CA2336584A1 - Control systems and methods for water injection in a turbine engine - Google Patents
Control systems and methods for water injection in a turbine engine Download PDFInfo
- Publication number
- CA2336584A1 CA2336584A1 CA002336584A CA2336584A CA2336584A1 CA 2336584 A1 CA2336584 A1 CA 2336584A1 CA 002336584 A CA002336584 A CA 002336584A CA 2336584 A CA2336584 A CA 2336584A CA 2336584 A1 CA2336584 A1 CA 2336584A1
- Authority
- CA
- Canada
- Prior art keywords
- water
- pressure compressor
- engine
- high pressure
- accordance
- 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.)
- Abandoned
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 288
- 238000002347 injection Methods 0.000 title claims abstract description 92
- 239000007924 injection Substances 0.000 title claims abstract description 92
- 238000000034 method Methods 0.000 title abstract description 4
- 238000010926 purge Methods 0.000 claims description 15
- 238000011144 upstream manufacturing Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims 1
- 239000007921 spray Substances 0.000 description 97
- 239000007789 gas Substances 0.000 description 26
- 230000008020 evaporation Effects 0.000 description 17
- 238000001704 evaporation Methods 0.000 description 17
- 230000008901 benefit Effects 0.000 description 15
- 230000002829 reductive effect Effects 0.000 description 11
- 239000002918 waste heat Substances 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000284 extract Substances 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 239000004519 grease Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000004913 activation Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000002123 temporal effect Effects 0.000 description 3
- 238000009529 body temperature measurement Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000037406 food intake Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 101001111265 Homo sapiens NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 10 Proteins 0.000 description 1
- 241000157049 Microtus richardsoni Species 0.000 description 1
- 102100024021 NADH dehydrogenase [ubiquinone] 1 beta subcomplex subunit 10 Human genes 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- RLQJEEJISHYWON-UHFFFAOYSA-N flonicamid Chemical compound FC(F)(F)C1=CC=NC=C1C(=O)NCC#N RLQJEEJISHYWON-UHFFFAOYSA-N 0.000 description 1
- -1 i.e. Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K21/00—Steam engine plants not otherwise provided for
- F01K21/04—Steam engine plants not otherwise provided for using mixtures of steam and gas; Plants generating or heating steam by bringing water or steam into direct contact with hot gas
- F01K21/047—Steam engine plants not otherwise provided for using mixtures of steam and gas; Plants generating or heating steam by bringing water or steam into direct contact with hot gas having at least one combustion gas turbine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/20—Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products
- F02C3/30—Adding water, steam or other fluids for influencing combustion, e.g. to obtain cleaner exhaust gases
- F02C3/305—Increasing the power, speed, torque or efficiency of a gas turbine or the thrust of a turbojet engine by injecting or adding water, steam or other fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/12—Cooling of plants
- F02C7/14—Cooling of plants of fluids in the plant, e.g. lubricant or fuel
- F02C7/141—Cooling of plants of fluids in the plant, e.g. lubricant or fuel of working fluid
- F02C7/143—Cooling of plants of fluids in the plant, e.g. lubricant or fuel of working fluid before or between the compressor stages
- F02C7/1435—Cooling of plants of fluids in the plant, e.g. lubricant or fuel of working fluid before or between the compressor stages by water injection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/22—Fuel supply systems
- F02C7/224—Heating fuel before feeding to the burner
