KR100394915B1 - 연소 터빈의 상류에 인접 위치된 합성 가스 팽창기 - Google Patents
연소 터빈의 상류에 인접 위치된 합성 가스 팽창기 Download PDFInfo
- Publication number
- KR100394915B1 KR100394915B1 KR10-1999-7004200A KR19997004200A KR100394915B1 KR 100394915 B1 KR100394915 B1 KR 100394915B1 KR 19997004200 A KR19997004200 A KR 19997004200A KR 100394915 B1 KR100394915 B1 KR 100394915B1
- Authority
- KR
- South Korea
- Prior art keywords
- gas
- syngas
- combustor
- expander
- fuel
- Prior art date
Links
Classifications
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- 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
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas- turbine plants for special use
- F02C6/003—Gas-turbine plants with heaters between turbine stages
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- 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
- F02C3/22—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 the fuel or oxidant being gaseous at standard temperature and pressure
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- 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
- F02C3/26—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 the fuel or oxidant being solid or pulverulent, e.g. in slurry or suspension
- F02C3/28—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 the fuel or oxidant being solid or pulverulent, e.g. in slurry or suspension using a separate gas producer for gasifying the fuel before combustion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04521—Coupling of the air fractionation unit to an air gas-consuming unit, so-called integrated processes
- F25J3/04527—Integration with an oxygen consuming unit, e.g. glass facility, waste incineration or oxygen based processes in general
- F25J3/04533—Integration with an oxygen consuming unit, e.g. glass facility, waste incineration or oxygen based processes in general for the direct combustion of fuels in a power plant, so-called "oxyfuel combustion"
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04521—Coupling of the air fractionation unit to an air gas-consuming unit, so-called integrated processes
- F25J3/04527—Integration with an oxygen consuming unit, e.g. glass facility, waste incineration or oxygen based processes in general
- F25J3/04539—Integration with an oxygen consuming unit, e.g. glass facility, waste incineration or oxygen based processes in general for the H2/CO synthesis by partial oxidation or oxygen consuming reforming processes of fuels
- F25J3/04545—Integration with an oxygen consuming unit, e.g. glass facility, waste incineration or oxygen based processes in general for the H2/CO synthesis by partial oxidation or oxygen consuming reforming processes of fuels for the gasification of solid or heavy liquid fuels, e.g. integrated gasification combined cycle [IGCC]
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04763—Start-up or control of the process; Details of the apparatus used
- F25J3/04866—Construction and layout of air fractionation equipments, e.g. valves, machines
- F25J3/04969—Retrofitting or revamping of an existing air fractionation unit
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- 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
- F05D2220/00—Application
- F05D2220/70—Application in combination with
- F05D2220/72—Application in combination with a steam turbine
- F05D2220/722—Application in combination with a steam turbine as part of an integrated gasification combined cycle
-
- 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
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/211—Heat transfer, e.g. cooling by intercooling, e.g. during a compression cycle
-
- 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
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/212—Heat transfer, e.g. cooling by water injection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2240/00—Processes or apparatus involving steps for expanding of process streams
- F25J2240/80—Hot exhaust gas turbine combustion engine
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
- Y02E20/18—Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Industrial Gases (AREA)
Abstract
Description
Claims (10)
- 동력 발생 유닛의 효율을 증가시키기 위한 시스템으로서, 기화기 내 탄화수소 연료의 부분 산화 반응에 의해 상승된 온도 및 압력의 합성 가스가 소스에서 생성되며, 동력 발생 유닛 내에서 상기 합성 가스가 연료로서 사용되어 동력을 생성하는 동력 발생 유닛의 효율을 증가시키기 위한 시스템에 있어서,상기 시스템이 상기 동력 발생 유닛의 상류에 바로 인접하게 위치된 고온의 가스 팽창기; 상기 동력 발생 유닛으로부터의 공기 공급원에 직렬로 연결되는 하나 또는 그 이상의 열 교환기, 상기 열교환기와 직렬로 연결되는 공기 포화기, 및 상기 공기 포화기와 직렬로 연결되는 압축기; 상기 고온 가스 팽창기의 상류에 바로 인접하게 위치되는 연소기를 포함하는 것과, 그리고 또한 상기 가스 팽창기가 상기 연소기 주변의 바이패스를 통하여 상기 합성 가스의 소스에 연결되는 것과; 그리고 상기 바이패스가 상기 연소기를 벗어나는 상기 가스로부터 황을 제거하기 위한 고온 탈황 유닛을 포함하는 것을 특징으로 하는 동력 발생 유닛의 효율을 증가시키기 위한 시스템.
