Patents for G01M 15 - Testing of engines (13,067)
11/2001
11/29/2001US20010045123 Method for testing an internal combustion engine for assembly and/or manufacturing faults
11/29/2001DE10025846A1 Verfahren zur zylinderselektiven Dichtigkeitsprüfung der Brennräume einer Brennkraftmaschine A method for cylinder-selective leakage testing of the combustion chambers of an internal combustion engine
11/29/2001DE10022815A1 Vorrichtung zur Fehlererkennung bei einer digitalen Signalauswerteeinrichtung An apparatus for error detection in a digital signal evaluation
11/28/2001EP1158286A2 Cylinder-selective leak testing procedure for the combustion chambers of a combustion engine
11/28/2001CN2462384Y Electric machine rotor characteristic test-bed
11/22/2001US20010042398 Method of error detection during evaluation of sensor signals
11/22/2001DE10025095A1 Test bed for internal combustion engine of vehicle, has gear for connecting universal shaft of load machine and crank shaft, whose output side is aligned parallel to vehicle front axle
11/21/2001CN1323392A Method for monitoring an optical system with a front lens directly mounted in a combustion chamber and device for implementing said method
11/20/2001US6321151 Automotive diagnostic interface device
11/20/2001US6320184 Optoelectric measuring device for monitoring combustion processes
11/20/2001US6318161 Internal combustion engine diagnostic apparatus
11/20/2001US6318160 Testing a power plant system of a locomotive under a thermally steady state
11/15/2001WO2001086231A1 Device for error recognition in a digital signal evaluation unit
11/15/2001US20010039832 Modular engine delivery apparatus
11/15/2001DE10120032A1 Procedure for detection of misfires with IC engine of car has determination of engine torque including determination of torque desired by driver of car and determination of maximum mean effective pressure
11/15/2001DE10021644A1 Sampling mode switching method for pressure sensor for IC engine air intake responsive to engine rev range
11/14/2001EP1153275A1 System and method for detecting engine malfunction based on crankcase pressure
11/14/2001EP0904489B1 A method for detecting an ion current
11/13/2001US6317205 Method for monitoring an optical system having a front lens disposed immediately at a combustion chamber, and a device for carrying out the method
11/13/2001US6315624 Exhaust probe
11/13/2001US6314802 Optimal engine speed compensation method used in misfire detection
11/08/2001US20010037792 Internal combustion engine misfire detection method
11/08/2001US20010037676 Ultrasonic flow velocity measuring method
11/08/2001DE10021913A1 Error detection during evaluation of knock sensor signals in internal combustion engine involves forming at least one of the upper and lower thresholds based on preceding reference evaluation
11/08/2001DE10018265A1 Measurement arrangement for internal combustion engine has gauges that convert cylinder pressure limited deformations of motor components to cylinder pressure proportional signals available for motor control
11/07/2001EP1151276A2 Exhaust opacity measuring device
11/07/2001EP0906501B1 Method and device for detecting misfiring of internal combustion engines
11/06/2001US6314375 Method and device for diagnosis for vehicle
11/01/2001WO2001082039A1 Single-hand held diagnostic display unit
11/01/2001US20010037180 Fault diagnosis method and apparatus
11/01/2001US20010035952 Method for monitoring an optical system having a front lens disposed immediately at a combustion chamber, and a device for carrying out the method
11/01/2001CA2407080A1 Single-hand held diagnostic display unit
10/2001
10/31/2001DE10020448A1 Operation optimization method for internal combustion engine, involves adjusting regulating variables based on dependency of target values on them and setting characteristic diagrams of controller accordingly
10/31/2001CN2457708Y Dry resistant power consumption resistor box
10/25/2001WO2001079804A1 Portable on-board system for measuring vehicle exhaust particulate emissions
10/25/2001WO2001079803A1 A method for measuring cylinder specific parameters in a combustion engine
10/25/2001US20010034576 Portable on-board mass emissions measuring system
10/25/2001US20010032498 Diagnostic system for engine
10/23/2001US6308130 Portable on-board mass emissions measuring system
10/23/2001US6305352 Method for detecting an abnormal disturbance of an internal combustion engine torque
10/18/2001US20010030520 "Express up" vehicle window system and method
10/16/2001US6304829 Method and system for dynamic testing of a vehicle exhaust system in a rigid frame test fixture
10/16/2001US6301957 Fiber-optic cylinder pressure sensor
10/11/2001WO2001075272A2 Turbine engine foreign object damage detection system
10/11/2001US20010029413 Method of calibrating of a system which operates depending on a sensor in a motor vehicle
10/11/2001DE19954066C1 Harmonics analysis method for rotary vibration of machine component, has sampled values obtained over full period fed to digital low-pass filter with cascaded filter stages
10/11/2001DE10017278A1 Verfahren zum Kalibrieren eines abhängig von einem Sensor arbeitenden Systems in einem Kraftfahrzeug A method for calibrating a function of a sensor system working in a motor vehicle
10/09/2001US6298717 Device for detecting the misfire in an internal combustion engine
10/09/2001US6298716 Open engine cylinder compression testing device
10/04/2001EP1139086A2 Procedure for detecting misfire using crankshaft speed
10/04/2001DE10015573A1 Electronic control system, for individual cylinders of internal combustion engine, times ignition sparks according to rotation angle of crankshaft and includes measured data classification unit
