| Patents for G01M 15 - Testing of engines (13,067) |
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| 07/25/1995 | US5435172 Process for testing the operating efficiency of exhaust gas catalysts |
| 07/19/1995 | EP0663588A1 Piston-mounted power generator, especially for telemetry systems |
| 07/19/1995 | EP0663516A2 Malfunction monitoring apparatus and method for secondary air supply system of internal combustion engine |
| 07/18/1995 | US5433107 Method for recognizing erratic combustion |
| 07/13/1995 | WO1995018953A1 Instrument for measuring deflection of crank shaft |
| 07/12/1995 | EP0662608A2 Fault detection system for a vehicle |
| 07/12/1995 | CN2203451Y Combination property debugging table for mechanoelectronic combination adjuster |
| 07/11/1995 | US5432701 Electronic system in a motor vehicle for detecting a rough road condition |
| 07/11/1995 | US5432090 Method for measuring metal ingredients in combustion gas |
| 07/11/1995 | US5431042 Engine emissions analyzer |
| 07/06/1995 | WO1995018364A1 Apparatus and method for determining gas turbine engine life |
| 07/06/1995 | CA2152959A1 Apparatus and method for determining gas turbine engine life |
| 07/05/1995 | EP0661449A2 Device for detecting misfire of internal combustion engine equipped with double-ended coil and distributorless ignition system |
| 07/04/1995 | US5429091 Method and arrangement for controlling an internal combustion engine |
| 07/04/1995 | US5428992 Generating a once-per-cycle signal for a locomotive diesel engine |
| 07/04/1995 | US5428991 Process for adapting mechanical tolerances of a pick-up wheel |
| 06/29/1995 | WO1995017592A1 Combustion state judgement method of internal combustion engine, and method and apparatus for controlling combustion state of internal combustion engine |
| 06/29/1995 | DE4341434C1 Operational monitoring of IC engine with control unit having two storage elements |
| 06/28/1995 | EP0660099A2 Misfire detection in internal combustion engine |
| 06/28/1995 | EP0659996A2 Apparatus to diagnose and control an internal combustion engine or electric motor |
| 06/28/1995 | EP0659986A1 Method to monitor a secondary air system relating to the exhaust gas system of a motor vehicle |
| 06/27/1995 | US5426971 On-board detection of fuel line vapor |
| 06/27/1995 | US5426934 Engine and emission monitoring and control system utilizing gas sensors |
| 06/22/1995 | WO1995016856A1 Misfire detector for internal combustion engines |
| 06/22/1995 | DE4443517A1 Load sensing device for internal combustion engine |
| 06/21/1995 | EP0658692A2 Method and device for detecting misfire of engine ignition system |
| 06/20/1995 | US5426587 Misfire discriminating method for an engine |
| 06/20/1995 | US5425269 Method of and apparatus for discriminating misfire |
| 06/15/1995 | WO1995016196A1 Process for regulating combustion in the combustion chamber of an internal combustion engine |
| 06/14/1995 | EP0657729A2 Self-diagnosing apparatus and method for determining occurrence of failure in inner cylinder pressure responsive sensor appliccable to engine combustion detecting/controlling system |
| 06/14/1995 | EP0657645A2 Overheat detecting apparatus for engine |
| 06/14/1995 | DE4421950A1 Arrangement for diagnosing and controlling a combustion or electric motor |
| 06/13/1995 | CA2023844C Test bench for monitoring fatigue in cylinder heads |
| 06/06/1995 | US5421196 Method for monitoring the reporting of misfirings in an internal combustion engine through various submethods |
| 06/06/1995 | US5421195 Fiber optic microbend sensor for engine knock and misfire detection |
| 06/06/1995 | US5421191 Knock sensor diagnostic system |
| 05/31/1995 | EP0655616A2 Multi-cylinder engine combustion state diagnosis apparatus and method |
| 05/30/1995 | US5419299 Self-diagnosis apparatus and method for fuel evaporative emission |
| 05/30/1995 | US5419186 Method and arrangement for checking the operation of an actuator in a motor vehicle |
| 05/30/1995 | US5419182 Pressure difference detector, a method for judging an abnormality of the detector, and a fuel vapor emission preventing employing the detector |
| 05/30/1995 | US5419178 Exhaust-gas analyzer |
| 05/30/1995 | US5419122 Detection of catalytic converter operability by light-off time determination |
| 05/24/1995 | DE4408826C1 Exhaust gas system with heat exchanger |
| 05/23/1995 | US5417109 Methods and apparatus for testing engines |
| 05/18/1995 | DE4338547A1 Monitoring catalyser in motor vehicle |
| 05/16/1995 | US5415148 Misfire-detecting system for internal combustion engines |
| 05/16/1995 | US5415046 Time gated listening device for machinery analysis |
| 05/16/1995 | US5415036 Automotive misfire cylinder identification system |
| 05/16/1995 | US5415035 Combustion state-detecting system for internal combustion engines |
| 05/16/1995 | US5415028 Misfire detecting device for internal combustion engine |