- 제 1 항에 있어서, 상기 고온의 가스 팽창기 상류에 합성 가스 포화기 및 열교환 설비를 더 포함하는 동력 발생 유닛의 효율을 증가시키기 위한 시스템.
- 제 1항에 있어서, 상기 동력 발생 유닛이 가스 터빈인 동력 발생 유닛의 효율을 증가시키기 위한 시스템.
- 동력 발생 유닛의 효율을 증가시키기 위한 시스템으로서, 기화기 내 탄화수소 연료의 부분 산화 반응에 의해 상승된 온도 및 압력의 합성 가스가 소스에서 생성되며, 동력 발생 유닛 내에서 상기 합성 가스가 연료로서 사용되어 동력을 생성하는 동력 발생 유닛의 효율을 증가시키기 위한 시스템에 있어서,상기 시스템이 상기 동력 발생 유닛의 상류에 바로 인접하게 위치된 고온의 가스 팽창기; 상기 고온 가스 팽창기의 상류에 바로 인접하게 위치되는 연소기; 상기 연소기와 직렬로 연결되는 고압 산소 소스를 포함하는 것과, 그리고 또한 상기 가스 팽창기가 상기 연소기 주변의 바이패스를 통하여 상기 합성 가스의 소스에 연결되는 것과; 그리고 상기 바이패스가 상기 연소기를 벗어나는 상기 가스로부터 황을 제거하기 위한 고온 탈황 유닛을 포함하는 것을 특징으로 하는 동력 발생 유닛의 효율을 증가시키기 위한 시스템.
- 동력 발생 시스템의 효율을 증가시키기 위한 방법으로서, 기화기 내 탄화수소 연료의 부분 산화 반응에 의해 상승된 온도 및 압력의 합성 가스가 발생되며, 상기 합성가스는 연료로 사용되어 연소 터빈 내에서 동력을 발생시키며, 그리고 상기 합성 가스가 상기 연소 터빈에 연료로 공급되기 이전에 정화 및 냉각되는 방법에 있어서,(a) 상기 합성 가스의 일부를 연소시켜 연소 가스를 생성하는 단계;(b) 상기 연소 가스와 상기 합성 가스의 연소되지 않은 부분을 혼합시켜 혼합 가스 혼합제를 형성하는 단계;(c) 상기 혼합 가스 혼합제를 탈황시키는 단계;(d) 팽창 유닛에서 압력을 줄임으로써 상기 혼합 가스 혼합제의 체적을 팽창시켜 팽창 가스 혼합제를 형성하는 단계; 그리고(e) 상기 팽창된 가스 혼합제를 상기 연소 터빈용 연료로서 사용하기 바로 전에 상기 팽창 유닛에 연결된 발전기에서 상기 팽창 가스 혼합제로부터 동력을 추출하는 단계를 포함하는 것을 특징으로 하는 동력 발생 유닛의 효율을 증가시키기 위한 방법.
- 제 5항에 있어서, 상기 단계 (c)의 탈황 단계가 고온 탈황 단계인 동력 발생 유닛의 효율을 증가시키기 위한 방법.
