, and related methods
US9341250B1 (en) * 2014-12-05 2016-05-17 Valeo Embrayges Hydrokinetic torque coupling device having turbine-piston lockup clutch, and related methods
US9593755B2 (en) 2014-12-05 2017-03-14 Valeo Embrayages Hydrokinetic torque coupling device having turbine-piston lockup clutch, and related methods
US9523420B2 (en) 2014-12-05 2016-12-20 Valeo Embrayages Torque converter and hydrokinetic torque coupling device having core lockup clutch, and related methods
US9562598B2 (en) 2014-12-05 2017-02-07 Valeo Embrayages Torque converter and hydrokinetic torque coupling device having turbine-piston lockup clutch with lockup resistance member
US9599206B2 (en) 2014-12-05 2017-03-21 Valeo Embrayages Torque converter and hydrokinetic torque coupling device having turbine-piston lockup clutch, and related methods
US9709145B2 (en) 2014-12-05 2017-07-18 Valeo Embrayages Torque converter and hydrokinetic torque coupling device having turbine-piston lockup clutch, and related methods
US9752667B2 (en) 2014-12-05 2017-09-05 Valeo Embrayages Torque converter and hydrokinetic torque coupling device having turbine-piston lockup clutch, and related methods
US9739358B2 (en) 2015-04-15 2017-08-22 Valeo Embrayages Hydrokinetic torque coupling device having damper-piston lockup clutch, and related method
DE102015210363A1 (de) * 2015-06-05 2016-12-08 Schaeffler Technologies AG & Co. KG Drehmomentwandler
US10018260B2 (en) 2015-07-24 2018-07-10 Valeo Embrayages Hydrokinetic torque coupling device having turbine-piston lock-up clutch, and related methods
US10844939B2 (en) * 2015-12-18 2020-11-24 Schaeffler Technologies AG & Co. KG Reduced volume torque converter having inverted cover closure
US10197143B2 (en) 2016-04-20 2019-02-05 Valeo Emrayages Hydrokinetic torque coupling device for motor vehicle
US10234007B2 (en) 2016-05-23 2019-03-19 Valeo Embrayages Hydrokinetic torque coupling device for motor vehicle
US10234008B2 (en) 2016-05-31 2019-03-19 Valeo Embrayages Hydrokinetic torque coupling device having axially movable turbine-piston and lockup clutch, and related methods
US10408320B2 (en) * 2016-06-21 2019-09-10 Schaeffler Technologies AG & Co. KG Torque converter including extended impeller shell for connecting to engine drive plate
US10024411B2 (en) 2016-07-29 2018-07-17 Valeo Embrayages Hydrokinetic torque coupling device having turbine-piston lock-up clutch, and related methods
JP2018028339A (ja) * 2016-08-16 2018-02-22 株式会社エクセディ トルクコンバータ
US10330185B2 (en) * 2016-11-28 2019-06-25 Schaeffler Technologies AG & Co. KG Torque converter with a finger-tabbed brazed inertia ring
DE102017201522A1 (de) 2017-01-31 2018-08-02 Zf Friedrichshafen Ag Kopplungsanordnung für einen Antriebsstrang mit einer Schwingungsdämpfungseinrichtung
US10865864B2 (en) * 2017-03-28 2020-12-15 Valeo Embrayages Turbine assembly, hydrokinetic torque converter, and methods for making the same
CN112424505A (zh) * 2018-09-14 2021-02-26 舍弗勒技术股份两合公司 定位凸组件、定位凸组件的加工方法和液力变矩器
CN112555381B (zh) * 2019-09-26 2025-07-08 法雷奥凯佩科液力变矩器(南京)有限公司 液力变矩器
DE102022204306A1 (de) 2022-05-02 2023-11-02 Zf Friedrichshafen Ag Reibbelag-Lamelle für ein nasslaufendes Reibschaltelement
DE102023122541A1 (de) * 2023-08-23 2025-02-27 Schaeffler Technologies AG & Co. KG Drehschwingungsdämpfer mit einem Reibelement mit Nut

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GB872529A (en) * 1956-12-27 1961-07-12 Borg Warner Hydraulic torque converter
GB967949A (en) * 1962-07-27 1964-08-26 Feredo Sa Franc Improvements in or relating to a drive transmission
GB1414641A (en) * 1972-06-26 1975-11-19 Srm Hydromekanik Ab Torque converter transmissions
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Also Published As

Publication number Publication date
US6321891B1 (en) 2001-11-27
JP5114614B2 (ja) 2013-01-09
FR2736982A1 (fr) 1997-01-24
FR2736982B1 (fr) 2000-03-31
JPH0932904A (ja) 1997-02-07
JP2008133966A (ja) 2008-06-12
GB2303430A (en) 1997-02-19
GB9615248D0 (en) 1996-09-04
DE19626685A1 (de) 1997-01-23
FR2787854B1 (fr) 2007-04-06
US5813505A (en) 1998-09-29
FR2787854A1 (fr) 2000-06-30

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