10/04/2001DE10015162A1 Calibration and monitoring device for internal combustion engine, uses acoustic sensors and crankshaft position sensors to regulate fuel injection and crankshaft position
09/2001
09/27/2001WO2001071362A1 Methof of determining speed of rotation of a motor and a computer software product to carry out the method
09/27/2001CA2402441A1 Method of determining speed of rotation of a motor and a computer software product to carry out the method
09/25/2001US6294389 Furnace for an engine exhaust measurement system
09/20/2001DE10008552A1 Verfahren und Vorrichtung zur Auswertung eines Signals eines Ionenstrom-Sensor einer Brennkraftmaschine Method and apparatus for evaluating a signal of an ion current sensor of an internal combustion engine
09/19/2001EP1134386A2 Onboard misfire, partial-burn detection and spark-retard control using cylinder pressure sensing
09/19/2001EP1134385A2 Installation structure of engine component with combustion pressure sensor in engine
09/18/2001US6292757 Method and apparatus for continuously monitoring parameters of reciprocating compressor cylinders
09/18/2001US6292738 Method for adaptive detection of engine misfire
09/18/2001US6292723 Embedded engine diagnostic system
09/13/2001DE10011283A1 Rotational speed measurement meter for motor, has analyzer to determine rotational speed based on periodicity of specific characteristic signal related to sound wave, output by sound transducer
09/07/2001WO2001065225A2 Engine torque sensor
09/06/2001US20010019267 Cylinder discrimination device and cylinder discrimination method of engine
09/06/2001US20010018906 Method for detecting combustion misfires in an internal combustion engine
09/06/2001US20010018846 Method and system for measuring interference between valve and piston of an internal combustion engine
09/04/2001US6283381 Diagnostic apparatus of coolant temperature sensor, diagnostic apparatus of cooling apparatus and method
08/2001
08/30/2001WO2001063436A1 Method for service and maintenance of a machine element
08/30/2001US20010017055 Method and device for analyzing a signal from an ion current sensor in an internal combustion engine
08/30/2001DE10008560A1 Vibration sensor for internal combustion engine, has temperature measurement element that is provided on the transducer electronic data sheet
08/30/2001DE10008553A1 Verfahren und Vorrichtung zur Auswertung eines Ionenstrom-Sensor-Signals einer Brennkraftmaschine Method and apparatus for evaluating an ion flow signal sensor of an internal combustion engine
08/29/2001EP1128047A2 Cylinder discrimination device and cylinder discrimination method of engine
08/28/2001US6282485 Air estimation system and method
08/23/2001WO2001061304A1 System and process for detection of weak cylinders in a diesel engine
08/23/2001WO2001023728A3 Detection of combustion misfiring
08/23/2001US20010016044 Acoustic wave sensor for detecting contact state between a valve and a valve seat for a vehicle
08/23/2001US20010015402 Installation structure of engine component with combustion pressure sensor in engine
08/23/2001US20010015198 Knock control apparatus and method for engines
08/23/2001DE10007236A1 Verfahren zum Überwachen und Auswerten von Zustandsparametern A method for monitoring and evaluation of state parameters
08/22/2001EP1126261A2 Knock control apparatus and method for engines
08/22/2001EP1125103A1 Vehicle diagnostics interface apparatus
08/21/2001US6278934 System and method for detecting engine misfires using optimal phase delay angle
08/21/2001US6276319 Method for evaluating the march of pressure in a combustion chamber
08/16/2001WO2001059422A1 Method for engine misfire detection in multi-cylinder internal combustion engines with multi-cylinder spark ignition
08/16/2001DE10024759A1 Montageanordnung für einen Sensor zur Untersuchung des Verhaltens eines Kolbens und Verfahren zur Untersuchung des Verhaltens eines Kolbens Mounting arrangement for a sensor to study the behavior of a piston and procedures for investigating the behavior of a piston
08/14/2001US6275765 System for providing a prognosis of future engine faults
08/14/2001US6273064 Controller and control method for an internal combustion engine using an engine-mounted accelerometer
08/14/2001US6272910 Camshaft degreeing platform
08/09/2001WO2001057381A2 Method for detecting faults in a multicylinder internal combustion engine
08/09/2001DE10001487A1 Verfahren und Vorrichtung zur Überwachung und/oder Steuerung und/oder Regelung von Brennkraftmaschinen Method and apparatus for monitoring and / or control and / or regulation of internal combustion engines
08/08/2001EP1121579A1 Method for monitoring an optical system with a front lens directly mounted in a combustion chamber and device for implementing said method
08/02/2001US20010011203 Engine control unit having cylinder determination function
08/02/2001DE10103561A1 Kraftmaschinen-Steuereinheit mit Zylinderbestimmungsfunktion An engine control unit with cylinder determination function
08/02/2001DE10001284A1 Method for interruption recognition in multi-cylinder internal combustion engine involves formation and evaluation of crankshaft segment times in which crankshaft covers circular segment angle area
08/01/2001EP1119696A1 Device for monitoring the combustion process in internal combustion engines
07/2001
07/26/2001DE10001283A1 Combustion misfire detection method for an internal combustion engine that compares data from rough running cylinders with stored threshold values
07/25/2001CN2440208Y Multi-lidle-speed motor-vehicle tail-gas checkout device
07/19/2001US20010008082 Method for detecting combustion misfires in a multi-cylinder internal combustion engine
07/18/2001EP1116946A2 Controlling an internal combustion engine using an engine-mounted acceleratometer
07/18/2001EP1116945A2 Method for detecting engine misfire