Patents
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)
11/1999
11/02/1999US5975062 Apparatus and method for periodically cleaning a charcoal canister and for periodically checking leak-tightness of a fuel system of an internal combustion engine
11/02/1999US5974861 Vapor leak detection module having a shared electromagnet coil for operating both pump and vent valve
11/02/1999US5974802 Exhaust gas recirculation system employing a fluidic pump
11/02/1999US5974793 Exhaust gas purification device for an internal combustion engine
11/02/1999US5974792 Internal combustion engine control with fast exhaust catalyst warm-up
10/1999
10/28/1999WO1999054650A1 Control valve unit
10/28/1999WO1999054607A1 Turbocharged internal combustion engine
10/28/1999DE19860052A1 Semiconductor component with memory node capacitor structure
10/28/1999DE19818697A1 Verfahren zur Bestimmung von Leckagen im Kraftstoffversorgungssystem eines Kraftfahrzeuges A method for determining leaks in the fuel supply system of a motor vehicle
10/28/1999DE19817740A1 Abgasrückführventil Exhaust gas recirculation valve
10/27/1999EP0952332A2 Method for detecting leaks in fuel supply systems of a vehicle
10/27/1999EP0952331A2 Exhaust gas recirculation valve
10/27/1999EP0952323A2 Internal combustion engine
10/27/1999EP0952321A2 Internal combustion engine
10/27/1999EP0851977B1 Novel construction for non-moving parts of an electric actuated exhaust gas recirculation valve
10/27/1999CN1233313A Premixed charge compression ignition engine with optimal combustion control
10/26/1999US5970994 Method and apparatus for cleaning an automotive engine
10/26/1999US5970961 Valve control method
10/26/1999US5970960 Exhaust gas recirculation system of internal combustion engine
10/26/1999US5970958 Fuel vapor purge control
10/26/1999US5970957 Vapor recovery system
10/21/1999WO1999053181A2 Fuel system leakage detector
10/21/1999DE19852218A1 Fuel regulation system for direct injection internal combustion engines
10/20/1999EP0950803A2 Exhaust purification device for internal combustion engine
10/20/1999EP0950556A1 Fill limiting vent valve for a fuel tank
10/20/1999EP0950157A1 Wrappable sleeve
10/20/1999CN2344566Y Engine membrane separation oxygen-enrichment fuel-saving device
10/19/1999US5967487 Automotive emission control valve with a cushion media
10/19/1999US5967183 Controlling vapor flow in a conduit
10/19/1999US5967127 Blow-by gas treatment for engine
10/19/1999US5967125 Air/fuel ratio control device for internal combustion engine
10/19/1999US5967124 Vapor leak detection system having a shared electromagnet coil for operating both pump and vent valve
10/19/1999US5967121 Unit and snap-action device therefor
10/19/1999US5967099 System, method, and device for nitrous oxide injection
10/14/1999DE4244774C2 Mixture control for ic engine with temperature limiting
10/14/1999DE19915047A1 Fuel error and purge flow estimation method for motor vehicle engine with a fuel vapor recovery system and an exhaust gas sensor
10/14/1999DE19914787A1 Exhaust gas purification system for an I.C. engine
10/14/1999DE19914678A1 Elektrisches Durchflußmengenregelventil Electric flow control valve
10/14/1999DE19914211A1 Lean-mixture IC engine
10/14/1999DE19830230A1 Check valve for exhaust gas feedback
10/14/1999DE19816267A1 Flange section for air suction channel system of internal combustion engine
10/14/1999DE19816266A1 Luftansaugkanalsystem für eine Brennkraftmaschine Air intake duct system for an internal combustion engine
10/14/1999DE19813321A1 Adsorption filter arrangement for (de)aerating a vehicle fuel tank
10/13/1999EP0949414A2 Air intake system for a combustion engine
10/13/1999EP0949321A2 Reaction products of a polymeric component and a mannich base and their use as additives in lubricant and fuel compositions
10/12/1999US5964820 Diesel engine exhaust recirculating system diagnostic
10/12/1999US5964811 Control method and apparatus for diagnosing vehicles
10/12/1999US5964207 Crankcase venting system for an internal combustion engine
10/07/1999WO1999050551A1 Automotive evaporative leak detection system
10/06/1999EP0947689A2 Method of forming a liquid fuel-air mixture for operating a heat engine
