ATE251718T1 - Rotor - Google Patents

Rotor

Info

Publication number
ATE251718T1
ATE251718T1 AT96921830T AT96921830T ATE251718T1 AT E251718 T1 ATE251718 T1 AT E251718T1 AT 96921830 T AT96921830 T AT 96921830T AT 96921830 T AT96921830 T AT 96921830T AT E251718 T1 ATE251718 T1 AT E251718T1
Authority
AT
Austria
Prior art keywords
pct
rotor
sec
rotate
central axis
Prior art date
Application number
AT96921830T
Other languages
English (en)
Inventor
Jayden David Harman
Harbour
Original Assignee
Jayden David Harman
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27157875&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE251718(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from AUPN4072A external-priority patent/AUPN407295A0/en
Priority claimed from AUPN5249A external-priority patent/AUPN524995A0/en
Priority claimed from AUPN8580A external-priority patent/AUPN858096A0/en
Application filed by Jayden David Harman filed Critical Jayden David Harman
Application granted granted Critical
Publication of ATE251718T1 publication Critical patent/ATE251718T1/de

Links

Classifications

    • 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/38—Blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/12—Blades; Blade-carrying rotors
    • F03B3/121—Blades, their form or construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/04—Blade-carrying members, e.g. rotors for radial-flow machines or engines
    • F01D5/043—Blade-carrying members, e.g. rotors for radial-flow machines or engines of the axial inlet- radial outlet, or vice versa, type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/04—Blade-carrying members, e.g. rotors for radial-flow machines or engines
    • F01D5/043—Blade-carrying members, e.g. rotors for radial-flow machines or engines of the axial inlet- radial outlet, or vice versa, type
    • F01D5/048—Form or construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • 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
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/2261—Rotors specially for centrifugal pumps with special measures
    • F04D29/2272—Rotors specially for centrifugal pumps with special measures for influencing flow or boundary layer
    • 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
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/2261—Rotors specially for centrifugal pumps with special measures
    • F04D29/2277—Rotors specially for centrifugal pumps with special measures for increasing NPSH or dealing with liquids near boiling-point
    • 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
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/24—Vanes
    • F04D29/242—Geometry, shape
    • F04D29/245—Geometry, shape for special effects
    • 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/30—Vanes
    • 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
    • F05B2200/00—Mathematical features
    • F05B2200/20—Special functions
    • F05B2200/23—Logarithm
    • 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
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • 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
    • F05D2200/00—Mathematical features
    • F05D2200/20—Special functions
    • F05D2200/23—Logarithm
    • 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
    • F05D2240/00—Components
    • F05D2240/20—Rotors
    • F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy
    • 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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S416/00—Fluid reaction surfaces, i.e. impellers
    • Y10S416/02—Formulas of curves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Centrifugal Separators (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Hydraulic Motors (AREA)
AT96921830T 1995-07-10 1996-07-08 Rotor ATE251718T1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AUPN4072A AUPN407295A0 (en) 1995-07-10 1995-07-10 Turbine rotor
AUPN5249A AUPN524995A0 (en) 1995-09-05 1995-09-05 Pump
AUPN8580A AUPN858096A0 (en) 1996-03-11 1996-03-11 Rotor
PCT/AU1996/000427 WO1997003291A1 (en) 1995-07-10 1996-07-08 A rotor

Publications (1)

Publication Number Publication Date
ATE251718T1 true ATE251718T1 (de) 2003-10-15

Family

ID=27157875

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96921830T ATE251718T1 (de) 1995-07-10 1996-07-08 Rotor

Country Status (15)

Country Link
US (1) US5934877A (de)
EP (1) EP0837989B1 (de)
JP (1) JPH11513091A (de)
KR (1) KR100445508B1 (de)
CN (1) CN1063256C (de)
AT (1) ATE251718T1 (de)
CA (1) CA2226486C (de)
DE (1) DE69630303T2 (de)
DK (1) DK0837989T3 (de)
ES (1) ES2206583T3 (de)
IL (1) IL122889A (de)
MX (1) MX9800299A (de)
PT (1) PT837989E (de)
RU (1) RU2168066C2 (de)
WO (1) WO1997003291A1 (de)

