| 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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| 02/17/1998 | US5718259 Motor driven type flow rate controlling valve |
| 02/17/1998 | US5718211 Exhaust gas recirculation valve |
| 02/17/1998 | US5718210 Testing apparatus for fuel vapor treating device |
| 02/17/1998 | US5718209 Fuel vapor storage canister |
| 02/17/1998 | US5718208 Fuel vapor management system |
| 02/17/1998 | US5718202 Apparatus for an internal combustion engine |
| 02/12/1998 | WO1998005853A1 Additive dispensing apparatus |
| 02/12/1998 | CA2261148A1 Additive dispensing apparatus |
| 02/10/1998 | US5715799 Method of leak detection during low engine vacuum for an evaporative emission control system |
| 02/10/1998 | US5715794 Engine control system and method |
| 02/05/1998 | WO1998004817A1 Internal combustion engine |
| 02/05/1998 | WO1998004815A1 Device and method for purification of exhaust gas |
| 02/05/1998 | DE19631338A1 Internal exhaust gas recirculation system |
| 02/05/1998 | DE19631337A1 Exhaust gas recirculation system for internal combustion engine |
| 02/04/1998 | EP0557525B1 Method and device for preparation of fuel-air mixture for internal combustion engine |
| 02/03/1998 | US5713315 Multiple step valve opening control system |
| 01/29/1998 | DE19630141A1 Method for operation of low=pollution diesel engines |
| 01/29/1998 | DE19629015A1 Cooling device for exhaust gas recirculation system |
| 01/29/1998 | DE19627412C1 Device for venting internal combustion engine fitted with at least two exhaust gas turbochargers |
| 01/28/1998 | EP0821152A2 Evaporated fuel treatment device of an engine |
| 01/28/1998 | EP0820560A1 Exhaust-gas recirculation system for an internal combustion engine |
| 01/28/1998 | EP0820342A1 Process and device for reducing pollutants, especially nitrogen oxides in combustion exhaust gases |
| 01/28/1998 | CN1171835A Means and method for operating evaporative emission system leak detection pump |
| 01/27/1998 | US5711270 Method of controlling the fuel supply to a diesel engine which by high-pressure injection may be supplied with both fuel oil and fuel gas, and a high-pressure gas injection engine of the diesel type |
| 01/27/1998 | US5711154 Supercharged multicylinder internal combustion engine with exhaust recycling |
| 01/27/1998 | US5711149 Device for purifying the exhaust gas of a diesel engine |
| 01/22/1998 | WO1998002653A1 Improved internal combustion engine and working cycle |
| 01/22/1998 | DE19730998A1 Motor driven flow control valve for internal combustion engine |
| 01/21/1998 | EP0819462A2 Gas purification arrangement for an internal combustion engine comprising nitricoxide adsorbers |
| 01/21/1998 | CN1170817A Lean-burn internal combustion engine |
| 01/21/1998 | CN1170778A Environment protection type high efficiency hydrogen-oxygen machine for vehicle |
| 01/20/1998 | US5709189 Controlled-ignition direct fuel injection four-cycle internal combustion engine |
| 01/15/1998 | WO1998001663A1 Fuel purge control |
| 01/15/1998 | WO1998001662A1 Device for improving the combustion of a fuel |
| 01/15/1998 | DE19728480A1 Diesel engine throttle valve actuator |
| 01/15/1998 | DE19628375A1 Air feed valve for motor vehicle IC engine exhaust |
| 01/15/1998 | CA2259614A1 Device for improving the combustion of a fuel |
| 01/14/1998 | EP0818621A1 Evaporative fuel treating apparatus for multiple cylinder engine |
| 01/14/1998 | EP0817911A1 Adsorption filter for a fuel-vapour retention system for the fuel tank of an internal-combustion engine |
| 01/14/1998 | EP0817910A1 Canister purge flow regulator |
| 01/14/1998 | EP0817909A1 Butterfly valve for egr |
| 01/14/1998 | EP0680556B1 Process for calculating the air filling volume in an internal combustion engine with a variable gas exchange control |
| 01/13/1998 | US5707430 Concentration of hydrocarbon discharged from canister by break-through is detected; accuracy |
| 01/13/1998 | US5706789 Vaporized fuel control apparatus and a control method of the same in an internal combustion engine |
| 01/13/1998 | US5706780 Diesel engine fuel property determining device and controller |
| 01/08/1998 | DE19729007A1 Diagnosing functioning states of catalytic converter |
| 01/08/1998 | DE19726217A1 Vehicle driven by internal combustion engine |
| 01/08/1998 | DE19626252A1 High pressure test pump for testing car tank system |
| 01/07/1998 | EP0816732A2 Electromagnetic valve |
| 01/07/1998 | EP0816666A2 Exhaust gas recirculation device |
| 01/07/1998 | EP0816647A1 Exhaust gas purifying apparatus and method for internal combustion engine |
