Patents
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)
09/1981
09/08/1981CA1108494A1 Unitary assembly for control of egr apparatus for engine
09/01/1981US4286567 Exhaust gas recirculation control system for an internal combustion engine
09/01/1981US4286566 Engine system
09/01/1981US4286561 Internal combustion engine intake system having jet-producing nozzle in intake port
08/1981
08/25/1981US4285318 Exhaust gas recirculation system having flow control valve combined with supersonic nozzle
08/25/1981US4285317 Exhaust gas recirculation system
08/25/1981US4285308 Cold start fuel enrichment system
08/20/1981WO1981002327A1 Water injection in internal combustion engines
08/20/1981WO1981002325A1 Electronically controlled fluid injection system for an internal combustion engine
08/20/1981WO1981002324A1 Electronically controlled fluid injection system for an internal combustion engine
08/18/1981US4284047 Apparatus for controlling the air-fuel quantity ratio in internal combustion engines
08/11/1981US4283356 Carburetor for internal combustion engines
08/11/1981US4282847 Exhaust gas recirculation system for internal combustion engine
08/11/1981US4282846 Exhaust gas recirculating device
08/11/1981US4282713 Control for supercharger turbines
08/04/1981US4281631 Exhaust gas recirculation and idle speed control device
08/04/1981US4281626 Vaporizable liquid injection system and method for internal combustion engine
08/04/1981CA1106250A1 Egr control system for internal combustion engine
07/1981
07/29/1981EP0032849A1 Carburettor
07/28/1981US4280471 Control system for internal combustion engine
07/28/1981US4280470 Three-step exhaust gas recirculation control system
07/28/1981US4280466 Evaporative emission control device
07/28/1981US4280462 Electronically controlled carburetor for internal combustion engine
07/21/1981US4279235 Apparatus for fixing the composition of the gas content of internal combustion engine cylinders
07/21/1981US4279233 Device for trapping fuel vapor vaporized in fuel feed system of internal combustion engine
07/21/1981US4279223 Internal combustion engine fuel-saving and pollution-reducing system
07/14/1981US4278063 Internal combustion engine with an exhaust gas purifying system
07/14/1981CA1104893A1 Internal combustion engine with dual induction system
07/07/1981US4276866 Computer-controlled exhaust gas recirculation system for internal combustion engine
07/07/1981US4276865 Diesel engine having a subchamber
06/1981
06/30/1981US4276601 Electronic engine control apparatus
06/30/1981US4276131 Vaporized fuel for internal combustion engine
06/30/1981US4275697 Closed loop air-fuel ratio control system
06/30/1981US4275696 Carburetor outer vent control device
06/23/1981US4275016 Variable venturi type carburetor
06/23/1981US4274385 Exhaust gas recirculation system for internal combustion engine
06/23/1981US4274384 Engine exhaust gas recirculation system
06/17/1981EP0030429A2 Fuels and a method of running an engine using such fuels
06/16/1981US4273092 Exhaust gas recirculation system with engine load dependent performance
06/09/1981US4271811 Feedback control of exhaust gas recirculation based on combustion condition
06/09/1981US4271802 Secondary intake gas control system for internal combustion engine
06/09/1981US4271801 Internal combustion engine with twin intake ports for each cylinder
06/09/1981US4271793 Internal combustion engine
06/03/1981EP0029438A1 Method and apparatus for reducing particles discharged by combustion means
06/02/1981US4270508 Combustion control system
06/02/1981US4270504 Fuel bowl vent
06/02/1981US4270500 Internal combustion engine with dual induction system
05/1981
05/26/1981US4269159 Engine system
05/26/1981US4269029 Internal combustion engine with exhaust emission control system
05/19/1981US4267855 Pneumatic vacuum regulator
05/19/1981US4267812 Engine EGR cooler
05/19/1981US4267809 Exhaust gas recirculation control system
05/12/1981US4266524 Device for regulating the amount of exhaust gases recycled to a diesel engine
05/12/1981CA1100835A1 Load responsive egr valve
05/06/1981EP0028152A1 Vacuum modulator valve and subassembly therefor
04/1981
04/30/1981WO1981001172A1 Air treating device for fuel burning engines
04/28/1981US4263783 Exhaust gas purification system for an internal combustion engine
04/22/1981EP0027108A1 Crankcase breather
04/21/1981CA1099610A1 Process for making colloidal sols of antimony pentoxide in an aqueous medium
04/14/1981US4261717 Internal combustion engine
03/1981
03/31/1981US4259096 Fuel vapor adsorption type air cleaner element for internal combustion engine
03/31/1981US4259022 Fuel producing system for solid/liquid mixtures
03/31/1981US4258687 Engine with integral mounted EGR cooler
03/31/1981US4258686 Combustion system for internal combustion engines
03/31/1981CA1098482A1 Internal combustion engine with automatic control of electrolyte hydrogen generator
03/24/1981US4257382 Electronic control system for internal combustion engines
03/24/1981US4257381 Exhaust gas recirculation system controlled by a microcomputer for an internal combustion engine
03/24/1981US4257372 Internal combustion engine exhaust passage structure
03/24/1981US4257362 Method and apparatus for varying the fuel ratio of an air-fuel mixture
03/17/1981US4256076 Exhaust gas recycling modulator valve assembly
03/11/1981EP0024718A2 Device for increasing or decreasing the oxygen content of air, and method of producing and of operating it
03/10/1981US4254938 Suction pressure responsive valve device
03/10/1981CA1097180A1 Valve control mechanism
03/10/1981CA1097160A1 Vehicle engine control
03/03/1981CA1096720A1 Apparatus for venting fuel vapors
03/03/1981CA1096719A1 Method and apparatus for hydrogen fueled internal combustion engines
02/1981
02/24/1981CA1096466A1 Digital circuitry for spark timing and exhaust gas recirculation control
02/19/1981WO1981000430A1 Combustion engine and process for producing an air-fuel mixture
02/17/1981US4250860 Internal combustion engine with exhaust emission control system
02/17/1981US4250847 Method and apparatus for limiting the action of a manual choke by the recirculation of exhaust gases
02/17/1981US4250711 Method and apparatus for supercharging an internal combustion engine
02/17/1981US4250707 Exhaust emission control system for internal combustion engines
02/11/1981EP0023719A1 Combustion engine and method for producing a fuel-air mixture for it
02/11/1981EP0023632A1 Method for controlling the amount of fuel supply for an engine
02/10/1981US4249505 Compensation system for quantity of intake air for an internal combustion engine
02/10/1981US4249504 Unitary assembly for control of EGR apparatus for engine
02/10/1981US4249503 Exhaust gas recirculation for engine
02/10/1981US4249490 Exhaust gas recirculation for engine
02/10/1981US4249382 Exhaust gas recirculation system for turbo charged engines
02/10/1981US4249374 Split engine control system with exhaust gas recirculation
02/10/1981CA1095353A1 Exhaust gas recirculation control
02/10/1981CA1095352A1 Exhaust gas recirculation control
02/03/1981US4248193 Fuel injection fuel control system
02/03/1981US4248187 Electronic control system for internal combustion engines
02/03/1981US4248186 Exhaust gas recirculation control system
02/03/1981CA1094915A1 Exhaust gas valve position regulator assembly
02/03/1981CA1094913A1 Fuel vapor vent valve
02/03/1981CA1094846A1 Integral manifold absolute pressure and ambient absolute pressure sensor and associated electronics
01/1981
01/20/1981US4246082 Method for producing vaporized fuel for internal combustion engine
01/20/1981US4245607 EGR Control system for internal combustion engine