| Patents for F02D 19 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures (5,613) |
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| 12/18/1991 | EP0461347A1 Device for inserting a small amount of a rare earth containing mixture or composition into a combustion chamber |
| 12/13/1991 | WO1991019896A1 Device for inserting rare earth particles into a combustion chamber |
| 12/11/1991 | EP0461081A1 Regulating device of the flow rate of gaseous fuel in vehicles |
| 12/10/1991 | US5070850 Mixture control unit system for soil venting apparatus |
| 12/05/1991 | DE4117440A1 Adaptively setting fuel-air mixt. ratio to fuel properties - responding to deviations from desired value of engine operation parameters with variable rate of mixt. adjustment |
| 12/04/1991 | EP0459083A1 Water-injection diesel engine |
| 11/26/1991 | US5067467 Intensifier-injector for gaseous fuel for positive displacement engines |
| 11/21/1991 | DE4015411A1 Dual fuel gas engine - is driven by main and gases with cut=off valves and automatic pressure regulators in input pipes |
| 11/20/1991 | CN1056262A Method and apparatus for producing water-in-oil emulsion |
| 11/06/1991 | EP0454875A1 Feedback control system of air/fuel ratio in internal combustion engines, especially in engines operating with gaseous fuel |
| 10/29/1991 | US5060619 Electrostatic capacity type fuel concentration monitoring unit with temperature dependent fluctuation compensating feature |
| 10/24/1991 | DE4112574A1 IC engine fuel system - calculates required air-fuel ratio for each different type of fuel |
| 10/15/1991 | US5056490 Fuel injection control apparatus for alcohol engine |
| 10/15/1991 | US5056469 Fuel injection system |
| 10/08/1991 | US5054460 Exhaust gas recirculation system |
| 09/19/1991 | WO1991014089A1 Process for operating an internal combustion engine with fuels of different composition |
| 09/19/1991 | DE4008372A1 Verfahren zum betrieb einer brennkraftmaschine mit brennstoffen unterschiedlicher zusammensetzung Method for operating an internal combustion engine with fuels of different composition |
| 09/03/1991 | US5044344 Pressure-responsive fuel delivery system |
| 08/22/1991 | WO1991012424A1 Method of detecting fuel blend ratio |
| 08/13/1991 | US5038730 Start control system for alcohol engine |
| 07/25/1991 | WO1991010824A1 Method of determining fuel blend ratio |
| 07/25/1991 | WO1991010823A1 Method of determining fuel blend ratio |
| 07/25/1991 | WO1991010822A1 Method of determining fuel blend ratio |
| 07/23/1991 | US5033416 Internal combustion engine for propelling ships that transport gaseous fuel |
| 07/17/1991 | EP0436636A1 Sensor and method for measuring alcohol concentration in an alcohol-gasoline mixture |
| 07/03/1991 | CN1052720A 流量控制系统 Flow control system |
| 06/12/1991 | EP0431357A1 Method of combustion of an aqueous fuel in an internal combustion engine |
| 06/05/1991 | EP0430269A2 Exhaust gas purification system for an internal combustion engine using alcohol blended gasoline for fuel |
| 06/05/1991 | EP0430153A1 Reciprocating internal combustion engine |
| 06/05/1991 | CN1051928A Aqueous fuel for internal combustion engine and method of combustion |
| 05/30/1991 | WO1991007579A1 Aqueous fuel for internal combustion engine and method of combustion |
| 05/29/1991 | EP0281585B1 Device for adapting the carburettor and ignition system of an internal combustion engine to all common grades of fuel for petrol engines |
| 05/28/1991 | US5018483 Fuel injection quantity control device for alcohol engine |
| 05/23/1991 | DE4042325A1 Combustion system for dual fuel engine |
| 05/16/1991 | DE4042324A1 Combustion system for dual fuel engine |
| 05/08/1991 | EP0426320A1 Re-combustion control means for alcohol engine |
| 05/08/1991 | CN1051228A Ic engine for propelling ships that transport gaseous fuel |
| 05/07/1991 | US5012781 Gas engine |
| 05/02/1991 | EP0424826A1 Method of feeding an internal combustion engine with more than one fuel |
| 04/24/1991 | EP0423636A1 Pressure-responsive fuel delivery system |
| 04/16/1991 | US5007398 Alcohol sensor failure detection system for internal combustion engine |
| 04/16/1991 | US5007381 Method to decrease black smoke of diesel |
| 04/04/1991 | WO1991004406A1 An adaptable fuel system |
| 04/03/1991 | EP0420599A2 Flow control system |
| 04/02/1991 | US5003956 Electronic fuel injection control system for a multi-fuel internal combustion engine and method therefore |
| 03/12/1991 | US4998518 Swirl control system for lean-burn engines |
| 03/07/1991 | DE3929115A1 Injection system for IC engine - has back pressure valve to return fuel to feed tube between tank and pump |
| 02/26/1991 | US4995367 System and method of control of internal combustion engine using methane fuel mixture |
| 02/19/1991 | US4993391 Tank, pump |
