| Patents for F02M 31 - Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture (6,583) |
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| 09/11/1990 | US4955351 For delivering vaporized/unvaporized fuel |
| 09/11/1990 | CA1273978A1 Device for preheating liquid, for instance liquid fuel |
| 09/05/1990 | CN2061613U Automatic advanced distribution gasoline economizing device for adjustable automotive vehicle |
| 08/30/1990 | DE3923369C1 Fuel supply unit for IC engine - has control valve taking fuel from return line to supply line if fuel temp. and pressure simultaneously fall below thresholds |
| 08/30/1990 | DE3906296A1 Method for reducing exhaust gas emissions of a spark-ignition engine with exhaust gas processor for cold starting |
| 08/28/1990 | CA1273386A1 Diesel fuel heater |
| 08/23/1990 | DE3903558A1 Frost protection device for rapid safety of floating liquid or sedimentation in containers, tanks and boilers |
| 08/21/1990 | US4949690 Electric automatic oil heating and fuel evaporating system |
| 08/16/1990 | EP0381858A2 Device for controlling the intake mixture temperature of an internal-combustion engine, particularly in motor vehicles |
| 08/14/1990 | CA1272589A1 Anti-reducing semiconducting porcelain having a positive temperature coefficient of resistance |
| 08/08/1990 | EP0380818A1 Fuel purifying apparatus |
| 08/07/1990 | US4946124 Spring clamp and kit to supply hot air to carburetor |
| 08/07/1990 | US4945829 Method for orientating print material for correct printing in a printing position externally of a printing position |
| 08/02/1990 | DE4005572A1 Utility vehicle fuel injection system - has electric heater activated when fuel starts to gel |
| 08/02/1990 | DE3902798A1 Device for heating diesel fuel |
| 08/02/1990 | DE3901733A1 Method and device for liquid fuels |
| 07/31/1990 | US4944343 Apparatus for heating fuel |
| 07/31/1990 | US4944260 Air intake heater system for internal combustion engines |
| 07/27/1990 | CA2008597A1 Apparatus for reducing the content of toxic gases expelled from internal combustion engines |
| 07/17/1990 | CA1271797A1 Canister heater with ptc wafer |
| 07/12/1990 | DE3900496A1 Arrangement of a detachable heating add-on (build-on) part on a housing part |
| 07/11/1990 | CN2059184U Automobile inlet manifold heater |
| 07/10/1990 | US4940027 Marine engine with water cooled fuel line from remote tank |
| 07/10/1990 | CA1271378A1 Fuel system for internal combustion engine |
| 07/05/1990 | DE3936088A1 Self-regulating electric heating device - has contact element acting on heating elements pressed against heating block |
| 07/04/1990 | EP0139003B1 Filter assembly |
| 07/03/1990 | US4938036 Combination air conditioning accumulator and fuel cooler |
| 06/20/1990 | CN1043190A Device for injecting lpg in liquefied condition |
| 06/19/1990 | US4934907 Method and apparatus for heating a fuel |
| 06/19/1990 | US4934342 Intake manifold for internal combustion vee-engine and manufacturing method of intake manifold |
| 06/19/1990 | US4934330 Fuel tank heater |
| 06/14/1990 | WO1990006436A1 Device for injecting of a flow of liquid fuel |
| 06/13/1990 | EP0372392A2 Intake manifold of internal combustion engine |
| 06/13/1990 | DE3841332A1 Device for heating the intake air of an internal combustion engine |
| 06/12/1990 | US4933093 Fuel filter |
| 06/12/1990 | US4933077 Water separator for a fuel system |
| 06/12/1990 | US4932367 Four-stroke V-engine with central exhaust and intake manifolds |
| 06/12/1990 | CA1270163A1 Arrangement for controlling the intake air for the carburetor of a hand-held portable tool |
| 06/05/1990 | US4930484 Fuel and air mixture expanding and preheating system |
| 05/23/1990 | DE3938849A1 IC engine with variable compression ratio - has second piston mounted in cylinder head |
| 05/22/1990 | US4926831 Fuel vaporization apparatus |
| 05/22/1990 | US4926830 Mounted fuel tank heater |
| 05/15/1990 | US4925091 Vehicle engine warming and passenger compartment heating device |
| 05/15/1990 | US4924838 Charge air fuel cooler |
| 05/10/1990 | DE3919589C1 Diesel motor fuel transport arrangement - has viscosity measuring appts. between fuel injection and delivery pumps and switches on heaters according to viscosity-dependent temp. |
| 05/09/1990 | EP0367631A1 Fuel heaters |
| 05/08/1990 | US4923033 Heating device, particularly automotive heating device, with an integrated muffler |
