| 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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| 06/24/1997 | US5641344 Fuel vapor treatment device |
| 06/24/1997 | US5640848 Multi-cylinder internal combustion engine |
| 06/24/1997 | US5640845 For an internal combustion engine |
| 06/18/1997 | EP0778921A1 Pumping device |
| 06/18/1997 | EP0778920A1 Pumping device for fuel vapour control system and fuel vapour control system |
| 06/18/1997 | CN1035208C Active carcoal filter used for gas discharge of fuel box |
| 06/18/1997 | CN1035207C Regulating system for carburettor |
| 06/18/1997 | CN1035206C Internal combustion engine with supercharger |
| 06/17/1997 | US5639961 Of an internal combustion engine |
| 06/17/1997 | US5638795 Control system for internal combustion engines |
| 06/17/1997 | US5638786 Self-cleaning air filter for a fuel vapor recovery system |
| 06/12/1997 | WO1997021029A1 Method and device for the control of an internal-combustion engine |
| 06/12/1997 | DE19650342A1 Abnormality detection device for systems for preventing fuel evaporation |
| 06/12/1997 | DE19611363C1 Multicylinder piston internal combustion engine |
| 06/12/1997 | DE19545221A1 Verfahren und Vorrichtung zur Steuerung einer Brennkraftmaschine Method and apparatus for controlling an internal combustion engine |
| 06/11/1997 | EP0778409A2 Abnormality detecting apparatus for exhaust gas recirculation system for use in engine |
| 06/10/1997 | US5637788 For a vehicle |
| 06/10/1997 | US5636619 Method and apparatus for reducing cold-phase emissions by utilizing oxygen-enriched intake air |
| 06/10/1997 | US5636617 Engine fuel vapor processor |
| 06/05/1997 | WO1997020133A1 Stratified charged engine |
| 06/05/1997 | DE19621530C1 Method of reducing harmful emissions from multicylinder combustion engines |
| 06/04/1997 | EP0776413A1 Valve for the metered introduction of vaporised fuel |
| 06/03/1997 | US5635634 Method for calculating the air charge for an internal combustion engine with variable valve timing |
| 06/03/1997 | US5635633 Self-diagnosis apparatus using a pressure sensor |
| 06/03/1997 | US5635630 In an automotive vehicle evaporation emission control system |
| 06/03/1997 | US5634454 Failure detecting device for a fuel supply system of an internal combustion engine |
| 06/03/1997 | US5634452 Control system for internal combustion engines |
| 06/03/1997 | US5634451 Apparatus and method for treating fuel vapor of an engine |
| 06/03/1997 | US5634450 Canister and evaporative fuel-processing system employing same |
| 05/28/1997 | EP0775817A1 Exhaust gas recirculation for supercharged internal combustion engines |
| 05/28/1997 | DE19648482A1 Abgasrückführvorrichtung Exhaust gas recirculation device |
| 05/27/1997 | US5632808 Canister |
| 05/27/1997 | US5632258 Exhaust gas recirculation control apparatus for an internal combustion engine |
| 05/27/1997 | US5632257 Diagnosis apparatus and method for an exhaust gas recirculation unit of an internal combustion engine |
| 05/27/1997 | US5632252 Apparatus for controlling fuel evaporated from internal combustion engine |
| 05/27/1997 | US5632251 Engine fuel vapor treating apparatus |
| 05/27/1997 | US5632242 Fuel system for motor vehicles |
| 05/27/1997 | US5632144 Exhaust gas re-circulation control device for internal combustion engines |
| 05/22/1997 | WO1997008447A3 Construction for maintaining assembled axial integrity of an electrically actuated valve |
| 05/22/1997 | DE19647182A1 Idling control device for IC engine |
| 05/21/1997 | EP0774064A1 Integrity confirmation of evaporative emission control system against leakage |
| 05/21/1997 | EP0774063A1 Carburettor metering systems |
| 05/21/1997 | EP0774058A1 Ferrocene injection system |
| 05/21/1997 | EP0774056A1 Method in a combustion engine process |
| 05/21/1997 | EP0580603B1 Process and device for testing a fuel tank ventilation system |
| 05/21/1997 | CN1150447A Unleaded MMT fuel compositions |
| 05/20/1997 | US5630445 Fuel tank for automotive vehicles and evaporative emission control system incorporating same |
| 05/20/1997 | US5630403 In a vapor collection system for an internal combustion engine fuel system |
| 05/15/1997 | WO1997017618A1 Process for checking parts of motor vehicle systems |
| 05/15/1997 | DE19645280A1 Auxiliary gas flow introducer for induction channel of internal combustion engine |
