| 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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| 01/14/1993 | DE4218104A1 Waste heat recovery system for reciprocating piston engine - consists of heat accumulator fastened to piston to supply heat exchanger to maintain compression chamber temperature. |
| 01/14/1993 | DE4122975A1 Tankentlueftungsanlage fuer ein kraftfahrzeug sowie verfahren und vorrichtung zum ueberpruefen von deren funktionsfaehigkeit Tankentlueftungsanlage for a motor vehicle and method and apparatus for inspection of their funktionsfaehigkeit |
| 01/13/1993 | EP0523029A2 A device at intake systems for internal combustion engines |
| 01/13/1993 | EP0522283A1 Tank ventilation system and method and means for detection its function |
| 01/13/1993 | CN1019875C Emulsifying device of diesel oil |
| 01/12/1993 | US5178121 Air/fuel ratio control system for internal combustion engine |
| 01/12/1993 | US5178118 Energy system for applying mixed hydrogen and gasoline to an engine |
| 01/12/1993 | US5178117 Evaporative fuel-purging control system for internal combustion engines |
| 01/12/1993 | US5178116 Valve for metered admixing of volatilized fuel to the fuel/air mixture of an internal combustion engine |
| 01/05/1993 | US5176123 Evaporative fuel-purging control system for internal combustion engines |
| 12/30/1992 | EP0520659A1 Improved fuel injection valve arrangement and engine using such an arrangement |
| 12/29/1992 | US5174938 Process for producing fuel absorbent |
| 12/29/1992 | US5174265 For adsorbing fuel vapor |
| 12/24/1992 | DE4120196A1 Exhaust recirculation ratiometer esp. for vehicular combustion engine - opens pneumatic recirculation valve under electronic control, responsive to intake temps., engine speed and load |
| 12/22/1992 | US5173095 Evaporative fuel control canister containing absorbent swelling by absorbing liquid fuel |
| 12/22/1992 | US5172674 Internal combustion engine |
| 12/22/1992 | US5172672 Evaporative fuel purge apparatus |
| 12/22/1992 | US5172550 Zeolite catalyst capable of reducing nitrogen oxides under oxidizing gas conditions |
| 12/17/1992 | DE4119272A1 Hydrocarbon emission filter system vehicle fuel tanks - has additional filler contg. active carbon@, porous polymer etc. for reducing desorbed hydrocarbon concn. peak |
| 12/16/1992 | CN1066993A Quantitative magnetic mixer for liquid |
| 12/15/1992 | US5170765 Canister for storing fuel |
| 12/09/1992 | EP0517257A1 Fuel absorbent |
| 12/09/1992 | CN1066909A Pilot/main fuel injection method for diesel engines |
| 12/08/1992 | US5168839 Engine induction system |
| 12/08/1992 | US5168836 Emission control system |
| 12/08/1992 | US5168706 Thermally insulated turbocharged engine |
| 12/03/1992 | DE4117829A1 Oxygen@ enrichment process for combustion air - is used for engines and fire-boxes, using reversible oxygen sorbent esp. per:fluorocarbon |
| 12/02/1992 | EP0515841A1 Method for the controlled supply of an additive into the fuel stock of a vehicle combustion engine |
| 12/02/1992 | CN1066674A Organometallic complex-antioxidant combinations, concentrates and diesel fuels containing same |
| 11/26/1992 | WO1992020762A1 Organometallic complex-antioxidant combinations, and concentrates and diesel fuels containing same |
| 11/25/1992 | EP0514961A1 Fuel vapour storage canister assembly |
| 11/24/1992 | US5165379 Automotive fuel tank vapor control system |
| 11/19/1992 | EP0514236A1 Method for introducing additional gas for an internal combustion engine |
| 11/17/1992 | US5163388 Two-stroke i.c. engine with a super charger |
| 11/17/1992 | US5163295 Controlling exhaust gas recirculation in a pressure boosted internal combustion engine |
| 11/12/1992 | WO1992016734A3 Process and device for tank ventilation |
| 11/12/1992 | DE4214880A1 Diesel engine exhaust gas feedback system - corrects calculated exhaust gas feedback ratio for detected turbocharger compressor pressure |
| 11/11/1992 | EP0512597A1 Fuel vapour storage canister with volume change compensator |
| 11/11/1992 | EP0512320A1 Solid dye preparations with improved water solubility |
| 11/10/1992 | US5161497 Variable valve timing operated engine |
| 10/29/1992 | WO1992018765A1 Process and device for monitoring the performance of a fuel tank ventilation system |
| 10/29/1992 | WO1992018764A1 Process and device for testing a fuel tank ventilation system |
| 10/27/1992 | US5158061 Exhaust gas recirculation supply tube for automotive engine |
| 10/27/1992 | US5158059 Method of detecting abnormality in an internal combustion engine |
| 10/27/1992 | US5158054 Malfunction detection apparatus for detecting malfunction in evaporated fuel purge system |
| 10/21/1992 | EP0509372A1 Fuel injection method for a diesel engine with pilot injection |
| 10/20/1992 | US5155994 Noble metal base catalyst and downstream intermediate product decomposing means in exhaust conduit reduce nitrogen oxides to nitrogen and oxygen |
| 10/15/1992 | WO1992017698A1 Diagnostic system for canister purge system |
