| 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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| 04/26/1989 | EP0313086A1 Method for mixing fuel with water and apparatus for carrying out the method |
| 04/26/1989 | EP0312641A1 Method for mixing fuel with water, apparatus for carrying out the method and fuel-water mixture |
| 04/25/1989 | US4823798 Diagnosing system for an exhaust gas recirculation system of an automotive engine |
| 04/25/1989 | US4823759 Pressure deriving port of internal combustion engine |
| 04/19/1989 | EP0312033A2 Exhaust gas recirculation for a diesel engine |
| 04/19/1989 | EP0311877A2 Method and cylinder head for admitting fuel to a piston engine |
| 04/18/1989 | US4821701 Purge corruption detection |
| 04/18/1989 | US4821686 Two-stroke internal combustion engine with cylinder head valves |
| 04/18/1989 | CA1252680A1 Electric vacuum regulator |
| 04/13/1989 | DE3832500A1 Internal combustion engine with regeneratable filter for fuel vapours |
| 04/12/1989 | EP0311286A1 Vapor vent valve apparatus |
| 04/11/1989 | US4819607 for controlling the flow of liquid from a fuel tank |
| 04/11/1989 | CA1252355A1 Intake manifold for internal combustion engine having exhaust gas recirculation system |
| 04/05/1989 | CN2035389U Oxygen adding device for power equipment combusting liquid fuel with atomizer |
| 04/04/1989 | US4817576 Vaporized fuel control apparatus for internal combustion engines |
| 04/04/1989 | US4817568 Dual fuel compression ignition engine |
| 03/29/1989 | EP0209550B1 Additional liquid fuel vaporizer for internal combustion engine |
| 03/28/1989 | US4815436 Apparatus for preventing the outlfow of a fuel from a fuel tank for vehicle |
| 03/22/1989 | EP0192654B1 Fuel-economy and emission-control device for internal combustion engines |
| 03/16/1989 | DE3729468A1 Control device for exhaust gas recirculation into the intake line of an internal combustion engine |
| 03/15/1989 | CN2034199U Automobile generater with combustible gas reclaiming device |
| 03/14/1989 | US4811718 Fuel supply system for internal combustion engine |
| 03/14/1989 | US4811697 For an internal combustion engine |
| 03/09/1989 | DE3801948C1 Activated carbon filter for fuel-tank ventilation |
| 03/07/1989 | US4809667 Apparatus for controlling amount of fuel-vapor purged from canister to intake air system |
| 03/07/1989 | US4809539 For testing and adjusting internal combustion engine |
| 02/28/1989 | CA1250640A1 Egr diagnostic system |
| 02/23/1989 | DE3744175C1 Venting device for a fuel tank |
| 02/23/1989 | DE3727195A1 Additional gas feed device on an internal combustion engine |
| 02/21/1989 | US4805582 Exhaust gas recirculation valve |
| 02/21/1989 | US4805581 Arrangement of canister-used emission control system in motor vehicle |
| 02/09/1989 | WO1989001105A1 Electrically actuated egr valve |
| 02/07/1989 | US4802335 Feeding, agitating, heating emulsified water-magnesium exhaust soot mixture; controlling flow rate |
| 02/01/1989 | EP0301944A1 Fuel vapour recovery device |
| 01/31/1989 | US4800848 Water injection apparatus for internal combustion engines |
| 01/24/1989 | CA1249191A1 Intake manifold for internal combustion engine having exhaust gas recirculation system |
| 01/18/1989 | EP0299132A1 Device for vaporizing a fuel-water emulsion for an internal-combustion engine |
| 01/17/1989 | US4798306 Fuel tank venting |
| 01/12/1989 | WO1989000241A1 Internal combustion engine, in particular otto engine with exhaust return system |
| 01/11/1989 | CN1030253A Process for prevention or reduction of deposits in carburetors, injection devices and similar devices of engines |
| 01/10/1989 | US4796593 Tank mounted valve for fuel vapor recovery system |
| 01/10/1989 | US4796590 Rapid-response method and devices for detection of poor combustion |
| 01/03/1989 | US4794903 Recirculated exhaust gas quantity control apparatus for internal combustion engine |
| 12/27/1988 | US4793839 Arrangement of canister-used emisson control system in motor vehicle |
| 12/27/1988 | US4793318 Diagnostic system for exhaust gas recirculation device |
| 12/20/1988 | US4791896 Water cooled scavenged crankcase type Otto internal combustion engine |
| 11/29/1988 | US4787643 Arrangement of canister-used emission control system in motor vehicle |
| 11/29/1988 | US4787359 Exhaust/fuel mixer/vaporizer |
| 11/24/1988 | DE3715388A1 Intermittent Operation in Diesel Engines for Burning off the Oil Soot in the Soot Filter |
| 11/23/1988 | EP0235189B1 Dual fuel compression ignition engine |
| 11/17/1988 | WO1988008928A1 Exhaust gas recirculation |
