KR100726751B1 - 수소첨가 내연기관용 제어 시스템 - Google Patents
수소첨가 내연기관용 제어 시스템 Download PDFInfo
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- KR100726751B1 KR100726751B1 KR1020067013019A KR20067013019A KR100726751B1 KR 100726751 B1 KR100726751 B1 KR 100726751B1 KR 1020067013019 A KR1020067013019 A KR 1020067013019A KR 20067013019 A KR20067013019 A KR 20067013019A KR 100726751 B1 KR100726751 B1 KR 100726751B1
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- hydrocarbon fuel
- fuel
- addition ratio
- starting
- control system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/08—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
- F02D19/081—Adjusting the fuel composition or mixing ratio; Transitioning from one fuel to the other
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0626—Measuring or estimating parameters related to the fuel supply system
- F02D19/0634—Determining a density, viscosity, composition or concentration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0639—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels
- F02D19/0642—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels at least one fuel being gaseous, the other fuels being gaseous or liquid at standard conditions
- F02D19/0644—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels at least one fuel being gaseous, the other fuels being gaseous or liquid at standard conditions the gaseous fuel being hydrogen, ammonia or carbon monoxide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0663—Details on the fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02D19/0686—Injectors
- F02D19/0692—Arrangement of multiple injectors per combustion chamber
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0626—Measuring or estimating parameters related to the fuel supply system
- F02D19/0628—Determining the fuel pressure, temperature or flow, the fuel tank fill level or a valve position
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/06—Fuel or fuel supply system parameters
- F02D2200/0611—Fuel type, fuel composition or fuel quality
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- 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
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D41/0027—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures the fuel being gaseous
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/10—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding acetylene, non-waterborne hydrogen, non-airborne oxygen, or ozone
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
Description
Claims (7)
- 연소연료로서 탄화수소 연료와 수소가스를 사용하는 수소첨가 내연기관용 제어 시스템으로서,탄화수소 연료의 특성을 판단하기 위한 연료 특성 판단 수단, 및탄화수소 연료가 중질일 때 탄화수소 연료에 수소가스 첨가비를 증가시키는 첨가비 증가수단을 포함하는 수소첨가 내연기관용 제어 시스템.
- 제 1 항에 있어서, 상기 첨가비 증가수단은 탄화수소 연료의 중질도가 증가함에 따라 상기 수소가스 첨가비가 증가되도록 하는 것을 특징으로 하는 수소첨가 내연기관용 제어 시스템.
- 제 1 항 또는 제 2 항에 있어서, 상기 연료특성 판단수단은, 시동 직후의 엔진속도, 시동 직후의 점화시기 피드백 보정값, 또는 시동 직후의 탄화수소 연료 분사량 피드백 보정값에 따라 탄화수소 연료의 특성을 판단하는 것을 특징으로 하는 수소첨가 내연기관용 제어 시스템.
- 연소연료로서 탄화수소 연료와 수소가스를 사용하는 수소첨가 내연기관용 제어 시스템으로서,시동시 탄화수소 연료에 대한 수소가스 첨가비의 규정된 초기값을 설정하는 첨가비 초기값 설정수단, 및시동 후 정해진 시간이 경과 하면 상기 탄화수소 연료에 대한 상기 수소가스 첨가비를 감소시키는 첨가비 감소수단을 포함하는 수소첨가 내연기관용 제어 시스템.
- 제 4 항에 있어서, 탄화수소 연료의 특성을 판단하는 연료 특성 판단수단을 더 포함하고, 상기 첨가비 감소수단은 수소가스 첨가비를 탄화수소 연료의 특성으로부터 얻은 하한값으로 감소시키는 것을 특징으로 하는 수소첨가 내연기관용 제어 시스템.
- 제 5 항에 있어서, 상기 연료특성 판단수단은, 시동 직후의 엔진속도, 시동 직후의 점화시기 피드백 보정값, 또는 시동 직후의 탄화수소 연료 분사량 피드백 보정값에 따라 탄화수소 연료의 특성을 판단하는 것을 특징으로 하는 수소첨가 내연기관용 제어 시스템.
- 연소연료로서 탄화수소 연료와 수소가스를 사용하는 수소첨가 내연기관용 제어 시스템으로서,시동 직후의 엔진속도 감소량, 시동 직후의 점화시기 피드백 보정값, 또는 시동 직후의 탄화수소 연료 분사량 피드백 보정값을 얻기 위한 수단, 및상기 엔진속도 감소량, 점화시기 피드백 보정값, 또는 탄화수소 연료 분사 량 피드백 보정값이 정해진 값보다 작지 않을 때, 탄화수소 연료에 대한 수소첨가를 증가시키는 첨가비 증가수단을 포함하는 수소첨가 내연기관용 제어 시스템.
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KR1020067013019A KR100726751B1 (ko) | 2004-08-04 | 2005-07-27 | 수소첨가 내연기관용 제어 시스템 |
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JPJP-P-2004-00227811 | 2004-08-04 | ||
KR1020067013019A KR100726751B1 (ko) | 2004-08-04 | 2005-07-27 | 수소첨가 내연기관용 제어 시스템 |
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KR100726751B1 true KR100726751B1 (ko) | 2007-06-11 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4181100A (en) * | 1974-12-18 | 1980-01-01 | Nissan Motor Company, Limited | Internal combustion engine operated on injected fuel supplemented with hydrogen |
JPS5867938A (ja) * | 1981-10-19 | 1983-04-22 | Nissan Motor Co Ltd | アルコ−ル改質ガスエンジンの異常燃焼回避装置 |
US5408957A (en) * | 1993-04-28 | 1995-04-25 | Crowley; Timothy J. | Continuous combustible gas injection into conventionally fueled internal combustion engines |
US5546902A (en) * | 1992-05-15 | 1996-08-20 | Orbital Engine Company (Australia) Pty. Limited | Fuel/gas delivery system for internal combustion engines |
US6405720B1 (en) * | 2000-04-03 | 2002-06-18 | R. Kirk Collier, Jr. | Natural gas powered engine |
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- 2005-07-27 KR KR1020067013019A patent/KR100726751B1/ko active IP Right Grant
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4181100A (en) * | 1974-12-18 | 1980-01-01 | Nissan Motor Company, Limited | Internal combustion engine operated on injected fuel supplemented with hydrogen |
JPS5867938A (ja) * | 1981-10-19 | 1983-04-22 | Nissan Motor Co Ltd | アルコ−ル改質ガスエンジンの異常燃焼回避装置 |
US5546902A (en) * | 1992-05-15 | 1996-08-20 | Orbital Engine Company (Australia) Pty. Limited | Fuel/gas delivery system for internal combustion engines |
US5408957A (en) * | 1993-04-28 | 1995-04-25 | Crowley; Timothy J. | Continuous combustible gas injection into conventionally fueled internal combustion engines |
US6405720B1 (en) * | 2000-04-03 | 2002-06-18 | R. Kirk Collier, Jr. | Natural gas powered engine |
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KR20070016104A (ko) | 2007-02-07 |
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