| Patents for F02M 33 - Other apparatus for treating combustion-air, fuel or fuel-air mixture (1,925) |
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| 02/28/1995 | US5392752 Fuel-air mixing device for an internal combustion engine |
| 02/08/1995 | CN1098369A Active carcoal filter used for gas discharge of oil box |
| 01/12/1995 | WO1995001506A2 Vacuum relief valve |
| 12/28/1994 | EP0631043A1 Activated carbon filter for purging of a fuel tank |
| 10/13/1994 | WO1994023194A1 Process and device for operating an internal combustion engine or a combustion plant |
| 10/13/1994 | CA2136613A1 Process and device for operating an internal combustion engine or a combustion plant |
| 10/05/1994 | CN2178790Y Forced ventilation tail gas purification oil-saving disk for crankcase of vehicle |
| 10/05/1994 | CN2178789Y Control device for fuel evaporation excreta of petrol vehicle |
| 09/20/1994 | US5347973 Vacuum relief valve |
| 07/21/1994 | WO1994016211A1 Carburettor metering systems |
| 07/21/1994 | CA2153600A1 Carburettor metering systems |
| 07/12/1994 | US5329164 Safety circuit for a fuel supply system |
| 04/14/1994 | DE4333424A1 Diesel engine combustion regulator with engine operating condition detectors - has first units for relative redn. of combustion temp. corresp. to detected engine operating conditions and second units for lengthening time of ignition retardation |
| 02/03/1994 | DE4310837C1 Fuel system for engine exhaust burner with nozzle - has suction pipe with control valve connected to engine intake and leading to vacuum tank |
| 12/28/1993 | US5272873 Evaporative emission control system for internal combustion engines |
| 12/22/1993 | CN2150346Y Fuel-oil vaporization controlling device for gasoline vehicle |
| 12/15/1993 | EP0394494B1 Heat insulated engine |
| 11/09/1993 | CA1324039C Fuel puddle bleed shut-off for fuel injected two cycle engine |
| 10/26/1993 | US5255702 Venting system for a fuel tank |
| 08/17/1993 | US5235955 Fuel evaporative emission control system |
| 07/21/1993 | CN1074508A Controller for fuel steam exhaust of minicar |
| 07/13/1993 | CA1320079C Exhaust heated crankcase for 2-cycle marine engine |
| 04/27/1993 | US5205330 Air breather system for fuel tank |
| 03/16/1993 | US5194075 Evaporative fuel recovery apparatus |
| 03/16/1993 | US5193511 Evaporated fuel processing apparatus for an internal combustion engine |
| 03/09/1993 | CA1314129C Gas mixer and distributor for reactor |
| 12/29/1992 | US5174265 For adsorbing fuel vapor |
| 12/29/1992 | CA1311969C Fuel residual handling system |
| 12/08/1992 | US5168706 Thermally insulated turbocharged engine |
| 11/19/1992 | EP0513356A1 Process and device for improving combustion efficiency of a combustion machine |
| 10/14/1992 | CN2118824U Control device for micro car fuel combustion evaporating exhaust |
| 09/22/1992 | US5148794 Fuel agitating device for internal combustion engine |
| 09/22/1992 | CA1307710C V-type multiple cylinder engine |
| 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 |
| 08/06/1992 | WO1992013188A1 Process and device for improving the atomisation of fuel in internal combustion engines |
| 07/22/1992 | CN1062954A Jet oil-saving purifying device of motor's waste gas |
| 06/23/1992 | US5124084 Carburetor drain apparatus |
| 06/10/1992 | CN1061833A Process and device for improving combustion efficiency of combustion machine |
| 06/02/1992 | US5117800 Oxygen enrichment of fuels |
| 05/23/1992 | WO1992009802A1 Process and device for improving combustion efficiency of a combustion machine |
| 05/23/1992 | CA2064589A1 Process and device for improving combustion efficiency of a combustion machine |
| 03/24/1992 | US5097803 Fuel supply and control system for compression ignition engines |
| 12/26/1991 | WO1991019895A1 Improved device promoting the dispersion of fuel when atomized |
| 12/18/1991 | EP0461852A2 Mobile engines, air-intake system therefor, and method of operating them |
| 12/14/1991 | CA2044395A1 Air-intake system for mobile engines |
| 12/04/1991 | EP0459866A1 Device for the ventilation of a fuel tank |
| 12/03/1991 | US5069191 Fuel agitating device for internal combustion engine |
