AU2001281237A1 - Apparatus and method for operating internal combustion engines from variable mixtures of gaseous fuels - Google Patents

Apparatus and method for operating internal combustion engines from variable mixtures of gaseous fuels

Info

Publication number
AU2001281237A1
AU2001281237A1 AU2001281237A AU8123701A AU2001281237A1 AU 2001281237 A1 AU2001281237 A1 AU 2001281237A1 AU 2001281237 A AU2001281237 A AU 2001281237A AU 8123701 A AU8123701 A AU 8123701A AU 2001281237 A1 AU2001281237 A1 AU 2001281237A1
Authority
AU
Australia
Prior art keywords
internal combustion
combustion engines
gaseous fuels
operating internal
variable mixtures
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
Application number
AU2001281237A
Inventor
James W. Heffel
Paul B. Scott
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of California San Diego UCSD
Original Assignee
University of California
University of California Berkeley
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
Application filed by University of California, University of California Berkeley filed Critical University of California
Publication of AU2001281237A1 publication Critical patent/AU2001281237A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B51/00Other methods of operating engines involving pretreating of, or adding substances to, combustion air, fuel, or fuel-air mixture of the engines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B43/00Engines characterised by operating on gaseous fuels; Plants including such engines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B43/00Engines characterised by operating on gaseous fuels; Plants including such engines
    • F02B43/10Engines or plants characterised by use of other specific gases, e.g. acetylene, oxyhydrogen
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D19/00Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/02Controlling 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 gaseous fuels
    • F02D19/021Control of components of the fuel supply system
    • F02D19/023Control of components of the fuel supply system to adjust the fuel mass or volume flow
    • F02D19/024Control of components of the fuel supply system to adjust the fuel mass or volume flow by controlling fuel injectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D19/00Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/02Controlling 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 gaseous fuels
    • F02D19/026Measuring or estimating parameters related to the fuel supply system
    • F02D19/029Determining density, viscosity, concentration or composition
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D19/00Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06Controlling 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
    • F02D19/0639Controlling 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
    • F02D19/0642Controlling 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
    • F02D19/0644Controlling 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D19/00Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06Controlling 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
    • F02D19/08Controlling 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
    • F02D19/082Premixed fuels, i.e. emulsions or blends
    • F02D19/085Control based on the fuel type or composition
    • F02D19/087Control based on the fuel type or composition with determination of densities, viscosities, composition, concentration or mixture ratios of fuels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02GHOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G1/00Hot gas positive-displacement engine plants
    • F02G1/04Hot gas positive-displacement engine plants of closed-cycle type
    • F02G1/043Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0203Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels characterised by the type of gaseous fuel
    • F02M21/0215Mixtures of gaseous fuels; Natural gas; Biogas; Mine gas; Landfill gas
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02GHOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G2254/00Heat inputs
    • F02G2254/10Heat inputs by burners
    • F02G2254/11Catalytic burners
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00Investigating or analyzing materials by the use of thermal means
    • G01N25/18Investigating or analyzing materials by the use of thermal means by investigating thermal conductivity
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/30Use of alternative fuels, e.g. biofuels

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (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)
AU2001281237A 2000-08-11 2001-08-09 Apparatus and method for operating internal combustion engines from variable mixtures of gaseous fuels Abandoned AU2001281237A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US22501700P 2000-08-11 2000-08-11
US60225017 2000-08-11
PCT/US2001/025172 WO2002014661A1 (en) 2000-08-11 2001-08-09 Apparatus and method for operating internal combustion engines from variable mixtures of gaseous fuels

Publications (1)

Publication Number Publication Date
AU2001281237A1 true AU2001281237A1 (en) 2002-02-25

Family

ID=22843172

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001281237A Abandoned AU2001281237A1 (en) 2000-08-11 2001-08-09 Apparatus and method for operating internal combustion engines from variable mixtures of gaseous fuels

Country Status (3)

Country Link
US (2) US6612269B2 (en)
AU (1) AU2001281237A1 (en)
WO (1) WO2002014661A1 (en)

