Patents for G01M 15 - Testing of engines (13,067)
10/1998
10/20/1998US5824890 Real time misfire detection for automobile engines
10/20/1998US5822979 Catalyst monitoring using a hydrocarbon sensor
10/15/1998DE19813460A1 Automobile diagnosis device coupled to onboard electronic control unit
10/15/1998DE19740917A1 Cylinder gas temperature determination in combustion engine
10/13/1998US5822710 Method of detecting engine speed for detecting misfires in an internal combustion engine
10/13/1998US5821435 Exhaust gas measuring apparatus
10/13/1998US5821412 Apparatus and method for processing engine measurements
10/13/1998US5821411 Method for detecting combustion misfires via a separate classification of individual and permanent misfires
10/13/1998US5819530 Internal combustion engine controller with exhaust gas purification catalyst and its deterioration monitoring system
10/08/1998WO1998044251A1 Diagnostic system in an engine management system
10/08/1998WO1998044250A1 Device for determining the volume of air entering the cylinder of an internal combustion engine with a supercharger
10/08/1998DE19756919A1 Control of internal combustion engine
10/08/1998DE19756619A1 Control of internal combustion engine
10/08/1998DE19740970A1 Operation of internal combustion engine
10/08/1998DE19740969A1 Operating IC engine for motor vechile with air led to engine across throttle valve.
10/08/1998DE19740918A1 Internal combustion engine gas flow control
10/08/1998DE19740916A1 Operating IC engine for motor vechile with air led to engine across throttle valve
10/08/1998DE19740915A1 Intake for internal combustion engine
10/08/1998DE19740914A1 Einrichtung zum Bestimmen der in die Zylinder einer Brennkraftmaschine mit Lader gelangenden Luft Means for determining the in the cylinders of an internal combustion engine with supercharger air entering
10/07/1998EP0869349A2 Device for turbidity measurement
10/07/1998EP0868660A2 Process for detecting cyclical fluctuations in combustion in an internal combustion engine
10/06/1998US5819197 Method of misfire detection for an internal combustion engine
10/01/1998WO1998043061A1 Method and apparatus for separating a partial flow from a flow of gases
10/01/1998DE19713182A1 Method of determining engine revs. of motor vehicle for engine testing esp. exhaust gas testing
10/01/1998CA2284479A1 Method and apparatus for separating a partial flow from a flow of gases
09/1998
09/30/1998EP0867609A1 Method and system for estimating a midbed temperature of a catalytic converter in an exhaust system
09/29/1998US5814724 Method and device for determining piston engine wear
09/22/1998US5811671 Method and apparatus for testing the electrical connection of solenoid-coil-operated injection valves
09/17/1998WO1998040716A1 Method and device for diagnosis for vehicle
09/17/1998DE19710654A1 Optical probe for detecting combustion, especially in IC engine combustion chambers
09/15/1998US5808186 Method for detecting misfire by fluctuation in crankshaft rotation
09/09/1998EP0573569B1 Internal combustion engine mapping apparatus and method
09/08/1998US5804711 Pattern recognition method and system for determining a misfire condition in a reciprocating engine
09/08/1998US5803055 Device for detecting replenishment of fuel tank of an engine and diagnostic device for evaporated fuel processing mechanism of the engine
09/03/1998DE19733356A1 Internal combustion engine state determination device
09/03/1998DE19733355A1 Internal combustion engine state determination device
09/01/1998US5799639 Evaporative fuel-processing system for internal combustion engines
08/1998
08/27/1998DE19734039A1 Internal combustion engine combustion state determining device
08/27/1998DE19730362A1 Internal combustion engine state measurement device
08/26/1998EP0860599A2 Combustion state detection system for internal combustion engine
08/26/1998EP0860598A2 Combustion state detection system for internal combustion engine
08/25/1998US5797375 Method of detecting and documenting exhaust-gas relevant malfunctions of a vehicle
08/20/1998WO1998036280A1 Accelerometer sensor for detecting knocks and method for making same
08/20/1998WO1998036257A1 Device for detecting misfiring of an air/fuel mixture supplying an internal combustion engine driving a motor vehicle
08/19/1998EP0859238A2 EMS testing system
08/19/1998EP0859226A2 Method and device for determining the remaining part of an oil change interval of a combustion engine
08/12/1998EP0857959A1 Test chamber for motor vehicle engines
08/12/1998EP0857958A1 System for the rapid cooling of engines on a test bench and relative device
08/11/1998US5794171 Process for deriving predictive model of crankshaft rotation of a combustion engine
