DE69523959D1 - Schraubenkolbenmaschine - Google Patents
SchraubenkolbenmaschineInfo
- Publication number
- DE69523959D1 DE69523959D1 DE69523959T DE69523959T DE69523959D1 DE 69523959 D1 DE69523959 D1 DE 69523959D1 DE 69523959 T DE69523959 T DE 69523959T DE 69523959 T DE69523959 T DE 69523959T DE 69523959 D1 DE69523959 D1 DE 69523959D1
- Authority
- DE
- Germany
- Prior art keywords
- piston machine
- screw piston
- screw
- machine
- piston
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/08—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by varying the rotational speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/082—Details specially related to intermeshing engagement type pumps
- F04C18/084—Toothed wheels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/082—Details specially related to intermeshing engagement type pumps
- F04C18/088—Elements in the toothed wheels or the carter for relieving the pressure of fluid imprisoned in the zones of engagement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/001—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of similar working principle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/005—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of dissimilar working principle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/10—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber
- F04C28/16—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber using lift valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
- F04C29/0085—Prime movers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/40—Electric motor
- F04C2240/402—Plurality of electronically synchronised motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C25/00—Adaptations of pumps for special use of pumps for elastic fluids
- F04C25/02—Adaptations of pumps for special use of pumps for elastic fluids for producing high vacuum
-
- 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
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19949—Teeth
- Y10T74/19953—Worm and helical
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Non-Positive Displacement Air Blowers (AREA)
- Gear Transmission (AREA)
- Gears, Cams (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21816394A JP3593365B2 (ja) | 1994-08-19 | 1994-08-19 | ねじれ角可変型歯車 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69523959D1 true DE69523959D1 (de) | 2001-12-20 |
DE69523959T2 DE69523959T2 (de) | 2002-04-04 |
Family
ID=16715625
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69520246T Expired - Fee Related DE69520246T2 (de) | 1994-08-19 | 1995-08-18 | Schraubenkolbenmaschine |
DE69525550T Expired - Fee Related DE69525550T2 (de) | 1994-08-19 | 1995-08-18 | Schraubenkolbenmaschine |
DE69523959T Expired - Fee Related DE69523959T2 (de) | 1994-08-19 | 1995-08-18 | Schraubenkolbenmaschine |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69520246T Expired - Fee Related DE69520246T2 (de) | 1994-08-19 | 1995-08-18 | Schraubenkolbenmaschine |
DE69525550T Expired - Fee Related DE69525550T2 (de) | 1994-08-19 | 1995-08-18 | Schraubenkolbenmaschine |
Country Status (4)
Country | Link |
---|---|
US (3) | US5674063A (de) |
EP (3) | EP0937894B1 (de) |
JP (1) | JP3593365B2 (de) |
DE (3) | DE69520246T2 (de) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100190310B1 (ko) * | 1992-09-03 | 1999-06-01 | 모리시따 요오이찌 | 진공배기장치 |
KR0133154B1 (ko) * | 1994-08-22 | 1998-04-20 | 이종대 | 무단 압축형 스크류식 진공펌프 |
JP3777490B2 (ja) * | 1997-01-31 | 2006-05-24 | 株式会社荏原製作所 | 送液装置及びその制御方法 |
DE19745616A1 (de) | 1997-10-10 | 1999-04-15 | Leybold Vakuum Gmbh | Gekühlte Schraubenvakuumpumpe |
US6241486B1 (en) * | 1998-03-18 | 2001-06-05 | Flowserve Management Company | Compact sealless screw pump |
DE19820622A1 (de) * | 1998-05-09 | 1999-11-11 | Peter Frieden | Demontierbare Vielzweckpumpe oder -kompressor für Chemie-, Verfahrens-, Lebensmittel- und Vakuumtechnik |
JP3668616B2 (ja) * | 1998-09-17 | 2005-07-06 | 株式会社日立産機システム | オイルフリースクリュー圧縮機 |
DE59811390D1 (de) | 1998-10-23 | 2004-06-17 | Busch Sa Atel | Zwillings-Förderschraubenrotoren |