10/06/1999EP0947687A2 Apparatus for detecting concentration of fuel vapour in lean-burn internal combustion engine
10/06/1999EP0947685A2 Compression ignition type engine
10/06/1999EP0947366A2 Air filter assembly for automotive fuel vapour recovery system
10/06/1999EP0946829A1 Fuel injection system for an internal combustion engine
10/06/1999EP0946828A1 Fuel injection system for an internal combustion engine
10/06/1999CN2342115Y Economizor for automobile
10/06/1999CN1230561A Polymeric mannich additives
10/05/1999US5962927 Method of controlling generator driving engine and system for embodying the same
10/05/1999US5961699 Canister apparatus
10/05/1999US5960817 Control valve and system for fuel vapor recovery
10/05/1999US5960777 Combustion engine air supply system
10/05/1999US5960776 Exhaust gas recirculation valve having a centered solenoid assembly and floating valve mechanism
10/05/1999US5960769 Air intake method and controller for engines performing stratified charge combustion
10/05/1999CA2082110C Exhaust gas recirculation coupler and differential venturi
10/02/1999CA2261513A1 Polymeric mannich additives
09/1999
09/30/1999WO1999049204A1 Method for preparing an air-fuel mixture for an internal combustion engine, device for realising the same and heat-exchanger
09/30/1999WO1999049203A1 Flow rate control valve
09/30/1999WO1999049190A1 Method and arrangement for control of air-fuel ratio of combustion engine
09/30/1999DE19813891A1 Verfahren zur Erzeugung eines Flüssigbrennstoff-/Luftgemischs zum Betrieb einer Wärmekraftmaschine A method for producing a liquid fuel / air mixture for operation of a heat engine
09/30/1999DE19812702A1 Valve device for controlling exhaust feedback for an internal combustion engine
09/30/1999DE19812151A1 Electromagnetic control device for engine exhaust gas feedback
09/30/1999DE19810466A1 Verfahren zum Betrieb eines Ottomotors mit Direkteinspritzung Method for operating a spark-ignition engine with direct injection
09/30/1999CA2267050A1 Air filter assembly for automotive fuel vapor recovery system
09/29/1999CN2340921Y Boosting fuel saver of diesel engine
09/29/1999CN1229880A Method and appts. for improving fuel
09/29/1999CN1229878A I. C. engine cylinder using water as fuel and method of producing fuel using water
09/28/1999US5957117 Automotive emission control valve assembly
09/28/1999US5957116 Integrated and separable EGR distribution manifold
09/28/1999US5957115 Pulse interval leak detection system
09/28/1999US5957114 Evaporative emission canister for an automotive vehicle
09/28/1999US5957113 Fuel vapor recovery apparatus
09/28/1999US5956947 Exhaust gas purifying method and apparatus for internal combustion engine
09/28/1999US5956941 Method and system for estimating a midbed temperature of a catalytic converter
09/23/1999WO1999047842A1 Bellows balanced solenoid egr valve
09/23/1999WO1999047797A1 Method for operating a four-stroke reciprocating internal combustion engine
09/23/1999DE19827330C1 Appliance for protecting an air flow measurement sensor located in the induction pipe of an I.C. engine from oil contamination
09/23/1999DE19812090A1 Exhaust and catalytic convertor system for multicylinder internal combustion engine with at least two cylinder banks
09/23/1999DE19811634A1 Air intake channel system for Diesel engine
09/23/1999CA2324502A1 Bellows balanced solenoid egr valve
09/22/1999EP0943793A2 Control for direct fuel injection spark ignition internal combustion engine
09/22/1999EP0943791A2 Evaporative fuel processing apparatus for a lean-burn internal combustion engine
09/22/1999EP0943790A2 Compression ignition type engine
09/22/1999CN2339767Y Economizer of fuel-oil engine
09/22/1999CN1229169A Method for application of oxygen element on internal-combustion engine
09/21/1999US5954034 For an internal combustion engine
09/21/1999US5954021 Support structure for an intake manifold
09/21/1999US5953908 Spontaneous combustion of hydrogen and air, preheating
09/21/1999US5953905 System and method for monitoring a catalytic converter
09/21/1999CA2124895C Engine enhancer
09/16/1999WO1999046500A1 Valve device