| 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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| 03/22/2000 | CN1050647C Water spraying diesel engine |
| 03/21/2000 | US6039034 Exhaust gas recirculation valve |
| 03/21/2000 | US6039033 Apparatus of exhaust gas recirculation valve for an internal combustion engine |
| 03/21/2000 | US6039032 Air-fuel ratio controller for an internal combustion engine |
| 03/21/2000 | US6039025 Internal combustion engine |
| 03/21/2000 | US6039022 Co-axial master piston assembly |
| 03/21/2000 | US6038912 Failure detection system of pressure sensor |
| 03/21/2000 | US6038860 Exhaust gas recirculation method for an internal combustion engine |
| 03/21/2000 | CA2209356C Electromagnetic valve |
| 03/16/2000 | DE19941439A1 Diesel engine exhaust gas nitrogen oxide removal comprises exhaust gas oxygen content reduction, fuel injection into exhaust gas and controlled recycling of exhaust gas to intake manifold |
| 03/16/2000 | DE19844085C1 Combustion engine control method |
| 03/16/2000 | DE19841927A1 Einrichtung zur Rückführung eines Abgasstromes zum Saugrohr einer Brennkraftmaschine Means for returning an exhaust gas flow to the intake manifold of an internal combustion engine |
| 03/15/2000 | EP0985819A2 Arrangement of fuel pump and EGR valve unit in an in-cylinder injection engine |
| 03/15/2000 | EP0985818A1 Flow rate control valve |
| 03/15/2000 | EP0985817A1 Exhaust gas reflux device |
| 03/15/2000 | EP0985092A1 Exhaust gas recirculation device |
| 03/15/2000 | EP0812385A4 Supercharged internal combustion engine |
| 03/14/2000 | US6035835 Valve operation verification system for verifying valve operation of valve disposed in hot gas flow passage |
| 03/14/2000 | US6035834 Nitrogen oxides reducing aftercooler for turbocharged engines |
| 03/14/2000 | US6035708 Method for detecting a tanking operation on a receptacle |
| 03/14/2000 | US6035640 Control method for turbocharged diesel engines having exhaust gas recirculation |
| 03/14/2000 | US6035639 Method of estimating mass airflow in turbocharged engines having exhaust gas recirculation |
| 03/09/2000 | WO2000012889A1 Valve for the introduction of metered doses of volatilized fuel |
| 03/09/2000 | WO2000012888A2 Fuel supply system for a vehicle including a vaporization device for converting fuel and water into hydrogen |
| 03/09/2000 | WO2000012884A1 Multiple-cylinder internal combustion engine and a method for operating the same |
| 03/09/2000 | DE19858293C1 Turbocharged internal combustion engine has common control for adjusting exhaust gas feedback valve and limit stop for variable geometry of exhaust gas turbine |
| 03/09/2000 | DE19854461C1 Automobile internal combustion engine has pivoted valve plate for adjusting exhaust gas feedback between exhaust gas line and air intake line |
| 03/09/2000 | DE19851677C1 Motor vehicle internal combustion engine exhaust gas recycling circuit has plate valve on shaft with axial stop spaced from valve plate |
| 03/09/2000 | DE19837303A1 Water dosing valve for rotary piston engine has shaft with longitudinal water groove, fixed valve plate with water channel, and loose valve plate |
| 03/08/2000 | EP0984154A2 Method and apparatus for controlling air-fuel ratio in engines |
| 03/08/2000 | EP0984153A2 Control system for turbocharged engine |
| 03/08/2000 | EP0984148A2 Fuel metering system and method |
| 03/08/2000 | EP0983433A1 Premixed charge compression ignition engine with optimal combustion control |
| 03/08/2000 | EP0983430A1 Method for controlling a combustion engine during starting and a combustion engine for implementing the method |
| 03/08/2000 | EP0826105B1 Canister purge system having improved purge valve control |
| 03/08/2000 | CN1050171C Two-cycle engine of spark ignition type |
| 03/07/2000 | USRE36600 Internal pressure adjusting system for a fuel tank and method thereof |
| 03/07/2000 | US6032753 Catalyst temperature control apparatus for hybrid vehicle |
| 03/07/2000 | US6032656 Integrated internal combustion engine control system with high-precision emission controls |
| 03/07/2000 | US6032465 Integral turbine exhaust gas recirculation control valve |
| 03/07/2000 | CA2157717C Anti-permeation filter for vapor management valve |
| 03/02/2000 | WO2000011334A1 Compressed air assisted fuel injection system |
| 03/02/2000 | WO1999042718A9 Premixed charge compression ignition engine with optimal combustion control |
| 03/02/2000 | DE19941177A1 Conduit system for evaporated fuel for vehicle engine has cleaning tubular component between canister and inlet or suction system |
| 03/02/2000 | DE19839476A1 Ventil zum dosierten Einleiten von verflüchtigtem Brennstoff Valve for the metered introduction of volatilized fuel |
| 03/02/2000 | DE19838959A1 Fuel delivery system of IC engine has devices to maintain increased pressure prevailing in fuel tank and temperature sensor in fuel tank coupled to engine control unit |
| 03/02/2000 | DE19838725A1 Mehrzylindrige Brennkraftmaschine und Verfahren zum Betreiben einer solchen Multi-cylinder internal combustion engine and method for operating such a |
| 03/01/2000 | EP0982490A2 Fuel vapor control apparatus |
| 03/01/2000 | EP0982486A2 Internal combustion engine |
| 03/01/2000 | EP0981706A1 Gate-valve system |
| 03/01/2000 | EP0864034B1 Stratified charged engine |
| 02/29/2000 | US6032088 Method for checking vehicle component systems in motor vehicles |
| 02/29/2000 | US6029635 Fuel vapor emission preventing system |