| 05/15/1997 | DE19603592C1 Valve controller for IC engine esp. for exhaust gas return (EGR) valve |
| 05/14/1997 | EP0773128A2 Vehicle refueling valve |
| 05/14/1997 | EP0773056A1 Method for purifying an exhaust gas from a diesel engine |
| 05/13/1997 | US5629477 Testing apparatus for fuel vapor treating device |
| 05/13/1997 | US5628296 Temperature-compensated exhaust gas recirculation system |
| 05/13/1997 | US5628295 Two-stroke internal combustion engine |
| 05/09/1997 | WO1997016640A1 Valve for dosed feeding of vaporised fuel from a fuel tank of an internal combustion engine |
| 05/07/1997 | DE19644102A1 Diesel engine fuel viscosity detector |
| 05/07/1997 | DE19541176A1 Combustion engine with direct inert gas charge |
| 05/07/1997 | DE19540943A1 Verfahren zur Überprüfung von Fahrzeugteilsystemen bei Kraftfahrzeugen Proceedings for review of vehicle subsystems in motor vehicles |
| 05/06/1997 | US5626327 Solenoid-driven valve having a roller bearing |
| 05/06/1997 | US5626165 Valve for re-circulating exhaust gas |
| 05/06/1997 | US5626122 Air-fuel ratio control apparatus for an internal combustion engine |
| 05/02/1997 | EP0770775A1 Valve |
| 05/02/1997 | EP0770189A1 Engine induction air driven alternator |
| 05/02/1997 | EP0770093A1 Proteins from mammalian liver and their use in oncology |
| 04/30/1997 | DE19638685A1 Vaporised fuel recovery device for automobile IC engine |
| 04/30/1997 | DE19540021A1 Ventil zum dosierten Einleiten von aus einem Brennstofftank einer Brennkraftmaschine verflüchtigtem Brennstoffdampf Valve for the metered introduction of volatilized from a fuel tank of an internal combustion engine fuel vapor |
| 04/29/1997 | US5623914 Air/fuel ratio control apparatus |
| 04/29/1997 | US5623911 Fuel vapor treating apparatus |
| 04/29/1997 | US5623904 Air-assisted fuel injection system |
| 04/24/1997 | WO1997014883A1 Evaporated fuel control device for internal combustion engine |
| 04/24/1997 | DE19538786A1 Idling control for IC engine |
| 04/24/1997 | DE19538775A1 Leak test for fuel tank ventilation system |
| 04/17/1997 | WO1997013969A1 Elongated fuel-air bypass for internal combustion engine |
| 04/17/1997 | WO1997013967A1 Stratified charge engine |
| 04/17/1997 | WO1997013966A1 Multi-stage combustion engine |
| 04/16/1997 | EP0768462A1 Annular diffusor for exhaust gas recirculation for internal combustion engine |
| 04/16/1997 | EP0768457A1 Spark ignited four-stroke combustion engine with direct fuel injection |
| 04/16/1997 | EP0767870A1 Device for internal combustion engines |
| 04/15/1997 | US5621167 Exhaust gas recirculation system diagnostic |
| 04/15/1997 | US5620570 Mixing, emulsifying, aerating water and oil while applying low frequency, low voltage, current signals to weaken molecular bonds and increase dissolved oxygen content |
| 04/15/1997 | US5619974 Method for forming a signal relating to the quantity of exhaust gas recirculated in an internal combustion engine |
| 04/15/1997 | US5619973 Control system for internal combustion engines |
| 04/10/1997 | DE19536833A1 Fuel supply device for internal combustion engine |
| 04/09/1997 | EP0767303A1 Diesel engine |
| 04/09/1997 | EP0739446A4 Solenoid activated exhaust gas recirculation valve |
| 04/08/1997 | US5617834 Air-oil separator for a crankcase ventilation system in an internal combustion engine |
| 04/08/1997 | US5617833 Apparatus and method for diagnosing exhaust recirculation system in internal combustion engine |
| 04/08/1997 | US5617832 Evaporative fuel-processing system for internal combustion engines |
| 04/08/1997 | US5617726 For an internal combustion engine |
| 04/08/1997 | US5617719 Vapor-air steam engine |
| 04/03/1997 | DE19536646A1 Method of filling containers esp. motor vehicle fuel tanks |
| 04/02/1997 | EP0765433A1 A flow-through particulate incineration system coupled to an aerodynamically regenerated particulate trap for diesel engine exhaust gas |
| 04/02/1997 | CN1146790A Valve for the metered introduction of vaporised fuel |
| 03/27/1997 | WO1997011267A1 Arrangement and method for exhaust gas feedback in a four-stroke combustion engine |
| 03/26/1997 | EP0764780A2 Flow quantity valve controller and manufacturing method for flow quantity valve |
| 03/26/1997 | EP0764773A2 Four stroke internal combustion engine |
| 03/26/1997 | EP0764771A2 Compression ignition type engine |
| 03/26/1997 | CN1145981A Energy-saving device |