| 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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| 01/11/1990 | WO1990000225A1 Adaptive process and device for fuel tank ventilation with lambda regulation |
| 01/11/1990 | DE3822157A1 Method for the exhaust emission control of diesel engines |
| 01/10/1990 | EP0349729A1 Exhaust gas recirculation device |
| 01/09/1990 | US4891939 System for the cryogenic processing and storage of combustion products of heat engines |
| 12/28/1989 | WO1989012810A1 Remote mixing control tool with cleaning function |
| 12/27/1989 | CN2050083U Nature-changing device for vehicle alcohols |
| 12/19/1989 | US4887578 On board refueling vapor recovery system |
| 12/13/1989 | EP0345942A2 Adaptive control system for an internal combustion engine and method of operating an internal combustion engine |
| 12/12/1989 | US4886531 Air filter casing of an internal combustion engine |
| 12/12/1989 | US4886096 Evaporative emission control system |
| 12/12/1989 | US4886033 Stabilized flow control valve |
| 12/12/1989 | US4886026 Fuel injection control system |
| 12/05/1989 | US4884533 Method of and an arrangement for burning a liquid or gaseous fuel in a combustion chamber of an internal combustion engine |
| 11/29/1989 | CN2048515U Power saving device for inner combustion engine |
| 11/28/1989 | US4883023 Polymeric membrane air separator for a turbocharger and brake system in a vehicle |
| 11/21/1989 | US4881509 Electronic control device for internal combustion engine with EGR control apparatus |
| 11/14/1989 | US4879986 Malfunction detection of an engine exhaust gas recirculation system |
| 11/14/1989 | US4879975 Alcohol fuel operation conversion means for internal combustion engines |
| 11/08/1989 | EP0340745A1 Device for feeding a fuel additive into the fuel tank of motor vehicle |
| 11/07/1989 | US4878475 Fuel supply system for internal combustion engines |
| 11/02/1989 | WO1989010472A1 Process and device for adjusting a fuel tank ventilator valve |
| 11/01/1989 | CN1036816A Method and apparatus for greatly reducing fuel consume and invironment polluting products in internal combustion engines and in combustion processes |
| 10/31/1989 | US4877001 Fuel vapor recovery system |
| 10/26/1989 | DE3812242A1 Exergy engine-reciprocating piston internal combustion engine with reduced fuel demand |
| 10/25/1989 | EP0338007A1 Process and apparatus for mixing aerosols and combustion air |
| 10/24/1989 | US4875455 Automobile exhaust gas recirculating system |
| 10/10/1989 | US4872439 Device for preventing outflow of a fuel vapor from a fuel tank |
| 10/03/1989 | US4870942 Diagnosis device for exhaust gas recycling device of internal combustion engine |
| 10/03/1989 | US4870941 Exhaust gas recirculation system for internal combustion engine |
| 09/27/1989 | EP0334471A2 Controlling exhaust gas emissions |
| 09/27/1989 | EP0334311A2 Device for the combustion improvement of endothermic engines |
| 09/26/1989 | US4869739 A chamber filled with activated carbons particle containing heat-accumulating solid fillers having a higher specific heat; automobiles |
| 09/26/1989 | US4869461 Canister purge valve with resilient armature |
| 09/26/1989 | US4869223 Fuel control apparatus |
| 09/26/1989 | CA1260343A1 Exhaust gas recirculation system for crankcase scavenged two cycle engine |
| 09/20/1989 | EP0333664A2 Method and apparatus for greatly reducing the fuel consume and environment polluting substances in internal combustion engines and combustion processes |
| 09/19/1989 | US4867126 System for suppressing discharge of evaporated fuel gas for internal combustion engine |
| 09/12/1989 | US4865000 Air-fuel ratio control system for internal combustion engine having evaporative emission control system |
| 09/12/1989 | US4864821 Method and apparatus for filtering solid particulate matter from diesel engine exhaust |
| 09/08/1989 | WO1989008185A1 Installation for purifying the exhaust fumes of an internal combustion engine in operation |
| 09/08/1989 | WO1989008034A1 Motor vehicle |
| 09/07/1989 | DE3903474A1 Method for operating an internal combustion engine |
| 09/06/1989 | EP0330864A2 Device for controlling the evaporation of fuel in motor vehicles |
| 09/06/1989 | CN2044009U Ozone combustion-supporting automobile fuel-economizor |
| 09/05/1989 | US4864103 Canister cover heater for automotive vapor canister |
| 09/05/1989 | US4862859 Apparatus and operating method for an internal combustion engine |
| 09/05/1989 | US4862856 Control system of evaporated fuel |
| 08/30/1989 | EP0329828A1 Device for cleaning the exhaust gas of an internal-combustion engine during operation |
| 08/29/1989 | US4860716 Multi-cylinder diesel internal combustion engine with low compression ratio in the cylinders |