Families Citing this family (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE50305837D1 (en) * 2002-01-25 2007-01-11 Alstom Technology Ltd METHOD FOR OPERATING A GUESTURBOGROUP
US8118894B2 (en) * 2006-07-18 2012-02-21 The Regents Of The University Of California Commingled coal and biomass slurries
US20080031809A1 (en) * 2006-07-18 2008-02-07 Norbeck Joseph M Controlling the synthesis gas composition of a steam methane reformer
US7619012B2 (en) * 2006-07-18 2009-11-17 The Regents Of The University Of California Method and apparatus for steam hydro-gasification in a fluidized bed reactor
US8603430B2 (en) * 2002-02-05 2013-12-10 The Regents Of The University Of California Controlling the synthesis gas composition of a steam methane reformer
US20080016770A1 (en) * 2006-07-18 2008-01-24 Norbeck Joseph M Method for high energy density biomass-water slurry
US8143319B2 (en) * 2006-07-18 2012-03-27 The Regents Of The University Of California Method and apparatus for steam hydro-gasification with increased conversion times
US20080021119A1 (en) * 2006-07-18 2008-01-24 Norbeck Joseph M Operation of a steam methane reformer by direct feeding of steam rich producer gas from steam hydro-gasification
US8349288B2 (en) * 2006-12-06 2013-01-08 The Regents Of The University Of California Process for enhancing the operability of hot gas cleanup for the production of synthesis gas from steam-hydrogasification producer gas
US6755077B2 (en) * 2002-06-06 2004-06-29 General Motors Corporation Diagnostic system for identifying fuel injector failure in a fuel cell system
US6955160B1 (en) 2003-07-02 2005-10-18 Brunswick Corporation Gaseous fuel pressure regulator for electronically controlling an outlet pressure
US7287558B2 (en) * 2003-07-03 2007-10-30 Arizona Public Service Company Hydrogen handling or dispensing system
JP4321306B2 (en) * 2004-02-26 2009-08-26 マツダ株式会社 Control device for hydrogen engine
CA2562363C (en) * 2004-04-20 2008-12-30 David Lange System and method for operating an internal combustion engine with hydrogen blended with conventional fossil fuels
US7117862B2 (en) * 2004-05-06 2006-10-10 Dresser, Inc. Adaptive engine control
JP4506613B2 (en) * 2004-11-12 2010-07-21 マツダ株式会社 Powertrain control device
US7487750B2 (en) * 2005-11-29 2009-02-10 Ford Global Technologies, Llc Variable intake valve and exhaust valve timing strategy for improving performance in a hydrogen fueled engine
US7754491B2 (en) * 2005-12-09 2010-07-13 The Regents Of The University Of Calif. Sensor for measuring syngas ratios under high temperature and pressure conditions
JP4760353B2 (en) * 2005-12-14 2011-08-31 トヨタ自動車株式会社 Liquid hydrogen tank remaining amount detection system
US20080016768A1 (en) * 2006-07-18 2008-01-24 Togna Keith A Chemically-modified mixed fuels, methods of production and used thereof
US7349790B2 (en) * 2006-07-28 2008-03-25 Sremac Milan J Method for operating a flex fuel conversion system
EP1930568B1 (en) * 2006-12-07 2010-07-14 Abb Research Ltd. Method and system for monitoring process states of an internal combustion engine
DE102007035317B4 (en) * 2007-07-27 2023-10-05 Robert Bosch Gmbh Method for operating an internal combustion engine
US20100258084A1 (en) * 2007-12-20 2010-10-14 Volvo Technology Corporation Fuel-pumping system, method for operating a fuel-pumping system and fuel-injection system comprising a fuel-pumping system
DE102008013163A1 (en) * 2008-03-07 2009-09-10 Alois Dotzer Diesel engine operated internal combustion engine
FR2930598B1 (en) * 2008-04-24 2012-01-27 Sp3H METHOD FOR OPTIMIZING THE OPERATION OF A THERMAL ENGINE BY DETERMINING THE PROPORTION OF OXYGEN COMPOUNDS IN THE FUEL
US20100101534A1 (en) * 2008-10-27 2010-04-29 Tzu-Wei Yu Multiple-fuel rotary engine
US8108128B2 (en) * 2009-03-31 2012-01-31 Dresser, Inc. Controlling exhaust gas recirculation
US7818969B1 (en) 2009-12-18 2010-10-26 Energyield, Llc Enhanced efficiency turbine
US8340941B2 (en) * 2010-06-04 2012-12-25 Tyco Electronics Corporation Temperature measurement system for a light emitting diode (LED) assembly
US9528447B2 (en) * 2010-09-14 2016-12-27 Jason Eric Green Fuel mixture control system
JP5590242B2 (en) * 2011-07-13 2014-09-17 トヨタ自動車株式会社 Control device for internal combustion engine
US9248736B2 (en) 2011-09-16 2016-02-02 Gaseous Fuel Systems, Corp. Modification of an industrial vehicle to include a containment area and mounting assembly for an alternate fuel
US9421861B2 (en) 2011-09-16 2016-08-23 Gaseous Fuel Systems, Corp. Modification of an industrial vehicle to include a containment area and mounting assembly for an alternate fuel
US8882071B2 (en) 2011-09-16 2014-11-11 Jason Green Modification of an industrial vehicle to include a containment area and mounting assembly for an alternate fuel
US10086694B2 (en) 2011-09-16 2018-10-02 Gaseous Fuel Systems, Corp. Modification of an industrial vehicle to include a containment area and mounting assembly for an alternate fuel
US8820289B2 (en) 2011-09-27 2014-09-02 Jason Green Module containment of fuel control system for a vehicle
US9278614B2 (en) 2011-10-17 2016-03-08 Gaseous Fuel Systems, Corp. Vehicle mounting assembly for a fuel supply
US8881933B2 (en) 2011-10-17 2014-11-11 Jason E. Green Vehicle mounting assembly for a fuel supply
US9738154B2 (en) 2011-10-17 2017-08-22 Gaseous Fuel Systems, Corp. Vehicle mounting assembly for a fuel supply
BR112014010159A2 (en) * 2011-10-28 2018-09-04 Eht Patents And Licensing Ltd method for improving the efficiency of a combustion engine, combustion engine, combustion engine retrofit kit and injection control controller
US20140046494A1 (en) * 2012-08-13 2014-02-13 Mcalister Technologies, Llc Dynamic sensors
GB2505205B (en) * 2012-08-22 2016-10-19 Lee Loo Sin A control system for a hydrogen generator of a vehicle and a method for controlling a hydrogen generator of a vehicle
US9696066B1 (en) 2013-01-21 2017-07-04 Jason E. Green Bi-fuel refrigeration system and method of retrofitting
US8800698B1 (en) * 2013-06-28 2014-08-12 Nasser Fred Mehr LNG—lithium hybrid vehicle (LLHV)
US9845744B2 (en) 2013-07-22 2017-12-19 Gaseous Fuel Systems, Corp. Fuel mixture system and assembly
US9394841B1 (en) 2013-07-22 2016-07-19 Gaseous Fuel Systems, Corp. Fuel mixture system and assembly
US20150025774A1 (en) 2013-07-22 2015-01-22 Jason Green Fuel mixture system and assembly
EP2926953A1 (en) * 2014-04-04 2015-10-07 HILTI Aktiengesellschaft Method and system for controlling injection processes
US9254849B1 (en) 2014-10-07 2016-02-09 Gaseous Fuel Systems, Corp. Device and method for interfacing with a locomotive engine
US9428047B2 (en) 2014-10-22 2016-08-30 Jason Green Modification of an industrial vehicle to include a hybrid fuel assembly and system
US9931929B2 (en) 2014-10-22 2018-04-03 Jason Green Modification of an industrial vehicle to include a hybrid fuel assembly and system
US9885318B2 (en) 2015-01-07 2018-02-06 Jason E Green Mixing assembly
CN104809863A (en) * 2015-03-30 2015-07-29 广东美的暖通设备有限公司 RS485 based pulse ammeter communication conversion device and method
EP3347583B1 (en) * 2015-09-11 2020-11-25 Volvo Truck Corporation Powertrain arrangement and method for use with additized dimethyl ether (dme) fuel
ES2804107T3 (en) * 2016-05-24 2021-02-03 CleanTech Swiss AG Device for operating a motor
FR3052865B1 (en) * 2016-06-17 2018-07-13 Continental Automotive France METHOD OF MEASURING THE PRESSURE OF A COMPRESSED GASEOUS FUEL IN A POWER LINE OF AN ENGINE EQUIPPED WITH A MOTOR VEHICLE AND MEASURING DEVICE THEREFOR
US10006398B2 (en) 2016-10-25 2018-06-26 Caterpillar Inc. System and method for analyzing fuel for fleet calibration
NL2020712B1 (en) * 2018-04-04 2019-10-10 Hobre Instr B V Method and device for measuring the amount of hydrogen in a gas
EP3623804B1 (en) * 2018-09-13 2023-10-25 STMicroelectronics S.r.l. Method of operating gas sensors and corresponding device, sensor and program product
EP3931560A4 (en) 2019-05-02 2022-12-07 Cummins, Inc. Method, apparatus, and system for controlling natural gas engine operation based on fuel properties
DE102019125083A1 (en) * 2019-09-18 2021-03-18 Volkswagen Aktiengesellschaft Method for sensing a fuel composition to limit the usability of a vehicle in the event of incorrect fueling
WO2023034365A1 (en) 2021-09-01 2023-03-09 American CNG, LLC Supplemental fuel system for compression-ignition engine
US11614040B1 (en) * 2021-12-16 2023-03-28 Caterpillar Inc. Cost based substitution ratio control in hydrogen-capable internal combustion engine system
EP4532914A1 (en) 2022-05-24 2025-04-09 Innio Jenbacher GmbH & Co OG Method for operating an internal combustion engine
CN115434802B (en) * 2022-09-15 2024-05-07 西安交通大学 Multi-objective optimization control strategy and system for ammonia-hydrogen dual-fuel aviation rotary engine
US12546268B1 (en) 2024-09-25 2026-02-10 Saudi Arabian Oil Company Methodology to enable efficient flex fuel operation with natural gas, hydrogen, and their blends

