| Patents for F02M 23 - Apparatus for adding secondary air to fuel-air mixture (1,389) |
|---|
| 02/27/1991 | CN2072158U High-efficient oil economizer with strong vortical flow uniform-mixing feature |
| 01/15/1991 | US4984766 Flow-control valve |
| 12/12/1990 | CN2067326U Idling air-make-up type cleaning device for petrol engine |
| 08/18/1990 | WO1990009516A1 Internal combustion engine air supply system |
| 08/07/1990 | US4946631 Carburetor |
| 07/12/1990 | DE3900559A1 Method for detoxifying the exhaust of multi-cylinder mixture-compressing internal combustion engines |
| 07/03/1990 | US4938199 Method for controlling the air-fuel ratio in vehicle internal combustion engines |
| 06/19/1990 | US4934331 Additional air supply means for an internal combustion engine |
| 06/13/1990 | CN1008386B Method of saving petrol and related device for petrol engine controlled by microprocessor |
| 05/29/1990 | US4928659 Apparatus for supplying air-fuel mixture in internal combustion engine |
| 05/01/1990 | US4920930 System for blow-by gas return to the combustion chamber of an engine |
| 04/25/1990 | EP0364898A2 Flow-control valve |
| 04/10/1990 | US4915085 Starting enhancer and stabilizer |
| 02/14/1990 | EP0354299A2 Device for introducing additional gas streams to the intake manifold of a carburettor engine |
| 02/14/1990 | CN2052817U Automobile fuel saving device |
| 01/03/1990 | CN2050479U Air-adding purifying economizer |
| 12/20/1989 | CN1038143A Double-mixing carburetor for gasoline engine |
| 12/14/1989 | DE3918366A1 Additional air feed device |
| 12/12/1989 | US4886035 Air-fuel ratio control method for an internal combustion engine |
| 12/12/1989 | US4886034 Internal combustion engine control system |
| 12/05/1989 | US4884550 Internal combustion engine |
| 11/16/1989 | DE3807448A1 Device for controlling the additional air for a fuel feed system by way of an intake manifold of an internal combustion engine with four-stroke carburettor engines |
| 11/08/1989 | EP0341216A1 Improvement in carburation systems in internal-combustion engines by controlling the air intake |
| 09/27/1989 | CN2045026U Ventilation fuel-saving valve for crank case of petrol engine |
| 08/22/1989 | US4858886 Electromagnetic valve |
| 08/16/1989 | EP0327760A1 Improved internal combustion engine |
| 08/01/1989 | US4852539 Supplemental air valve for internal combustion engine |
| 05/30/1989 | US4834050 Air-fuel ratio control device of an internal combustion engine |
| 04/26/1989 | CN1032573A Adjusting and controlling oil-saving device for conventional engines by means of air-jetting, dilution preheating and combustion |
| 04/18/1989 | US4822532 Carburetor |
| 04/12/1989 | CN2035799U Automobile purifying apparatus |
| 03/29/1989 | CN2034998U Pollution-reducing, gasoline-economizing and effect-increasing silencer for vehicle |
| 03/29/1989 | CN2034995U Gasoline-economizing purifier for gasoline vehicle |
| 03/29/1989 | CN2034994U Exhaust-gas purifier and gasoline-economizing device for gasoline engine |
| 03/22/1989 | EP0192654B1 Fuel-economy and emission-control device for internal combustion engines |
| 03/01/1989 | EP0207959B1 Engine intake system with deceleration valve |
| 03/01/1989 | CN2033448U Oil-saver for motorcar gasoline engine |
| 01/10/1989 | US4796579 Automotive type throttle body |
| 12/28/1988 | CN87211254U Fuel economiser by compensating air and mixing water |
| 11/16/1988 | CN87200386U Clean gasoline economizer of gasoline engine |
| 10/12/1988 | CN87102574A Air-supplementing method and device for the piston internal combustion engine |
| 10/05/1988 | CN87214692U Automobile wind power pressure unit |
| 08/10/1988 | EP0277578A2 Method and device for reducing exhaust gas pollutants of an internal-combustion engine |
| 07/06/1988 | CN87212245U Electrothermal cavity atomization, air-breathing jet automobile economizer |
| 06/22/1988 | CN87210412U Apparatus for adding secondary air to gasoline engine |
| 06/16/1988 | DE3713804A1 Apparatus for conditioning liquid fuels in carburetor-type or central-injection-type engines |
| 05/24/1988 | US4745890 Engine with fluidic variable swirl port |
| 05/11/1988 | CN87205074U Gasoline engine fuel economizer |
| 05/11/1988 | CN86107163A Method saving petrol and related device for petrol engine controlled by microprossor |
| 04/20/1988 | CN85104194B By-pass infiltrated gas-flowing throatable carburetor |
| 03/22/1988 | US4732132 Air intake side secondary air supply system for an internal combustion engine using a linear-type solenoid valve |
| 03/01/1988 | US4727850 Secondary air control device for internal combustion engines |
