Patents
Sitemap › F02 - Combustion engines; Hot-gas or combustion-product engine plants › F02M - Supplying combustion engines in general with combustible mixtures or constituents thereof › F02M 25 - Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel, or fuel-air mixture
Patents for F02M 25 - Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel, or fuel-air mixture (28,324)
04/1998
04/23/1998DE19642685A1 Exhaust recirculation and secondary air feed device for IC engine
04/22/1998EP0837237A2 Exhaust gas recirculation system for internal combustion engine and method for detecting an abnormal condition thereof
04/22/1998EP0837234A1 Method and system for estimating a midbed temperature of a catalytic converter
04/22/1998EP0837232A2 Apparatus for controlling negative pressure in internal combustion engine
04/22/1998EP0836674A1 Load control system for a stratified charge engine
04/22/1998CN2279451Y Vaporising burner for vehicle
04/22/1998CN1179813A Canister purge flow regulator
04/21/1998US5740786 Internal combustion engine with an exhaust gas recirculation system
04/21/1998US5740785 Two way-high pressure loop, exhaust gas recirculation valve
04/21/1998US5740776 Method of operating an internal combustion engine
04/21/1998US5740775 Diesel engine
04/16/1998WO1998009067A3 Diagnostic device for monitoring an exhaust gas return system of an internal combustion engine
04/16/1998DE19641467A1 Secondary air system for IC engine
04/16/1998DE19634975C1 Diagnoseeinrichtung zum Überwachen eines Abgasrückführsystems einer Brennkraftmaschine Diagnostic means for monitoring an exhaust gas recirculation system of an internal combustion engine
04/15/1998EP0836002A2 Device for transfering heat between flowing fluids for a combustion engine
04/15/1998EP0835995A2 Internal combustion engine with an intake passage of variable volume
04/15/1998EP0835515A1 Electromagnetic actuator arrangement for engine control valve
04/15/1998CN1178716A Method and apparatus for purifying exhuasted gas by alpha decay
04/14/1998US5739421 Leak diagnosis system for evaporative emission control system
04/14/1998US5738692 Introducing catalyst element of tin, antimony, lead and mercury; improves combustion efficiency and reduces exhaust emissions
04/08/1998EP0834648A2 Exhaust gas recirculation control device for engine with dual cooling system
04/08/1998EP0834010A1 Magnet valve
04/08/1998CN1178570A Method and device for control of an IC engine
04/07/1998US5735255 Control method controlling air/fuel operation of an engine
04/07/1998US5735252 Method for pneumatically checking the operability of a tank-venting system
04/07/1998US5735251 Fuel-vapor emission control apparatus for engine
04/02/1998WO1998013598A1 Fuel identification and control system for an internal combustion engine using an aqueous fuel emulsion
04/02/1998WO1998013596A1 Fuel control system for an internal combustion engine using an aqueous fuel emulsion
04/02/1998WO1998013595A1 Aqueous fuel emulsion identification system and anti-tampering device for an internal combustion engine
04/02/1998WO1998013593A1 Low emission power plant and method of making same
04/02/1998WO1998013128A1 PROCESS FOR REMOVING NOx FROM EXHAUST FUMES
04/02/1998DE19640161A1 NOx-Abgasreinigungsverfahren NOx emission control method
04/01/1998EP0833049A1 Electrically actuated valve with continuous discharge in operation for canister regeneration
04/01/1998EP0833048A2 Evaporated fuel treatment device of an engine
04/01/1998EP0833045A2 Apparatus for controlling negative pressure in internal combustion engine
04/01/1998EP0833044A2 Apparatus for controlling negative pressure in internal combustion engine
04/01/1998EP0832804A2 Apparatus for controlling negative pressure in internal combustion engine
03/1998
03/31/1998US5732688 System for controlling recirculated exhaust gas temperature in an internal combustion engine
03/31/1998US5732687 Evaporative fuel-processing system for internal combustion engines
03/31/1998US5732554 Exhaust gas purification device for an internal combustion engine
03/26/1998DE19639116A1 Fuel tank ventilation arrangement for motor vehicle
03/25/1998EP0831209A1 A device for purifying the exhaust gas of an internal combustion engine
03/24/1998US5731514 Abnormality detecting apparatus for use in fuel-transpiration preventing systems
03/24/1998US5730107 Pump device for a fuel vapor trapping system, and fuel vapor trapping system
03/24/1998US5730106 Fuel/vapor separator apparatus for diesel engines
03/19/1998DE19739751A1 Exhaust gas cleaning system for IC engine esp diesel engine
