| Patents for F02M 7 - Carburettors with means for influencing, e.g. enriching or keeping constant, fuel/air ratio of charge under varying conditions (2,491) |
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| 01/18/1995 | CN2187682Y Automatic fuel supply controlling fuel-saving device for automobile |
| 01/10/1995 | US5379739 Carburetor |
| 01/03/1995 | US5377650 Low emission engines |
| 12/13/1994 | US5372101 Fuel feeding device for internal combustion engine |
| 11/16/1994 | CN2182885Y Jet type carburettor |
| 10/12/1994 | CN1093439A Gas bath type oil supply method |
| 09/13/1994 | US5345912 Method and device for controlling a carburetor |
| 07/20/1994 | EP0490953B1 Carburettor metering systems |
| 06/16/1994 | DE4233841A1 Carburettor with altitude compensation |
| 06/15/1994 | CN2168959Y Automatic safe and oil-saving purifier of automobile |
| 06/01/1994 | EP0598990A1 Carburetor with accelerator and idle circuit shut-off |
| 05/10/1994 | US5309889 Carburetor kit for improved air-fuel mixture |
| 05/10/1994 | US5309875 For providing a fuel-air mixture to an internal combustion engine |
| 04/27/1994 | CN2163237Y Starting booster pump for motorcycle |
| 04/20/1994 | CN2162534Y Throttle pull-rod device for motor vehicle |
| 04/20/1994 | CN2162533Y Carburettor for motorcycle |
| 04/12/1994 | US5301644 Fuel shut-off mechanism for internal combustion engines |
| 04/05/1994 | US5299551 Carburetor kit for improved air-fuel mixture |
| 03/23/1994 | CN2159456Y Oil saver for motorcycle |
| 03/03/1994 | WO1994004805A1 Multifluid flow control unit |
| 02/08/1994 | US5284113 Arrangement in an i. c. engine |
| 02/03/1994 | CA2167481A1 Power vapor nozzle and splash plate |
| 02/02/1994 | CN1081494A Fuel-saving type carburetor |
| 01/27/1994 | DE4323969A1 Carburettor for gaseous fuel used in small four stroke engines - pref. includes leaf value of polyimide, polyester flexible corrosion resistant metal or stainless steel allows low speed idling and has high efficiency over middle load range |
| 01/19/1994 | CN2153644Y Oil-saving accelerator for motocycle |
| 01/05/1994 | CN1023420C Self-regulated wave vibrating type carburettor |
| 12/29/1993 | CN1080025A Technology and method of economizing and lowering dirt for IC engine |
| 11/17/1993 | CN2146575Y Carburettor for Model-250 motorcycles |
| 11/02/1993 | US5258143 Carburetor with a cam-controlled venturi |
| 10/06/1993 | CN1076997A Main hole controller of pumping membrane type adjustable carburetor |
| 10/05/1993 | US5250233 Carburetor with accelerator and idle circuit shut-off |
| 09/29/1993 | CN2142886Y Oil-economized carburettor |
| 08/31/1993 | US5240649 Accelerating device for carburetor |
| 08/05/1993 | DE4239673A1 Carburettor for IC engine - has fixed throttle, to set max. fuel flow profile, and adjustable throttle, to reduce profile to min. |
| 07/21/1993 | CN2138702Y Adjustable throat of automobile carburattor |
| 07/13/1993 | US5226921 Control of the air ratio in a hot exhaust gas stream and oxygen probe therefor |
| 06/02/1993 | CN2135067Y Self-adjusting energy-saving carburettor |
| 06/01/1993 | US5215063 Motor vehicle air-fuel ratio automatic control device |
| 05/25/1993 | US5213086 Fuel inlet system for internal combustion engine |
| 05/04/1993 | US5207207 Carburetor metering and hot air dilution system |
| 04/28/1993 | CN1071490A Main spray tube of carburettor with blockage |
| 04/20/1993 | CA1316416C Carburetor for an internal combustion engine |
| 03/03/1993 | CN2127745Y Cam control Venturi carburettor |
| 01/07/1993 | WO1993000509A1 Fuel inlet system for internal combustion engine |
| 12/23/1992 | CN2125716U Gasoline-saving device of automobile |
| 12/16/1992 | CN2125009U Signal carburettor equal-pressure system for horizontal bicylinder gasoline engine |
| 10/28/1992 | CN2120188U Air-fuel mixture supply system for double cylinder symmetric position wind cooling four stroke gasoline engine |
| 10/21/1992 | CN2119507U Air-fuel ratio regulator |
| 09/29/1992 | US5150673 Fuel supplying device for marine propulsion engine |