US6257195B1 (en) | 2000-02-14 | 2001-07-10 | Arthur Vanmoor | Internal combustion engine with substantially continuous fuel feed and power output |
AU6390600A (en) | 1999-07-29 | 2001-02-19 | Jonathan B. Rosefsky | Ribbon drive propulsion system and method |
US7018170B2 (en) * | 1999-07-29 | 2006-03-28 | Rosefsky Jonathan B | Ribbon drive pumping apparatus and method with added fluid |
US6527520B2 (en) | 1999-07-29 | 2003-03-04 | Jonathan B. Rosefsky | Ribbon drive pumping with centrifugal contaminant removal |
JP3859052B2 (ja) * | 2000-06-13 | 2006-12-20 | アイシン・エィ・ダブリュ株式会社 | 駆動装置 |
CH694339A9 (de) | 2000-07-25 | 2005-03-15 | Busch Sa Atel | Zwillingsschraubenrotoren und solche enthaltende Ve rdraengermaschinen. |
WO2002033262A1 (en) | 2000-10-18 | 2002-04-25 | Leybold Vakuum Gmbh | Multi-stage helical screw rotor |
JP3941452B2 (ja) * | 2001-10-17 | 2007-07-04 | 株式会社豊田自動織機 | 真空ポンプにおける運転停止制御方法及び運転停止制御装置 |
US7682136B2 (en) * | 2003-03-28 | 2010-03-23 | Caterpillar Inc. | Multiple pump housing |
KR100497982B1 (ko) * | 2004-10-01 | 2005-07-01 | (주)엘오티베큠 | 루츠형 로터와 스크루형 로터를 지닌 복합 드라이 진공펌프 |
EP1643129B1 (de) * | 2004-10-01 | 2008-05-14 | LOT Vacuum Co., Ltd. | Mehrstufige trockenverdichtende Vakuumpumpe mit einem Roots-rotor und einem Schraubenrotor |
EP1846642B1 (de) * | 2005-02-07 | 2019-05-22 | Carrier Corporation | Schraubenverdichterschmierung |
NL1029531C2 (nl) * | 2005-07-15 | 2007-01-16 | Hpg Nederland Bv | Tandwiel en tandwieloverbrenging. |
EP1931878B1 (de) * | 2005-10-03 | 2020-07-22 | Flowrox Oy | Pumpe mit einem Dichtungsteil |
DE102006021704B4 (de) * | 2006-05-10 | 2018-01-04 | Gea Refrigeration Germany Gmbh | Schraubenverdichter für große Antriebsleistungen |
TWI438342B (zh) * | 2006-07-28 | 2014-05-21 | Lot Vacuum Co Ltd | 具有魯式與螺旋轉子之複合型乾式真空幫浦 |
US8459957B2 (en) * | 2006-10-16 | 2013-06-11 | Hitachi Industrial Equipment Systems, Co., Ltd. | Water-injected compressor |
US20080181803A1 (en) * | 2007-01-26 | 2008-07-31 | Weinbrecht John F | Reflux gas compressor |
KR101012291B1 (ko) * | 2008-10-06 | 2011-02-08 | 경원기계공업(주) | 스크류 압축기용 로우터의 치형 |
US8328542B2 (en) * | 2008-12-31 | 2012-12-11 | General Electric Company | Positive displacement rotary components having main and gate rotors with axial flow inlets and outlets |
WO2010108236A1 (en) * | 2009-03-27 | 2010-09-30 | Sprintex Australasia Pty Ltd | A compressor |
DE102009017886A1 (de) * | 2009-04-17 | 2010-10-21 | Oerlikon Leybold Vacuum Gmbh | Schraubenvakuumpumpe |
DE102009017887A1 (de) * | 2009-04-17 | 2010-10-21 | Oerlikon Leybold Vacuum Gmbh | Grobpumpverfahren für eine Verdrängerpumpe |
EP2275683B1 (de) | 2009-06-18 | 2017-01-11 | Maag Pump Systems AG | Verfahren zur Steuerung einer Zahnradpumpe |
US8764424B2 (en) | 2010-05-17 | 2014-07-01 | Tuthill Corporation | Screw pump with field refurbishment provisions |
EP2439411B1 (de) * | 2010-10-06 | 2017-08-23 | LEONARDO S.p.A. | Pumpenanordnung, insbesondere für Hubschrauberschmierung |
JP5383632B2 (ja) * | 2010-11-26 | 2014-01-08 | 株式会社神戸製鋼所 | スクリュ圧縮機 |
CN102808771B (zh) * | 2012-08-14 | 2015-01-07 | 东北大学 | 等齿顶宽的单头变螺距螺杆转子 |
DE102013102032A1 (de) * | 2013-03-01 | 2014-09-04 | Netzsch Pumpen & Systeme Gmbh | Schraubenspindelpumpe |
DE102014017072A1 (de) | 2014-11-20 | 2016-05-25 | Itt Bornemann Gmbh | Vorrichtung zum Fördern eines Mediums |
GB2537635A (en) * | 2015-04-21 | 2016-10-26 | Edwards Ltd | Pump |
CN109065333A (zh) * | 2018-08-21 | 2018-12-21 | 李涵 | 一种高压变压器养护方法 |
US11493043B2 (en) * | 2018-12-18 | 2022-11-08 | Atlas Copco Airpower, Naamloze Vennootschap | Positive displacement machine with kinematic synchronization coupling and with driven moving parts having their own individual drives |
PL3899206T3 (pl) * | 2018-12-18 | 2023-07-24 | Atlas Copco Airpower, Naamloze Vennootschap | Maszyna objętościowa, taka jak sprężarka, rozprężarka, pompa itp. do przemieszczania ośrodka oraz stosowany w niej sposób |
CN112780563A (zh) * | 2019-11-07 | 2021-05-11 | 中国石油化工股份有限公司 | 双级干式真空泵 |