| 10/15/1992 | DE4111360A1 Verfahren und vorrichtung zum pruefen einer tankentluefungsanlage Method and apparatus for testing a tankentluefungsanlage |
| 10/14/1992 | EP0507997A2 Device for controlled introduction of volatile fuel components into the suction pipe of an internal combustion engine |
| 10/14/1992 | EP0507996A2 Device for controlled introduction of exhaust gases into the combustion chamber of an internal combustion engine |
| 10/13/1992 | US5154156 Failure diagnosis device of an exhaust gas recirculation control device |
| 10/07/1992 | EP0506698A1 Regulated flow canister purge system. |
| 10/06/1992 | US5152273 Exhaust gas recirculation control device and its failure diagnosis device |
| 10/01/1992 | WO1992016735A1 Method and device for verifying the operating condition of a system for recovering vapours originating from the fuel tank of a motor vehicle |
| 10/01/1992 | WO1992016734A2 Process and device for tank ventilation |
| 10/01/1992 | WO1992016733A1 Engine exhaust gas recirculation (egr) |
| 09/30/1992 | CN2117474U Two-function forced ventilating apparatus of motor vehicle crankcase |
| 09/29/1992 | US5150695 Electronic control apparatus for an internal combustion engine |
| 09/29/1992 | US5150694 Diesel engine closed loop air/fuel ratio control |
| 09/29/1992 | US5150689 Fuel tank vapor control system with means for warning of malfunction of canister |
| 09/29/1992 | US5150686 Evaporative fuel control apparatus of internal combustion engine |
| 09/29/1992 | US5150680 Internal combustion engine control method and apparatus |
| 09/29/1992 | CA1308090C Electrically actuated egr valve |
| 09/24/1992 | DE4109401A1 Verfahren und vorrichtung zur tankentlueftung Method and device for tankentlueftung |
| 09/22/1992 | US5149466 Water vaporizer |
| 09/22/1992 | US5148793 Compartmental evaporative canister and pressure control valve assembly |
| 09/22/1992 | US5148678 Exhaust gas flow control valve for internal combustion engine |
| 09/17/1992 | DE4123046C1 Pollutant reducing and power improving for IC engines - guides exhaust gas in fine dispersion through liq. filled vessel for reapplication |
| 09/16/1992 | EP0503882A1 Exhaust gas purification system for an internal combustion engine |
| 09/16/1992 | EP0503279A1 Means for measuring the quantity of liquid fuel in a tank |
| 09/15/1992 | US5147417 Air-intake system for mobile engines |
| 09/15/1992 | US5146902 Positive pressure canister purge system integrity confirmation |
| 09/15/1992 | US5146901 Vapor suppressing fuel handling system |
| 09/03/1992 | DE4203235A1 Failure-diagnostic device for engine exhaust recirculation control - evaluates cumulative drop in inlet manifold pressure within limited time after closure of recirculating system |
| 09/01/1992 | US5144102 Fluid pressure switch adapted for low fluid pressure and throughputs |
| 09/01/1992 | US5143120 Electromagnetic valve assembly |
| 09/01/1992 | US5143041 Venting device for a fuel tank of an internal combustion engine |
| 09/01/1992 | US5143035 Apparatus for detecting malfunction in evaporated fuel purge system |
| 09/01/1992 | US5143025 Hydrogen and oxygen system for producing fuel for engines |
| 09/01/1992 | US5142866 Sequential turbocharger system for an internal combustion engine |
| 08/26/1992 | EP0499900A1 Two-stage high flow purge valve |
| 08/19/1992 | EP0498947A1 Combustion engine with exhaust gas recirculation |
| 08/18/1992 | US5139001 Fuel supply system |
| 08/16/1992 | WO1992014921A1 Regulated canister purge solenoid valve having improved purging at engine idle |
| 08/16/1992 | CA2104115A1 Regulated canister purge solenoid valve having improved purging at engine idle |
| 08/11/1992 | US5137004 Trouble diagnosis device for EGR system |
| 08/11/1992 | US5137002 Vapor separator |
| 08/11/1992 | US5136986 Dual fuel injection structure |
| 08/06/1992 | WO1992013181A1 Hydrocarbon emission control |
| 08/05/1992 | EP0497677A1 Improvements for exhaust gas recirculation devices |
| 08/04/1992 | US5135551 Muffler with replaceable filters |
| 07/30/1992 | DE4102761A1 Intake water feed device - is for IC engine in vehicle and feeds water into air intake socket |
| 07/29/1992 | EP0496526A1 Exhaust gas purification system for an internal combustion engine |
| 07/29/1992 | EP0496487A1 Emission control system |
| 07/29/1992 | EP0321508B1 Internal combustion engine with exhaust return system, in particular otto engine |
| 07/22/1992 | EP0495161A1 Device for temporary storing and feeding measured quantities of evaporated fuel from the free space of a tank in the intake manifold of an internal combustion engine |
| 07/21/1992 | US5131229 Internal-combustion engine with exhaust gas turbocharger |
| 07/16/1992 | DE4124812A1 Throttle actuator for diesel engine - with height correction for throttle stop, to reduce intake tube underpressure |
| 07/16/1992 | DE4110003C1 Electromagnetic pressure transducer for pneumatic control of motor vehicle - has aperture set by adjustable iron@ core having opening for receiving plunger |