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/5846—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps cooling by injection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/705—Adding liquids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/303—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/30—Control parameters, e.g. input parameters
- F05D2270/303—Temperature
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Nozzles (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Supercharger (AREA)
- Hydraulic Turbines (AREA)
- Jet Pumps And Other Pumps (AREA)
- Massaging Devices (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Laser Beam Processing (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US9409498P | 1998-07-24 | 1998-07-24 | |
| US60/094,094 | 1998-07-24 | ||
| US09/354,273 US6553753B1 (en) | 1998-07-24 | 1999-07-15 | Control systems and methods for water injection in a turbine engine |
| US09/354,273 | 1999-07-15 | ||
| PCT/US1999/016680 WO2000008327A2 (en) | 1998-07-24 | 1999-07-22 | Control systems and methods for water injection in a turbine engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2336584A1 true CA2336584A1 (en) | 2000-02-17 |
Family
ID=22242893
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002336584A Abandoned CA2336584A1 (en) | 1998-07-24 | 1999-07-22 | Control systems and methods for water injection in a turbine engine |
| CA2303316A Expired - Fee Related CA2303316C (en) | 1998-07-24 | 1999-07-22 | Nozzles for water injection in a turbine engine |
| CA002306487A Abandoned CA2306487A1 (en) | 1998-07-24 | 1999-07-22 | Methods and apparatus for water injection in a turbine engine |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2303316A Expired - Fee Related CA2303316C (en) | 1998-07-24 | 1999-07-22 | Nozzles for water injection in a turbine engine |
| CA002306487A Abandoned CA2306487A1 (en) | 1998-07-24 | 1999-07-22 | Methods and apparatus for water injection in a turbine engine |
Country Status (12)
| Country | Link |
|---|---|
| US (2) | US6467252B1 (enExample) |
| EP (2) | EP1040261B1 (enExample) |
| JP (2) | JP4498609B2 (enExample) |
| AT (3) | ATE340923T1 (enExample) |
| AU (2) | AU767058B2 (enExample) |
| BR (3) | BR9906626A (enExample) |
| CA (3) | CA2336584A1 (enExample) |
| DE (3) | DE69933362T2 (enExample) |
| ES (2) | ES2274654T3 (enExample) |
| NO (1) | NO20001525L (enExample) |
| TR (2) | TR200001047T1 (enExample) |
| WO (2) | WO2000008326A2 (enExample) |
Families Citing this family (49)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6449953B1 (en) * | 2000-04-28 | 2002-09-17 | General Electric Company | Methods for reducing gas turbine engine emissions |
| US6553768B1 (en) * | 2000-11-01 | 2003-04-29 | General Electric Company | Combined water-wash and wet-compression system for a gas turbine compressor and related method |
| FR2824597B1 (fr) † | 2001-05-11 | 2004-04-02 | Snecma Moteurs | Reduction de vibrations dans une structure comprenant un rotor et des sources de perturbation fixes |
| WO2003033890A1 (de) * | 2001-10-17 | 2003-04-24 | Alstom Technology Ltd | Verfahren zur konditionierung eines verdichterluftstromes sowie vorrichtung zur durchführung des verfahrens |
| GB2382847A (en) * | 2001-12-06 | 2003-06-11 | Alstom | Gas turbine wet compression |
| GB2382848A (en) * | 2001-12-06 | 2003-06-11 | Alstom | Gas turbine wet compression |
| WO2003058047A1 (de) * | 2002-01-07 | 2003-07-17 | Alstom Technology Ltd | Verfahren zum betrieb einer gasturbogruppe |
| SE0301585D0 (sv) * | 2003-05-30 | 2003-05-30 | Euroturbine Ab | Förfarande för drift av en gasturbingrupp |
| US7007484B2 (en) * | 2003-06-06 | 2006-03-07 | General Electric Company | Methods and apparatus for operating gas turbine engines |
| US7065955B2 (en) * | 2003-06-18 | 2006-06-27 | General Electric Company | Methods and apparatus for injecting cleaning fluids into combustors |
| US6938425B2 (en) * | 2003-08-11 | 2005-09-06 | Siemens Westinghouse Power Corporation | System and method for controlling water injection in a turbine engine |
| DE10352088A1 (de) * | 2003-11-07 | 2005-08-11 | Alstom Technology Ltd | Verfahren zum Betrieb einer Zerstäubungsvorrichtung |
