| 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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| 09/16/1999 | WO1999046491A1 Method for operating a spark-ignition engine with direct injection |
| 09/16/1999 | WO1999046484A1 High efficiency low pollution hybrid brayton cycle combustor |
| 09/16/1999 | DE4025565C2 Controlled IC exhaust gas buffer and recycle system - improving cold start=up efficiency of catalytic converters using an engine management device |
| 09/16/1999 | DE19908962A1 Control valve for exhaust gas recycling for IC engine |
| 09/16/1999 | DE19810935A1 Procedure for running of four-stroke reciprocating piston internal combustion engine |
| 09/16/1999 | DE19810840A1 Mehrzylindrige Brennkraftmaschine mit Abgasrückführung Multi-cylinder internal combustion engine with exhaust gas recirculation |
| 09/16/1999 | DE19810212A1 Valve unit for tank breathers of motor vehicles |
| 09/16/1999 | CA2323541A1 High efficiency low pollution hybrid brayton cycle combustor |
| 09/15/1999 | EP0942166A2 Multicylinder engine with exhaust gas recirculation |
| 09/15/1999 | EP0941398A1 Method and device for treating fuel |
| 09/15/1999 | CN2338498Y Inlet oxygen increasing device for internal combustion engine |
| 09/14/1999 | US5950607 Evaporated fuel treatment device of an engine |
| 09/14/1999 | US5950605 For an internal combustion engine |
| 09/14/1999 | US5950604 Engine, engine manufacturing method and engine heat |
| 09/14/1999 | US5950603 Vapor recovery control system for direct injection spark ignition engines |
| 09/14/1999 | US5950595 Method and apparatus for controlling vacuum pressure in internal combustion engine |
| 09/14/1999 | US5950420 Method and arrangement for controlling exhaust emissions from an internal combustion engine |
| 09/10/1999 | WO1999045265A1 Device for recirculating exhaust gases in an internal combustion engine |
| 09/10/1999 | WO1999045264A1 Device for cooling gases |
| 09/10/1999 | WO1999045263A1 Device for recirculating exhaust gases in an internal combustion engine |
| 09/09/1999 | DE19905346A1 Fuel vapor recovery system for direct injection internal combustion engines |
| 09/09/1999 | DE19809862A1 Vorrichtung zur Rückführung von Abgasen bei einem Verbrennungsmotor Means for recycling exhaust gases in an internal combustion engine |
| 09/09/1999 | DE19809861A1 Vorrichtung zur Rückführung von Abgasen bei einem Verbrennungsmotor Means for recycling exhaust gases in an internal combustion engine |
| 09/09/1999 | DE19809859A1 Vorrichtung zur Kühlung von Gasen Device for cooling gases |
| 09/09/1999 | DE19809618A1 Two-stroke diesel engine with turbocharger e.g. for ship propulsion drive |
| 09/09/1999 | DE19809384A1 Testing functionality of motor vehicle tank ventilating system |
| 09/09/1999 | DE19808873A1 Multi-cylinder IC engine with secondary fuel injection for some cylinders |
| 09/09/1999 | DE19808832A1 Procedure for controlling charge air mass flow of IC engine charged up by exhaust turbocharger with adjustable geometry |
| 09/08/1999 | EP0940573A2 Cylinder head assembly |
| 09/08/1999 | EP0778920B1 Pumping device for fuel vapour control system and fuel vapour control system |
| 09/08/1999 | EP0640178B1 Fuel/gas delivery system for internal combustion engines |
| 09/07/1999 | US5947097 Apparatus and method for controlling intake air amount in engines that perform lean combustion |
| 09/07/1999 | US5947092 For an internal combustion engine |
| 09/07/1999 | US5946906 Exhaust gas purification system of internal combustion engine |
| 09/02/1999 | WO1999043946A1 Intake device for an internal combustion engine |
| 09/02/1999 | WO1999043944A1 Exhaust gas recirculation valve with integral feedback proportional to volumetric flow |
| 09/02/1999 | WO1999043943A1 Mixing device for recirculated exhaust gas and fresh air charge |
| 09/02/1999 | WO1999043942A1 Exhaust gas reflux device |
| 09/02/1999 | WO1999043939A1 Method and device for fast automatic adaptation of richness for internal combustion engine |
| 09/02/1999 | WO1999043933A1 Method and device for cleaning exhaust gases |
| 09/02/1999 | DE19912778A1 IC engine performance improvement using a steam zone method |
| 09/02/1999 | DE19808574A1 Reciprocating piston engine with internal exhaust return |
| 09/01/1999 | EP0939210A2 Internal combustion engine having combustion heater |
| 09/01/1999 | EP0820342B1 Process and device for reducing pollutants, especially nitrogen oxides in combustion exhaust gases |
| 09/01/1999 | CN1227311A Internal combustion engine having combustion heater |
| 08/31/1999 | US5944003 Evaporated fuel treatment device of an engine |
| 08/31/1999 | US5943999 Malfunction determining apparatus of an exhaust gas recirculation system |