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Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US5874797P | 1997-09-12 | 1997-09-12 | |
US60/058,747 | 1997-09-12 | ||
US09/139,917 US6061936A (en) | 1997-09-12 | 1998-08-26 | Synthesis gas expander located immediately upstream of combustion turbine |
US09/139,917 | 1998-08-26 | ||
US9/139,917 | 1998-08-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000068968A KR20000068968A (ko) | 2000-11-25 |
KR100394915B1 true KR100394915B1 (ko) | 2003-08-19 |
Family
ID=26737989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-1999-7004200A KR100394915B1 (ko) | 1997-09-12 | 1998-09-02 | 연소 터빈의 상류에 인접 위치된 합성 가스 팽창기 |
Country Status (12)
Country | Link |
---|---|
US (1) | US6061936A (ko) |
EP (1) | EP0964986B1 (ko) |
JP (1) | JP3462222B2 (ko) |
KR (1) | KR100394915B1 (ko) |
CN (1) | CN1239533A (ko) |
AU (1) | AU733814B2 (ko) |
BR (1) | BR9806240A (ko) |
CA (1) | CA2271660C (ko) |
DE (1) | DE69825868T2 (ko) |
ES (1) | ES2230717T3 (ko) |
TW (1) | TW384350B (ko) |
WO (1) | WO1999014473A1 (ko) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6314715B1 (en) * | 1999-06-03 | 2001-11-13 | General Electric Co. | Modified fuel gas turbo-expander for oxygen blown gasifiers and related method |
US6998098B2 (en) | 2002-11-11 | 2006-02-14 | Conocophillips Company | Removal of gases from a feed |
US20100071381A1 (en) * | 2006-07-28 | 2010-03-25 | Rollins Iii William S | High efficiency integrated gasification combined cycle power plant |
US7739875B2 (en) * | 2006-08-07 | 2010-06-22 | General Electric Company | Syngas power systems and method for use thereof |
US8163047B2 (en) * | 2007-01-10 | 2012-04-24 | General Electric Company | Methods and apparatus for cooling syngas in a gasifier |
US7749290B2 (en) * | 2007-01-19 | 2010-07-06 | General Electric Company | Methods and apparatus to facilitate cooling syngas in a gasifier |
US7670574B2 (en) * | 2007-01-19 | 2010-03-02 | General Electric Company | Methods and apparatus to facilitate cooling syngas in a gasifier |
US7861509B2 (en) | 2007-01-23 | 2011-01-04 | General Electric Company | Methods and systems for gas turbine syngas warm-up with low emissions |
US8506660B2 (en) * | 2007-09-12 | 2013-08-13 | General Electric Company | Nozzles for use with gasifiers and methods of assembling the same |
DE102008026267A1 (de) | 2008-06-02 | 2009-12-03 | Uhde Gmbh | Modifizierter Gas- und Dampfturbinenprozess mit integrierter Kohledruckvergasung |
EP2230389A1 (de) * | 2009-01-26 | 2010-09-22 | Siemens Aktiengesellschaft | Synthesegasbrennstoffsystem sowie ein Verfahren zum Betrieb eines Synthesegasbrennstoffsystems |
US8268896B2 (en) * | 2009-08-07 | 2012-09-18 | Gas Technology Institute | Co-production of fuels, chemicals and electric power using gas turbines |
US8992640B2 (en) | 2011-02-07 | 2015-03-31 | General Electric Company | Energy recovery in syngas applications |
US20130305738A1 (en) * | 2012-05-17 | 2013-11-21 | General Electric Company | System and method for producing hydrogen rich fuel |
NL2014786B1 (en) * | 2015-05-11 | 2017-01-26 | Dahlman Renewable Tech B V | Method and systems for treating synthesis gas. |
RU2600924C1 (ru) * | 2015-06-19 | 2016-10-27 | Общество с ограниченной ответственностью "Научно-исследовательский центр "Полимерные соединения" | Способ получения фармацевтической композиции эритромицина |