| US7174788B2 (en) * | 2003-12-15 | 2007-02-13 | General Electric Company | Methods and apparatus for rotary machinery inspection |
| US7272933B2 (en) * | 2004-01-28 | 2007-09-25 | General Electric Company | Methods and apparatus for operating gas turbine engines |
| US7284377B2 (en) * | 2004-05-28 | 2007-10-23 | General Electric Company | Method and apparatus for operating an intercooler for a gas turbine engine |
| EP1635043A1 (de) * | 2004-09-10 | 2006-03-15 | Siemens Aktiengesellschaft | Turbine mit einer Sekundärgaszuführung |
| DE112006001149B4 (de) * | 2005-05-02 | 2013-04-04 | Vast Power Portfolio, Llc | Verfahren und Vorrichtung für die Nasskompression |
| US8033115B2 (en) * | 2006-01-05 | 2011-10-11 | General Electric Company | Water injection manifold pressure relief vent |
| US7607307B2 (en) * | 2006-01-06 | 2009-10-27 | General Electric Company | Methods and apparatus for controlling cooling air temperature in gas turbine engines |
| US20080047276A1 (en) * | 2006-08-25 | 2008-02-28 | Siemens Power Generation, Inc. | Combustion turbine having a single compressor with inter-cooling between stages |
| US8198744B2 (en) * | 2006-12-21 | 2012-06-12 | General Electric Company | Integrated boost cavity ring generator for turbofan and turboshaft engines |
| DE102007015309B4 (de) * | 2007-03-27 | 2023-01-05 | Ansaldo Energia Switzerland AG | Betriebsverfahren für eine Turbogruppe |
| DE102008003333A1 (de) | 2008-01-07 | 2009-07-09 | Dirk Landau | Brennkraftmaschine zur Erzeugung von Wärme und elektrischer Energie, ausgeführt als stromerzeugende Heizung |
| FR2931886B1 (fr) * | 2008-05-29 | 2011-10-14 | Snecma | Collecteur d'air dans une turbomachine. |
| US8381529B2 (en) * | 2009-01-29 | 2013-02-26 | General Electric Company | System and method for water injection in a turbine engine |
| US9546574B2 (en) * | 2010-12-28 | 2017-01-17 | Rolls-Royce Corporation | Engine liquid injection |
| US8567177B1 (en) | 2012-11-30 | 2013-10-29 | Yoganeck, LLC | Gas turbine engine system with water recycling feature |
| US10280843B2 (en) | 2014-03-07 | 2019-05-07 | United Technologies Corporation | Geared turbofan with integral front support and carrier |
| US10590849B2 (en) * | 2014-03-27 | 2020-03-17 | General Electric Company | High speed propulsion system with inlet cooling |
| US9833360B2 (en) | 2014-08-12 | 2017-12-05 | Tusker Medical, Inc. | Tympanostomy tube delivery device with replaceable shaft portion |
| GB201416928D0 (en) * | 2014-09-25 | 2014-11-12 | Rolls Royce Plc | A gas turbine and a method of washing a gas turbine engine |
| US20160237904A1 (en) * | 2015-02-13 | 2016-08-18 | General Electric Company | Systems and methods for controlling an inlet air temperature of an intercooled gas turbine engine |
| US9995314B2 (en) * | 2015-07-20 | 2018-06-12 | General Electric Company | Cooling system for a turbine engine |
| US10487739B2 (en) | 2015-07-20 | 2019-11-26 | General Electric Company | Cooling system for a turbine engine |
| US20170198635A1 (en) * | 2016-01-07 | 2017-07-13 | General Electric Company | High flow on-line water wash using sprint nozzle |
| US11112118B2 (en) * | 2016-06-27 | 2021-09-07 | General Electric Company | Gas turbine lower heating value methods and systems |
| US10323605B2 (en) | 2016-09-07 | 2019-06-18 | Ford Global Technologies, Llc | Method and system for engine water injection |
| JP6772925B2 (ja) | 2017-03-27 | 2020-10-21 | 株式会社Ihi | 燃焼装置及びガスタービンエンジンシステム |
| KR101967458B1 (ko) * | 2017-12-13 | 2019-04-09 | 현대오트론 주식회사 | 물분사 인젝터 고장진단 방법 및 이에 의해 운용되는 고장진단 장치 |
| KR101927506B1 (ko) | 2017-12-14 | 2018-12-11 | 현대오트론 주식회사 | 물분사 인젝터 고장진단 방법 및 이에 의해 운용되는 고장진단 장치 |
| US11834350B2 (en) | 2019-04-12 | 2023-12-05 | Micronic Technologies, Inc. | System and method for water treatment |
| CN111734689B (zh) * | 2020-07-02 | 2021-09-17 | 中国航发常州兰翔机械有限责任公司 | 一种航空发动机两级热态清洗装置及其工作方法 |
| JP2022067464A (ja) * | 2020-10-20 | 2022-05-06 | 株式会社Ihi | 圧縮装置およびガスタービンシステム |
