| 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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| 05/26/1993 | EP0543433A1 Method and apparatus for controlling the air/fuel ratio in a diesel engine |
| 05/25/1993 | US5213087 Device for supplying combusted gases to the combustion chamber of an internal combustion engine at a controlled rate |
| 05/19/1993 | EP0542264A1 Four-stroke cycle engine |
| 05/18/1993 | US5211151 Apparatus for restricting discharge of evaporated fuel gas |
| 05/18/1993 | US5211147 Reverse stratified, ignition controlled, emissions best timing lean burn engine |
| 05/13/1993 | DE4238068A1 Diesel engine exhaust gas feedback control - regulates flow vol. through exhaust gas feedback channel dependent on press. in exhaust gas line containing particle filter |
| 05/13/1993 | DE4137179A1 Vorrichtung zum erzeugen einer wasser-in-oel emulsion Apparatus for producing a water-in-oil emulsion |
| 05/12/1993 | EP0460006B1 Process for optimising fuel combustion with the minimum co emission and device for implementing it |
| 05/11/1993 | US5209212 Exhaust-gas recirculation system for an internal combustion engine |
| 05/11/1993 | US5209210 Evaporative emission control system |
| 05/11/1993 | US5209209 Device at intake systems for internal combustion engines |
| 05/11/1993 | US5209191 Air intake manifold for an internal combustion engine |
| 05/11/1993 | US5209061 Lean NOx catalyst, temperature sensor |
| 05/05/1993 | EP0539576A1 Organometallic complex-antioxidant combinations, and concentrates and diesel fuels containing same. |
| 05/05/1993 | CN1020469C Method and apparatus of mixing water with fuel and produced fuel-water emulsion |
| 05/04/1993 | US5207808 Canister for adsorbing evaporated fuel |
| 05/04/1993 | US5207734 Engine exhaust system for reduction of hydrocarbon emissions |
| 05/04/1993 | US5207714 Exhausted gas recycle device |
| 05/04/1993 | US5207185 Emissions reduction system for internal combustion engines |
| 05/04/1993 | US5207093 Failure diagnosis device for an EGR control system |
| 04/29/1993 | WO1993008385A1 Internal combustion engine ignition device |
| 04/29/1993 | DE4215949C1 Fuel control system for IC engine - incorporates vapour separator and storage tank and regulating valves controlling admission of liq. petrol and vapour to manifold. |
| 04/28/1993 | EP0539166A2 Automobile parts and fuel vapour storage canisters |
| 04/27/1993 | US5205265 Exhaust gas recirculation system |
| 04/27/1993 | US5205264 Fuel vaporizer and system for an internal combustion engine |
| 04/27/1993 | US5205263 Tank-venting apparatus as well as a method and an arrangement for checking the same |
| 04/27/1993 | US5205260 Method for detecting cylinder air amount introduced into cylinder of internal combustion engine with exhaust gas recirculation system and for controlling fuel injection |
| 04/22/1993 | DE4234841A1 Exhaust gas feedback control for diesel engine - controls throttle to allow regeneration of particle filter in exhaust line |
| 04/22/1993 | DE4209469C1 Turbo-charged IC engine - has annular channel in spiral housing of exhaust turbine and forming compressor with blade section of turbine wheel |
| 04/22/1993 | DE4134199A1 Scavenging method for activated carbon filter - uses scavenging airflow, which is fed into exhaust cleaner, during certain operational conditions of engine |
| 04/20/1993 | US5203870 Method and apparatus for detecting abnormal state of evaporative emission-control system |
| 04/20/1993 | US5203830 Method and apparatus to reduce engine combustion noise utilizing unit valve actuation |
| 04/20/1993 | US5203313 Exhaust gas recirculation system for an internal combustion engine |
| 04/20/1993 | US5203312 Exhaust gas recirculation system for internal combustion engine |
| 04/20/1993 | US5203311 Exhaust gas recirculation system for an internal combustion engine |
| 04/20/1993 | US5203310 Process for reducing the harmful components in exhaust gas and engine implementing the process |
| 04/20/1993 | US5203300 Idle speed control system |
| 04/13/1993 | US5202296 Chemically treated air filter for enriching the oxygen present in an airstream |
| 04/13/1993 | US5201303 Egr control device for an engine |
| 04/13/1993 | US5201299 Rotary gaseous fuel injector |
| 04/13/1993 | CA1316052C Remote mixing control tool with cleaning function |
| 04/08/1993 | DE4232044A1 Mixture control for ic engine with temperature limiting - has proportion of exhaust gases recycled when engine torque is high and with stoichiometric mixture |
| 04/07/1993 | EP0536001A1 Control system for internal combustion engines |
| 04/06/1993 | US5199404 Regulated flow canister purge system |
| 04/06/1993 | US5199398 Fuel injection valve arrangement |
| 04/01/1993 | WO1993006357A1 Procedure and device for checking the operability of tank-venting system |
| 04/01/1993 | DE4231316A1 Self correcting control for recycling exhaust gases in IC engine - provides variable return flow, analysis of engine operation with varying recycling and fail=safe control upon failure. |
| 04/01/1993 | DE4132055A1 Verfahren und vorrichtung zum pruefen der funktionsfaehigkeit einer tankentlueftungsanlage Method and apparatus for testing the funktionsfaehigkeit a tankentlueftungsanlage |
| 03/31/1993 | EP0534464A1 A valve for a circuit for recovering fuel vapours coming from a motor vehicle fuel tank |
