Patents
Patents for F02B 47 - Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines (3,329)
03/1992
03/10/1992US5094218 Engine exhaust gas recirculation (EGR)
02/1992
02/25/1992US5090967 Method and composition for providing an improved combustion in processes of combustion containing hydrocarbon compounds
02/20/1992WO1992002723A1 Piston engine for converting heat into power by the stirling process with the heat supplied by internal combustion
02/13/1992DE4024558A1 Hubkolbenmaschine zur umwandlung von waerme in kraft nach dem stirling-prozess mit zufuehrung der waerme durch innere verbrennung Reciprocating engine for converting heat into power after the stirling-process with administration of heat by internal combustion
12/1991
12/31/1991US5076055 Recirculatory system
12/25/1991CN1057316A Method and device for improving combustion efficiency of internal combustion engine
12/18/1991EP0461347A1 Device for inserting a small amount of a rare earth containing mixture or composition into a combustion chamber
12/18/1991CN1057093A Air inlet temp. reduction by using waste heat of combustion engine flue gas
12/13/1991WO1991019896A1 Device for inserting rare earth particles into a combustion chamber
12/04/1991EP0459083A1 Water-injection diesel engine
11/1991
11/13/1991EP0456016A1 Injection system to enrich with oxygen an internal combustion engine
10/1991
10/31/1991DE4035064C1 Method of fuelling IC engine - has fuel and water vapour mix cooled after passing through compressor
08/1991
08/28/1991EP0442981A1 Internal combustion engine.
07/1991
07/30/1991US5035115 Energy conserving engine
07/23/1991US5033415 Oil additive, trihydrocarbyl borate
07/11/1991WO1991010044A1 Energy conserving engine
07/09/1991CA1285837C Steam purge of a piston/cylinder gap in a diesel engine
07/03/1991CN1052721A Random fuel water-adding emulsifying oil-saving system
06/1991
06/12/1991EP0431357A1 Method of combustion of an aqueous fuel in an internal combustion engine
06/05/1991CN1051928A Aqueous fuel for internal combustion engine and method of combustion
05/1991
05/30/1991WO1991007579A1 Aqueous fuel for internal combustion engine and method of combustion
05/21/1991US5016599 Closed cycle internal combustion engine
05/07/1991US5012772 Internal combustion engine
04/1991
04/10/1991EP0421481A1 Device for introducing pressurized gas in a combustion chamber of an internal combustion engine
04/03/1991EP0420647A1 Improvements in combustion engines
03/1991
03/30/1991WO1991005149A1 Improvements in combustion engines
03/30/1991CA2066186A1 Combustion engines
03/27/1991EP0418601A1 Injection device for a diesel engine
03/21/1991WO1991003634A1 Internal combustion engine
03/06/1991EP0414669A1 Device at internal combustion engines
02/1991
02/14/1991DE3926423A1 Four-stroke IC engine - has two inlet valves in combustion chamber, one valve opening briefly during exhaust stroke
02/06/1991EP0412076A1 Internal combustion engine with supercharger
01/1991
01/23/1991EP0409187A1 Process for operating a piston engine and device for admission of a pressurized fuel-water vapour mixture
01/15/1991US4984426 Closed circuit system for recycling the exhaust gases of a combustion engine
01/02/1991EP0405919A1 Water propelled internal-combustion engine system
12/1990
12/27/1990EP0404667A1 Combustion process of fuel-air mixture in a cylinder of an internal combustion engine and device for performing said process
12/27/1990EP0159320B1 Internal combustion engine and operating cycle therefor
12/19/1990EP0268669B1 Process and system for burning a liquid or gaseous fuel in the combustion chamber of an internal combustion engine
12/11/1990US4976226 Method for increasing the heat efficiency of a piston combustion engine
12/04/1990US4974572 Apparatus for and method of diagnosing exhaust gas recirculation system
11/1990
11/13/1990US4969446 Device at internal combustion engines
10/1990
10/30/1990US4967035 Method for testing different substances and a combustion engine for applying the method
10/02/1990US4960080 Pollution control apparatus and method for a turbodiesel motor-generator set
09/1990
09/25/1990CA1274434A1 Internal combustion engine
09/19/1990EP0388325A1 Process for improving the cetane number of straight new gasoils
08/1990
08/29/1990EP0383897A1 Closed cycle internal combustion engine.