| 12/03/1991 | US5069188 Regulated canister purge solenoid valve having improved purging at engine idle |
| 10/30/1991 | CN1014494B Gas mixer and distributor for reactor |
| 10/22/1991 | US5059217 Liquid fuels are forced through housing into contact with metal bar; reduces exhaust emission pollutants and carbon build up; increases fuel economy |
| 10/15/1991 | US5056494 System for treating vaporized fuel in an internal combustion engine |
| 10/15/1991 | US5056493 Environmentally harmonious fuel tank |
| 10/01/1991 | CA2030722A1 Diaphragm assisted solenoid purge valve |
| 09/24/1991 | US5051113 Membrane of a polymer of perfluoro-2,2-dimethyl-1,3-dioxole for air intakes in engines |
| 09/03/1991 | US5044347 Device promoting the dispersion of fuel when atomized |
| 07/09/1991 | CA1285836C Fuel puddle suction system for fuel injected engine |
| 05/07/1991 | US5012788 Fuel-air mixture-forming device for internal combustion engines |
| 05/01/1991 | CN2076166U Fuel-saving effort-increasing apparatus for motorcycle |
| 03/20/1991 | EP0417118A1 Fuel puddle bleed shut-off for fuel injected two cycle engine |
| 03/19/1991 | US5000152 Fuel conservation means for internal combustion engines |
| 12/05/1990 | EP0400212A1 Air-fuel mixture preparing device for internal combustion engine |
| 12/05/1990 | EP0400210A1 Air-fuel mixture preparing device for internal combustion engine |
| 10/31/1990 | EP0394494A1 Heat insulated engine |
| 10/30/1990 | US4966121 Apparatus for enhancing engine performance |
| 08/14/1990 | CA1272653A1 Upper crankshaft bearing lubrication system for two- cycle engine |
| 07/17/1990 | CA1271797A1 Canister heater with ptc wafer |
| 05/16/1990 | CN2057224U 节油器 Fuel economy |
| 05/03/1990 | WO1990004708A1 Heat insulated engine |
| 04/25/1990 | CN2056451U Energy saving and purifying device for petrol engine |
| 04/10/1990 | US4915085 Starting enhancer and stabilizer |
| 02/21/1990 | CN2053251U Multifunctional energy-saving mixer for vehicle |
| 02/21/1990 | CN2053246U Cleaning and silencing system for exhaust of internal-combustion engine |
| 01/10/1990 | CN2050884U Fluid magnetizing device |
| 11/28/1989 | US4883023 Polymeric membrane air separator for a turbocharger and brake system in a vehicle |
| 10/19/1989 | WO1989009878A1 Fuel puddle bleed shut-off for fuel injected two cycle engine |
| 09/27/1989 | EP0170649B1 Fuel system for internal combustion engines |
| 09/12/1989 | US4865820 Oxidation catalytic reactors; narrow passageways with uniform cross-sections for gas flow above flashback velocity |
| 08/24/1989 | WO1989007711A1 Exhaust heated crankcase for 2-cycle marine engine |
| 08/24/1989 | WO1989007702A1 Oxygen enrichment of fuels |
| 08/01/1989 | US4852526 Delivery of fuel in internal combustion engines |
| 07/27/1989 | DE3801268A1 Fuel system for a motor vehicle |
| 07/13/1989 | WO1989006311A1 Fuel puddle suction system for fuel injected engine |
| 07/12/1989 | CN1033753A Gas mixer and distributor for reactor |
| 06/13/1989 | US4838909 Cartridge air filter and method of making the same |
| 06/06/1989 | US4836152 Exhaust heated crankcase for 2-cycle marine engine |
| 05/30/1989 | US4834784 Air filter choke valve method and spitback shield |
| 05/16/1989 | US4829943 V-type multiple cylinder engine |
| 05/09/1989 | CA1253759A1 Idle fuel residual storage system |
| 04/11/1989 | US4820213 Fuel residual handling system |
| 02/23/1989 | DE3727195A1 Additional gas feed device on an internal combustion engine |
| 02/15/1989 | EP0303439A2 Gas mixer and distributor for reactor |
| 01/17/1989 | US4798191 Method and apparatus for handling fuel |
| 01/04/1989 | EP0297660A1 Device for supplying dry air to combustion engines and installations |
| 01/03/1989 | US4794889 Fuel puddle bleed shut-off for fuel injected two cycle engine |
| 01/03/1989 | US4794888 Fuel puddle suction system for fuel injected engine |
| 12/13/1988 | US4790283 Fuel tank |
| 09/13/1988 | US4770132 Draining system for outboard engine |
| 08/24/1988 | CN88200034U Gasoline evaporation controllable recoverer |
| 07/28/1988 | WO1988005497A1 Device for cavitation treatment of liquid fuel |