| 03/31/1993 | EP0428550B1 Stereo lambda control system |
| 03/30/1993 | US5197442 Tank-venting arrangement and method of operating the same |
| 03/25/1993 | DE4131626A1 Fuel injection control for low emission IC engine - uses detected fuel ratio to control fuel injection into combustion space |
| 03/24/1993 | EP0533546A1 Improvements to exhaust gas recirculation devices |
| 03/24/1993 | EP0533405A1 An internal combustion engine |
| 03/23/1993 | US5195498 Tank-venting apparatus as well as a method and arrangement for checking the tightness thereof |
| 03/23/1993 | US5195495 Evaporative fuel-purging control system for internal combustion engines |
| 03/23/1993 | US5195466 Method for the controlled addition of an additive to the fuel supply of a vehicle internal combustion engine |
| 03/19/1993 | WO1993006358A1 Method and device for preparation of fuel-air mixture for internal combustion engine |
| 03/18/1993 | WO1993005289A2 Methanol fueled diesel cycle internal combustion engine |
| 03/17/1993 | EP0532420A1 Method and device for measuring the torque of a thermal internal combustion engine, by considering especially the recirculation of exhaust gases and residual burned gases and of the fuel excess |
| 03/17/1993 | EP0531693A2 Exhaust system of an internal combustion engine |
| 03/16/1993 | US5194075 Evaporative fuel recovery apparatus |
| 03/16/1993 | US5193513 Misfire detection in an internal combustion engine using exhaust pressure |
| 03/16/1993 | US5193512 Tank-venting system for a motor vehicle and method for checking the operability thereof |
| 03/16/1993 | US5193511 Evaporated fuel processing apparatus for an internal combustion engine |
| 03/10/1993 | EP0531277A2 Internal combustion engine having an inlet and outlet system, a turbocharger and a pressure accumulator |
| 03/10/1993 | EP0530609A1 Device for feeding a fuel additive for an internal combustion engine |
| 03/10/1993 | EP0530532A1 Method and apparatus for direct solid material addition of fuels with ferrocen |
| 03/09/1993 | US5191870 Diagnostic system for canister purge system |
| 03/02/1993 | US5190017 Exhaust gas recirculation system fault detector |
| 03/02/1993 | US5190015 Evaporated fuel discharge suppressing apparatus for an internal combustion engine |
| 03/02/1993 | US5190014 Vaporized fuel control system for vehicular internal combustion engine |
| 03/02/1993 | US5189990 Combustion apparatus |
| 02/24/1993 | EP0528150A1 System and method for feeding fuel to a fine-particle-mixed fuel burning diesel engine |
| 02/23/1993 | US5188141 Vacuum boost valve |
| 02/23/1993 | US5188087 Method for controlling an exhaust gas recirculation system of a flexible fuel vehicle engine |
| 02/23/1993 | US5188086 Exhaust gas recirculation coupler and differential venturi |
| 02/23/1993 | US5188085 Device for measuring concentration/flow rate of a mixture drawn into an internal combustion engine and air-fuel ratio control system of the engine incorporating the device |
| 02/18/1993 | DE4216759C1 Reduction of nitrogen oxide(s) in exhaust gases from combustion engine - includes recycling exhaust gas during high load operation |
| 02/17/1993 | EP0527523A1 Evaporative emission control system |
| 02/17/1993 | EP0527362A1 Method and device for reducing nitrogen oxide emissions from internal combustion engines |
| 02/16/1993 | US5186153 Tank-venting arrangement for a motor vehicle and method for checking the operability thereof |
| 02/16/1993 | US5186139 Diesel engine |
| 02/09/1993 | US5184594 Failure diagnosis device of an egr control device |
| 02/09/1993 | US5184593 Flow control valve |
| 02/09/1993 | US5184591 Device for temporarily storing volatile fuel constituents and supplying them at a controlled rate to the intake pipe of an internal combustion engine |
| 02/09/1993 | US5184462 Method and an apparatus for the treatment of exhaust gas from an IC engine |
| 02/04/1993 | WO1993002283A1 Fuel-tank aeration system, a motor vehicle with such a system, and a method and device for checking the operability of such a system |
| 02/04/1993 | WO1993002282A1 Multi-slope canister purge solenoid valve |
| 02/02/1993 | US5183023 Evaporative emission control system for supercharged internal combustion engine |
| 02/02/1993 | US5183022 Multi-slope canister purge solenoid valve |
| 02/02/1993 | US5183020 Ignition timing control apparatus for engine |
| 02/02/1993 | US5182945 Method and arrangement for checking the controllability of a tank venting valve |
| 01/28/1993 | DE4215557A1 Low-emission IC engine - has cylinder, each with discharge slot and discharge valve, uses oxidation gas of ozone and oxygen |
| 01/28/1993 | DE4124653A1 Activated carbon@ filter for fuel tank ventilation for IC engine - has plastics internal housing and outer fuel vapour-impermeable sheet metal housing |
| 01/28/1993 | DE4124465A1 Tankentlueftungsanlage und kraftfahrzeug mit einer solchen sowie verfahren und vorrichtung zum pruefen der funktionsfaehigkeit einer solchen Tankentlueftungsanlage and motor vehicle with such a method and apparatus for testing and the funktionsfaehigkeit such |
| 01/26/1993 | US5181497 Evapo-control valve |
| 01/23/1993 | CA2068454A1 Engine exhaust system for reduction of hydrocarbon emissions |
| 01/21/1993 | WO1993001405A1 Tank ventilation system for a motor vehicle and process and device for testing its efficiency |
| 01/19/1993 | US5179925 Hot restart compensation |