Patents for F02D 21 - Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas (5,404) |
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04/13/1982 | CA1121676A1 Fuel saving |
03/30/1982 | US4322800 Method of reducing fuel consumption rate in internal combustion engines |
03/30/1982 | US4322799 Exhaust gas recirculation valve control system and method |
03/23/1982 | US4320726 Internal combustion engine |
03/23/1982 | CA1120566A1 Exhaust gas recirculation system having a solenoid duty cycle compensation circuit for an internal combustion engine |
03/23/1982 | CA1120356A1 Fuel injection fuel control system |
03/17/1982 | EP0047313A1 Devices for supplementing conventional liquid fuels in internal combustion engines with gaseous fuel supplements |
03/16/1982 | CA1119965A1 Variable compression ratio internal combustion engine |
03/09/1982 | US4318385 Exhaust gas recirculation control system |
03/02/1982 | US4317432 Two-cycle internal combustion engine |
02/24/1982 | EP0046156A1 Turbocharged engine with pressurized gas recirculation |
02/23/1982 | US4317182 Signal averaging device |
02/16/1982 | US4315521 Fluid pressure signal controller |
02/16/1982 | US4315492 EGR Valve control signal processing for internal combustion engine |
02/09/1982 | US4314534 Feedback control system for internal combustion engine |
02/09/1982 | CA1118077A1 Control of egr in a closed loop efi engine |
02/02/1982 | US4313415 Exhaust gas recirculation system in compression-ignition internal combustion engine |
02/02/1982 | US4313406 Multi-cylinder internal combustion engine |
01/19/1982 | US4312038 Electronic engine control apparatus having arrangement for detecting stopping of the engine |
01/19/1982 | CA1116486A1 Internal combustion engine |
01/12/1982 | US4310889 Apparatus for electronically controlling internal combustion engine |
01/05/1982 | US4309759 Electronic engine control apparatus |
01/05/1982 | US4308831 Internal combustion engine |
12/22/1981 | US4306534 Apparatus for controlling the ratio of air to fuel quantity in internal combustion engines |
12/22/1981 | US4306533 Internal combustion engine with exhaust gas recycling system |
12/09/1981 | EP0041238A2 Control system for engine of automotive vehicle equipped with lock-up type automatic transmission |
12/08/1981 | US4304210 System and method for controlling EGR in internal combustion engine |
12/08/1981 | US4304209 Apparatus for controlling the recirculated exhaust gas quantities and the injection quantity in auto-igniting internal combustion engines |
12/08/1981 | US4304208 Internal combustion engine |
12/08/1981 | US4304207 Exhaust gas recirculation system for an internal combustion engine |
12/01/1981 | US4303053 Split mode internal combustion engine with improved NOx reduction means |
12/01/1981 | CA1113323A1 Air/fuel ratio regulator |
11/17/1981 | US4300516 System and method for controlling exhaust gas recirculation |
11/17/1981 | US4300515 Apparatus for actuating an adjustment device acting upon a control apparatus for exhaust recirculation in internal combustion engines |
11/12/1981 | WO1981003202A1 Method of combusting fuel in a diesel engine |
11/11/1981 | EP0039480A2 Fluid pressure signal controller |
10/20/1981 | US4295456 Exhaust-gas-recirculation system for use in diesel engines |
10/20/1981 | US4295455 Exhaust gas recirculation control system for a compression-ignition internal combustion engine |
10/06/1981 | US4292938 Internal combustion engine |
09/29/1981 | CA1109947A1 Closed loop exhaust gas recirculation system |
09/22/1981 | US4290404 Fuel supply control system |
09/22/1981 | US4290403 Method and apparatus for providing optimum fuel-to-air ratio for internal combustion engine |
09/17/1981 | WO1981002610A1 Devices for supplementing conventional liquid fuels in internal combustion engines with gaseous fuel supplements |
09/15/1981 | US4289108 Exhaust gas recirculation rate control device |
09/15/1981 | CA1109138A1 Closed loop exhaust gas recirculation control system |
09/01/1981 | US4286566 Engine system |
09/01/1981 | US4286552 Variable compression ratio internal combustion engine |
08/25/1981 | US4285318 Exhaust gas recirculation system having flow control valve combined with supersonic nozzle |
08/18/1981 | US4284056 Split-type internal combustion engine |
08/18/1981 | US4284047 Apparatus for controlling the air-fuel quantity ratio in internal combustion engines |