08/11/1998US5793649 Apparatus for measuring the operation of vehicular engines
08/11/1998CA2081080C Method for the detection of reciprocating machine faults and failures
08/05/1998EP0856652A1 Process for determining the film of fuel deposited on the intake manifold of electroinjector engines with controlled ignition
08/04/1998US5790965 Diagnosis system applicable to several types of electronic control units for motor vehicles
08/04/1998US5789667 Apparatus and method for testing electric motors
08/04/1998US5789658 Adaptation method for correcting tolerances of a transducer wheel
07/1998
07/29/1998EP0855588A1 Normalized misfire detection method
07/29/1998EP0855578A2 Exhaust gas flow measuring equipment of internal combustion engine and process for calibrating sensitivity of trace gas flow meter
07/28/1998US5786531 Compression ratio measurement
07/28/1998US5785020 Combustion state detecting apparatus for an internal-combustion engine
07/28/1998US5784929 Dynamometer torsional damping apparatus
07/22/1998EP0853794A1 Modified trimmed mean filtering for misfire detection
07/22/1998EP0853722A2 Diagnostic system particularly for an engine management system
07/21/1998US5783990 Method of detecting and documenting exhaust-gas relevant malfunctions of a vehicle having an internal combustion engine utilizing onboard means
07/16/1998DE19701110A1 Internal combustion engine tester for analysing analogue measurement signals of engine
07/14/1998US5780730 Method of testing a internal combustion engine
07/14/1998US5780728 Diagnosis apparatus and method for an evapo-purge system
07/09/1998WO1998029718A1 Process for calculating the torque of an electronic injection internal combustion engine
07/08/1998EP0670996B1 Device for fault recognition in a knock-detecting device
07/07/1998US5777243 Adjustable vehicle simulator rig for chassis dynamometer testing
07/02/1998DE19654137A1 Internal combustion engine testing method
07/02/1998DE19653333A1 Exhaust gas tester for combustion engines
06/1998
06/30/1998US5774823 Method of generation correction tables for misfire detection using neural networks
06/24/1998EP0849581A1 Method of detection of output fluctuation in internal combustion engine
06/24/1998CN1185832A Device for knock recognition and control of a combustion engine
06/23/1998US5771483 Internal combustion engine torque measurement device and method
06/23/1998US5771482 Estimation of instantaneous indicated torque in multicylinder engines
06/18/1998DE19755195A1 Sensor failure diagnostic method for fuel injection system
06/18/1998DE19735010C1 Ignition mis-firing detection method for IC engine with two spark plugs per cylinder
06/17/1998EP0722562B1 Engine knock detection process
06/17/1998CN1184889A Sensor failure diagnosis method in fuel injection system and sensor failure diagnosis apparatus in fuel injection system
06/16/1998US5767396 Method and device for measuring fuel injection timing
06/16/1998US5767394 Method and system for early cylinder identification
06/16/1998US5765540 Method of diagnosing an evaporative system
06/11/1998WO1998025124A1 Method and apparatus for inspecting spark plug while spark plug is installed in engine
06/11/1998WO1998017989A3 Automotive engine misfire detection system including a bit-serial based recurrent neuroprocessor
06/10/1998CN1038708C Method of recording engine cycle and its apparatus
06/09/1998US5762045 Method of and apparatus for ascertaining a knock intensity signal of an internal combustion engine
06/04/1998WO1998023938A1 A quality control system for testing mechanical devices
06/04/1998DE19650047A1 Screen communication system linking vehicle with service station or garage
06/03/1998EP0845666A1 Testing equipment for motor vehicle internal combustion engines
06/02/1998US5758628 For use with a fuel purge system
05/1998
05/27/1998EP0844470A1 Knocking detecting sensor
05/26/1998US5758307 Normalized misfire detection method
05/26/1998US5758300 Diagnosis system for motor vehicles and the method thereof
05/19/1998US5754450 Detection of faults in the working of electric motor driven equipment
05/19/1998US5753804 Spatial frequency implemented digital filters for engine misfire detection
05/19/1998US5753798 Pressure sensor for gaseous and/or liquid media of internal combustion engines with improved temperature stability
05/13/1998EP0841553A2 Apparatus and method of detecting combustion state of internal combustion engine and recording medium storing program for execution of the detecting method
05/13/1998EP0840885A1 Method and apparatus for individually testing combustion engines from a production line
05/12/1998US5752213 Misfire detector with torsional oscillation filtering