| 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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| 12/05/1990 | EP0400211A1 Air-fuel mixture preparing device for internal combustion engine |
| 12/05/1990 | CN1047555A Fuel injection device for injection carburetors |
| 11/28/1990 | EP0399576A1 Apparatus for regulating the inflow of fuel into the intake duct of an internal combustion engine |
| 11/28/1990 | CN1047366A Fuel injection system for injection carburetors |
| 11/14/1990 | CN1046959A Fuel injection system for injection carburetors |
| 10/31/1990 | CN1046584A Gasoline engine centrifugal blade valve carburettor |
| 10/25/1990 | DE3913358A1 IC engine operating on gaseous fuel - has device to control flow of air and gas to suit engine load |
| 10/24/1990 | CN2064421U Fuel saving device being able to control fuel flow of carburettor |
| 10/23/1990 | US4965023 Carburetor having bidirectional fuel passage |
| 10/17/1990 | CN2063985U Hand-controlled adjustable choke valve |
| 10/10/1990 | EP0391367A1 Device for controlling speed of an engine |
| 10/10/1990 | EP0390913A1 Vaporiser nozzle. |
| 10/02/1990 | US4960545 Device for feeding a carburation engine in special operating conditions |
| 09/18/1990 | US4957664 Apparatus for injecting an accelerating fuel |
| 08/29/1990 | EP0383959A1 Device for producing an air-fuel mixture for internal-combustion engines |
| 08/21/1990 | US4949692 Automatic control of a carburetor fuel system |
| 08/16/1990 | EP0381801A1 Device for correcting the mixture composition at a load variation of a combustion engine |
| 08/07/1990 | US4946631 Carburetor |
| 07/31/1990 | US4944272 Carburetor arrangement |
| 06/26/1990 | US4937018 Rotor-type carburetor with improved fuel scavenging and atomization apparatus and methods |
| 06/20/1990 | CN2058430U Bypass carburettor |
| 06/13/1990 | CN1008386B Method of saving petrol and related device for petrol engine controlled by microprocessor |
| 06/12/1990 | US4933116 Power valve shield |
| 04/19/1990 | WO1990004095A1 Vaporiser nozzle |
| 04/17/1990 | US4917053 Fuel supplying system for plural-cylinder internal combustion engine |
| 04/04/1990 | EP0361600A2 Atomiser for the carburettor of a combustion engine |
| 04/04/1990 | EP0361599A2 Set for feeding a mixture-compressing engine during particular stages of functioning |
| 03/29/1990 | DE3832536A1 Idle-speed control for a spark ignition engine |
| 03/14/1990 | EP0357764A1 Carburettor metering systems |
| 03/14/1990 | CN2054490U Induced air type electronic economizer for gasoline engine |
| 02/21/1990 | CN1039875A Quality-adjustable carburetor |
| 02/13/1990 | US4899708 Vacuum-generating device |
| 01/03/1990 | CN2050477U Air intake regulating device of interal combustion engine |
| 01/02/1990 | US4890586 Intake device for an internal combustion engine |
| 12/14/1989 | DE3818632A1 Mixture-forming device for an internal combustion engine |
| 11/14/1989 | US4879975 Alcohol fuel operation conversion means for internal combustion engines |
| 09/26/1989 | US4869850 Rotor-type carburetor apparatus and associated methods |
| 09/13/1989 | CN2044286U Heavy load oil jetting device for carburator |
| 09/08/1989 | WO1989008184A1 Carburettor metering systems |
| 09/06/1989 | EP0331574A1 Device for preparing and distributing a carburetted mixture for a spark-ignited engine |
| 09/05/1989 | US4862837 Fuel injection of coal slurry using vortex nozzles and valves |
| 08/29/1989 | US4861522 Carburetor for an internal combustion engine |
| 08/29/1989 | EP0270576A4 Alcohol fuel operation conversion means for internal combustion engines. |
| 06/27/1989 | US4841940 Air-fuel ratio control device of an internal combustion engine |
| 06/13/1989 | US4838229 Air-fuel ratio control device of an internal combustion engine |
| 05/30/1989 | US4834050 Air-fuel ratio control device of an internal combustion engine |
| 05/23/1989 | CA1254460A1 Deceleration enrichment fuel system for an internal combustion engine |
| 04/26/1989 | CN2036576U Forced fuel economizer of carburetor |
| 04/05/1989 | CN1032219A Oil-saving mechanism for gasifier |
| 03/23/1989 | WO1989002519A1 Idling system for multi-cylinder two-stroke engine |