| 01/07/1998 | EP0816196A2 Manifold pressure regulation for pneumatic brake booster in a lean-burn engine |
| 01/07/1998 | EP0612374B1 Fuel injection nozzle with additive injection for diesel engines |
| 01/06/1998 | US5704585 Electrical connection between closure cap and internal actuator of an electrically actuated valve |
| 01/06/1998 | US5704337 Fuel tank |
| 01/06/1998 | US5704324 Engine |
| 01/02/1998 | DE19726317A1 Fuel control system for motor vehicle IC engine |
| 01/02/1998 | DE19726315A1 Idling speed control system for motor vehicle IC engine |
| 01/02/1998 | DE19625702A1 Pressure testing for vehicle tank leak tightness |
| 01/02/1998 | DE19625688A1 Load signal calculation method e.g. for motor vehicle IC engine with exhaust gas return (EGR) |
| 01/02/1998 | DE19624368A1 Mehrzylindrige fremdgezündete Brennkraftmaschine Multi-cylinder spark ignition internal combustion engine |
| 12/31/1997 | CN1168949A Support structure for intake manifold |
| 12/30/1997 | US5703285 Diagnosis apparatus and method for an exhaust gas recirculation unit of an internal combustion engine |
| 12/30/1997 | US5702125 Arrangement of disposition of canister in vehicle |
| 12/30/1997 | US5701874 Balanced valve control member for exhaust gas recycling |
| 12/30/1997 | US5701863 Aqueous fuel emulsion identification system and anti-tampering device for an internal combustion engine |
| 12/29/1997 | EP0814255A1 Vehicle driven by an internal combustion engine |
| 12/29/1997 | EP0814254A1 Process and device for admixing additives into a fluid stream |
| 12/29/1997 | EP0814245A1 Method and device for operating a spark ignited piston internal combustion engine |
| 12/29/1997 | EP0643804B1 Method and apparatus to reduce engine combustion noise utilizing unit valve actuation |
| 12/24/1997 | WO1997048898A1 Spark-ignition internal combustion engine with multiple cylinders |
| 12/24/1997 | WO1997048892A1 Internal combustion engine using water decomposition gas |
| 12/23/1997 | US5699778 Fuel evaporative emission suppressing apparatus |
| 12/23/1997 | US5699776 Nozzle for mixing oxidizer with fuel |
| 12/23/1997 | US5699775 Failure diagnosis device of fuel evaporation preventive apparatus |
| 12/18/1997 | WO1997047874A1 Adsorption filter for the fuel tank venting system of an internal combustion engine and process for operating said system |
| 12/18/1997 | WO1997047873A1 Force-balanced sonic flow emission control valve |
| 12/18/1997 | WO1997047865A1 Motor vehicle with an internal combustion engine with external exhaust gas recirculation system and heater |
| 12/18/1997 | DE19623970A1 Charged internal combustion engine with exhaust return |
| 12/18/1997 | DE19623740A1 Adsorption filter for fuel tank venting installation of internal combustion engine |
| 12/17/1997 | EP0812984A2 A malfunction determining apparatus of an exhaust gas recirculation system |
| 12/17/1997 | EP0812983A2 A malfunction determining apparatus of an exhaust gas recirculation system |
| 12/17/1997 | EP0812386A1 Device for exhaust gas recirculation with a closure member which can be actuated in the intake duct |
| 12/17/1997 | EP0812385A1 Supercharged internal combustion engine |
| 12/17/1997 | CN2270815Y Water supply supplementary device for internal-combustion engine |
| 12/17/1997 | CN1168167A Leak detection pump with integral vent seal |
| 12/16/1997 | US5697353 Feedback engine control system |
| 12/16/1997 | US5697348 Vapor management system |
| 12/11/1997 | WO1997046798A1 Device for introducing a small amount of noble earths, in particular cerium, into an internal combustion engine combustion chamber |
| 12/11/1997 | DE19622836A1 Accessory arrangement for supplying water for internal combustion (IC) engine |
| 12/11/1997 | DE19618791C1 Fuel injection system for diesel engine |
| 12/11/1997 | DE19617885A1 Verfahren zur Verringerung des Rußgehaltes im Abgas eines Dieselmotors und Einrichtung zur Durchführung dieses Verfahrens Process for reducing the soot content in the exhaust gas of a diesel engine and means for carrying out this method |
| 12/10/1997 | EP0811762A1 Exhaust gas recirculation system |
| 12/10/1997 | EP0811755A1 Exhaust gas purifying method and apparatus for internal combustion engine |
| 12/10/1997 | EP0811152A1 Fuel vapor leak detection system |
| 12/10/1997 | EP0811117A1 Direct-injection spark-ignition internal combustion engine |
| 12/09/1997 | US5696317 Method for controlling rate of purging of evaporative fuel vapors |
| 12/09/1997 | US5694988 Fuel transfer device |
| 12/09/1997 | US5694911 Air/fuel ratio control apparatus |
| 12/09/1997 | US5694908 Auxiliary water-supply sytem for an internal combustion engine |