| 11/15/1988 | CA1244918A1 Analog duty cycle to bcd converter |
| 11/15/1988 | CA1244731A1 Means and method for alcohol fumigation in internal combustion engines |
| 11/09/1988 | EP0290088A1 Gasoline composition |
| 11/09/1988 | EP0289785A1 Process to prevent or reduce scales in mixture preparation devices of engines |
| 11/08/1988 | US4782811 Exhaust gas recirculation valve construction and method of making the same |
| 11/08/1988 | US4782797 Induction system |
| 11/03/1988 | DE3712978A1 Internal combustion engine, especially for motor vehicles |
| 11/01/1988 | US4781729 Method and apparatus for improving the efficiency of internal combustion engines |
| 11/01/1988 | US4781154 Two-cycle internal combustion engine |
| 10/27/1988 | DE3743806A1 Two-stroke internal-combustion engine with improved flushing |
| 10/26/1988 | EP0288090A2 Fuel vapour purging device for a fuel tank |
| 10/25/1988 | US4779600 Engine |
| 10/25/1988 | US4779576 Water cooled scavenged crankcase type otto internal combustion engine |
| 10/18/1988 | US4778495 Self regulating electrical resistance heater for purge air |
| 10/06/1988 | WO1988007625A1 Exhaust gas recirculation valve construction and method of making |
| 10/05/1988 | EP0285190A1 Device for the injection in internal combustion engines of combustible emulsions with a readily variable emulsion ratio |
| 10/04/1988 | US4774810 Method of and apparatus for improving the efficiency of internal combustion engines |
| 10/04/1988 | CA1242620A1 Rapid response device for detecting incomplete combustion and method therefor |
| 09/27/1988 | US4773981 Apparatus for improving internal combustion engine efficiency |
| 09/27/1988 | US4773379 Apparatus for controlling pressure-activated actuator, and apparatus for controlling exhaust-gas recirculation |
| 09/20/1988 | US4771602 Gas purification system through a filter system, especially applicable to internal combustion engines |
| 09/15/1988 | DE3806266A1 Piston cooling for a reciprocating piston internal combustion engine |
| 09/14/1988 | EP0281572A1 Multi-cylinder diesel internal combustion engine with low compression ratio in the cylinders. |
| 09/14/1988 | CN87208722U Petrol mixing methyl alcohol burning device for motor |
| 09/13/1988 | US4770677 Vapor recovery system |
| 09/13/1988 | US4770151 Anti-pollution attachment for internal combustion engines |
| 09/13/1988 | US4770148 Method of controlling operation of internal combustion engines in dependence upon intake air temperature |
| 09/07/1988 | EP0280678A1 Method for reducing nitric oxide emissions in exhaust gases from diesel engines. |
| 09/06/1988 | US4768493 Blow-by gas heating system for internal combustion engines |
| 09/06/1988 | US4768481 Process and engine using compression ignition of a homogeneous fuel-air mixture |
| 08/31/1988 | EP0280121A2 Air plenum chamber |
| 08/30/1988 | US4766872 Canister for capturing evaporated fuel |
| 08/24/1988 | EP0279429A2 Two-stroke internal combustion engine with cylinder head valves |
| 08/18/1988 | DE3801910A1 Heating for a motor vehicle driven by diesel internal combustion engine |
| 08/17/1988 | EP0210177B1 Method for modifying the operation parameters of internal combustion machines |
| 08/16/1988 | US4763635 Discharge system for introducing volatilized fuel into an internal combustion engine |
| 08/16/1988 | US4763634 Air-fuel ratio control system for automotive engines |
| 08/16/1988 | US4763610 Engine assembly |
| 08/09/1988 | US4762156 Fuel fill vapor recovery system with vapor recirculation |
| 08/09/1988 | US4762109 Device for and method of affecting control of operational magnitudes of internal combustion engines having exhaust gas circulation |
| 07/27/1988 | EP0275842A1 Method for optimizing combustion processes by mixing an aqueous saline aerosol containing ionic species to the combustion air and improved apparatus for an automatic control of said mixing |
| 07/21/1988 | DE3800651A1 Two-stroke internal combustion engine with cylinder head valves |
| 07/21/1988 | DE3700291A1 Internal combustion engine |
| 07/20/1988 | EP0275169A2 Adaptive control system for and method of controlling an internal combustion engine |
| 07/20/1988 | EP0275168A2 Adaptive control system for an internal combustion engine |
| 07/19/1988 | US4758255 Canister for adsorbing fuel vapors |
| 07/19/1988 | US4757787 Method of and an arrangement for burning a liquid or gaseous fuel in a combustion chamber of an internal combustion engine |
| 07/19/1988 | US4757683 Exhaust gas recirculation method for internal combustion engines |
| 07/12/1988 | US4756285 Combustion process for internal combustion engine |