08/29/1990EP0204707B1 Method to operate a combustion engine and combustion engine
08/23/1990DE3905284A1 Verfahren zur optimierten verbrennung von kraftstoffen bei minimaler co-emission und vorrichtung zur durchfuehrung des verfahrens Method for the optimized combustion of fuels with minimal co-emission and apparatus for performing the method
08/22/1990WO1990010149A1 Process for optimising fuel combustion with the minimum co emission and device for implementing it
08/22/1990CA2046863A1 Process for optimising fuel combustion with the minimum co emission and device for implementing it
08/08/1990EP0381604A1 Process for enhancing the ketane number of gas oils from visbreaking
08/03/1990WO1990008693A1 Recirculatory system
08/03/1990CA2009217A1 Process to improve the cetane index of viscoreduction gas-oil
07/1990
07/19/1990DE3900033A1 Engine and machine with a positive displacement effect
07/12/1990DE3900559A1 Method for detoxifying the exhaust of multi-cylinder mixture-compressing internal combustion engines
04/1990
04/25/1990CN2056450U Miniature adaptable power-free emulsification system
03/1990
03/20/1990US4909192 Method and cylinder head structure for supply of fuel into a piston engine
03/08/1990WO1990002254A1 Closed cycle internal combustion engine
01/1990
01/16/1990CA1264430A1 Internal combustion engines
01/09/1990US4891939 System for the cryogenic processing and storage of combustion products of heat engines
12/1989
12/20/1989EP0346803A1 Method and device for removing soot and condensable components from diesel exhaust gases
12/14/1989DE3820069A1 Exhaust gas combustion in carburettor engines
12/05/1989US4884533 Method of and an arrangement for burning a liquid or gaseous fuel in a combustion chamber of an internal combustion engine
11/1989
11/08/1989EP0340545A2 Closed circuit system for a combustion engine recycling the exhaust gases
11/02/1989DE3821832C1 Exhaust system for a piston internal combustion engine
10/1989
10/25/1989EP0338007A1 Process and apparatus for mixing aerosols and combustion air
09/1989
09/27/1989EP0333704A1 Method for providing an improved combustion in processes of combustion containing hydrocarbon compounds.
09/26/1989CA1260782A1 Piston type internal combustion engine power units
09/26/1989CA1260711A1 Fuel additive
09/26/1989CA1260343A1 Exhaust gas recirculation system for crankcase scavenged two cycle engine
08/1989
08/24/1989WO1989007702A1 Oxygen enrichment of fuels
07/1989
07/18/1989CA1257516A1 Automotive dispensing apparatus for fuel additive
05/1989
05/23/1989US4831970 Device for the injection in internal combustion engines of combustible emulsions with a readily variable emulsion ratio
05/16/1989US4829958 Device and method for introducing pressurized gas into a combustion chamber of a reciprocating internal combustion engine
04/1989
04/25/1989US4823798 Diagnosing system for an exhaust gas recirculation system of an automotive engine
04/19/1989EP0311877A2 Method and cylinder head for admitting fuel to a piston engine
02/1989
02/21/1989US4805571 Internal combustion engine
11/1988
11/30/1988EP0293069A1 Improvement of the Cetane Number of Diesel Engine Fuels
11/15/1988US4783963 Internal combustion steam engine
10/1988
10/25/1988US4779600 Engine
10/05/1988EP0285190A1 Device for the injection in internal combustion engines of combustible emulsions with a readily variable emulsion ratio
07/1988
07/27/1988EP0275842A1 Method for optimizing combustion processes by mixing an aqueous saline aerosol containing ionic species to the combustion air and improved apparatus for an automatic control of said mixing
07/20/1988CN87107774A Method and composition for providing improved combustion in processes of combustion containing hydrocarbon compounds
07/19/1988US4757787 Method of and an arrangement for burning a liquid or gaseous fuel in a combustion chamber of an internal combustion engine
07/12/1988US4756285 Combustion process for internal combustion engine
06/1988
06/30/1988WO1988004721A1 Method and device for mixing aerosols and combustion air
06/01/1988EP0269228A2 Fuel additive metering apparatus
06/01/1988EP0268696A1 Two-stroke internal-combustion engine
06/01/1988EP0268669A1 Process and system for burning a liquid or gaseous fuel in the combustion chamber of an internal combustion engine.
05/1988
05/19/1988WO1988003550A1 Method and composition for providing an improved combustion in processes of combustion containing hydrocarbon compounds
05/05/1988DE3637239A1 Method and agent for influencing the combustion in internal combustion engines
04/1988
04/21/1988WO1988002815A1 Device at internal combustion engines
04/12/1988US4736715 Engine with a six-stroke cycle, variable compression ratio, and constant stroke
04/05/1988US4735186 Internal combustion engine and a method of operating the engine
03/1988
03/22/1988US4732114 Process for producing a diesel-fuel/water emulsion for a diesel engine
03/15/1988CA1234026A1 Internal-combustion engine
03/09/1988CN86100529B Energy-saving method and device for combustion engine
03/01/1988US4727827 Fuel additive metering system
12/1987
12/17/1987WO1987007679A1 Process and system for burning a liquid or gaseous fuel in the combustion chamber of an internal combustion engine
11/1987
11/05/1987WO1987006649A1 Steam/explosion engine with internal steam production
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