| Patents for F02B 51 - Other methods of operating engines involving pre-treating of, or adding substances to, combustion air, fuel, or fuel-air mixture of the engines (973) |
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| 11/23/1994 | CN1026719C A method and device for improving the combustion efficiency of an internal combustion engine |
| 11/15/1994 | US5363821 Thermoset polymer/solid lubricant coating system |
| 10/26/1994 | EP0620842A1 Method for reducing pollution emissions from a diesel engine with organometallic platinum group metal coordination composition |
| 10/13/1994 | WO1994023194A1 Process and device for operating an internal combustion engine or a combustion plant |
| 10/13/1994 | CA2136613A1 Process and device for operating an internal combustion engine or a combustion plant |
| 09/29/1994 | WO1994021364A2 System for dissolving solids in a liquid |
| 07/26/1994 | US5331994 Fuel additive dispensing system |
| 07/26/1994 | US5331924 Catalytic liquid injection system for emission control |
| 07/26/1994 | US5331807 Air fuel magnetizer |
| 06/22/1994 | EP0602799A1 Redox catalysis of NOx in internal combustion engines |
| 06/16/1994 | DE4242099A1 Appts., esp. gas turbine appts. - having coating on its operating parts in contact with fuel gas or waste gas to reduce pollutant emissions |
| 06/07/1994 | US5318756 Electrode feed through |
| 05/26/1994 | WO1994011467A1 Method for reducing harmful emissions from a diesel engine equipped with a particulate trap |
| 05/17/1994 | CA2037690C Method for reducing methane exhaust emissions from natural gas fueled engines |
| 05/03/1994 | US5307772 Redox catalysis of NOx in internal combustion engines |
| 03/17/1994 | WO1994005744A1 Reforming light hydrocarbon fuels |
| 03/02/1994 | EP0584263A1 Method and system for combusting hydrocarbon fuels with low pollutant emissions. |
| 03/02/1994 | CN2157988Y Magnetized fuel-economizing device |
| 02/01/1994 | US5282445 Including cerium oxide; engines used in locomotives, ships and stationary engines of power plants |
| 01/18/1994 | CA1326180C Fuel activation method and fuel activation device |
| 12/21/1993 | US5271369 Fuel conditioning system for internal combustion engines |
| 11/30/1993 | US5266083 Method for reducing pollution emissions from a diesel engine |
| 11/18/1993 | DE4315034A1 Multistage method to operate two=stroke engine - enables engine to do mechanical work and to produce hydrogen |
| 11/11/1993 | WO1993022553A1 Magnetic treatment of air/fuel mixture |
| 10/28/1993 | WO1993021435A1 Enhancing fuel efficiency and abating emissions of engines |
| 10/28/1993 | DE4213808A1 Fuel catalyst doping device - comprises tin@- coated ceramic honeycomb in engine fuel line |
| 10/26/1993 | US5255514 Apparatus and method for improving the performance of a turbocharger-equipped engine |
| 09/16/1993 | WO1993018288A1 Catalytic liquid injection system for emission control |
| 08/24/1993 | US5238650 Terminal for carrying current through metal housing to electrically heatable catalytic converter without shorting |
| 08/24/1993 | US5237969 Ignition system incorporating ultraviolet light |
| 08/17/1993 | US5236670 Device for purifying fuel |
| 08/17/1993 | US5235804 Method and system for combusting hydrocarbon fuels with low pollutant emissions by controllably extracting heat from the catalytic oxidation stage |
| 06/24/1993 | WO1993012207A1 Method for reducing particulate emissions from a diesel engine with organometallic platinum group metal coordination composition |
| 06/24/1993 | WO1993012206A1 Method for reducing pollution emissions from a diesel engine with organometallic platinum group metal coordination composition |
| 06/24/1993 | CA2123805A1 Method for reducing pollution emissions from a diesel engine with organometallic platinum group metal coordination composition |
| 06/09/1993 | EP0545704A1 Process for treating air and liquid fuel with a magnetic field for combustion engine |
| 06/01/1993 | US5215652 Mixing nonionic metallic platinum group metal complexes with feedstock stream, recycle stream and hydrogen stream, hydrogenation, depositing metal on catalyst |
| 05/12/1993 | EP0460006B1 Process for optimising fuel combustion with the minimum co emission and device for implementing it |
| 05/04/1993 | US5207053 Method and system for staged rich/lean combustion |
| 04/26/1993 | CA2076487A1 Marine propulsion device internal combustion engine and method for making the same |
| 04/20/1993 | US5203167 Marine propulsion device internal combustion engine and method for making the same |
| 04/13/1993 | US5201886 Method of operating a pulse thruster |
| 03/17/1993 | EP0532138A2 Electrode feed through |
| 03/14/1993 | CA2074586A1 Electrode feed through |
| 01/28/1993 | DE4215557A1 Low-emission IC engine - has cylinder, each with discharge slot and discharge valve, uses oxidation gas of ozone and oxygen |
| 01/21/1993 | DE4203703C1 IC engine piston with catalytic coating - has coating applied between head and groove for top compression ring |
| 01/05/1993 | US5176814 Method of cooling with an endothermic fuel |
| 12/23/1992 | CA2067735A1 Water fuel injection system |
| 11/26/1992 | WO1992020963A1 Method and system for combusting hydrocarbon fuels with low pollutant emissions |
| 11/26/1992 | WO1992020962A1 Method and system for lean premixed/prevaporized combustion |
| 11/26/1992 | WO1992020961A1 Method and system for staged rich/lean combustion |
| 11/24/1992 | US5165224 Method and system for lean premixed/prevaporized combustion |
| 11/19/1992 | EP0513356A1 Process and device for improving combustion efficiency of a combustion machine |
| 11/19/1992 | EP0483272A4 Method for catalyzing fuel for powering internal combustion engines |
| 11/19/1992 | DE3844740A1 Combustion accelerator for engine burning fuel-air mixt. - generates turbulence in mixt. by propagation of shock wave from electric discharge for boundary layer enlargement |
| 09/22/1992 | US5148672 Pulse thruster |
| 09/16/1992 | EP0502937A1 Process and device for improving the combustion of fuels with gases containing oxygen, and process for manufacturing said device |
| 08/11/1992 | US5136994 Internal combustion engine |
| 07/23/1992 | WO1992012336A1 Generating and injecting hydrogen into an engine |
| 07/21/1992 | US5131224 Method for reducing methane exhaust emissions from natural gas fueled engines |
| 07/07/1992 | US5127385 Magnetic apparatus for treating fuel |
| 07/01/1992 | EP0492101A1 Use of organometallic additives for improving soot burning in diesel fuels |
| 06/25/1992 | WO1992010651A1 Ignition device and process for manufacturing it |
| 06/11/1992 | DE4039323A1 Zuendvorrichtung und verfahren zum herstellen einer zuendvorrichtung Ignition device and method for manufacturing an ignition device |
| 06/10/1992 | CN1061833A Process and device for improving combustion efficiency of combustion machine |
| 06/02/1992 | US5117800 Oxygen enrichment of fuels |
| 05/27/1992 | EP0487372A1 Process for realising a catalytic layer in a combustion chamber of an internal combustion engine by means of a plasma-spray |
| 05/23/1992 | WO1992009802A1 Process and device for improving combustion efficiency of a combustion machine |
| 05/23/1992 | CA2064589A1 Process and device for improving combustion efficiency of a combustion machine |
| 05/20/1992 | EP0485676A1 Catalytic-compression timed ignition method and igniter therefor |
| 05/19/1992 | US5113806 Bicatalytic igniter converter and processor for internal combustion engines |
| 05/06/1992 | EP0483272A1 Method for catalyzing fuel for powering internal combustion engines |
| 05/05/1992 | US5109817 Catalytic-compression timed ignition |
| 04/23/1992 | DE4133137A1 Assisting oxidn. of particles in diesel engine - by addn. of catalytically supportive to lubricating oil |
| 03/04/1992 | EP0473133A1 Magnetic apparatus for treating fuel |
| 03/01/1992 | CA2050025A1 Magnetic apparatus for treating fuel |
| 02/04/1992 | US5085176 Method of and apparatus for generating and injecting hydrogen into an engine |
| 01/29/1992 | EP0468556A1 Method for reducing methane exhaust emissions from natural gas-fuelled engines |
| 01/27/1992 | CA2047626A1 Method and apparatus to improve fuel economy of internal combustion engines |
| 01/14/1992 | US5080080 Method and apparatus to improve fuel economy of internal combustion engines |
| 12/31/1991 | US5076246 Device for conditioning of liquid fuel and liquid coolant |
| 12/25/1991 | CN1057316A Method and device for improving combustion efficiency of internal combustion engine |
| 12/24/1991 | CA1293415C Internal combustion engine |
| 12/18/1991 | EP0461347A1 Device for inserting a small amount of a rare earth containing mixture or composition into a combustion chamber |
| 12/13/1991 | WO1991019896A1 Device for inserting rare earth particles into a combustion chamber |
| 12/10/1991 | US5072092 Excimer laser treatment of engine bearing surfaces such as cylinders |
| 11/06/1991 | EP0451207A4 Method for reducing emissions from or increasing the utilizable energy of fuel for powering internal combustion engines |
| 10/29/1991 | US5060609 Internal combustion engine |
| 10/16/1991 | EP0451207A1 Method for reducing emissions from or increasing the utilizable energy of fuel for powering internal combustion engines. |
| 09/19/1991 | WO1991014085A1 An alternative method of energising a working fluid |
| 09/11/1991 | CN1054473A 内燃机 Internal combustion engine |
| 09/03/1991 | US5044346 Fuel activation method and fuel activation device |
| 09/03/1991 | CA2019587A1 Alternative method of energising a working fluid |
| 08/20/1991 | US5040517 Carburetor preheater |
| 07/25/1991 | DE4020936C1 Combustion engine chamber wall lining - by soot formed by combustion of carbonaceous material, esp. acetylene, gives constant wall dimensions |
| 07/23/1991 | US5034020 Fuel additives to improve combustion, a platinum compound |
| 06/27/1991 | WO1991009216A1 Process and device for improving the combustion of fuels with gases containing oxygen, and process for manufacturing said device |
| 06/13/1991 | DE3940654A1 Verfahren und vorrichtung zur verbesserung des verbrennungsprozesses von brennstoffen mit sauerstoff enthaltenden gasen sowie verfahren zum herstellen einer solchen vorrichtung A method and apparatus for improving the combustion process of fuel with oxygen-containing gases as well as method of manufacturing such a device |
| 06/12/1991 | EP0431920A1 Internal combustion engine |
| 04/24/1991 | EP0423111A1 Process and device for improving the combustion process of fuels with oxygen containing gases and process for manufacturing said device |