03/19/1998DE19637998A1 Engine brake device for internal combustion engine
03/19/1998DE19637078A1 Electromagnetic control valve for exhaust gas feedback in IC engine e.g. diesel engine
03/18/1998EP0829639A2 Exhaust gas recirculation valve
03/18/1998EP0829638A2 Actuator housing
03/18/1998EP0829631A2 Apparatus and method for controlling intake air amount in engines that perform lean cumbustion
03/18/1998EP0829630A2 A control apparatus for an internal combustion engine
03/18/1998EP0829623A1 Process for reducing NOx emission from exhaust gases
03/18/1998EP0828804A1 Internal combustion gas generator
03/18/1998EP0681648B1 Positive pressure canister purge system integrity confirmation
03/17/1998US5727537 Fuel supply control system for an engine
03/17/1998US5727532 Canister purge system having improved purge valve control
03/17/1998US5727531 In a fuel tank for an internal combustion engine
03/17/1998US5727530 Evaporative fuel-processing system for internal combustion engines for vehicles
03/17/1998US5727528 Control apparatus and control method of internal combustion engine
03/17/1998US5727514 Remote controlled intermittent user activated anti-corrosion fogging device for infrequently used internal combustion marine engines
03/12/1998WO1998010185A1 DRIVE ARRANGEMENT AND METHOD OF REDUCING THE AMOUNT OF NOx IN THE EXHAUST GASES FROM AN INTERNAL COMBUSTION ENGINE
03/12/1998WO1998010179A2 Homogeneous charge compression ignition engine with optimal combustion control
03/12/1998WO1998010178A2 Fuel/vapor separator apparatus for diesel engines
03/12/1998WO1998010177A1 Exhaust fume purification process for an internal combustion engine
03/12/1998DE19737377A1 Air-fuel ratio control system for IC engine
03/12/1998DE19701353C1 Motor vehicle IC engine fuel-tank ventilation
03/12/1998DE19636806A1 Exhaust gas recirculation control valve for internal combustion engine
03/12/1998DE19636431A1 Function testing method for fuel tank venting device
03/12/1998DE19636041A1 Waste gas purification process
03/12/1998DE19636040A1 Waste gas purification process
03/12/1998DE19635068A1 Fuel supply system for fuel-injected IC engine e.g. of urban vehicles
03/12/1998CA2264881A1 Drive arrangement and method of reducing the amount of nox in the exhaust gases from an internal combustion engine
03/12/1998CA2263440A1 Fuel/vapor separator apparatus for diesel engines
03/11/1998EP0828063A1 Exhaust gas purifying device for engine
03/10/1998US5726354 Testing method for fuel vapor treating apparatus
03/10/1998US5725609 Water in viscous hydrocarbon emulsion combustible fuel for diesel engines and process for making same
03/10/1998US5724950 Exhaust gas recirculating controller
03/10/1998US5724808 Air-fuel ratio control system for internal combustion engines
03/05/1998WO1998009067A2 Diagnostic device for monitoring an exhaust gas return system of an internal combustion engine
03/04/1998EP0826868A1 Method to purify the exhaust gas of an internal combustion engine
03/04/1998EP0826105A1 Canister purge system having improved purge valve control
03/04/1998EP0826104A1 Canister purge system having improved purge valve
03/04/1998CN2275644Y Inverse vertical turbulence type fuel oil emulsor
03/04/1998CN1174931A By-pass gas inlet system for boosting of crankcase
03/03/1998US5722634 Pintle-type EGR valve
03/03/1998US5722632 Temperature-compensated exhaust gas recirculation system
03/03/1998US5722377 Fuel injection method and system
03/03/1998US5722376 Apparatus and method for controlling the flow of crankcase emissions in an internal combustion engine
02/1998
02/26/1998WO1998007977A1 Internal combustion engine with a fuel vaporization device
02/26/1998WO1998007976A1 Internal combustion engine with exhaust with gas recirculation
02/26/1998WO1998007975A1 A method of operating an internal combustion engine arrangement and such an arrangement
02/26/1998WO1998007973A1 Premixed charge compression ignition engine with optimal combustion control
02/25/1998EP0825341A1 Injection valve arrangement
02/25/1998EP0825340A2 Evaporated fuel treatment device of an engine
02/25/1998EP0824367A1 Control arrangement for an apparatus for producing a fuel mixture
02/24/1998US5720256 Apparatus and method for controlling idle rotation speed learning of an internal combustion engine
02/19/1998DE19633259A1 Brennkraftmaschine Internal combustion engine
02/19/1998DE19633190A1 Kühlsystem für eine Brennkraftmaschine A cooling system for an internal combustion engine
02/18/1998EP0824189A2 Evaporated fuel treatment device of an engine
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