| 05/02/1990 | EP0365793A1 Device for heating intake air of an internal combustion engine |
| 05/02/1990 | CN2056702U Diesel preheating device |
| 05/01/1990 | CA1268385A1 Diesel fuel preheating apparatus |
| 04/25/1990 | EP0364651A1 Device for reducing the harmful constituents in the exhaust gases of diesel engine vehicles and heating oil burner installations for heating buildings |
| 04/24/1990 | US4919105 Device for improving mixture distribution in an intake tube of a combustion engine |
| 04/24/1990 | US4919088 Two cycle engine scavenging heat control |
| 04/24/1990 | US4918916 Method for transferring water from combustion gases to air of combustion |
| 04/19/1990 | WO1990004095A1 Vaporiser nozzle |
| 04/19/1990 | DE3900821C1 Fluid-carrying hose line for a motor vehicle |
| 04/05/1990 | DE3833214A1 Fuel injection system |
| 03/27/1990 | US4911894 Catalytic air cleaner |
| 03/27/1990 | US4911120 Lubrication system for engines |
| 03/20/1990 | US4909192 Method and cylinder head structure for supply of fuel into a piston engine |
| 03/20/1990 | CA1266820A1 Fuel vaporization apparatus for combustor |
| 03/20/1990 | CA1266806A1 Arrangement for inlet of cooling and combustion air in a motor saw |
| 03/13/1990 | CA1266594A1 Fuel preheater for diesel engines |
| 03/07/1990 | EP0356667A2 Fuel filter, especially for diesel engines, with electrical resistance heating |
| 03/06/1990 | CA1266406A1 Fuel heater |
| 02/28/1990 | EP0355787A2 Fuel filter with a heating element and integrated electronic control device |
| 02/28/1990 | EP0355246A1 Fuel preheater for diesel engines |
| 02/28/1990 | CN2053675U Self adjusting type preheating device for wall temp. in intake pipe of petrol engine |
| 02/27/1990 | US4903645 Intake manifold |
| 02/26/1990 | EP0318514A4 Diesel fuel heater. |
| 02/08/1990 | WO1990000925A1 Combined pre-heating and filtering device, in particular for automobile engines |
| 02/07/1990 | CN2052441U Recovery device for waste heat of internal-combustion engine |
| 02/06/1990 | US4898141 Fuel cooling device |
| 02/01/1990 | DE3825470A1 Fuel supply device provided for an internal combustion engine |
| 02/01/1990 | DE3825176A1 Bausteinfoermiges kombiniertes filtergeraet Bausteinfoermiges combined filtergeraet |
| 01/31/1990 | CN2052055U Methanol-splitting burner |
| 01/30/1990 | CA1265005A1 Device for preheating liquids, especially for preheating liquid fuels used for combustion and for powering engines |
| 01/18/1990 | DE3824133A1 Method for the operation of an internal combustion engine |
| 01/18/1990 | DE3824099A1 Method for the heating of an internal combustion engine |
| 01/16/1990 | US4893604 Fuel system for internal combustion engine |
| 01/16/1990 | US4893603 Low pressure fuel injection system with fuel preheating for an air-compressing, injection internal combustion engine |
| 01/11/1990 | WO1990000226A1 Motor fuel supply system |
| 01/09/1990 | US4892996 Thermostatically controlled in-line diesel fuel heater using a bimetal disc thermostat |
| 01/03/1990 | CN2050474U Energy-saving internal combustion engine dissipative muffler |
| 01/02/1990 | US4890595 Motor-driven chain saw having an arrangement for preheating fresh intake air |
| 12/27/1989 | EP0347534A1 Fuel injection device for internal-combustion engines |
| 12/06/1989 | EP0344171A1 Marine propulsion system with fuel line cooler |
| 11/29/1989 | EP0343652A1 Internal combustion engine of the injection type, and plate intended for fitting between the inlet ports of a cylinder block of such an engine and an inlet tube |
| 11/28/1989 | US4883943 Electric heater for fuel tank discharge opening coupling to prevent fuel waxing |
| 11/28/1989 | US4883616 Vaporizer/carburetor and method |
| 11/28/1989 | US4883040 Fuel vaporizer |
| 11/21/1989 | US4881508 Heating device for fluid, particularly fuel |
| 11/14/1989 | US4879975 Alcohol fuel operation conversion means for internal combustion engines |
| 11/14/1989 | CA1262871A1 Filter block mounted fuel processor apparatus |
| 11/08/1989 | EP0340384A2 Inlet collector |
| 11/02/1989 | WO1989010474A1 Diesel fuel heater |
| 11/01/1989 | CN2046931U High-efficiency carburetting oil saver for gasoline engine |
| 10/31/1989 | US4876999 Two-stroke engine |
| 10/24/1989 | US4875439 Marine propulsion system with fuel line cooler |
| 10/11/1989 | CN2045782U Waste heat-pouring oil-saving purifying device for vehicle |