| Patents for G01M 15 - Testing of engines (13,067) |
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| 05/20/1997 | US5631411 Method and apparatus for engine monitoring |
| 05/13/1997 | US5629476 Modular fluid manifold system |
| 05/13/1997 | US5628291 Method for error correction in measurement of engine speed |
| 05/13/1997 | US5628188 Torque control of hydrostatic machines via the pivot angle or the eccentricity of said machines |
| 05/07/1997 | EP0594796B1 Knock sensor |
| 05/07/1997 | DE19540826A1 Identifying fuel-feed related faulty operating of IC engine individual cylinders |
| 05/07/1997 | DE19540674A1 Correcting tolerances of sensor wheel used in angular velocity measurement of shaft in internal combustion engine |
| 05/02/1997 | EP0770170A1 Process and device for the diagnosis and prognosis of the operating behaviour of a turbine plant |
| 04/30/1997 | DE19540675C1 Torque estimation method using evaluation of internal combustion engine revolution rate for engine control |
| 04/29/1997 | US5625143 Misfire detector for internal combustion engine |
| 04/23/1997 | EP0769692A1 Method and apparatus for determining the propagation velocity of a thermal wave front |
| 04/23/1997 | CN1148168A Method and device for testing original position of electric motor's rotator for ac servo system |
| 04/22/1997 | US5623412 Instantaneous data acquisition and processing system for internal-combustion engine control |
| 04/22/1997 | US5622154 Fuel system |
| 04/16/1997 | EP0611882B1 Misfire detecting method |
| 04/15/1997 | US5621166 Exhaust emissions analysis apparatus and method |
| 04/15/1997 | US5619975 Method for monitoring operations of an internal combustion engine to detect combustion misses |
| 04/10/1997 | WO1997013064A2 Diagnostic system particularly for an engine management system |
| 04/10/1997 | WO1997007386A3 Method adn apparatus for engine testing |
| 04/10/1997 | DE19641610A1 Misfiring detector for multi-cylinder IC engine |
| 04/03/1997 | DE4499853C2 Misfire detector for internal combustion engine |
| 04/02/1997 | EP0448603B1 System for monitoring and controlling engine performance |
| 04/01/1997 | US5617032 Misfire detecting device for internal combustion engine |
| 04/01/1997 | US5616858 Diagnostic method for recognizing combustion misfiring in an internal-combustion engine |
| 04/01/1997 | US5616834 Misfire detection dependent on intake air charge fluctuations |
| 04/01/1997 | US5615552 Secondary air pump control system for internal combustion engines |
| 03/27/1997 | WO1997011345A1 Process for detecting misfiring by assessing rotation speed variations |
| 03/27/1997 | DE19632903A1 Detecting combustion misfiring in motor vehicle four-stroke IC engine |
| 03/27/1997 | DE19535094A1 Misfiring detection of one or more continually misfiring cylinders of IC engine |
| 03/27/1997 | DE19534996A1 Verfahren zur Verbrennungsaussetzererkennung durch Auswertung von Drehzahlschwankungen A method for misfire detection by evaluation of speed variations |
| 03/27/1997 | DE19534994A1 IC engine mis-fires detection method based on separate classification of discrete and long-term misfiring |
| 03/26/1997 | EP0764263A1 Fiberoptic sensor using tapered and bundled fibers |
| 03/25/1997 | US5614664 Self diagnosis method and apparatus for a fuel temperature detection apparatus of an internal combustion engine |
| 03/25/1997 | US5614658 Exhaust sensor |
| 03/25/1997 | US5613473 Method of identifying the stroke positions in an internal combustion engine upon startup |
| 03/19/1997 | EP0763725A2 Procedure for determining the difference between the non-uniform cylinder torques in an internal combustion engine and application of the procedure |
| 03/19/1997 | EP0763194A1 Misfire detection method and apparatus |
| 03/18/1997 | US5611311 Crank angle sensing system |
| 03/13/1997 | WO1997009567A1 Cylinder inner pressure detector for diesel engines and method of using the same |
| 03/13/1997 | DE19544720C1 Internal combustion engine misfiring detection method e.g. for multiple cylinder engines |
| 03/12/1997 | EP0762101A1 Identification of irregular working conditions of a combustion engine by revolution dependent torsional vibrations of the crankshaft |
| 03/12/1997 | EP0762098A1 Knocking intensity signal from height and position of a differentiated light signal from the combustion chamber |
| 03/12/1997 | EP0761953A1 Device for recognizing the operating cycle stroke of a multicylinder combustion engine |
| 03/11/1997 | US5610328 Misfire detector for 50% misfire rate |
| 03/06/1997 | DE19635926A1 Detector of state of combustion throughout range of operation of engine |
| 03/06/1997 | DE19612180C1 Irregular combustion detection method for multicylinder diesel engine |
| 03/05/1997 | EP0760471A2 Engine misfire detector |