| 09/01/1992 | US5143111 Multifluid flow control unit |
| 08/26/1992 | EP0368896B1 Auxiliary fuel supply system |
| 08/12/1992 | EP0390913B1 Vaporiser nozzle |
| 07/28/1992 | US5133905 Fuel metering method and apparatus |
| 07/07/1992 | US5128071 Carburetor |
| 06/30/1992 | US5126079 Carburetor |
| 06/03/1992 | CN2106228U Oil-saving device for shanghai 760 mould car |
| 06/02/1992 | US5117802 Dual fuel system for combustion engines |
| 05/20/1992 | CN2104940U Energy-saving and purification carburettor |
| 05/06/1992 | EP0483303A1 Process for controlling the proportion of air in a hot exhaust-gas stream, and oxygen probe for use in the process. |
| 04/28/1992 | US5108664 Carburetor metering systems |
| 04/15/1992 | CN2101768U Main sprayer nozzle of carburettor with valve |
| 12/18/1991 | CN2090877U Improved controller for supplying oil of carburetor |
| 12/17/1991 | US5073133 Fuel supplying system for engine of outboard motor |
| 11/14/1991 | WO1991017434A1 Process for controlling the proportion of air in a hot exhaust-gas stream, and oxygen probe for use in the process |
| 10/31/1991 | WO1991016536A1 Carburetor for gasoline engines |
| 10/29/1991 | US5060617 Fuel supply system for selectively increasing the fuel supply to an engine |
| 10/29/1991 | CA1291382C Carburation system |
| 10/28/1991 | CA2058452A1 Process for controlling the proportion of air in a hot exhaust-gas stream, and oxygen probe for use in the process |
| 10/08/1991 | US5054449 CCAC (cylinder-cone air chamber) carburetor |
| 10/08/1991 | CA1290203C Control device for throttle valve for internal combustion engine |
| 09/18/1991 | CN2084986U Oil-saving device for motorbike |
| 09/17/1991 | CA1289024C Alcohol fuel operation conversion means for internal combustion engines |
| 08/28/1991 | CN2083636U Low pollution lower suction changeable venturi tube carburettor for gasoline engine |
| 08/13/1991 | US5038742 Vaporizer nozzle |
| 08/07/1991 | CN2082315U Changeble venturi carburator of low-pollution side draught type for motorbicycle |
| 08/06/1991 | US5036818 Apparatus for regulating the inflow of fuel into the intake duct of an internal combustion engine |
| 08/02/1991 | CA2009228A1 Vapouriser nozzle |
| 07/31/1991 | CN1053473A Self-regulated wave vibrating type carburettor |
| 07/30/1991 | US5035222 System for correcting the composition of fuel-air mixture upon a change in the state of loading of an internal combustion engine |
| 07/23/1991 | CA1286558C Carburetor altitude compensator apparatus |
| 07/10/1991 | CN2080569U Power means for truck |
| 06/12/1991 | CN2078811U Carburettor for motorcycle |
| 06/04/1991 | US5021198 Carburetor with high altitude compensator |
| 05/28/1991 | US5018503 Fuel increasing system for engine |
| 05/14/1991 | US5014673 Fuel feed device for internal combustion engine |
| 05/08/1991 | EP0135588B1 Fluidic transducer for switsching fluid flow |
| 05/02/1991 | EP0424821A1 Fuel metering method and apparatus |
| 03/19/1991 | US5000134 Fuel supplying system for internal combustion engine |
| 03/14/1991 | DE3929025A1 Carburettor with independent idling system - has air volume regulating screw with tip projecting into nozzle |
| 03/09/1991 | WO1991003635A1 Carburettor metering systems |
| 03/09/1991 | CA2066579A1 Carburettor metering systems |
| 02/26/1991 | US4996644 Air-fuel ratio control system for use in internal combustion engine |
| 02/26/1991 | CA1280650C Auxiliary fuel supply system |
| 02/19/1991 | US4993385 Device for controlling speed of an engine |
| 01/15/1991 | US4984547 Fuel injection system for injection carburetors |
| 01/08/1991 | US4983330 Membrane carburetor having a coupling arrangement for coupling the choke and throttle flaps to each other |
| 12/18/1990 | US4978479 Corrected jet for an engine carburetor |
| 12/12/1990 | CN2067323U Self-adjusting wave-vibration carburetor |
| 12/12/1990 | CN2067322U Carburetor main nozzle with adjuster |
| 12/12/1990 | CN1047721A Fuel injection device for injection carburetors |