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1448236A (en) 1965-06-23 1966-08-05 Rech S Scient Et Ind E R S I E Device for measuring thermal conductivity at very high temperatures
US3478573A (en) 1965-07-29 1969-11-18 Exxon Research Engineering Co Integral heater piezoelectric devices
JPH0613862B2 (en) 1986-03-20 1994-02-23 トヨタ自動車株式会社 Method and apparatus for controlling air-fuel ratio of gas fuel engine
US4944035A (en) 1988-06-24 1990-07-24 Honeywell Inc. Measurement of thermal conductivity and specific heat
DE69014308T3 (en) * 1989-10-30 1998-04-16 Honeywell Inc COMBUSTION CONTROL WITH MICROMEASURING BRIDGE.
US5117802A (en) 1991-04-11 1992-06-02 Durbin Enoch J Dual fuel system for combustion engines
US5367999A (en) * 1993-04-15 1994-11-29 Mesa Environmental Ventures Limited Partnership Method and system for improved fuel system performance of a gaseous fuel engine
US5787864A (en) * 1995-04-25 1998-08-04 University Of Central Florida Hydrogen enriched natural gas as a motor fuel with variable air fuel ratio and fuel mixture ratio control
US5772321A (en) 1995-10-25 1998-06-30 Hewlett-Packard Company Compensation for spacial and temporal temperature variations in a thermal conductivity detector
JP3814913B2 (en) 1997-02-07 2006-08-30 トヨタ自動車株式会社 Control device for gas fuel internal combustion engine