| 05/11/1995 | DE4337793A1 Method and device for assessing the functional condition of a catalytic converter |
| 05/10/1995 | EP0652426A1 Method of recognising disturbances during the operation of a diesel engine |
| 05/10/1995 | EP0652425A2 Device for evaluating the compression of a multi-cylinder combustion engine |
| 05/10/1995 | EP0652364A2 Load detection method |
| 05/05/1995 | CA2133689A1 Apparatus and method for engine diagnosis using current waveform analysis |
| 05/04/1995 | WO1995012063A1 Electronic counting circuit for the timed measurement of a digital signal |
| 05/04/1995 | DE4337275A1 Device for cylinder-selective detection of undesired combustion processes in multi-cylinder internal combustion engines |
| 05/03/1995 | EP0651148A2 System for monitoring and/or controlling multiple cylinder engine performance |
| 05/03/1995 | EP0650587A1 Process and device for detecting misfiring |
| 05/03/1995 | EP0650586A1 Gas sampling probe. |
| 05/03/1995 | EP0560793B1 Method of detecting irregular combustion in an engine cylinder |
| 04/27/1995 | WO1995011435A1 Measuring bench for automobile diagnosis |
| 04/27/1995 | DE4336091A1 Device for monitoring an electric heating element in a catalytic converter of a motor vehicle |
| 04/26/1995 | EP0649788A1 Device for the reduction of the vortex in a turbo engine air intake |
| 04/25/1995 | US5408871 Idle air control system diagnostic |
| 04/25/1995 | US5408870 Method for detecting the load on an internal combustion engine |
| 04/25/1995 | US5408863 Knock detector for internal combustion engine |
| 04/20/1995 | DE4437286A1 System for detecting the combustion state of an internal combustion engine |
| 04/20/1995 | CA2118339A1 Enhanced method for aircraft engine maintenance |
| 04/18/1995 | US5408412 Engine fault diagnostic system |
| 04/13/1995 | WO1995010032A1 Engine knock detection process |
| 04/13/1995 | CA2117982A1 Instant data collecting and processing system for internal combustion engine |
| 04/12/1995 | EP0647774A1 System for the acquisition and instantaneous processing of data for the control of an internal combustion engine |
| 04/12/1995 | EP0647317A1 Adaptive method of cylinder misfire detection in an internal combustion engine. |
| 04/06/1995 | WO1995007449A3 Method for determining the combustion ratio of a reciprocating-piston internal combustion engine |
| 04/06/1995 | DE4435654A1 Device for detecting the operating state, in particular misfires of a motor vehicle, and detection method for this |
| 04/06/1995 | DE4434875A1 Verfahren zur Beurteilung des Überwachungszustandes bei der Diagnose eines Motors Method for assessing the monitoring state in the diagnosis of an engine |
| 04/06/1995 | DE4434197A1 Diagnosetechnik für den Betrieb eines Abgassauerstoffsensors Diagnostic technique for the operation of an exhaust gas oxygen sensor |
| 04/06/1995 | DE4333698A1 Process for detecting misfires in an internal combustion engine |
| 04/05/1995 | EP0646711A1 System and method to compensate for torsional disturbances in crankshafts |
| 03/31/1995 | CA2132160A1 Methods and apparatus for testing engines |
| 03/28/1995 | US5400760 Misfire detector device for internal combustion engine |
| 03/28/1995 | US5400648 Process and device for measuring the variation in internal pressure in the cylinder of a piston engine |
| 03/21/1995 | US5398662 Evaporative fuel-processing system for internal combustion engines for vehicles |
| 03/21/1995 | US5398540 Knock sensor |
| 03/16/1995 | WO1995007451A1 Detection of faults in the working of electric motor driven equipment |
| 03/16/1995 | WO1995007450A1 System to determine engine misfire |
| 03/16/1995 | WO1995007449A2 Method for determining the combustion ratio of a reciprocating-piston internal combustion engine |
| 03/16/1995 | DE4331929A1 Measuring system for picking up highly time-resolved spectra and images with high dynamics |
| 03/16/1995 | DE4330997A1 Method for monitoring the light-off performance of a catalytic converter system in a motor vehicle |
| 03/15/1995 | EP0643211A1 Air-fuel ratio estimator for internal combustion engine |
| 03/14/1995 | US5396794 Engine catalyst aging system and method for aging catalyst |
| 03/08/1995 | EP0641920A1 Malfunction diagnosis apparatus for internal combustion engine |
| 03/07/1995 | US5396427 Method and apparatus for determining relative contributions of individual cylinders of internal combustion engine |
| 03/07/1995 | US5396422 Method for detecting malfunctions in a motor vehicle |
| 03/07/1995 | US5396176 Combustion condition diagnosis utilizing multiple sampling of ionic current |
| 03/07/1995 | US5394744 Fault detection using averaging filter with variable response time |
| 03/07/1995 | US5394742 Method for recognizing abnormal combustions in the cylinder of an internal-combustion engine |
| 03/02/1995 | WO1995006295A1 State estimator based exhaust gas chemistry measurement system and method |
| 03/02/1995 | DE4430021A1 Device and method for gas analysis |