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| WO2023014635A1 (en) * | 2021-08-03 | 2023-02-09 | Gts Research & Engineering, Llc | Injection techniques for gas turbine systems |
| US11702958B2 (en) | 2021-09-23 | 2023-07-18 | General Electric Company | System and method of regulating thermal transport bus pressure |
| US12410752B2 (en) | 2021-09-23 | 2025-09-09 | General Electric Company | System and method of detecting an airflow fault condition |
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| US12134984B1 (en) * | 2023-11-17 | 2024-11-05 | Rtx Corporation | Fluidic compressor inlet guide vanes |
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| JP2877098B2 (ja) * | 1995-12-28 | 1999-03-31 | 株式会社日立製作所 | ガスタービン，コンバインドサイクルプラント及び圧縮機 |
| DE19615911A1 (de) * | 1996-04-22 | 1997-10-23 | Asea Brown Boveri | Verfahren zum Betrieb einer Kombianlage |
| US5930990A (en) * | 1996-05-14 | 1999-08-03 | The Dow Chemical Company | Method and apparatus for achieving power augmentation in gas turbines via wet compression |
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| EP0859135A1 (en) * | 1997-02-17 | 1998-08-19 | N.V. Kema | Gas turbine with energy recovering |
| DE69836910T2 (de) * | 1997-04-22 | 2007-06-21 | Hitachi, Ltd. | Vorrichtung für eine gasturbine |
| US6012279A (en) * | 1997-06-02 | 2000-01-11 | General Electric Company | Gas turbine engine with water injection |
| SG104914A1 (en) | 1997-06-30 | 2004-07-30 | Hitachi Ltd | Gas turbine |
| EP0924410B1 (de) * | 1997-12-17 | 2003-09-24 | ALSTOM (Switzerland) Ltd | Verfahren zum Betrieb einer Gasturbogruppe |
| NL1011383C2 (nl) * | 1998-06-24 | 1999-12-27 | Kema Nv | Inrichting voor het comprimeren van een gasvormig medium en systemen die een dergelijke inrichting omvatten. |
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1999
- 1999-07-15 US US09/354,274 patent/US6467252B1/en not_active Expired - Lifetime
- 1999-07-15 US US09/354,273 patent/US6553753B1/en not_active Expired - Lifetime
- 1999-07-22 AT AT99966753T patent/ATE340923T1/de not_active IP Right Cessation
- 1999-07-22 DE DE69933362T patent/DE69933362T2/de not_active Expired - Lifetime
- 1999-07-22 WO PCT/US1999/016586 patent/WO2000008326A2/en not_active Ceased
- 1999-07-22 AT AT99958628T patent/ATE315171T1/de not_active IP Right Cessation
- 1999-07-22 JP JP2000563935A patent/JP4498609B2/ja not_active Expired - Fee Related
- 1999-07-22 ES ES99966753T patent/ES2274654T3/es not_active Expired - Lifetime
- 1999-07-22 CA CA002336584A patent/CA2336584A1/en not_active Abandoned
- 1999-07-22 AU AU15955/00A patent/AU767058B2/en not_active Ceased
- 1999-07-22 BR BR9906626-2A patent/BR9906626A/pt not_active IP Right Cessation
- 1999-07-22 AU AU14396/00A patent/AU767021B2/en not_active Ceased
- 1999-07-22 EP EP99966753A patent/EP1040261B1/en not_active Expired - Lifetime
- 1999-07-22 ES ES99965355T patent/ES2230914T3/es not_active Expired - Lifetime
- 1999-07-22 TR TR2000/01047T patent/TR200001047T1/xx unknown
- 1999-07-22 WO PCT/US1999/016679 patent/WO2000009875A2/en not_active Ceased
- 1999-07-22 BR BR9906627-0A patent/BR9906627A/pt not_active IP Right Cessation
- 1999-07-22 TR TR2000/00777T patent/TR200000777T1/xx unknown
- 1999-07-22 DE DE69929359T patent/DE69929359T2/de not_active Expired - Lifetime
- 1999-07-22 EP EP99958628A patent/EP1062415B1/en not_active Expired - Lifetime
- 1999-07-22 CA CA2303316A patent/CA2303316C/en not_active Expired - Fee Related
- 1999-07-22 CA CA002306487A patent/CA2306487A1/en not_active Abandoned
- 1999-07-22 JP JP2000565290A patent/JP4382283B2/ja not_active Expired - Lifetime
- 1999-07-22 DE DE69921336T patent/DE69921336T2/de not_active Expired - Lifetime
- 1999-07-22 BR BR9912403-3A patent/BR9912403A/pt not_active IP Right Cessation
- 1999-07-22 AT AT99965355T patent/ATE280323T1/de not_active IP Right Cessation
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2000
- 2000-03-23 NO NO20001525A patent/NO20001525L/no not_active Application Discontinuation
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| EEER | Examination request | ||
| FZDE | Discontinued |