| 02/19/1991 | US4993386 Operation control system for internal combustion engine |
| 02/14/1991 | DE4025018A1 Alcohol combustion engine controller for flexible fuel vehicle - computes alcohol concn. in fuel by table look-up for opt. of operating conditions of auxiliary equipment |
| 02/05/1991 | US4989570 Fail detecting system for sensor monitoring concentration of a fuel in blended multi-fuel for internal combustion engine and fail-safe system in lambda-control |
| 01/30/1991 | EP0195803B1 Supplemental fueling of compression ignition engines |
| 01/23/1991 | EP0409187A1 Process for operating a piston engine and device for admission of a pressurized fuel-water vapour mixture |
| 01/22/1991 | US4986241 Internal combustion engine air-fuel ratio control system including alcohol sensor back-up control arrangement |
| 12/20/1990 | DE4019187A1 Mehrstoff-maschinensteuerung mit anfangsverzoegerung Multi-fuel machine control with anfangsverzoegerung |
| 12/20/1990 | DE4019161A1 Mehrstoffmaschinensteuerung mit von der treibstoffzusammensetzung abhaengiger treibstoffviskositaetskorrektur More Fabric Machine control with the fuel composition of dependent treibstoffviskositaetskorrektur |
| 12/20/1990 | DE4019160A1 Mehrstoffmaschinensteuerung mit verriegelung eines treibstoffsteuerparameters More Fabric Machine control with a locking fuel tax parameters |
| 12/20/1990 | DE4019159A1 Mehrstoffmaschinensteuerung mit behaelterablass More Fabric Machine control with behaelterablass |
| 12/19/1990 | EP0268669B1 Process and system for burning a liquid or gaseous fuel in the combustion chamber of an internal combustion engine |
| 11/28/1990 | EP0398898A1 Fuel control system. |
| 11/20/1990 | US4971015 Combustion engine with multi-fuel capability |
| 11/13/1990 | CA1276263C System for controlling mass flow rates of two gases |
| 11/06/1990 | US4967714 Apparatus for controlling engine operable on gasoline/alcohol fuel blend |
| 10/30/1990 | US4966103 Combustion system for dual fuel engine |
| 10/30/1990 | CA1275602C Lpg fuel shutoff system |
| 10/24/1990 | EP0228468B1 Fuel system for internal combustion engine |
| 09/27/1990 | DE3909750A1 Scavenging system for the introduction of starting fuel into the injection and fuel system of an internal combustion engine |
| 09/25/1990 | US4958598 Diesel engines |
| 09/18/1990 | US4957087 Apparatus for controlling engine operable on gasoline/alcohol fuel blend |
| 09/12/1990 | EP0386495A2 Motor vehicle with a security system |
| 09/11/1990 | US4955345 Multi-fuel engine control with fuel composition responsive fuel viscosity correction |
| 09/11/1990 | US4955326 Low emission dual fuel engine and method of operating same |
| 09/04/1990 | US4953515 Diesel engine secondary fuel injection system |
| 08/29/1990 | EP0204707B1 Method to operate a combustion engine and combustion engine |
| 08/07/1990 | US4945885 Multi-fuel engine control with canister purge |
| 08/07/1990 | US4945881 Multi-fuel engine control with initial delay |
| 08/07/1990 | US4945880 Multi-fuel engine control with fuel control parameter lock |
| 08/07/1990 | US4945863 Process for operating a fuel-burning engine |
| 07/18/1990 | EP0377782A2 Method for the determination of the alcohol content and/or the calorific value of fuels |
| 07/11/1990 | EP0377265A1 Gas engine |
| 07/10/1990 | CA1271378A1 Fuel system for internal combustion engine |
| 07/03/1990 | US4938180 Cold start system |
| 06/26/1990 | US4936280 Electronic dual fuel injection system |
| 06/21/1990 | DE3940494A1 Kraftstoffsystem Fuel system |
| 06/14/1990 | WO1990006427A1 Fuel control system |
| 06/12/1990 | CA1270162A1 Fuel control system |
| 06/12/1990 | CA1270161A1 Control system for engine operation using two fuels of different volatility |
| 05/30/1990 | EP0370615A2 Fuel supply system for internal combustion engines |
| 05/15/1990 | US4924822 Gas feed system for a gas-fired diesel engine |
| 05/15/1990 | CA1269000A1 Control system for engine operation using two fuels of different volumetric energy content |
| 05/10/1990 | DE3836602A1 Device for the addition of additives to liquid fuels |
| 05/08/1990 | US4922862 System for supplying different fuels to otto engines with electronic fuel-injection |
| 04/24/1990 | US4920494 Fuel monitoring arrangement for automotive internal combustion engine control system |
| 04/10/1990 | US4915084 Combustion engine with multi-fuel capability |
| 04/05/1990 | WO1990003565A1 Sensor and method for measuring alcohol concentration in an alcohol-gasoline mixture |
| 04/03/1990 | US4913098 Waste heat steam supercharger |
| 03/27/1990 | US4911124 Engines for use with gaseous fuels |
| 03/27/1990 | US4911116 For internal combustion engines |
| 03/20/1990 | US4909225 Multi-fuel engine control with fuel transition delay |