| Patents for G01M 15 - Testing of engines (13,067) |
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| 02/21/2001 | CN1062391C Method and device for testing original position of electric motor's rotator for ac servo system |
| 02/20/2001 | US6191592 Connection inspecting apparatus for a cord and a method for inspecting a connection of a cord |
| 02/15/2001 | DE4320943C2 Verfahren zur Charakterisierung der Arbeitsweise von Verbrennungsmotoren durch Messen der Gaszusammensetzung im Brennraum durch Raman-Spektroskopie A method for characterizing the operation of internal combustion engines by measuring the gas composition in the combustion chamber by Raman spectroscopy |
| 02/13/2001 | US6188952 Method for determining the progress of internal pressure of a cylinder in an internal combustion engine |
| 02/13/2001 | US6188951 Engine friction characterization |
| 02/13/2001 | US6188938 Closed loop customer vibration screening and resolution process |
| 02/13/2001 | US6186129 Ion sense biasing circuit |
| 02/13/2001 | US6185996 System and method for diagnosing output power of an internal combustion engine |
| 02/13/2001 | US6185995 Method and system for determining proper assembly of engine components |
| 02/13/2001 | US6185984 Device for detecting the knocking of an internal combustion engine |
| 02/13/2001 | US6185928 Method and device for detecting misfires in a controlled-ignition internal combustion engine |
| 02/06/2001 | US6182502 Diagnostic module for testing the tightness of a container |
| 02/01/2001 | DE19962799A1 System for detecting faulty ignition in combustion engines has magnetic pick-up producing analogue signals from variations in magnetic field caused by flywheel tooth gap distance difference |
| 01/31/2001 | EP1071937A1 System and method for configuring and/or parameterizing an diagnostic device |
| 01/30/2001 | US6181992 Automotive diagnostic service tool with hand held tool and master controller |
| 01/25/2001 | WO2001006224A1 Method for testing a combustion engine for assembly and/or manufacturing faults |
| 01/25/2001 | WO2001006223A1 Method for detecting the state of a catalytic converter system |
| 01/25/2001 | DE19931985A1 Determining indicated pressure in internal combustion engines involves deriving energy conversion from torque increase based on polytropic compression of indicated torque/pressure |
| 01/23/2001 | US6176125 Exhaust gas flow measuring equipment for internal combustion engines and processes for calibrating sensitivity of trace gas flow meters |
| 01/23/2001 | US6176123 Detecting apparatus of engine rotation angle |
| 01/18/2001 | DE19932715A1 Verfahren zur Zustandserfassung eines Katalysatorsystems A method for determining the condition of a catalyst system |
| 01/17/2001 | EP1047927A4 Lubrication system monitor |
| 01/11/2001 | WO2001002720A1 Method and arrangement for sensor diagnosis |
| 01/11/2001 | DE19928558A1 Motor vehicle diagnostic method by providing recommendation to driver if not changing operating mode would result in undesirable state |
| 01/11/2001 | DE10017749A1 System zur Erfassung von Fehlzündungen in Verbrennungsmotoren A system for detecting misfire in internal combustion engines |
| 01/10/2001 | CN2413966Y Excitation regulator test instrument |
| 01/09/2001 | US6170462 Electronic control unit for internal combustion engine |
| 01/06/2001 | CA2313436A1 Method and system for determining proper assembly of engine components |
| 01/03/2001 | EP1065490A2 Methods and apparatus for suppressing engine test cell howl |
| 01/02/2001 | US6167755 Device for determining load in an internal combustion engine |
| 12/28/2000 | DE19928681A1 Anordnung zur Messung und Auswertung von Wartungswerten Arrangement for measuring and evaluating maintenance values |
| 12/27/2000 | EP1063507A2 System for measuring and evaluating vehicle maintenance values |
| 12/21/2000 | DE19927192A1 Signal detector for detecting rotation speed or angular position of crankshaft or cam shaft of internal combustion engine has control device for adapting sensor signals to application |
| 12/20/2000 | EP1032811A4 Velocity adaptive control test system |
| 12/14/2000 | WO2000075500A1 Crank angle position detector of internal combustion engine |
| 12/13/2000 | EP1059434A2 A fault diagnostic apparatus for evaporated fuel purging system |
| 12/12/2000 | US6158420 Diagnostic apparatus and method for supplying assist air in an internal combustion engine |
| 12/12/2000 | US6158273 Method and device for detecting misfiring of internal combustion engines |
| 12/12/2000 | US6158212 Failure diagnosing device for exhaust gas purifying apparatus |
| 12/06/2000 | EP1058108A2 Method and apparatus for diagnosing and controlling an internal combustion engine |
| 12/06/2000 | EP1058107A1 Procedure for detecting vibrational torque at an output member of an internal combustion engine of an automobile |
| 12/06/2000 | EP1056999A1 Process for detecting a misfire in an internal combustion engine and system for carrying out said process |
| 12/05/2000 | US6155241 Method for identifying knocking combustion in an internal combustion engine with an alternating current ignition system |
| 12/05/2000 | US6155110 Method for predicting tire performance on rain groove roadways |
| 12/05/2000 | US6155105 Method for detecting RPM especially for detecting combustion misfires |
| 11/29/2000 | CN1275199A Method and apparatus for automotive and other testing |
| 11/23/2000 | WO2000034755A3 Exhaust opacity measuring device |
| 11/23/2000 | DE19921846A1 Diagnosetestvorrichtung mit portablem Prüfgerät für Kraftfahrzeuge Diagnostic test device with portable testing device for motor vehicles |
