Patents
Sitemap › F02 - Combustion engines; Hot-gas or combustion-product engine plants › F02D - Controlling combustion engines › F02D 21 - Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas
Patents for F02D 21 - Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas (5,404)
10/1992
10/14/1992EP0507996A2 Device for controlled introduction of exhaust gases into the combustion chamber of an internal combustion engine
10/06/1992US5152273 Exhaust gas recirculation control device and its failure diagnosis device
09/1992
09/29/1992US5150696 Adaptive memory control for normalized dilution
09/29/1992US5150694 Diesel engine closed loop air/fuel ratio control
09/29/1992US5150680 Internal combustion engine control method and apparatus
09/01/1992US5142866 Sequential turbocharger system for an internal combustion engine
08/1992
08/18/1992US5138835 Diesel engine with an exhaust-gas filter
08/05/1992EP0497677A1 Improvements for exhaust gas recirculation devices
06/1992
06/30/1992US5125231 Dual converter engine exhaust system for reducing hydrocarbon emissions
06/17/1992EP0490550A2 Control apparatus for an internal combustion engine
06/10/1992EP0489263A2 Exhaust gas recirculation system for an internal combustion engine
06/02/1992US5117800 Oxygen enrichment of fuels
05/1992
05/26/1992US5115790 Re-combustion control means for alcohol engine
05/26/1992US5115789 Direct injection diesel engine
05/19/1992US5113835 Method of controlling exhaust gas recirculation for an internal combustion engine
05/13/1992EP0484656A2 Device for metering exhaust gases into the combustion chamber of an internal combustion engine
05/06/1992EP0484206A1 Method for reducing noxious components in exhaust gases and engine for use therewith
04/1992
04/02/1992DE4130853A1 Control of exhaust gas recycling into combustion engine - inhibits feedback when engine speed is too low for starting, or too high for clean combustion
03/1992
03/25/1992EP0477046A1 Direct injection diesel engine
03/18/1992EP0475843A2 Direct injection diesel engine
03/11/1992EP0473931A2 Method for influencing the quantity of the recirculated exhaust gas
02/1992
02/20/1992DE4104011C1 IC engine control system - uses EGR and low heat conduction inlet manifold with matching of inlet air to injected fuel volume
02/13/1992DE4025565A1 Controlled IC exhaust gas buffer and recycle system - improving cold start=up efficiency of catalytic converters using an engine management device
02/05/1992EP0469254A1 Device for controlling the exhaust gas recirculation in an internal combustion engine
02/04/1992US5085049 Diesel engine exhaust filtration system and method
12/1991
12/11/1991EP0460542A2 Dual converter engine exhaust system for reducing hydrocarbon emissions
12/09/1991CA2043191A1 Dual converter engine exhaust system for reducing hydrocarbon emissions
12/05/1991DE4017547A1 Exhaust gas cleaning installation for four-stroke engine - includes electronically controlled feedback from exhaust to inlet manifold according to speed, temp., flow and vacuum
11/1991
11/28/1991DE4113005A1 Internal combustion engine esp. diesel engine with exhaust gas filter - has filter by=pass line opened by piston and matches exhaust feedback rate to engine operating conditions
11/26/1991US5067973 Automatic regeneration of diesel exhaust to remove soot
11/13/1991EP0456016A1 Injection system to enrich with oxygen an internal combustion engine
10/1991
10/29/1991US5060618 Method and apparatus for controlling torque variations in an internal combustion engine
10/24/1991DE4024087C1 IC engine exhaust gas return valve - has diaphragm motor switchable from vacuum to exhaust gas counter pressure engagement
10/08/1991US5054460 Exhaust gas recirculation system
09/1991
09/18/1991EP0446400A1 Method of and apparatus for the regeneration of a soot filter
08/1991
08/07/1991EP0440173A2 Method and apparatus for controlling torque generated in an internal combustion engine
07/1991
07/23/1991CA1286557C Controlling emissions from two stroke engines
07/17/1991EP0322412B1 Exhaust gas recirculation
07/09/1991US5029570 Exhaust gas recirculation control
05/1991
05/21/1991US5016599 Closed cycle internal combustion engine
05/08/1991EP0426320A1 Re-combustion control means for alcohol engine
04/1991
04/25/1991DE3935367A1 Engine brake operating system - increases working gas pressure to increase brake action
04/09/1991US5005552 Exhaust gas recirculation system of engine
03/1991
03/26/1991US5002031 Fuel control apparatus for an internal-combustion engine
03/19/1991US5001645 Adaptive control system for an engine
02/1991
02/13/1991EP0412521A1 Control circuit for influencing the exhaust gas composition of an internal combustion engine
11/1990
11/14/1990EP0397360A1 Exhaust gas recirculation system of an engine
10/1990
10/23/1990US4964318 Engine control apparatus for improved fuel economy
10/16/1990US4962570 Throttle control system for internal combustion engine with vehicle driving condition-dependent throttle angle correction coefficient variable
09/1990
09/27/1990DE3909932A1 Verfahren zur regeneration eines in der abgasleitung einer aufgeladenen brennkraftmaschine angeordneten partikelfilters A method for regeneration of the exhaust pipe of a supercharged internal combustion engine mounted particulate filter
09/25/1990US4958490 Method for reducing nitric oxide emissions in exhaust gases from diesel engines
09/18/1990US4956973 Exhaust gas recycling system for an exhaust gas turbocharged engine
08/1990
08/29/1990EP0383897A1 Closed cycle internal combustion engine.