BE1029442B1 (nl) | 2021-05-27 | 2023-01-09 | Atlas Copco Airpower Nv | Element voor het samenpersen van een gas en werkwijze voor het regelen van dergelijk element |
FR3141219A1 (fr) * | 2022-10-24 | 2024-04-26 | Pfeiffer Vacuum | Groupe de pompage |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB419338A (en) * | 1933-01-03 | 1934-11-09 | British Thomson Houston Co Ltd | Improvements in and relating to screw pumps or compressors |
FR789211A (fr) * | 1935-04-24 | 1935-10-25 | Cfcmug | Moteur ou compresseur volumétrique rotatif |
DE690990C (de) * | 1938-02-05 | 1940-05-14 | Franz Burghauser Dipl Ing | Knetpumpe |
US2519913A (en) * | 1943-08-21 | 1950-08-22 | Jarvis C Marble | Helical rotary compressor with pressure and volume regulating means |
US2652192A (en) * | 1947-06-13 | 1953-09-15 | Curtiss Wright Corp | Compound-lead screw compressor or fluid motor |
FR1500160A (fr) * | 1966-07-29 | 1967-11-03 | Perfectionnements aux compresseurs et moteurs rotatifs | |
GB1248031A (en) * | 1967-09-21 | 1971-09-29 | Edwards High Vacuum Int Ltd | Two-stage rotary vacuum pumps |
US3807911A (en) * | 1971-08-02 | 1974-04-30 | Davey Compressor Co | Multiple lead screw compressor |
US3809510A (en) * | 1973-03-22 | 1974-05-07 | Philco Ford Corp | Combination pressure relief and anti-slugging valve for a screw compressor |
US3869227A (en) * | 1974-03-08 | 1975-03-04 | Vilter Manufacturing Corp | Variable capacity rotary screw compressor having variable high pressure suction fluid inlets |
JPS5411511A (en) * | 1977-06-29 | 1979-01-27 | Hitachi Ltd | Screw compressor |
SU956840A1 (ru) * | 1981-02-27 | 1982-09-07 | Предприятие П/Я А-3884 | Винтовой компрессор |
US4504201A (en) * | 1982-11-22 | 1985-03-12 | The Boc Group Plc | Mechanical pumps |
JPH079239B2 (ja) * | 1984-04-11 | 1995-02-01 | 株式会社日立製作所 | スクリュー真空ポンプ |
DE3434694A1 (de) * | 1984-09-21 | 1986-04-10 | Bitzer Kühlmaschinenbau GmbH & Co KG, 7032 Sindelfingen | Schraubenverdichter fuer gasfoermige medien |
US4782802A (en) * | 1987-01-20 | 1988-11-08 | General Motors Corporation | Positive displacement rotary mechanism |
JPH03111690A (ja) * | 1989-09-22 | 1991-05-13 | Tokuda Seisakusho Ltd | 真空ポンプ |
FR2668209B1 (fr) * | 1990-10-18 | 1994-11-18 | Hitachi Koki Kk | Pompe d'aspiration moleculaire. |
US5348453A (en) * | 1990-12-24 | 1994-09-20 | James River Corporation Of Virginia | Positive displacement screw pump having pressure feedback control |
FR2688264A1 (fr) * | 1992-03-04 | 1993-09-10 | Snecma | Redresseur de turbomachine a aubes ayant une face alveolee chargee en materiau composite. |
-
1994
- 1994-08-19 JP JP21816394A patent/JP3593365B2/ja not_active Expired - Fee Related
-
1995
- 1995-08-17 US US08/516,283 patent/US5674063A/en not_active Expired - Fee Related
- 1995-08-18 EP EP99108729A patent/EP0937894B1/de not_active Expired - Lifetime
- 1995-08-18 EP EP99201374A patent/EP0937895B1/de not_active Expired - Lifetime
- 1995-08-18 DE DE69520246T patent/DE69520246T2/de not_active Expired - Fee Related
- 1995-08-18 EP EP95305786A patent/EP0697523B1/de not_active Expired - Lifetime
- 1995-08-18 DE DE69525550T patent/DE69525550T2/de not_active Expired - Fee Related
- 1995-08-18 DE DE69523959T patent/DE69523959T2/de not_active Expired - Fee Related
-
1997
- 1997-03-13 US US08/815,955 patent/US5836754A/en not_active Expired - Lifetime
- 1997-05-29 US US08/865,157 patent/US5829957A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0697523B1 (de) | 2001-03-07 |
US5674063A (en) | 1997-10-07 |
EP0937894A2 (de) | 1999-08-25 |
EP0697523A3 (de) | 1996-04-17 |
DE69525550D1 (de) | 2002-03-28 |
US5836754A (en) | 1998-11-17 |
JPH0861466A (ja) | 1996-03-08 |
EP0697523A2 (de) | 1996-02-21 |
JP3593365B2 (ja) | 2004-11-24 |
US5829957A (en) | 1998-11-03 |
DE69520246D1 (de) | 2001-04-12 |
EP0937895A2 (de) | 1999-08-25 |
DE69520246T2 (de) | 2001-07-05 |
EP0937894A3 (de) | 2000-01-05 |
DE69523959T2 (de) | 2002-04-04 |
EP0937895A3 (de) | 2000-01-05 |
EP0937895B1 (de) | 2001-11-14 |
EP0937894B1 (de) | 2002-02-20 |
DE69525550T2 (de) | 2002-08-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |