| Patents for F02M 25 - Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel, or fuel-air mixture (28,324) |
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| 11/24/1998 | US5839421 Evaporation gas intercepting system for automotive vehicle |
| 11/24/1998 | US5839418 Dual stage nitrous oxide and fuel injection plate |
| 11/24/1998 | CA2149466C Evaporative fuel discharge-preventing device for engine |
| 11/19/1998 | DE19734493C1 Fuel system for internal combustion (IC) engine |
| 11/19/1998 | DE19720425A1 Thermostatic valve for coolant flow |
| 11/18/1998 | EP0878619A2 Device for recirculating exhaust gas for an engine in a vehicle |
| 11/18/1998 | EP0878610A1 Exhaust gas purifying apparatus |
| 11/18/1998 | EP0878227A2 Device and element for separating liquids from gas streams |
| 11/18/1998 | EP0817910B1 Canister purge flow regulator |
| 11/18/1998 | CN1199444A Multi-stage combustion engine |
| 11/17/1998 | US5836293 Evaporated fuel treatment device of an engine |
| 11/17/1998 | US5836291 Evaporated fuel processing apparatus for an internal combustion engine |
| 11/17/1998 | CA2133013C Air-fuel ratio control system for internal combustion engines |
| 11/17/1998 | CA2083559C Exhaust gas recirculation supply tube for automotive engine |
| 11/12/1998 | DE19719278A1 Diagnosis method for IC engine exhaust feedback system |
| 11/12/1998 | DE19719268A1 Electromagnetic fuel injection valve operating method for IC engine |
| 11/12/1998 | DE19717846A1 Internal combustion engine with return of exhaust gas to incoming gas |
| 11/10/1998 | US5832897 Method and arrangement for controlling an internal combustion engine |
| 11/10/1998 | US5832896 Governor and control system for internal combustion engines |
| 11/10/1998 | US5832721 Method and system for estimating a midbed temperature of a catalytic converter in an exhaust system having a variable length exhaust pipe |
| 11/05/1998 | WO1998049439A1 Method and device for leakage testing in a tank system |
| 11/04/1998 | EP0875675A2 Engine supercharging system using screw supercharger |
| 11/04/1998 | EP0875412A2 A fuel reserving device |
| 11/04/1998 | EP0744006B1 Engine |
| 11/04/1998 | EP0705383B1 Valve mechanism for an internal combustion engine |
| 11/03/1998 | US5829416 Fuel-vapor treating apparatus |
| 11/03/1998 | US5829407 Internal combustion engines |
| 10/29/1998 | DE19725668C1 Exhaust gas recirculation circuit for internal combustion engine |
| 10/29/1998 | DE19725011C1 Exhaust gas recirculation circuit for internal combustion engine |
| 10/29/1998 | DE19715785A1 Kraftstoffinjektor für eine Brennkraftmaschine für Kraftstoff/Emulsionsbetrieb Fuel injector for an internal combustion engine for fuel / emulsion operation |
| 10/28/1998 | EP0740741B1 Canister purge system having improved purge valve |
| 10/27/1998 | US5826566 Evaporative fuel-processing system for internal combustion engines |
| 10/27/1998 | US5826565 Internal combustion engine with externally supplied ignition and direct injection |
| 10/27/1998 | US5826559 Lean-burn internal combustion engine |
| 10/27/1998 | US5826427 Compression ignition type engine |
| 10/27/1998 | CA2050545C Mixture control unit for soil venting apparatus |
| 10/22/1998 | WO1998046875A1 Injector for an internal combustion engine working with fuel/emulsion |
| 10/22/1998 | WO1998046867A1 Method for reducing emissions from a diesel engine |
| 10/22/1998 | WO1998028529A3 Apparatus and method for controlling the flow of crankcase emissions in an internal combustion engine |
| 10/22/1998 | DE19730403C1 Multi=cylinder air compressing injection combustion engine |
| 10/21/1998 | EP0872633A2 Process for the reduction of nitrogen oxides in the exhaust gas of an internal combustion engine |
| 10/21/1998 | CN1196441A Method for complete combustion of combustible mixed gas for internal combustion engine |
| 10/20/1998 | US5823167 Control system for internal combustion engines |
| 10/20/1998 | US5823148 Apparatus for introducing combustion supporting particles to an internal combustion engine |
| 10/14/1998 | EP0870106A1 Motor vehicle tank ventilation device |
| 10/08/1998 | DE19814667A1 Air/fuel ratio control system for internal combustion engine |
| 10/08/1998 | DE19734494C1 Management of combustion engines to give minimal emissions |
| 10/08/1998 | DE19713930A1 Exhaust gas filter for internal combustion engine |
| 10/08/1998 | DE19713927A1 Two=stroke internal combustion engine |
| 10/07/1998 | EP0869276A1 Exhaust gas recirculation system for an internal combustion engine |
| 10/07/1998 | EP0869275A1 Exhaust gas recirculation system for an internal combustion engine |
| 10/07/1998 | EP0869274A1 Mixing valve, especially an exhaust gas recirculation valve for an internal combustion engine. |
| 10/07/1998 | EP0869268A2 Air/fuel control for engines |
| 10/07/1998 | EP0868605A2 A method and apparatus for reducing pollutants and contaminants in exhaust gases of an engine |
| 10/07/1998 | CN2293653Y Engine lean combustion auxiliary apparatus |
| 10/06/1998 | US5819196 Method and system for adaptive fuel delivery feedforward control |
| 10/06/1998 | US5818117 Engine induction air driven turbine-alternator incorporating speed control of the turbine in response to alternator output voltage |
| 10/06/1998 | US5817925 In an engine-powered automotive vehicle evaporative emission control system |
| 10/06/1998 | US5816287 Apparatus for preventing discharge of fuel vapor |
| 10/06/1998 | US5816223 Evaporative emission control system for providing fuel to vapor to automotive engine |
| 10/06/1998 | US5816222 Defect diagnosing apparatus for evaporative purge system |
| 10/06/1998 | US5816214 For preventing polluting gases from vehicles from diffusing in the atmosphere |
| 10/06/1998 | US5816209 Fuel injection system |
| 10/01/1998 | DE19713085A1 Checking working order of motor vehicle fuel tank ventilation system |
| 09/30/1998 | EP0867609A1 Method and system for estimating a midbed temperature of a catalytic converter in an exhaust system |
| 09/30/1998 | EP0867604A1 Method and apparatus for maintaining catalyst efficiency of a nox trap |
| 09/29/1998 | US5813434 Evaporative fuel processing device |
| 09/29/1998 | US5813427 Counter-current check device for a canister in an automobile |
| 09/29/1998 | US5813224 Method and apparatus for reducing NOx in the exhaust streams of internal combustion engines |
| 09/29/1998 | US5813223 Combustion and filtration of exhaust from internal combustion engines using rare earth metals |
| 09/29/1998 | US5813222 Internal combustion engines |
| 09/24/1998 | WO1998041746A1 Method for controlling a combustion engine during starting and a combustion engine for implementing the method |
| 09/24/1998 | DE19728353C1 IC engine with turbo charger |
| 09/24/1998 | DE19712133A1 Device for ventilation of fuel tank of internal combustion engine |
| 09/23/1998 | EP0866220A1 Exhaust gas recirculation valve for a combustion engine |
| 09/23/1998 | EP0865571A1 Adsorption filter for the fuel tank venting system of an internal combustion engine and process for operating said system |
| 09/22/1998 | US5809978 Adsorption filter for a fuel-vapor retention system of a fuel tank of an internal combustion engine |
| 09/22/1998 | US5809977 From a fuel tank of an internal combustion engine |
| 09/22/1998 | US5809976 Vent control valving for fuel vapor recovery system |
| 09/22/1998 | US5809964 Method and apparatus to accomplish exhaust air recirculation during engine braking and/or exhaust gas recirculation during positive power operation of an internal combustion engine |
| 09/17/1998 | DE19710839A1 Reduction of carbon mon:oxide and hydrocarbon pollutants in exhaust gases |
| 09/17/1998 | DE19708937A1 Combustion engine and method of its operation |
| 09/16/1998 | EP0864741A2 Device for flushing a charcoal canister and for leak testing of a vehicule engine fuel tank installation connected to said canister |
| 09/16/1998 | EP0864356A2 Apparatus for the post-treatment of exhaust gases of a spark ignition engine |
| 09/16/1998 | EP0864034A1 Stratified charged engine |
| 09/16/1998 | EP0797731B1 Intake system for an internal combustion engine |
| 09/16/1998 | CN1193408A Electromagnetic actuator arrangement for engine control valve |
| 09/15/1998 | US5808189 For measuring an intake manifold pressure of an internal combustion engine |
| 09/15/1998 | US5806507 Evaporated fuel treatment device of an engine |
| 09/15/1998 | US5806501 Evaporated fuel treatment device of an engine |
| 09/15/1998 | US5806500 Fuel vapor recovery system |
| 09/15/1998 | US5806308 Exhaust gas recirculation system for simultaneously reducing NOx and particulate matter |
| 09/15/1998 | US5806305 Method for improving the conversion efficiency of a catalytic converter |
| 09/15/1998 | US5806304 Method of managing the operation of an internal combustion engine |
| 09/11/1998 | WO1998039563A1 Exhaust gas recirculation system employing a turbocharger incorporating an integral pump, a control valve and a mixer |
| 09/09/1998 | EP0863301A1 Process for controlling auto ignition in a four stroke engine |
| 09/09/1998 | CN1039721C Organometallic complex-antioxidant combinations, concentrates and diesel fuel contg. same |
| 09/08/1998 | US5803056 Canister vent valve having electric pressure sensor and valve actuator |
| 09/08/1998 | US5803055 Device for detecting replenishment of fuel tank of an engine and diagnostic device for evaporated fuel processing mechanism of the engine |
| 09/08/1998 | US5803054 Evaporative fuel-processing system for internal combustion engines for vehicles |