DE69000988D1 - Steuerungssystem fuer den motorzyklus. - Google Patents
Steuerungssystem fuer den motorzyklus.Info
- Publication number
- DE69000988D1 DE69000988D1 DE9090305107T DE69000988T DE69000988D1 DE 69000988 D1 DE69000988 D1 DE 69000988D1 DE 9090305107 T DE9090305107 T DE 9090305107T DE 69000988 T DE69000988 T DE 69000988T DE 69000988 D1 DE69000988 D1 DE 69000988D1
- Authority
- DE
- Germany
- Prior art keywords
- control system
- engine cycle
- engine
- cycle
- control
- 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
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0242—Variable control of the exhaust valves only
- F02D13/0249—Variable control of the exhaust valves only changing the valve timing only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
- F01L9/20—Valve-gear or valve arrangements actuated non-mechanically by electric means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B19/00—Engines characterised by precombustion chambers
- F02B19/02—Engines characterised by precombustion chambers the chamber being periodically isolated from its cylinder
- F02B19/04—Engines characterised by precombustion chambers the chamber being periodically isolated from its cylinder the isolation being effected by a protuberance on piston or cylinder head
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
- F02B25/02—Engines characterised by using fresh charge for scavenging cylinders using unidirectional scavenging
- F02B25/04—Engines having ports both in cylinder head and in cylinder wall near bottom of piston stroke
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/04—Engines with exhaust drive and other drive of pumps, e.g. with exhaust-driven pump and mechanically-driven second pump
- F02B37/10—Engines with exhaust drive and other drive of pumps, e.g. with exhaust-driven pump and mechanically-driven second pump at least one pump being alternatively or simultaneously driven by exhaust and other drive, e.g. by pressurised fluid from a reservoir or an engine-driven pump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/14—Control of the alternation between or the operation of exhaust drive and other drive of a pump, e.g. dependent on speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B69/00—Internal-combustion engines convertible into other combustion-engine type, not provided for in F02B11/00; Internal-combustion engines of different types characterised by constructions facilitating use of same main engine-parts in different types
- F02B69/06—Internal-combustion engines convertible into other combustion-engine type, not provided for in F02B11/00; Internal-combustion engines of different types characterised by constructions facilitating use of same main engine-parts in different types for different cycles, e.g. convertible from two-stroke to four stroke
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0253—Fully variable control of valve lift and timing using camless actuation systems such as hydraulic, pneumatic or electromagnetic actuators, e.g. solenoid valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/028—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation for two-stroke engines
- F02D13/0284—Variable control of exhaust valves only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/3011—Controlling fuel injection according to or using specific or several modes of combustion
- F02D41/3017—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used
- F02D41/3058—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used the engine working with a variable number of cycles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L2201/00—Electronic control systems; Apparatus or methods therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
- F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
- F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
- F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
- F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0002—Controlling intake air
- F02D2041/001—Controlling intake air for engines with variable valve actuation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2400/00—Control systems adapted for specific engine types; Special features of engine control systems not otherwise provided for; Power supply, connectors or cabling for engine control systems
- F02D2400/02—Four-stroke combustion engines with electronic control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2400/00—Control systems adapted for specific engine types; Special features of engine control systems not otherwise provided for; Power supply, connectors or cabling for engine control systems
- F02D2400/04—Two-stroke combustion engines with electronic control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0002—Controlling intake air