WO2017036431A1 (en) * | 2015-08-31 | 2017-03-09 | Otevřel Marek | Equipment for gas turbine output increasing and efficiency improvement |
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US2592749A (en) * | 1947-01-16 | 1952-04-15 | Rateau Soc | Gas turbine engine associated with a gas producer under pressure |
US4199933A (en) * | 1973-12-22 | 1980-04-29 | Bbc Brown Boveri & Company Limited | Power plant with pressurized-gas generator |
US4733528A (en) * | 1984-03-02 | 1988-03-29 | Imperial Chemical Industries Plc | Energy recovery |
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Publication number | Priority date | Publication date | Assignee | Title |
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DE2437782C3 (de) * | 1974-08-06 | 1981-01-08 | Steag Ag, 4300 Essen | Verfahren zum Anfahren einer Gasturbinen-Anlage zur Stromerzeugung aus Brenngas von einem Kohle-Druckvergaser |
EP0474894B1 (de) * | 1990-09-10 | 1995-03-22 | Asea Brown Boveri Ag | Gasturbinenanordnung |
GB9105095D0 (en) * | 1991-03-11 | 1991-04-24 | H & G Process Contracting | Improved clean power generation |
US5220782A (en) * | 1991-10-23 | 1993-06-22 | Bechtel Group, Inc. | Efficient low temperature solvent removal of acid gases |
US5345756A (en) | 1993-10-20 | 1994-09-13 | Texaco Inc. | Partial oxidation process with production of power |
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1998
- 1998-08-26 US US09/139,917 patent/US6061936A/en not_active Expired - Lifetime
- 1998-09-02 DE DE69825868T patent/DE69825868T2/de not_active Expired - Lifetime
- 1998-09-02 EP EP98944690A patent/EP0964986B1/en not_active Expired - Lifetime
- 1998-09-02 CA CA002271660A patent/CA2271660C/en not_active Expired - Fee Related
- 1998-09-02 KR KR10-1999-7004200A patent/KR100394915B1/ko not_active IP Right Cessation
- 1998-09-02 JP JP51790199A patent/JP3462222B2/ja not_active Expired - Fee Related
- 1998-09-02 ES ES98944690T patent/ES2230717T3/es not_active Expired - Lifetime
- 1998-09-02 WO PCT/US1998/018255 patent/WO1999014473A1/en active IP Right Grant
- 1998-09-02 BR BR9806240-9A patent/BR9806240A/pt not_active Application Discontinuation
- 1998-09-02 CN CN98801387A patent/CN1239533A/zh active Pending
- 1998-09-02 AU AU92167/98A patent/AU733814B2/en not_active Expired
- 1998-09-17 TW TW087115171A patent/TW384350B/zh not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US2592749A (en) * | 1947-01-16 | 1952-04-15 | Rateau Soc | Gas turbine engine associated with a gas producer under pressure |
US4199933A (en) * | 1973-12-22 | 1980-04-29 | Bbc Brown Boveri & Company Limited | Power plant with pressurized-gas generator |
US4733528A (en) * | 1984-03-02 | 1988-03-29 | Imperial Chemical Industries Plc | Energy recovery |
Also Published As
Publication number | Publication date |
---|---|
JP2001506344A (ja) | 2001-05-15 |
EP0964986A4 (en) | 2002-01-09 |
EP0964986B1 (en) | 2004-08-25 |
DE69825868D1 (de) | 2004-09-30 |
AU9216798A (en) | 1999-04-05 |
CA2271660C (en) | 2002-04-09 |
US6061936A (en) | 2000-05-16 |
JP3462222B2 (ja) | 2003-11-05 |
CA2271660A1 (en) | 1999-03-25 |
AU733814B2 (en) | 2001-05-24 |
EP0964986A1 (en) | 1999-12-22 |
DE69825868T2 (de) | 2005-01-05 |
BR9806240A (pt) | 2000-03-28 |
TW384350B (en) | 2000-03-11 |
WO1999014473A1 (en) | 1999-03-25 |
ES2230717T3 (es) | 2005-05-01 |
KR20000068968A (ko) | 2000-11-25 |
CN1239533A (zh) | 1999-12-22 |
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