08/14/1990US4947820 Combustion control system for internal combustion engine adaptable to on and off of exhaust gas recirculation
07/1990
07/03/1990US4938198 Internal combustion engine
05/1990
05/15/1990US4924840 Fast response exhaust gas recirculation (EGR) system
05/01/1990US4920932 Relating to controlling emissions from two stroke engines
04/1990
04/12/1990DE3153619C2 Altitude-compensated IC engine fuel injection pump
04/11/1990EP0363021A1 Fast response exhaust gas recirculation (EGR) system
03/1990
03/20/1990US4909036 Exhaust system for internal combustion engine with compression wave supercharger
03/13/1990US4907560 Exhaust-gas recirculating system for internal-combustion engines
03/08/1990WO1990002254A1 Closed cycle internal combustion engine
02/1990
02/06/1990US4898143 Exhaust gas recirculation control method for internal combustion engines
01/1990
01/31/1990EP0280678B1 Method for reducing nitric oxide emissions in exhaust gases from diesel engines
01/23/1990US4895125 Apparatus for the feedback of exhaust gases in an internal combustion engine
12/1989
12/12/1989US4886027 Fuel injection temperature compensation system
11/1989
11/21/1989US4881509 Electronic control device for internal combustion engine with EGR control apparatus
08/1989
08/29/1989US4860716 Multi-cylinder diesel internal combustion engine with low compression ratio in the cylinders
08/24/1989WO1989007702A1 Oxygen enrichment of fuels
08/23/1989EP0281572B1 Multi-cylinder diesel internal combustion engine with low compression ratio in the cylinders
07/1989
07/18/1989US4848303 Method of controlling operation of internal combustion engines
07/11/1989US4846130 Engine ignition timing with knock control by combustion pressure harmonic amplitude ratio
07/05/1989CN1004719B Low compression ratio multi-cylinder diesel engine
06/1989
06/21/1989EP0321451A2 Diesel particulate oxidizer regeneration system
06/07/1989EP0318714A2 Exhaust gas recirculation device for internal combustion engines
06/06/1989US4835964 Diesel particulate oxidizer regeneration system
05/1989
05/30/1989CA1254805A1 Exhaust gas reflux apparatus
05/02/1989US4825841 Diagnosis device for an internal combustion engine exhaust gas recycling device
04/1989
04/25/1989US4823798 Diagnosing system for an exhaust gas recirculation system of an automotive engine
04/25/1989US4823760 Internal combustion engine controlling apparatus
04/06/1989DE3831080A1 Exhaust gas recirculation for an internal combustion engine
02/1989
02/28/1989CA1250640A1 Egr diagnostic system
01/1989
01/26/1989DE3723703A1 Internal combustion engine with at least one soot filter
01/03/1989US4794903 Recirculated exhaust gas quantity control apparatus for internal combustion engine
12/1988
12/22/1988DE3718714A1 Apparatus for raising the level of the combustion temperature in an internal combustion engine
12/13/1988US4790286 EGR control device for internal combustion engine
11/1988
11/15/1988CA1244918A1 Analog duty cycle to bcd converter
11/08/1988US4782810 Fuel injection system for internal combustion engine
09/1988
09/27/1988US4773379 Apparatus for controlling pressure-activated actuator, and apparatus for controlling exhaust-gas recirculation
09/14/1988EP0281572A1 Multi-cylinder diesel internal combustion engine with low compression ratio in the cylinders.
09/13/1988US4770148 Method of controlling operation of internal combustion engines in dependence upon intake air temperature
09/07/1988EP0280678A1 Method for reducing nitric oxide emissions in exhaust gases from diesel engines.
09/06/1988US4768491 Fuel supply control system for an internal combustion engine
09/06/1988US4768485 Mixture control for an internal combustion engine
08/1988
08/17/1988EP0210177B1 Method for modifying the operation parameters of internal combustion machines
08/09/1988US4762109 Device for and method of affecting control of operational magnitudes of internal combustion engines having exhaust gas circulation
08/09/1988US4762107 For exhaust gas recirculation rate in an internal combustion engine
07/1988
07/28/1988DE3801296C1 Exhaust gas recirculation device in a diesel internal combustion engine
07/20/1988EP0275169A2 Adaptive control system for and method of controlling an internal combustion engine
07/19/1988US4757683 Exhaust gas recirculation method for internal combustion engines
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