Also Published As

Publication number Publication date
US6612269B2 (en) 2003-09-02
USRE42876E1 (en) 2011-11-01
US20020029770A1 (en) 2002-03-14
WO2002014661A1 (en) 2002-02-21

Similar Documents

Publication Publication Date Title
AU2001281237A1 (en) Apparatus and method for operating internal combustion engines from variable mixtures of gaseous fuels
AU2001233532A1 (en) Method and apparatus for gaseous fuel introduction and controlling combustion in an internal combustion engine
AU2339497A (en) Gas swirling device for internal combustion engine
AU2003273655A1 (en) Control method and apparatus for gaseous fuelled internal combustion engine
GB2378262B (en) A method and system for adjusting the air/fuel ratio of an internal combustion engine
AU2001233533A1 (en) Method and apparatus for dual fuel injection into an internal combustion engine
EP1205655A4 (en) Device and method for exhaust gas circulation of internal combustion engine
EP1249584A4 (en) Combustion gas purifier and internal combustion engine
AU2002214348A1 (en) Exhaust gas control device for internal combustion engines
AU2928997A (en) Rotary valve apparatus for internal combustion engines and methods of operating same
AU1318501A (en) Method of reducing emissions in the exhaust gases of an internal combustion engine
AU2003256348A1 (en) Apparatus and method for removing nox from the exhaust gas of an internal combustion engine
GB2378773B (en) Method of and control apparatus for operating an internal combustion engine
AU1904101A (en) Method and installation for internal combustion engines self-overfeeding
AU2002225091A1 (en) Liquid-phase gas fuel method and device injection for an internal combustion engine
AU3849400A (en) Method of reduction of exhaust gas emissions from internal combustion engines
GB0202532D0 (en) Direct-injection internal combustion engine with spark ignition and method for operating such an internal combustion engine
AU2003280744A1 (en) Exhaust gas purification device for internal combustion engine and method of exhaust gas purification
AU2002353601A1 (en) A device for reduction of exhaust gas and fuel economy for an internal-combustion engine
AU4400697A (en) Apparatus for facilitating combustion and purification of exhaust gas for internal combustion engine and methods therefor
GB9812851D0 (en) Apparatus for reducing emissions of toxic gases from internal combustion engines
AU2002334787A1 (en) Method and apparatus for reducing emissions of internal combustion engines
AU5583500A (en) Method of reducing emissions in the exhaust gases of an internal combustion engine
PL313216A1 (en) Fuel gas and air mixer for internal combustion engines
AU2002363908A1 (en) Method for ignition and combustion of fuel mixture in an internal combustion engine