- F02D41/0007—Controlling intake air for control of turbo-charged or super-charged engines
-
- 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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
-
- 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
- Y10S123/00—Internal-combustion engines
- Y10S123/07—Convertible
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Supercharger (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1118474A JP2711565B2 (ja) | 1989-05-11 | 1989-05-11 | エンジンのサイクル制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69000988D1 true DE69000988D1 (de) | 1993-04-08 |
DE69000988T2 DE69000988T2 (de) | 1993-06-09 |
Family
ID=14737570
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE9090305107T Expired - Fee Related DE69000988T2 (de) | 1989-05-11 | 1990-05-11 | Steuerungssystem fuer den motorzyklus. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5005539A (de) |
EP (1) | EP0397521B1 (de) |
JP (1) | JP2711565B2 (de) |
DE (1) | DE69000988T2 (de) |
Families Citing this family (54)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0637852B2 (ja) * | 1989-07-17 | 1994-05-18 | いすゞ自動車株式会社 | 4サイクル断熱エンジン |
US5131354A (en) * | 1989-11-09 | 1992-07-21 | North American Philips Corporation | Method of operating a two-stroke-cycle engine with variable valve timing in a four-stroke-cycle mode |
DE69010865T2 (de) * | 1989-12-12 | 1994-11-24 | Isuzu Ceramics Res Inst | Verbrennungsmotor mit variablem Zyklus. |
DE69107021T2 (de) * | 1990-11-13 | 1995-05-18 | Isuzu Ceramics Res Inst | Zwei oder Viertaktverbrennungskraftmaschine und sein Steuerungssystem. |
US5205152A (en) * | 1991-02-19 | 1993-04-27 | Caterpillar Inc. | Engine operation and testing using fully flexible valve and injection events |
US5117790A (en) * | 1991-02-19 | 1992-06-02 | Caterpillar Inc. | Engine operation using fully flexible valve and injection events |
US5598819A (en) * | 1991-03-16 | 1997-02-04 | Blackburn; Anthony E. | Piston engine cycles |
US5154141A (en) * | 1991-11-20 | 1992-10-13 | Mcwhorter Edward M | Dual cycle engine process |
US5201296A (en) * | 1992-03-30 | 1993-04-13 | Caterpillar Inc. | Control system for an internal combustion engine |
FR2690951B1 (fr) * | 1992-05-05 | 1995-08-04 | Melchior Jean | Procede d'alimentation pour moteur a combustion interne a allumage par compression. |
US5271229A (en) * | 1992-06-01 | 1993-12-21 | Caterpillar Inc. | Method and apparatus to improve a turbocharged engine transient response |
JP3048476B2 (ja) * | 1992-09-29 | 2000-06-05 | 株式会社いすゞセラミックス研究所 | リフト量可変制御弁を備えた副室式ガスエンジン |
EP0645529B1 (de) * | 1993-09-28 | 1998-01-07 | Isuzu Ceramics Research Institute Co., Ltd. | Maschine mit thermischer Isolation |
US5375419A (en) * | 1993-12-16 | 1994-12-27 | Ford Motor Company | Integrated hydraulic system for electrohydraulic valvetrain and hydraulically assisted turbocharger |
US5517951A (en) * | 1994-12-02 | 1996-05-21 | Paul; Marius A. | Two stroke/four stroke engine |
US5657724A (en) * | 1995-11-03 | 1997-08-19 | Outboard Marine Corporation | Internal combustion engine construction |
JP3671508B2 (ja) * | 1996-03-25 | 2005-07-13 | トヨタ自動車株式会社 | 内燃機関および内燃機関のヘッド構造 |
FR2758857A1 (fr) * | 1997-01-27 | 1998-07-31 | Aisin Seiki | Dispositif de commande de soupape pour un moteur a combustion interne |
DE19810933C2 (de) * | 1998-03-13 | 2001-08-16 | Daimler Chrysler Ag | Verbrennungsmotor |
DE19843174C2 (de) * | 1998-09-21 | 2000-08-17 | Siemens Ag | Verfahren zum Steuern einer Brennkraftmaschine |
US6422533B1 (en) | 1999-07-09 | 2002-07-23 | Parker-Hannifin Corporation | High force solenoid valve and method of improved solenoid valve performance |
JP3817991B2 (ja) | 1999-10-15 | 2006-09-06 | 日産自動車株式会社 | 内燃機関の制御装置 |
US6286467B1 (en) * | 1999-12-27 | 2001-09-11 | Antonio Ancheta | Two stroke engine conversion |
DE10004528A1 (de) * | 2000-02-02 | 2001-08-09 | Volkswagen Ag | Wahlweise mit 4-Takt-Betrieb oder 2-Takt-Betrieb betreibbare Brennkraftmaschine |
DK1380738T3 (da) * | 2002-07-09 | 2008-04-21 | Waertsilae Nsd Schweiz Ag | Fremgangsmåde til at drive en stempelforbrændingsmotor |
US20050161015A1 (en) * | 2002-09-24 | 2005-07-28 | Giuliani Robert L. | Interchangeable 2-stroke or 4-stroke high torque power engine |
DE10245790A1 (de) | 2002-10-01 | 2004-04-15 | Daimlerchrysler Ag | Brennkraftmaschine mit Selbstzündung |
US7231892B2 (en) * | 2003-06-03 | 2007-06-19 | Robert Bosch Gmbh | Method for extending HCCI load range using a two-stroke cycle and variable valve actuation |
GB2410060A (en) * | 2004-01-14 | 2005-07-20 | Lotus Car | A two-stroke compression-ignition internal combustion engine |
US7036465B2 (en) * | 2004-03-17 | 2006-05-02 | Ricardo, Inc. | Two-stroke and four-stroke switching mechanism |