| 08/29/1989 | US4860715 Device for purifying fuel vapors generated in vehicle fuel tank |
| 08/29/1989 | EP0270576A4 Alcohol fuel operation conversion means for internal combustion engines. |
| 08/29/1989 | CA1258796A1 Fuel vapor control device |
| 08/23/1989 | EP0281572B1 Multi-cylinder diesel internal combustion engine with low compression ratio in the cylinders |
| 08/16/1989 | CN1034785A Method for improving combustion in combustion engines |
| 08/15/1989 | US4856483 Vacuum bleed and flow restrictor fitting for fuel injected engines with vapor separator |
| 08/15/1989 | US4856473 Internal combustion engine with multiple intake valves and EGR arrangement |
| 08/10/1989 | WO1989007196A1 Method for improving combustion in combustion engines |
| 08/10/1989 | DE3802364A1 Internal combustion engine |
| 08/08/1989 | US4854291 Cylinder head for use in diesel engines |
| 08/02/1989 | EP0325698A2 Device for feeding measured quantities of volatile fuel components to the intake conduit of an internal-combustion engine |
| 08/01/1989 | US4853009 Multi orientation fuel vapor storage canister assembly |
| 08/01/1989 | US4852761 In tank vapor storage canister |
| 07/27/1989 | DE3801268A1 Fuel system for a motor vehicle |
| 07/26/1989 | CN1034248A Pyrolysis reactor of alcohols |
| 07/18/1989 | US4848303 Method of controlling operation of internal combustion engines |
| 07/18/1989 | CA1257516A1 Automotive dispensing apparatus for fuel additive |
| 07/13/1989 | WO1989006312A1 Vacuum bleed and flow restrictor fitting for fuel injected engines with vapor separator |
| 07/12/1989 | CN1033832A Method and apparatus of mixing water with fuel and produced fuel-water emulsion |
| 07/11/1989 | US4846848 Gasoline composition |
| 07/11/1989 | US4846135 Device for recovering gasoline vapors |
| 07/11/1989 | US4846134 Apparatus and method for removing and burning hydrocarbon vapors using an internal combustion engine |
| 07/05/1989 | CN1004719B Low compression ratio multi-cylinder diesel engine |
| 07/04/1989 | US4844028 Method for reducing the consumption of fuel of a heat engine which employs combustion of hydrocarbons, and for reducing atmospheric pollutants, and device for carrying out this method |
| 06/28/1989 | EP0321508A1 Internal combustion engine with exhaust return system, in particular otto engine |
| 06/28/1989 | CN2040150U Automobile oil purifying and saving device |
| 06/27/1989 | US4841940 Air-fuel ratio control device of an internal combustion engine |
| 06/27/1989 | US4841933 Adaptive control system for an internal combustion engine |
| 06/21/1989 | EP0321451A2 Diesel particulate oxidizer regeneration system |
| 06/20/1989 | US4840350 Electrically actuated EGR valve |
| 06/15/1989 | DE3740479A1 Intake pipe for internal combustion engines |
| 06/13/1989 | US4838229 Air-fuel ratio control device of an internal combustion engine |
| 06/07/1989 | EP0318714A2 Exhaust gas recirculation device for internal combustion engines |
| 06/06/1989 | US4836506 Valve control for back draft carburetor |
| 06/06/1989 | US4836172 Canister device for use in gasoline tank |
| 06/06/1989 | US4835964 Diesel particulate oxidizer regeneration system |
| 06/06/1989 | CA1255173A1 Compression ignition engine fumigation system |
| 05/30/1989 | US4834054 Method of detecting a fault of an exhaust gas recirculation system |
| 05/30/1989 | US4834050 Air-fuel ratio control device of an internal combustion engine |
| 05/30/1989 | CA1254806A1 Vacuum regulator |
| 05/30/1989 | CA1254805A1 Exhaust gas reflux apparatus |
| 05/24/1989 | EP0316331A1 Injection device for introducing fuels in the combustion chamber of an internal combustion engine. |
| 05/23/1989 | US4831992 Method for compensating for a tank venting error in an adaptive learning system for metering fuel and apparatus therefor |
| 05/23/1989 | US4831971 Method for mixing fuel with water, apparatus for carrying out the method and fuel-water mixture |
| 05/23/1989 | US4831970 Device for the injection in internal combustion engines of combustible emulsions with a readily variable emulsion ratio |
| 05/16/1989 | US4829958 Device and method for introducing pressurized gas into a combustion chamber of a reciprocating internal combustion engine |
| 05/10/1989 | EP0314878A2 Method for adjusting the loaded length of the spring of an exhaust gas recirculation valve for an internal combustion engine |
| 05/05/1989 | WO1989003933A1 Method for mixing fuel with water, apparatus for carrying out the method and fuel-water emulsion |
| 05/02/1989 | US4825841 Diagnosis device for an internal combustion engine exhaust gas recycling device |
| 05/02/1989 | US4825840 Exhaust gas recirculation valve construction and method of making the same |
| 05/02/1989 | US4825830 Pump system for injection of fuel into the combustion chambers of internal combustion engines |