| 03/04/1997 | US5608161 Method for determining the combustion ratio of a reciprocating-piston internal combustion engine |
| 02/27/1997 | WO1997007386A2 Method adn apparatus for engine testing |
| 02/27/1997 | DE19622448A1 Detection of misfiring in multicylinder combustion engine |
| 02/26/1997 | CN2248342Y Portable thermal detecting instrument for middle and lower speed diesel engine |
| 02/26/1997 | CN2248341Y Fault detector for cylinder of vehicle |
| 02/25/1997 | US5606120 Misfire-detecting system for internal combustion engines |
| 02/25/1997 | US5606119 Method and apparatus for detecting misfires in a controlled ignition internal combustion engine |
| 02/19/1997 | EP0563347B1 Process for adapting mechanical tolerances of a pick-up wheel |
| 02/18/1997 | US5604303 Combustion condition detecting system of internal combustion engine |
| 02/12/1997 | EP0643802B1 Oxygen sensor monitoring |
| 02/11/1997 | US5602737 Method of and apparatus for monitoring operation of a catalyst |
| 02/11/1997 | US5602337 Abnormal sound detecting apparatus |
| 02/11/1997 | US5602332 Ionization misfire detection apparatus and method for an internal combustion engine |
| 02/11/1997 | US5602331 Engine misfire detection with cascade filter configuration |
| 02/06/1997 | WO1997004296A1 Method and apparatus for individually testing combustion engines from a production line |
| 02/05/1997 | EP0757240A2 Misfire detector for an internal combustion engine |
| 02/05/1997 | EP0757239A2 Misfire detection in an internal combustion engine |
| 02/05/1997 | EP0757236A2 Phase magnitude signal detector |
| 02/04/1997 | US5600070 Fiber optic combustion pressure sensor with improved long-term reliability |
| 02/04/1997 | US5600059 Engine delivery system |
| 02/04/1997 | US5598822 Knocking detection method for internal combustion engines and ignition timing control method therefor |
| 01/29/1997 | EP0755482A1 Method for sensing faulty combustion in an internal combustion engine |
| 01/22/1997 | EP0754940A2 Modular wireless diagnostic, test, and information system |
| 01/22/1997 | EP0754845A1 Method of detection of a failure in the electronic or injection system of a combustion engine |
| 01/22/1997 | EP0754326A1 Adaptive profile correction for rotating position encoders in reciprocating engines |
| 01/22/1997 | CN1140837A Determinating method for pressure leakage |
| 01/21/1997 | US5596155 Gas sampling probe |
| 01/21/1997 | US5596140 Method of monitoring vibrations in vehicles |
| 01/21/1997 | US5595061 Catalyst deterioration-detecting device for internal combustion engine |
| 01/14/1997 | US5592926 Method of detecting misfire of engine ignition system and device for carrying out the same |
| 01/14/1997 | US5592815 Process for monitoring the conversion rate of an exhaust catalyst |
| 01/08/1997 | CN2244722Y Dynamic simulative controller for IC engine |
| 01/07/1997 | US5592388 Method of and apparatus for analyzing internal combustion engine speed data |
| 01/07/1997 | US5592386 Method and apparatus for the detection of reciprocating machine faults and failures |
| 01/07/1997 | US5591904 Apparatus for diminishing intake vortexes in jet engines |
| 01/02/1997 | EP0650586B1 Gas sampling probe |
| 01/02/1997 | DE19533372A1 Computer-aided bench test method for complex propulsion units |
| 01/02/1997 | DE19523599A1 Mass flow rate determination of emitted component in engine exhaust gases |
| 01/02/1997 | DE19522271A1 Verfahren und Vorrichtung zur Diagnose eines Dieselmotors Method and apparatus for diagnosis of a diesel engine |
| 12/31/1996 | US5589632 Method and device for estimating the thrust of a ramjet |
| 12/31/1996 | US5589629 Method and apparatus for testing vehicle exhaust emissions |
| 12/31/1996 | CA2120389C Engine catalyst aging system and method for aging catalyst |
| 12/27/1996 | WO1996042003A1 Revolution speed detection process, especially for detecting misfiring |
| 12/27/1996 | WO1996042002A1 Internal combustion engine torque measurement device and method |
| 12/27/1996 | EP0750184A2 Method and apparatus for diagnosing a multi-cylinder internal combustion engine |
| 12/25/1996 | CN2243652Y Analog loading apparatus for checking diesel engine speed regulator |
| 12/24/1996 | US5587909 Misfire detecting method |
| 12/24/1996 | US5587524 Misfire detection assembly |
| 12/24/1996 | US5586537 Fuel property detecting apparatus for internal combustion engines |
| 12/17/1996 | US5585552 Method and apparatus for diagnosing automotive engine problems using oxygen |
| 12/17/1996 | US5585549 Rapid life test system for engine cylinder block |
| 12/12/1996 | DE19622848A1 System und Verfahren zur Detektion von Fehlzündungen in einem Motor System and method for the detection of misfires in an engine |
| 12/11/1996 | EP0747687A2 Rapid life test system for engine cylinder block |