| 08/31/1999 | US5943997 Evaporative emissions control for carburetors |
| 08/31/1999 | US5943864 Exhaust gas turbocharger for an internal combustion engine |
| 08/31/1999 | CA2115072C Methanol fueled diesel cycle internal combustion engine |
| 08/26/1999 | WO1999042749A1 Gate-valve system |
| 08/26/1999 | WO1999042718A1 Premixed charge compression ignition engine with optimal combustion control |
| 08/26/1999 | WO1999042713A1 Method of operating an engine with a mixture of gaseous fuel and emulsified pilot fuel to reduce nitrogen oxide emissions |
| 08/26/1999 | WO1999042711A1 Treatment of engine blow-by gases |
| 08/26/1999 | WO1999042709A1 Combustion engine air supply system |
| 08/26/1999 | WO1999042708A1 Staged injection of an emulsified diesel fuel into a combustion chamber of a diesel engine |
| 08/26/1999 | DE19807503A1 Valve arrangement for tank venting systems in motor vehicles |
| 08/26/1999 | DE19807463A1 Intake device for IC engine |
| 08/26/1999 | CA2321284A1 Staged injection of an emulsified diesel fuel into a combustion chamber of a diesel engine |
| 08/25/1999 | EP0937887A2 Control system for an engine |
| 08/25/1999 | EP0937883A2 Method to control injection in a compression-ignition engine |
| 08/25/1999 | EP0937768A2 Water in viscous hydrocarbon emulsion combustible fuel for diesel engines and process for making same |
| 08/25/1999 | EP0937195A1 Valve unit |
| 08/25/1999 | CN1226634A Fuel saver of engine by moist-cured intake |
| 08/24/1999 | US5942026 Ozone generators useful in automobiles |
| 08/24/1999 | US5941267 Electrically controlled flow regulator valve with transient dampening |
| 08/24/1999 | US5941224 Air-fuel ratio control system for internal combustion engines |
| 08/24/1999 | US5941220 Motor vehicle with an internal combustion engine with an external exhaust gas recirculation system and heater |
| 08/24/1999 | US5941219 Method and apparatus for cleaning exhaust gas by alpha-decay |
| 08/24/1999 | US5941218 Welded construction for fuel vapor purge regulator valve assembly |
| 08/24/1999 | US5941066 Device for purifying the exhaust gas of an internal combustion engine |
| 08/19/1999 | DE19805526A1 Container for internal combustion engine to prevent diffusion of harmful gases into atmosphere |
| 08/18/1999 | EP0936097A1 A device for recovering fuel vapor in a fuel tank, and methods of using such a device |
| 08/18/1999 | EP0935990A1 Filter apparatus for canister |
| 08/18/1999 | EP0935706A1 Control system for exhaust gas recirculation system |
| 08/18/1999 | CN1225977A Low-pollution efficient energy-saving device for motor vehicle |
| 08/17/1999 | US5937835 EGR system and improved actuator therefor |
| 08/17/1999 | US5937834 Exhaust gas recirculation apparatus |
| 08/17/1999 | US5937816 Combination carburetor backing plate and crankcase breather |
| 08/17/1999 | US5937651 Internal combustion engine with exhaust gas turbocharger |
| 08/17/1999 | US5937650 Exhaust gas recirculation system employing a turbocharger incorporating an integral pump, a control valve and a mixer |
| 08/17/1999 | US5937639 Internal combustion engine |
| 08/17/1999 | US5937637 System for purifying exhaust gas for use in an automobile |
| 08/17/1999 | CA2262154A1 Filter apparatus for canister |
| 08/17/1999 | CA2108387C Vapor management valve |
| 08/12/1999 | WO1999040312A1 Combustion engine arrangement |
| 08/12/1999 | WO1999040301A1 Method for operating a four-stroke internal combustion engine |
| 08/12/1999 | WO1999040296A1 Method for operating a four-stroke internal combustion engine |
| 08/12/1999 | DE19805417A1 Electropneumatic pressure transducer for pneumatic controls in motor vehicles |
| 08/12/1999 | DE19804983A1 Verfahren zum Betrieb eines im Viertakt arbeitenden Verbrennungsmotors Method of operating a four-stroke operating in the combustion engine |
| 08/11/1999 | EP0935060A2 Exhaust gas recirculation control system |
| 08/11/1999 | CN2332822Y Economizing burning-aid device of engine |
| 08/10/1999 | US5934263 Internal combustion engine with camshaft phase shifting and internal EGR |
| 08/10/1999 | US5934260 For a vehicle |
| 08/10/1999 | US5934249 Engine control system and the method thereof |
| 08/10/1999 | US5934072 Exhaust gas purifying device for engine |
| 08/05/1999 | WO1999039095A1 Method for processing fuel before its inlet into the engine and internal combustion engine |
| 08/05/1999 | WO1999039094A2 Driver circuit for fuel vapor leak detection system |
| 08/05/1999 | DE19808098C1 Reduction of nitrogen oxides content in exhaust gases to meet future low temperature conversion regulations |
| 08/05/1999 | DE19802480A1 Hybrid drive for motor vehicles |