Patents
Sitemap › F02 - Combustion engines; Hot-gas or combustion-product engine plants › F02M - Supplying combustion engines in general with combustible mixtures or constituents thereof › F02M 25 - Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel, or fuel-air mixture
Patents for F02M 25 - Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel, or fuel-air mixture (28,324)
06/1977
06/21/1977US4030463 Internal combustion engine with return line for exhaust gases
06/21/1977US4030461 Internal combustion engine device
06/21/1977US4030455 Antipollution carburetor device for internal combustion engines
06/21/1977US4030453 Method of water admixing to fuel oil for an internal combustion engine and apparatus therefor
06/14/1977US4029982 Plug for internal combustion engine for limiting production of nitrogen oxide
06/07/1977US4027848 Thermally controlled fluid flow regulating or shut-off valves
06/07/1977US4027638 Exhaust gas recirculation device
06/07/1977US4027636 Flow rate control apparatus in exhaust gas recirculation system
06/07/1977US4027635 Flow rate control mechanism for use in exhaust gas re-circulating system
06/07/1977US4027630 Vapor injection apparatus for an internal combustion engine
05/1977
05/31/1977US4026258 Or oil vapors which are delivered to the combustion chamber of an internal combustion
05/31/1977US4026256 Engine exhaust gas recirculation (EGR) control system
05/24/1977US4024847 Digital control device for recirculated flow of exhaust gas in an internal combustion engine
05/24/1977US4024846 Valve device and system employing the same
05/24/1977US4024708 Multi cylinder internal combustion engine
05/17/1977US4023545 Energy means for internal combustion engines
05/17/1977US4023539 Fuel-reforming device for internal combustion engines
05/10/1977US4022237 Exhaust gas recirculation flow control system
05/03/1977US4020809 Exhaust gas recirculation system for a diesel engine
05/03/1977US4020808 Exhaust gas recirculation for emissions control
05/03/1977US4020798 Internal combustion engine fueled by NaK
04/1977
04/26/1977US4019472 Water injection device for internal combustion engines
04/19/1977US4018198 Exhaust gas recirculating system
04/19/1977US4018192 Water injection system for I.C. engines
04/19/1977US4018098 Exhaust gas return valve actuating rod
04/12/1977US4016848 Air-vent system for a carburetor
04/12/1977US4016837 Vapor intake system for internal combustion engines
03/1977
03/29/1977US4014637 Catalyst generator
03/29/1977US4014302 Device to reduce the nitrogen oxide content in the exhaust gas of an internal combustion engine
03/29/1977US4014299 Method and device for restraining nitrogen oxide production in combustion gas of internal combustion engines
03/22/1977US4013054 Fuel vapor disposal means with closed control of air fuel ratio
03/22/1977US4013052 Exhaust gas recirculation control device
03/15/1977US4011846 Anti-pollution device
03/15/1977US4011845 Internal combustion engine operation utilizing exhaust gas recirculation
03/15/1977US4011843 Vaporized fuel for internal combustion engine and method and apparatus for producing same
03/08/1977US4010723 Exhaust gas cleaning apparatus for an internal combustion engine for a vehicle
03/01/1977US4009700 Control arrangement for the reconveyance of exhaust gases
03/01/1977US4009574 Compression-ignition internal combustion engines
02/1977
02/22/1977US4008697 Internal combustion engine
02/08/1977US4006721 Control apparatus for exhaust gas recirculation system
02/01/1977US4005692 Carburetor arranged for recirculating exhaust gases
02/01/1977US4005691 Control installation for exhaust gas recycling
01/1977
01/25/1977US4004559 Alarm device for use in exhaust gas recirculating system
01/25/1977US4004554 Igniting
01/18/1977US4003969 Carburetor system for internal combustion engine
01/11/1977US4002154 Vacuum delay and shutoff valve