| 11/21/2000 | US6151547 Air/fuel ratio manipulation code for optimizing dynamic emissions |
| 11/21/2000 | US6148656 Real-time on-road vehicle exhaust gas modular flowmeter and emissions reporting system |
| 11/16/2000 | WO2000068660A1 Diagnostic test device for motor vehicles which comprises a portable testing apparatus |
| 11/15/2000 | EP1052495A2 Internal combustion engine diagnostic apparatus |
| 11/15/2000 | EP1052488A1 Procedure and device for measuring the torque of an internal combustion engine |
| 11/15/2000 | EP1052392A2 Fuel injection timing measuring system for a diesel engine |
| 11/09/2000 | WO2000066991A1 Charging machine for heat engine test stand |
| 11/09/2000 | DE19947098A1 Engine crankshaft position estimation method |
| 11/09/2000 | DE10006004C1 Misfire detection in multicylinder engines involves comparing rough running values for simultaneously ignited cylinders with value lower than for individually ignited cylinders |
| 11/09/2000 | CA2370488A1 Charging machine for heat engine test stand |
| 11/08/2000 | EP1050863A2 Analytical tachometers |
| 11/07/2000 | US6142011 Method for adapting mechanical tolerances when performing time measurements on rotating shafts |
| 11/02/2000 | WO2000065311A1 Device for automatic identification for a sensor for test stands |
| 11/02/2000 | EP1048944A2 Engine testing apparatus |
| 11/02/2000 | EP1048943A2 Map preparing method used for engine testing apparatus or vehicle testing apparatus, and engine testing apparatus |
| 11/02/2000 | EP1048941A1 Load machine for a test bench for a combustion engine |
| 11/02/2000 | EP1048933A1 Identification device for sensor for use in a test bed |
| 11/02/2000 | EP1048830A2 Method and system for estimating a midbed temperature of a catalytic converter |
| 11/02/2000 | EP1047927A1 Lubrication system monitor |
| 11/02/2000 | DE19914533A1 Vibrationsakustisches Diagnosesystem Acoustic vibration diagnostic system |
| 11/01/2000 | CN2404113Y Motorcycle engine performance detection microcomputer apparatus |
| 10/31/2000 | US6138638 System for diagnosing and controlling high-pressure fuel system for in-cylinder fuel injection engine |
| 10/26/2000 | WO2000063545A1 Identification of diesel engine injector characteristics |
| 10/25/2000 | EP1046026A1 Method and arrangement for evaluating combustion processes in an internal combustion engine |
| 10/25/2000 | EP1046025A1 Real-time on-road vehicle exhaust gas modular flowmeter and emissions reporting system |
| 10/24/2000 | US6138081 Data acquisition system and method for monitoring gas turbine engine testing |
| 10/24/2000 | US6136169 Abnormality diagnosis for air-fuel ratio sensor system |
| 10/19/2000 | DE19962797A1 Engine test unit measures shaft rotation to detect ignition timing errors |
| 10/17/2000 | US6131538 Apparatus for controlling internal combustion engine in hybrid vehicle and method of the same |
| 10/17/2000 | US6131465 Fiber optic combustion pressure sensors for engine knock and misfire detection |
| 10/17/2000 | US6131449 Velocity adaptive control test system |
| 10/17/2000 | US6131448 Diagnostic apparatus and method for fuel vapor treating apparatus |
| 10/17/2000 | US6131444 Misfire detection using a dynamic neural network with output feedback |
| 10/12/2000 | WO2000060329A1 Modular engine delivery apparatus |
| 10/12/2000 | WO2000060327A1 Method and device for evaluating ionic current signals for assessing combustion processes |
| 10/10/2000 | US6128948 Methodology for diagnosing engine cooling system warm-up behavior |
| 10/10/2000 | US6128898 Exhaust gas purifying apparatus for internal combustion engine |
| 10/05/2000 | WO2000017496A8 System and method for providing engine diagnostic and prognostic information |
| 10/05/2000 | DE19915088A1 Evaluation of ion current signals for assessing combustion processes involves subjecting measured ion current to smoothing short-duration integration, forming integrator maximum value |
| 10/04/2000 | EP1041376A2 Vibration acoustical diagnosis system for determining damages by vehicle parts |
| 10/04/2000 | EP1041270A2 Failure diagnosis system for evaporation control system |
| 09/28/2000 | DE19913746A1 Verfahren zur Erkennung von abgasverschlechternden und katalysatorschädigenden Aussetzern bei Verbrennungsmotoren Method for detecting misfires abgasverschlechternden and damage the catalytic converter in internal combustion engines |
| 09/28/2000 | DE19912376A1 Device to measure ion current between spark plug electrodes of internal combustion engine; has capacitor charged by sparking voltage in cross-branch of bridge circuit |
| 09/27/2000 | EP1039287A1 Method for detecting of exhaust gas degrading and catalysator destroying misfiring of a combustion engine |
| 09/27/2000 | CN2398625Y Fault diagnosis instrument for diesel engine fuel system |
| 09/27/2000 | CN1268224A Fuel injection diagnostic control device |
| 09/27/2000 | CN1267823A Abnormal combustion detecting method and warning device for air cylinder of gas engine |
| 09/14/2000 | WO2000053911A1 Method for automatically generating smoothed characteristic diagrams for an electronic engine control of an internal combustion piston engine |
| 09/14/2000 | DE19910035A1 Verfahren zur automatischen Erstellung von geglätteten Kennfeldern für eine elektronische Motorsteuerung einer Kolbenbrennkraftmaschine Method to automatically generate smoothed maps for an electronic engine control a reciprocating internal combustion engine |
| 09/13/2000 | EP1034416A2 Method for evaluating the march of pressure in a combustion chamber |
| 09/12/2000 | US6118276 Ion current detection device |
| 09/06/2000 | EP1032811A1 Velocity adaptive control test system |