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CA2405497C (en) * 1999-11-25 2009-01-27 Jayden David Harman A single or multi-bladed rotor
FR2811380B1 (fr) * 2000-07-06 2002-10-18 Pierre Claude Marie Moreau Rotor a fluide en forme de galaxie spiralee
US6368078B1 (en) * 2000-11-27 2002-04-09 John F. Palumbo Bladeless turbocharger
RU2205982C2 (ru) * 2001-05-14 2003-06-10 Байбиков Александр Сергеевич Рабочий орган центробежного насоса
AUPR982302A0 (en) * 2002-01-03 2002-01-31 Pax Fluid Systems Inc. A fluid flow controller
WO2003056139A1 (en) * 2002-01-03 2003-07-10 Pax Scientific, Inc. A single or multiple bladed rotor
DE03726967T1 (de) * 2002-01-03 2005-05-04 Pax Scient Inc Wirbelringerzeuger
AUPR982502A0 (en) * 2002-01-03 2002-01-31 Pax Fluid Systems Inc. A heat exchanger
AU2003903386A0 (en) * 2003-07-02 2003-07-17 Pax Scientific, Inc Fluid flow control device
US20050047943A1 (en) * 2003-08-29 2005-03-03 Jarrah Yousef M. Compressor surge prevention via distinct blade shapes
RU2258154C2 (ru) * 2003-09-08 2005-08-10 Волгоградская государственная сельскохозяйственная академия Гидроэлектрическая установка
CN1875193A (zh) * 2003-11-04 2006-12-06 百思科技公司 流体循环系统
CN1985093A (zh) * 2004-01-30 2007-06-20 百思科技公司 用于离心通风机、泵或涡轮机的机罩
KR20070012357A (ko) * 2004-01-30 2007-01-25 팍스 싸이언티픽 인코퍼레이션 원심 팬, 펌프 또는 터빈용 하우징
RU2305191C2 (ru) * 2005-11-07 2007-08-27 Игорь Борисович Беклемишев Роторная гидромашина
USD570996S1 (en) 2006-09-25 2008-06-10 Pax Scientific, Inc. Rotor
WO2008042251A2 (en) 2006-09-29 2008-04-10 Pax Streamline, Inc. Axial flow fan
USD570999S1 (en) 2006-11-22 2008-06-10 Pax Scientific, Inc. Rotor
WO2009051793A1 (en) * 2007-10-18 2009-04-23 Pax Scientific, Inc. Structures
US7473025B1 (en) * 2008-01-31 2009-01-06 Spx Corporation Mixing impeller with spiral leading edge
US20090308472A1 (en) * 2008-06-15 2009-12-17 Jayden David Harman Swirl Inducer
US9328717B1 (en) * 2009-04-27 2016-05-03 James A. Walker Golden ratio axial flow apparatus
US20120076656A1 (en) * 2010-09-29 2012-03-29 Abass Omar Nabil Horizontal Axis Logarithmic Spiral Fluid Turbine
US20140345696A1 (en) * 2011-11-09 2014-11-27 Jayden Harman Atmospheric circulation system and method
US8926261B2 (en) 2012-04-18 2015-01-06 4Sphere Llc Turbine assembly
ES2495216B1 (es) * 2013-03-12 2015-09-17 Marc GARRETA CUBO Turbina hidráulica
US10252784B2 (en) 2013-03-15 2019-04-09 John Ioan Restea Apparatus for propelling fluid, especially for propulsion of a floating vehicle
EA027357B1 (ru) * 2013-06-16 2017-07-31 Акционерное Общество "Казахский Агротехнический Университет Имени Сакена Сейфуллина" Гидроэнергетическая установка и способ ее работы
US11944946B2 (en) 2013-06-28 2024-04-02 Saint-Gobain Performance Plastics Corporation Mixing assemblies including magnetic impellers
US9731256B2 (en) 2013-08-12 2017-08-15 Jay G. Dinnison Mixing impeller with leading edges minimizing accumulations on blades
WO2015035054A1 (en) * 2013-09-05 2015-03-12 Real Newenergy, Llc Water turbine drive system
CN103482074B (zh) * 2013-09-28 2015-06-17 魏伯卿 涡螺气垫增力推进器
ES2810352T3 (es) 2014-04-08 2021-03-08 Cleanfuture Energy Co Ltd Hélice resistente a la pérdida de paso elevado
US10766796B2 (en) 2015-06-12 2020-09-08 Ugsi Solutions, Inc. Chemical injection and control system and method for controlling chloramines
CN107061355A (zh) * 2015-12-30 2017-08-18 熵零技术逻辑工程院集团股份有限公司 螺旋流体通道压气机
US10273970B2 (en) * 2016-01-27 2019-04-30 John A. Kozel Construction of articles of manufacture of fiber reinforced structural composites