| 02/29/2000 | US6029627 Apparatus and method for controlling air/fuel ratio using ionization measurements |
| 02/29/2000 | US6029622 Fuel control method and system for cylinder injection type internal combustion engine |
| 02/29/2000 | US6029451 Method of operating an internal combustion engine |
| 02/29/2000 | US6029442 Method and apparatus for using free radicals to reduce pollutants in the exhaust gases from the combustion of fuel |
| 02/24/2000 | WO2000009881A1 Evaporated fuel processing device of internal combustion engine |
| 02/24/2000 | WO2000009876A1 Engine combustion control device |
| 02/24/2000 | DE19939619A1 Four-stroke engine has controller that sets outlet valve timing for closure near TDC; mixture ignited near TDC for high load; closure advanced, compression ignition used for lower load |
| 02/24/2000 | DE19837509A1 Exhaust system for IC engine with catalytic converter has part exhaust gas storage volume with shut-off valve to maintain vacuum and under pressure pump for evacuation |
| 02/24/2000 | DE19837507A1 Exhaust system for IC engine with catalytic converter has part exhaust gas storage volume with shut-off valve to maintain vacuum and under pressure pump for evacuation |
| 02/23/2000 | EP0980970A2 Exhaust gas recirculation mechanism for engine and method for controlling exhaust gas recirculation valve |
| 02/23/2000 | EP0980966A1 Exhaust system with reservoir for an internal combustion engine |
| 02/22/2000 | US6026791 Exhaust gas recirculation valve with integral feedback proportional to volumetric flow |
| 02/17/2000 | WO2000008319A1 Bi-turbocharger internal combustion engine with exhaust gas recycling |
| 02/17/2000 | DE19836648A1 Fluidventil Fluid valve |
| 02/17/2000 | DE19836442A1 Internal combustion motor air intake system has grid unit in air intake hose to prevent entry of dirt and especially oil into air intake |
| 02/17/2000 | DE19836295A1 Method for checking the functionality of vehicle tank ventilation equipment detects parameters in source pressure during the introduction of excess pressure in order to specify the march of pressure |
| 02/17/2000 | DE19836102A1 Method of testing plausibility of motor vehicle tank pressure sensor |
| 02/17/2000 | DE19835741A1 System to control the setting units of an internal combustion motor takes their reaction times into account with the control times for their effects to be simultaneous |
| 02/17/2000 | DE19834332A1 Testing functionability of container especially of tank venting system includes determining curve and/or required volume flow using pressure |
| 02/17/2000 | DE19820707C1 Emulgiervorrichtung Emulsifying |
| 02/17/2000 | DE19819937C1 Operation controller for internal combustion engine |
| 02/16/2000 | EP0979938A2 Fluid valve |
| 02/16/2000 | CN2364231Y Gas producer using water as feedstock |
| 02/16/2000 | CN2364230Y Energy-saving smoking elminator for IC engine |
| 02/16/2000 | CN2364229Y Water-adding combusting aid for compression ignition IC engine |
| 02/16/2000 | CN1244628A Nitrogen-free compression-less two-stroke circulation of internal combustion engine |
| 02/15/2000 | US6024075 Engine control system with exhaust gas recirculation and method for determining proper functioning of the EGR system in an automotive engine |
| 02/15/2000 | US6024069 Controller for an internal combustion engine |
| 02/15/2000 | US6023965 Method of compensating for boil-off alcohol in a flexible fueled vehicle with a PCV solenoid |
| 02/15/2000 | US6023928 Method for reducing emissions from a diesel engine |
| 02/10/2000 | WO2000006886A1 Device and method for testing the operability of a tank ventilation system of an internal combustion engine |
| 02/10/2000 | WO2000006885A1 Exhaust gas recirculation assembly |
| 02/10/2000 | WO1999067508B1 Method and apparatus for reducing particulates and nox emissions from diesel engines utilizing oxygen enriched combustion air |
| 02/10/2000 | DE19935886A1 Steuersystem für die Dampfrückführung bei einem Verbrennungsmotor A control system for the vapor recirculation in an internal combustion engine |
| 02/10/2000 | DE19850581C1 Torque measuring method for i.c. engine with direct diesel injection uses parameters representing engine operating point for addressing characteristic field providing maximum torque corrected by further engine operating parameters |
| 02/09/2000 | EP0898647B1 Engine with egr management system |
| 02/09/2000 | EP0708884B1 Cylinder head assembly |
| 02/09/2000 | CN2363073Y Hydrolytic type internal combustion engine |
| 02/08/2000 | US6021745 Fuel lead additive device |
| 02/03/2000 | WO2000005492A1 Combustion of fats and oils |
| 02/03/2000 | WO2000004989A2 Method and apparatus for enhancing the rate and efficiency of gas phase reactions |
| 02/03/2000 | DE19833865A1 Vorrichtung und Verfahren zur Prüfung der Funktionsfähigkeit einer Tankentlüftungsanlage einer Brennkraftmaschine Apparatus and method for testing the operability of a tank ventilation system of an internal combustion engine |
| 02/03/2000 | CA2338261A1 Method and apparatus for enhancing the rate and efficiency of gas phase reactions |
| 02/02/2000 | EP0975865A1 Injector for an internal combustion engine working with fuel/emulsion |
| 02/02/2000 | CN2361854Y Rear air intake front adding oxygen pollution-reducing dedvice for vehicle carburetor |
| 02/02/2000 | CN2361853Y Fuel economizer for using oil adding water as fuel |
| 02/01/2000 | US6019094 Engine exhaust recirculation device |