WO2006004468A1 (en) * | 2004-07-02 | 2006-01-12 | Volvo Technology Corporation | Internal combustion engine exhaust gas system |
US7076954B1 (en) | 2005-03-31 | 2006-07-18 | Caterpillar Inc. | Turbocharger system |
US20070144175A1 (en) * | 2005-03-31 | 2007-06-28 | Sopko Thomas M Jr | Turbocharger system |
US7270093B2 (en) * | 2005-04-19 | 2007-09-18 | Len Development Services Corp. | Internal combustion engine with electronic valve actuators and control system therefor |
US20070215078A1 (en) * | 2006-02-21 | 2007-09-20 | Sturman Digital Systems, Llc | Methods and apparatus to use engine valves as both intake and exhaust valves |
JP2008019835A (ja) * | 2006-07-14 | 2008-01-31 | Mazda Motor Corp | 過給機付きエンジン |
GB0617726D0 (en) * | 2006-09-08 | 2006-10-18 | Atalla Naji A | Device (modifications) to improve efficiency of internal combustion engines |
GB0624599D0 (en) * | 2006-12-09 | 2007-01-17 | Aeristech Ltd | Engine induction system |
KR20080074719A (ko) * | 2007-02-08 | 2008-08-13 | 베르트질레 슈바이츠 악티엔게젤샤프트 | 길이방향으로 소기되는 2행정 대형 디젤 엔진의 실린더에급기를 충전하는 방법, 및 길이방향으로 소기되는 2행정대형 디젤 엔진 |
FR2912465B1 (fr) * | 2007-02-12 | 2013-08-02 | Jean Melchior | Moteur a combustion interne alimente par un melange gazeux homogene pauvre. |
US8047166B2 (en) * | 2008-04-02 | 2011-11-01 | General Electric Company | Electric valve actuation system |
US8439002B2 (en) * | 2009-05-28 | 2013-05-14 | Ford Global Technologies, Llc | Methods and systems for engine control |
US20110022289A1 (en) * | 2009-07-27 | 2011-01-27 | Ecomotors International, Inc. | Method of controlling an electrically assisted turbocharger |
US8958971B2 (en) | 2009-07-27 | 2015-02-17 | Ecomotors, Inc. | System and method to control an electronically-controlled turbocharger |
IT1395581B1 (it) * | 2009-09-12 | 2012-10-16 | Gen Electric | Sistema di azionamento per valvola elettrica |
CN103748334B (zh) * | 2011-07-08 | 2017-07-14 | 瓦锡兰瑞士有限公司 | 内燃式两冲程发动机、运转内燃式两冲程发动机的方法以及转换两冲程发动机的方法 |
US8925518B1 (en) | 2014-03-17 | 2015-01-06 | Woodward, Inc. | Use of prechambers with dual fuel source engines |
US9714624B2 (en) * | 2015-04-03 | 2017-07-25 | Electro-Motive Diesel, Inc. | Engine system for reducing gaseous fuel slip |
EP3109444A1 (de) * | 2015-06-26 | 2016-12-28 | Winterthur Gas & Diesel AG | Niedriglastbetriebsverfahren zum betrieb eines hubkolbenverbrennungsmotors, und entsprechender verbrennungsmotor |
SE541503C2 (en) * | 2016-06-07 | 2019-10-22 | Scania Cv Ab | Four Stroke Internal Combustion Engine and thereto-related Method |
KR101899260B1 (ko) * | 2016-10-17 | 2018-09-14 | 현대중공업 주식회사 | 선박용 엔진 |
IL275972B (en) * | 2019-08-17 | 2022-05-01 | Zhmudyak Alexandra | The method of operation of a four-stroke internal combustion engine |
NO20200639A1 (no) * | 2020-05-29 | 2021-11-30 | Lars Harald Heggen | Gassveksling i forbrenningsmotorer for økt virkningsgrad |
CN112196681B (zh) * | 2020-10-10 | 2022-10-28 | 潍柴动力股份有限公司 | 一种发动机运行控制方法及装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2304407A (en) * | 1942-02-16 | 1942-12-08 | Hugh E Hogan | Internal combustion engine |
DE2737601C2 (de) * | 1977-08-20 | 1983-01-27 | M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg | Einrichtung zum Anlassen einer luftverdichtenden Viertakt-Brennkraftmaschine |
FR2500063A1 (fr) * | 1981-02-18 | 1982-08-20 | Aerospatiale | Moteur thermique a quatre temps susceptible de surpuissance temporaire |
FR2560645B1 (fr) * | 1984-03-02 | 1988-04-08 | Alsacienne Constr Meca | Procede pour le demarrage et la marche a faible charge d'un moteur diesel et moteur diesel comportant application de ce procede |
JPS6251729A (ja) * | 1985-08-30 | 1987-03-06 | Isuzu Motors Ltd | 内燃機関のタ−ボチヤ−ジヤの制御装置 |
US4664070A (en) * | 1985-12-18 | 1987-05-12 | The Jacobs Manufacturing Company | Hydro-mechanical overhead for internal combustion engine |
JPH01305129A (ja) * | 1988-06-02 | 1989-12-08 | Nissan Motor Co Ltd | 内燃機関 |
US4907544A (en) * | 1989-04-06 | 1990-03-13 | Southwest Research Institute | Turbocharged two-stroke internal combustion engine with four-stroke capability |
-
1989
- 1989-05-11 JP JP1118474A patent/JP2711565B2/ja not_active Expired - Lifetime
-
1990
- 1990-05-11 US US07/522,320 patent/US5005539A/en not_active Expired - Fee Related
- 1990-05-11 EP EP90305107A patent/EP0397521B1/de not_active Expired - Lifetime
- 1990-05-11 DE DE9090305107T patent/DE69000988T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0397521A1 (de) | 1990-11-14 |
DE69000988T2 (de) | 1993-06-09 |
EP0397521B1 (de) | 1993-03-03 |
US5005539A (en) | 1991-04-09 |
JP2711565B2 (ja) | 1998-02-10 |
JPH02298629A (ja) | 1990-12-11 |
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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 |