| 01/27/1988 | CN87205883U Fuel saving purification by-pass device |
| 12/29/1987 | US4715354 Fuel-economy and emission-control device for internal combustion engines |
| 12/29/1987 | US4715352 Air intake side secondary air supply system for an internal combustion engine with a duty ratio control operation |
| 12/29/1987 | US4715351 Supplemental air valve for internal combustion engine |
| 12/29/1987 | US4715350 Air intake side secondary air supply system for an internal combustion engine with a duty ratio control operation |
| 10/27/1987 | US4702272 Valve device for increasing the fuel economy and reducing the emissions from an internal combustion engine |
| 10/13/1987 | US4699113 Air-rich fuel saver |
| 08/19/1987 | CN86208866U High-temp. steam-injecting oil-saving unit for internal combustion engine |
| 08/18/1987 | US4686951 Method and apparatus for carburetion |
| 07/21/1987 | US4681078 Air-fuel ratio control system for an internal combustion engine |
| 07/14/1987 | US4679539 Vapor lock control and fuel economizer |
| 07/07/1987 | US4677959 Air intake side secondary air supply system for an internal combustion engine |
| 07/07/1987 | US4677957 Control system for internal combustion engines |
| 06/23/1987 | US4675135 Engine intake system with deceleration valve |
| 06/23/1987 | US4674466 Fuel pulverizer of gasoline engine |
| 06/09/1987 | US4671247 Fuel atomizing apparatus for internal combustion engines |
| 05/19/1987 | US4665883 Air fuel ratio control system for an internal combustion engine with improved operations for maintaining the engine output power |
| 05/12/1987 | US4664089 Fuel saving apparatus |
| 04/28/1987 | US4660533 Air intake side secondary air supply system for an internal combustion engine |
| 03/17/1987 | US4649882 Air intake side secondary air supply system for an internal combustion engine equipped with a fuel increment control system |
| 03/10/1987 | US4648374 Air intake side secondary air supply system for an internal combustion engine |
| 03/04/1987 | CN86203149U Carburettor oil-saving nozzle device |
| 01/31/1987 | CN86103412A Fuel-saving injection device of carburettor |
| 01/29/1987 | DE3525277A1 Device for multiple swirling in the preparation of mixture in an internal combustion engine |
| 01/22/1987 | DE3621703A1 Intake system for a multicylinder, mixture-compressing internal combustion engine |
| 01/14/1987 | EP0207959A1 Engine intake system with deceleration valve. |
| 01/02/1987 | DE3522524A1 Device for the preparation of a fuel-air mixture |
| 12/23/1986 | US4630585 Carbureting device for an engine |
| 12/16/1986 | US4628880 Induction system for internal combustion engine having multiple inlet valves per combustion chamber |
| 11/26/1986 | EP0202665A2 Fuel economiser |
| 11/25/1986 | US4624229 Engine combustion control with dilution flow by pressure ratio management |
| 10/28/1986 | US4619286 Elevation responsive automatic vehicle control system |
| 10/21/1986 | US4617900 Air-fuel ratio control system for an internal combustion engine having a control characteristic varying with the engine load |
| 10/21/1986 | US4617891 Secondary air supply for internal combustion engine |
| 10/14/1986 | US4616621 Method of air-fuel ratio control of internal combustion engines of automobiles |
| 10/01/1986 | CN85104194A By-pass infiltrated gas-flowing throatable carburetor |
| 09/03/1986 | EP0192654A1 Fuel-economy and emission-control device for internal combustion engines. |
| 08/12/1986 | US4604984 Air intake side secondary air supply system for an internal combustion engine |
| 06/25/1986 | CN85204617U Gasoling-saving equipment for vehicles |
| 06/19/1986 | WO1986003559A1 Engine intake system with deceleration valve |
| 06/17/1986 | US4594977 Secondary air system for internal combustion engine with deceleration control |
| 06/10/1986 | US4593663 Control apparatus for an internal combustion engine having a carburetor |
| 05/14/1986 | EP0180918A1 Additional air device for combustion engines |
| 05/06/1986 | US4586481 Secondary air supply for internal combustion engine |
| 04/29/1986 | US4584979 Air-fuel ratio control system for an internal combustion engine with a three way catalytic converter |
| 04/08/1986 | CA1202845A1 Valve device for increasing the fuel economy and reducing the emissions from an internal combustion engine |
| 04/01/1986 | US4579099 Air intake side secondary air supply system for an internal combustion engine |
| 03/19/1986 | EP0026198B1 Correcting device for the carburation of engines of vehicules during transitional phases of operation |