01/04/1977US4000727 Vehicle retrofit gasoline evaporation control device
12/1976
12/28/1976US3999967 From an internal combustion engine
12/28/1976US3999737 Flow control valve for exhaust gas purifying system
12/21/1976US3998194 System for control of exhaust gas recirculation
12/14/1976US3996905 Vacuum controls for internal combustion engines
12/14/1976US3996902 Waste-gas suppressor for internal-combustion engines
11/1976
11/30/1976US3994269 Multistep fluid control valve
11/23/1976US3992878 Engine secondary air flow control system
11/16/1976US3991724 Apparatus for moisture addition to engine air-fuel input
11/09/1976US3990421 Anti-pollution structure with a fuel economizing fuel feed and exhaust system for an internal combustion engine
11/09/1976US3990419 Air cleaner for use with an internal combustion engine
11/09/1976US3990418 Exhaust gas control valve
10/1976
10/26/1976US3987774 Supplementary fuel injection apparatus for the internal combustion engine
10/19/1976US3986840 Reactor assembly for reducing automotive pollutant emissions
10/19/1976US3986486 Reduction of hydrocarbons emissions in carbureted engines
10/12/1976US3985838 High velocity carburetor
10/12/1976US3985107 Combustible mixture supply system
10/05/1976US3983882 Method and apparatus for hydrogen fueled internal combustion engines
10/05/1976US3983854 Auxiliary pollution control device for spark-ignition engines
09/1976
09/28/1976US3982555 Vacuum relay valve
09/28/1976US3982515 Exhaust gas recirculation control assembly
09/28/1976US3982395 Exhaust system for multi-cylinder internal combustion
09/21/1976US3981284 Carburetor
09/21/1976US3981283 Engine exhaust gas recirculating control
09/14/1976US3980063 Devices for recirculating exhaust gases in internal combustion engines
09/14/1976US3980056 Fuel injection device
09/14/1976US3980052 Fuel supply installation for internal combustion engines
09/07/1976US3978834 Arrangement for controlling the recirculation of exhaust gas in internal combustion engines
08/1976
08/31/1976US3977381 Exhaust gas recirculation system
08/31/1976US3977374 Arrangement for the preparation of the fuel-air mixture for an internal combustion engine
08/31/1976US3977188 Fluid injecting devices in an internal combustion engine
08/24/1976US3976040 Apparatus and method for mixing and dispersing engine drainage into the fuel flow to an engine
08/24/1976US3975904 Controlled exhaust gas recirculation
08/17/1976US3975466 Carburetor auxiliary fluid injector
08/17/1976US3974807 Flow control valve assembly for exhaust gas recirculation system
08/10/1976US3973535 Exhaust gas recirculation system
08/10/1976US3973534 Carburetor aerator
08/03/1976US3972312 Exhaust gas recirculation control by high port actuated diaphragm
07/1976
07/27/1976US3971406 Vapor fuel control apparatus
07/27/1976US3971351 Fuel metering system
07/20/1976US3970061 Control system for exhaust gas recirculating valve
07/20/1976US3970052 Apparatus for controlling noxious exhaust gases from internal-combustion engine
07/13/1976US3969614 Method and apparatus for engine control
07/06/1976US3967605 Intake vacuum controlled manifold vacuum spoiler
06/1976
06/29/1976US3965871 Converter vaporizer
06/15/1976US3963011 Method and device for adjusting engine exhaust gas recirculation control
06/15/1976US3962868 Exhaust gas purifying system for use in internal combustion engine
06/08/1976US3961616 Fuel vaporizer for engines
06/08/1976US3961610 Exhaust gas recirculation control system
06/08/1976US3961609 Pure oxygen supply to an internal combustion engine
06/08/1976US3961608 Valve for controlling the flow of combustion gases in a combustion engine
05/1976
05/18/1976US3957025 Method and apparatus for controlling displaced vapor emissions in motor vehicles
05/11/1976US3955941 Hydrogen rich gas generator
05/11/1976US3955546 Fuel heat generator for internal combustion engines
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