08/11/1981 | US4282845 Internal combustion engine with exhaust gas accumulation chamber |
08/04/1981 | US4282573 Processor interrupt device for an electronic engine control apparatus |
08/04/1981 | US4281631 Exhaust gas recirculation and idle speed control device |
08/04/1981 | CA1106250A1 Egr control system for internal combustion engine |
07/28/1981 | US4280471 Control system for internal combustion engine |
07/28/1981 | US4280470 Three-step exhaust gas recirculation control system |
07/28/1981 | US4280469 Powertrain and apparatus using a continuously variable ratio transmission to improve fuel economy |
07/21/1981 | US4280189 Input signal processor used in electronic engine control apparatus |
07/21/1981 | US4279235 Apparatus for fixing the composition of the gas content of internal combustion engine cylinders |
07/07/1981 | US4277829 Error preventing device for an electronic engine control apparatus |
07/07/1981 | US4276865 Diesel engine having a subchamber |
06/30/1981 | US4276602 Electronic engine control apparatus having arrangement for varying fuel injection duration |
06/30/1981 | US4276601 Electronic engine control apparatus |
06/23/1981 | US4274385 Exhaust gas recirculation system for internal combustion engine |
06/23/1981 | US4274373 Combined split engine and closed loop mixture control operation with enriched fuel during partial cylinder mode |
06/16/1981 | US4274141 Method and apparatus for controlling an internal combustion engine, particularly the starting up of the engine |
06/09/1981 | US4271899 Heat pump control system |
06/09/1981 | US4271811 Feedback control of exhaust gas recirculation based on combustion condition |
06/09/1981 | US4271810 Divided chamber engine with prechamber exhaust recirculation |
06/09/1981 | US4271804 Method and apparatus for determining fuel mixture adjustment values for fuel burning engines |
06/09/1981 | US4271800 Apparatus for charging an internal combustion engine |
05/26/1981 | US4269159 Engine system |
04/28/1981 | US4263783 Exhaust gas purification system for an internal combustion engine |
03/24/1981 | US4257382 Electronic control system for internal combustion engines |
03/24/1981 | US4257381 Exhaust gas recirculation system controlled by a microcomputer for an internal combustion engine |
03/24/1981 | US4257372 Internal combustion engine exhaust passage structure |
03/17/1981 | US4256074 Control system for closed loop mixture correction and split engine operation |
03/17/1981 | US4256064 Fuel conserving engine improvement |
03/11/1981 | EP0024718A2 Device for increasing or decreasing the oxygen content of air, and method of producing and of operating it |
02/24/1981 | CA1096466A1 Digital circuitry for spark timing and exhaust gas recirculation control |
02/17/1981 | US4250711 Method and apparatus for supercharging an internal combustion engine |
02/10/1981 | US4249382 Exhaust gas recirculation system for turbo charged engines |
02/10/1981 | US4249374 Split engine control system with exhaust gas recirculation |
02/10/1981 | CA1095353A1 Exhaust gas recirculation control |
02/03/1981 | US4248193 Fuel injection fuel control system |
02/03/1981 | US4248187 Electronic control system for internal combustion engines |
02/03/1981 | CA1094846A1 Integral manifold absolute pressure and ambient absolute pressure sensor and associated electronics |
01/20/1981 | US4245607 EGR Control system for internal combustion engine |
01/20/1981 | US4245606 EGR Control system for internal combustion engine |
01/20/1981 | US4245471 Stoichiometric and enrichment mixture control during different split engine modes |
01/13/1981 | US4245314 Oxygen sensor qualifier |
01/13/1981 | US4245312 Electronic fuel injection compensation |
01/06/1981 | US4244023 Microprocessor-based engine control system with acceleration enrichment control |
01/06/1981 | US4243005 Ignition system in dual spark plug ignition engine with EGR system |
01/06/1981 | US4242997 Exhaust gas recirculation system for internal combustion engines |
01/06/1981 | CA1092911A1 Engine ignition timing control |
12/30/1980 | US4242728 Input/output electronic for microprocessor-based engine control system |
12/23/1980 | US4240395 Air/fuel ratio controller |
12/02/1980 | US4236493 EGR Control system |
11/18/1980 | US4233947 Exhaust gas recirculation system having a solenoid duty compensation circuit for an internal combustion engine |