CN105697224B (zh) * 2016-02-02 2016-09-28 河海大学 一种利用潮流能发电的斐波那契螺旋形水轮机
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CN107083995A (zh) * 2016-02-14 2017-08-22 熵零技术逻辑工程院集团股份有限公司 一种动力产生方法
CN107083996A (zh) * 2016-02-14 2017-08-22 熵零技术逻辑工程院集团股份有限公司 一种动力产生方法
CN107083998A (zh) * 2016-02-15 2017-08-22 熵零技术逻辑工程院集团股份有限公司 涡旋流体通道透平
US11286176B2 (en) 2016-06-30 2022-03-29 Ugsi Solutions, Inc. Methods and system for evaluating and maintaining disinfectant levels in a potable water supply
US11534672B2 (en) * 2016-11-08 2022-12-27 Ka'ana Wave Company Inc. Wave producing method and apparatus
CN106640757B (zh) * 2016-11-24 2018-08-31 西安交通大学 一种多翼离心风机及其分组设计方法
CA3065512A1 (en) 2017-05-31 2018-12-06 Ugsi Solutions, Inc. Chemical injection control system and method for controlling chloramines
IT201700061933A1 (it) * 2017-06-07 2018-12-07 Paolo Bortolin Dispositivo per il trattamento di liquidi
CA3077602C (en) 2017-09-19 2024-10-29 Clearwater 1, Inc. Chemical control systems and methods for controlling disinfectants
BR112020013359B1 (pt) * 2017-12-29 2023-12-05 Saint-Gobain Performance Plastics Corporation Bomba
CN108304673B (zh) * 2018-02-27 2019-03-29 山东交通学院 一种增压器蜗壳的仿生设计方法
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RU2683069C1 (ru) * 2018-03-29 2019-03-26 Федеральное государственное бюджетное учреждение "Национальный медицинский исследовательский центр трансплантологии и искусственных органов имени академика В.И. Шумакова" Министерства здравоохранения Российской Федерации (ФГБУ "НМИЦ ТИО им. ак. В.И. Шумакова" Минздрава России) Центробежный насос для механической поддержки кровообращения
KR101898278B1 (ko) * 2018-05-04 2018-09-13 안드레이 슬로보디안 보일러 기능을 갖는 하이브리드 발전장치
US11536286B2 (en) * 2020-07-30 2022-12-27 Microsoft Technology Licensing, Llc Systems and methods for improving airflow in a centrifugal blower
DE102020131271B4 (de) 2020-11-25 2026-02-19 Daniela Neldner Wasserkraftturbine
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US2165808A (en) * 1937-05-22 1939-07-11 Murphy Daniel Pump rotor
US3082695A (en) * 1959-06-15 1963-03-26 Klein Schanzlin & Becker Ag Impellers, especially single vane impellers for rotary pumps
EP0114932B1 (de) * 1982-12-22 1986-09-03 Martin Stähle Kreiselpumpe mit Einschaufel-Laufrad offener Bauart
JPH0637879B2 (ja) * 1985-03-15 1994-05-18 大平洋機工株式会社 遠心ポンプ
SU1437579A1 (ru) * 1986-02-10 1988-11-15 Ленинградский Политехнический Институт Им.М.И.Калинина Центробежный компрессор
FR2629142A1 (fr) * 1988-03-24 1989-09-29 Carrouset Pierre Machine rotative a deplacement non positif utilisable comme pompe, compresseur, propulseur ou turbine motrice
RU2130U1 (ru) * 1994-09-12 1996-05-16 Пономарев Геннадий Павлович Ротор

Also Published As

Publication number Publication date
US5934877A (en) 1999-08-10
IL122889A (en) 2001-03-19
MX9800299A (es) 1998-07-31
CN1193377A (zh) 1998-09-16
DE69630303D1 (en) 2003-11-13
DK0837989T3 (da) 2004-02-02
ES2206583T3 (es) 2004-05-16
IL122889A0 (en) 1998-08-16
KR19990028875A (ko) 1999-04-15
CA2226486A1 (en) 1997-01-30
RU2168066C2 (ru) 2001-05-27
EP0837989A4 (de) 1998-09-30
JPH11513091A (ja) 1999-11-09
CN1063256C (zh) 2001-03-14
CA2226486C (en) 2005-06-07
PT837989E (pt) 2004-02-27
EP0837989B1 (de) 2003-10-08
DE69630303T2 (de) 2004-07-29
WO1997003291A1 (en) 1997-01-30
KR100445508B1 (ko) 2004-11-06
EP0837989A1 (de) 1998-04-29

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