| 03/14/1989 | US4812266 Hand adjustable screw for contolling fuel to air mixture; internal combustion engines; recreational vehicles |
| 03/01/1989 | CN2033447U Gasoline automobile oil-saver |
| 01/11/1989 | CN2030657U Automobile fuel-economizer |
| 01/04/1989 | EP0297670A2 Controlled feed and ignition apparatus for internal combustion engines |
| 12/15/1988 | WO1988009871A1 Auxiliary fuel supply system |
| 11/23/1988 | CN87103454A "three star" automatic control carburetor assembly |
| 11/09/1988 | EP0289724A2 Fuel injector for two-stroke engine |
| 11/08/1988 | US4783610 Piezoelectric actuator |
| 11/08/1988 | US4782805 Control device for throttle valve for internal combustion engine |
| 10/25/1988 | US4779598 Acceleration fuel enrichment system for an internal combustion engine |
| 10/18/1988 | US4777913 Auxiliary fuel supply system |
| 09/14/1988 | EP0281771A2 Temperature compensated fluid flow metering system |
| 09/13/1988 | US4770131 Fuel injector for two-stroke engine |
| 09/06/1988 | US4768494 Idling system for multi-cylinder two-stroke engine |
| 08/30/1988 | US4766868 Method and apparatus for controlling air-fuel ratio in internal combustion engine |
| 08/30/1988 | US4766867 Fuel supply system for internal combustion engine |
| 08/23/1988 | US4765932 Stationary and vabiable ventures |
| 08/17/1988 | CN87208994U Idling and co. exhaust limiting device for carburettor of gasoline engine |
| 07/26/1988 | US4759883 Temperature compensated fluid flow metering system |
| 07/26/1988 | US4759320 Intake device for an internal combustion engine |
| 07/20/1988 | CN87213925U High idling fuel-economizer for automobile |
| 07/20/1988 | CN87206070U High speed accelerator for gasoline car |
| 06/28/1988 | US4753209 Air-fuel ratio control system for internal combustion engines capable of controlling air-fuel ratio in accordance with degree of warming-up of the engines |
| 06/15/1988 | EP0270576A1 Alcohol fuel operation conversion means for internal combustion engines |
| 05/11/1988 | CN86107163A Method saving petrol and related device for petrol engine controlled by microprossor |
| 05/05/1988 | DE3736601A1 Vergaser fuer eine brennkraftmaschine Carburetor for an internal combustion engine |
| 04/20/1988 | CN85104194B By-pass infiltrated gas-flowing throatable carburetor |
| 04/13/1988 | EP0263495A2 Fuel supply device for carburetors |
| 04/13/1988 | EP0263455A2 Fuel supply device for carburetors |
| 04/13/1988 | EP0263419A2 Carburetor |
| 04/12/1988 | US4737319 Minimizes exposure of sealing gaskets and fuel spillage |
| 04/06/1988 | CN87211879U Vacuum control unit of idle oil pipe in carburetor |
| 03/16/1988 | EP0259866A2 Carburetor |
| 03/16/1988 | EP0259848A2 Fuel supply device for carburetors |
| 03/16/1988 | CN86210273U Petrol engine carburettor with a semi-automatic movable throat pipe |
| 03/02/1988 | EP0257501A2 Improved turbine rotor assembly for a rotor-type carburetor |
| 03/01/1988 | CA1233381A1 High-velocity carburetor for an otto engine |
| 02/23/1988 | US4726342 Fuel-air ratio (lambda) correcting apparatus for a rotor-type carburetor for integral combustion engines |
| 02/16/1988 | US4725385 Turbine rotor assembly for a rotor-type carburetor |
| 02/10/1988 | CN86209025U Stepless changeable gasflow-controlled strangler |
| 02/02/1988 | CA1232174A1 Fuel distribution and metering |
| 01/06/1988 | CN86104512A Air-fuel ratio control system having fluid-powered broken-link mechanism |
| 12/09/1987 | CN86206020U Vapor-controllable two-chamber carbureter with six-pass venturi |
| 12/03/1987 | WO1987007332A1 Alcohol fuel operation conversion means for internal combustion engines |
| 12/01/1987 | US4709677 Fuel control system for air-fuel mixture supply devices |
| 11/24/1987 | CA1229676A1 Binary and proportional control for a feedback carburetor |
| 11/12/1987 | DE3714049A1 Fresh gas induction pipe for an internal combustion engiue having a diaphragm valve for preventing gas return flows |
| 10/22/1987 | WO1987006305A1 Induction type carburetor of movable venturi |
| 10/06/1987 | US4697559 Method of controlling an air-fuel ratio for an internal combustion engine |
| 09/16/1987 | CN86203780U Spiral flow jet type carburetor |