Patents
Patents for F02D 21 - Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas (5,404)
04/1982
04/13/1982CA1121676A1 Fuel saving
03/1982
03/30/1982US4322800 Method of reducing fuel consumption rate in internal combustion engines
03/30/1982US4322799 Exhaust gas recirculation valve control system and method
03/23/1982US4320726 Internal combustion engine
03/23/1982CA1120566A1 Exhaust gas recirculation system having a solenoid duty cycle compensation circuit for an internal combustion engine
03/23/1982CA1120356A1 Fuel injection fuel control system
03/17/1982EP0047313A1 Devices for supplementing conventional liquid fuels in internal combustion engines with gaseous fuel supplements
03/16/1982CA1119965A1 Variable compression ratio internal combustion engine
03/09/1982US4318385 Exhaust gas recirculation control system
03/02/1982US4317432 Two-cycle internal combustion engine
02/1982
02/24/1982EP0046156A1 Turbocharged engine with pressurized gas recirculation
02/23/1982US4317182 Signal averaging device
02/16/1982US4315521 Fluid pressure signal controller
02/16/1982US4315492 EGR Valve control signal processing for internal combustion engine
02/09/1982US4314534 Feedback control system for internal combustion engine
02/09/1982CA1118077A1 Control of egr in a closed loop efi engine
02/02/1982US4313415 Exhaust gas recirculation system in compression-ignition internal combustion engine
02/02/1982US4313406 Multi-cylinder internal combustion engine
01/1982
01/19/1982US4312038 Electronic engine control apparatus having arrangement for detecting stopping of the engine
01/19/1982CA1116486A1 Internal combustion engine
01/12/1982US4310889 Apparatus for electronically controlling internal combustion engine
01/05/1982US4309759 Electronic engine control apparatus
01/05/1982US4308831 Internal combustion engine
12/1981
12/22/1981US4306534 Apparatus for controlling the ratio of air to fuel quantity in internal combustion engines
12/22/1981US4306533 Internal combustion engine with exhaust gas recycling system
12/09/1981EP0041238A2 Control system for engine of automotive vehicle equipped with lock-up type automatic transmission
12/08/1981US4304210 System and method for controlling EGR in internal combustion engine
12/08/1981US4304209 Apparatus for controlling the recirculated exhaust gas quantities and the injection quantity in auto-igniting internal combustion engines
12/08/1981US4304208 Internal combustion engine
12/08/1981US4304207 Exhaust gas recirculation system for an internal combustion engine
12/01/1981US4303053 Split mode internal combustion engine with improved NOx reduction means
12/01/1981CA1113323A1 Air/fuel ratio regulator
11/1981
11/17/1981US4300516 System and method for controlling exhaust gas recirculation
11/17/1981US4300515 Apparatus for actuating an adjustment device acting upon a control apparatus for exhaust recirculation in internal combustion engines
11/12/1981WO1981003202A1 Method of combusting fuel in a diesel engine
11/11/1981EP0039480A2 Fluid pressure signal controller
10/1981
10/20/1981US4295456 Exhaust-gas-recirculation system for use in diesel engines
10/20/1981US4295455 Exhaust gas recirculation control system for a compression-ignition internal combustion engine
10/06/1981US4292938 Internal combustion engine
09/1981
09/29/1981CA1109947A1 Closed loop exhaust gas recirculation system
09/22/1981US4290404 Fuel supply control system
09/22/1981US4290403 Method and apparatus for providing optimum fuel-to-air ratio for internal combustion engine
09/17/1981WO1981002610A1 Devices for supplementing conventional liquid fuels in internal combustion engines with gaseous fuel supplements
09/15/1981US4289108 Exhaust gas recirculation rate control device
09/15/1981CA1109138A1 Closed loop exhaust gas recirculation control system
09/01/1981US4286566 Engine system
09/01/1981US4286552 Variable compression ratio internal combustion engine
08/1981
08/25/1981US4285318 Exhaust gas recirculation system having flow control valve combined with supersonic nozzle
08/18/1981US4284056 Split-type internal combustion engine
08/18/1981US4284047 Apparatus for controlling the air-fuel quantity ratio in internal combustion engines
08/11/1981US4282845 Internal combustion engine with exhaust gas accumulation chamber
08/04/1981US4282573 Processor interrupt device for an electronic engine control apparatus
08/04/1981US4281631 Exhaust gas recirculation and idle speed control device
08/04/1981CA1106250A1 Egr control system for internal combustion engine
07/1981
07/28/1981US4280471 Control system for internal combustion engine
07/28/1981US4280470 Three-step exhaust gas recirculation control system
07/28/1981US4280469 Powertrain and apparatus using a continuously variable ratio transmission to improve fuel economy
07/21/1981US4280189 Input signal processor used in electronic engine control apparatus
07/21/1981US4279235 Apparatus for fixing the composition of the gas content of internal combustion engine cylinders
07/07/1981US4277829 Error preventing device for an electronic engine control apparatus
07/07/1981US4276865 Diesel engine having a subchamber
06/1981
06/30/1981US4276602 Electronic engine control apparatus having arrangement for varying fuel injection duration
06/30/1981US4276601 Electronic engine control apparatus
06/23/1981US4274385 Exhaust gas recirculation system for internal combustion engine
06/23/1981US4274373 Combined split engine and closed loop mixture control operation with enriched fuel during partial cylinder mode
06/16/1981US4274141 Method and apparatus for controlling an internal combustion engine, particularly the starting up of the engine
06/09/1981US4271899 Heat pump control system
06/09/1981US4271811 Feedback control of exhaust gas recirculation based on combustion condition
06/09/1981US4271810 Divided chamber engine with prechamber exhaust recirculation
06/09/1981US4271804 Method and apparatus for determining fuel mixture adjustment values for fuel burning engines
06/09/1981US4271800 Apparatus for charging an internal combustion engine
05/1981
05/26/1981US4269159 Engine system
04/1981
04/28/1981US4263783 Exhaust gas purification system for an internal combustion engine
03/1981
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
03/17/1981US4256074 Control system for closed loop mixture correction and split engine operation
03/17/1981US4256064 Fuel conserving engine improvement
03/11/1981EP0024718A2 Device for increasing or decreasing the oxygen content of air, and method of producing and of operating it
02/1981
02/24/1981CA1096466A1 Digital circuitry for spark timing and exhaust gas recirculation control
02/17/1981US4250711 Method and apparatus for supercharging an internal combustion 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
02/03/1981US4248193 Fuel injection fuel control system
02/03/1981US4248187 Electronic control system for internal combustion engines
02/03/1981CA1094846A1 Integral manifold absolute pressure and ambient absolute pressure sensor and associated electronics
01/1981
01/20/1981US4245607 EGR Control system for internal combustion engine
01/20/1981US4245606 EGR Control system for internal combustion engine
01/20/1981US4245471 Stoichiometric and enrichment mixture control during different split engine modes
01/13/1981US4245314 Oxygen sensor qualifier
01/13/1981US4245312 Electronic fuel injection compensation
01/06/1981US4244023 Microprocessor-based engine control system with acceleration enrichment control
01/06/1981US4243005 Ignition system in dual spark plug ignition engine with EGR system
01/06/1981US4242997 Exhaust gas recirculation system for internal combustion engines
01/06/1981CA1092911A1 Engine ignition timing control
12/1980
12/30/1980US4242728 Input/output electronic for microprocessor-based engine control system
12/23/1980US4240395 Air/fuel ratio controller
12/02/1980US4236493 EGR Control system
11/1980
11/18/1980US4233947 Exhaust gas recirculation system having a solenoid duty compensation circuit for an internal combustion engine
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