| Patents for G01M 15 - Testing of engines (13,067) |
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| 08/18/1994 | DE4402850A1 System for monitoring and controlling internal combustion engines and their exhaust gas emissions, using gas sensors |
| 08/17/1994 | EP0610508A1 Method of detecting misfire by utilizing variation of rotation of crankshaft |
| 08/16/1994 | US5339245 System for detecting combustion state in internal combustion engine |
| 08/11/1994 | DE4401789A1 Gas analysis device for detecting and indicating deviation of the air/fuel ratio of a gas mixture from a predetermined value |
| 08/10/1994 | EP0609527A1 Method for examining the performance of exhaust gas catalyzer |
| 08/10/1994 | EP0609451A1 Method of detecting misfire by utilizing variation of rotation of crankshaft |
| 08/10/1994 | EP0506831B1 Basic calcium aluminium hydroxyphosphites, method of production thereof and their use |
| 08/09/1994 | US5337240 Misfiring sensing apparatus |
| 08/04/1994 | WO1994017297A1 Arrangement for determining the parameters of an internal combustion engine |
| 08/03/1994 | EP0608676A1 Method and measuring arrangement for determining operating data of a combustion engine |
| 08/03/1994 | EP0608314A1 Method and device for detecting misfires of the air/fuel mixture feeding an internal combustion engine propelling a motor vehicle and their applications. |
| 08/03/1994 | EP0474652B1 Process for measuring erratic running in an internal combustion engine and application of said process |
| 08/02/1994 | US5335061 Endoscope holding apparatus for inspecting the interiors of a reciprocating engine and rotary engine having ignition plug holes, endoscope apparatus including the endoscope holding apparatus and inspecting method |
| 08/02/1994 | US5333589 Apparatus for detecting malfunction in evaporated fuel purge system |
| 08/02/1994 | US5333585 Control device for idle rotation of engine |
| 07/28/1994 | DE4301968A1 Error diagnosis for stereo lambda controller |
| 07/26/1994 | US5331848 Misfiring detecting method and apparatus |
| 07/21/1994 | WO1994016209A1 Process and apparatus for the detection of misfiring in a spark-ignition internal combustion engine |
| 07/19/1994 | US5331560 Apparatus and method for self diagnosing engine component controlling systems according to predetermined levels of priority |
| 07/13/1994 | EP0605604A1 Automatic motor testing method and apparatus |
| 07/13/1994 | EP0457873B1 Robot driver |
| 07/13/1994 | CN2171854Y Intelligence engine detecting instrument |
| 07/09/1994 | CA2111908A1 Adaptor for testing fuel pressure in a pressurized line |
| 07/05/1994 | US5327090 Misfire-detecting system for an internal combustion engine which detects a misfire due to the fuel supply system |
| 06/29/1994 | EP0603543A1 Method and apparatus to monitor a control apparatus in a combustion engine |
| 06/22/1994 | EP0602260A1 Process for testing misfiring reports in an internal combustion engine, through partial testing processes |
| 06/21/1994 | US5322045 Misfire-detecting system for internal combustion engines |
| 06/21/1994 | US5321978 Method and apparatus for detecting cylinder misfire in an internal combustion engine |
| 06/21/1994 | US5321973 Knocking detecting system and method for an internal combustion engine |
| 06/14/1994 | US5320761 Lubricant fluid composition and methods for reducing frictional losses therewith in internal combustion engines |
| 05/25/1994 | EP0598683A1 A method for the adjustment of an electronic control system for the fuel supply to a diesel-cycle engine installed on a motorvehicle |
| 05/24/1994 | US5313826 For detecting variation in torque in a rotating power transmission member |
| 05/24/1994 | CA1329847C Turbine blade fatigue monitor |
| 05/19/1994 | DE4238539A1 Programming vehicle model-specific controller without diagnostic interface - programming non-volatile EEPROM memory with controller-specific data, directly by manufacturing computer using communications interface |
| 05/18/1994 | CN2165439Y Air intake vacuum intelligence measurer for engine |
| 05/17/1994 | US5311774 Method and installation for generating a high mass flow of unpolluted high enthalpy air |
| 05/17/1994 | US5311773 Method of and an apparatus for misfire and rough road detection |
| 05/11/1994 | EP0596297A2 Method and apparatus for checking the monitoring unit of a control system for an engine |
| 05/11/1994 | EP0596201A2 Method and device for gas quantity adjustment during exhaust emission measurements |
| 05/10/1994 | US5309884 Internal combustion engine control apparatus with ignition coil diagnosis function |
| 05/10/1994 | US5309756 Device for determining malfunction of an engine cylinder |
| 05/03/1994 | US5307671 Method for detecting misfires in gasoline internal combustion engine |
| 05/03/1994 | US5307670 Misfire discriminating method for an engine |
| 05/03/1994 | US5307625 Method and arrangement for monitoring a lambda probe in an internal combustion engine |
| 05/03/1994 | CA1329016C Luminosity detector for internal combustion engine, method of operating engine and method of sensing temperature |
| 04/27/1994 | EP0594330A2 Method of and apparatus for discriminating misfire |
| 04/26/1994 | US5305727 Oxygen sensor monitoring |
| 04/26/1994 | US5305635 System and method for filtering a misfire detecting data stream to yield optimum measurement of misfire rate |
| 04/21/1994 | DE4300237C1 Cylinder head seal for water-cooled IC engine - incorporates pressure sensor coupled to external evaluation device detecting irregular engine running |
| 04/20/1994 | EP0593413A1 Optoelectronic measuring arrangement |
| 04/20/1994 | EP0592628A1 Method and device for monitoring an engine. |
| 04/19/1994 | US5303580 Method and arrangement for determining the state of deterioration of a catalyzer |
| 04/13/1994 | EP0592134A2 Complementary method for detecting misfires in internal combustion engines |
| 04/12/1994 | US5303158 Misfire-detecting system for an internal combustion engine |
| 04/12/1994 | US5301546 Misfire detecting device for internal combustion engine |
| 04/07/1994 | DE4239055C1 Detecting and quantifying misfire's in I.C. engine - employing crankshaft speed sensor and paired counters for discriminating between genuine and apparent combustion irregularities. |
| 04/06/1994 | EP0590893A2 Knocking detection method for internal combustion engines and ignition timing control method therefor |
| 04/06/1994 | CN2160898Y Gas-turbine type pressurizer run-in stand |
| 03/30/1994 | WO1995008760A1 Device for fault recognition in a knock-detecting device |
| 03/30/1994 | EP0489059B1 Process and apparatus for monitoring the power output of the individual cylinders of a multicylinder internal combustion engine |
| 03/29/1994 | US5298545 Basic calcium aluminum hydroxy phosphites, a process for their production and their use |
| 03/23/1994 | EP0588324A1 Catalyst deterioration-detecting device for internal combustion engines |
| 03/22/1994 | US5297048 Angular position extrapolation of a rotating crankshaft corrected for crankshaft acceleration and deceleration |
| 03/22/1994 | US5297047 Diagnostic arrangement for use with automotive engine systems |
| 03/22/1994 | CA1327894C Method for testing internal combustion engine |
| 03/17/1994 | WO1993024751A3 Misfire detection in an internal combustion engine using exhaust pressure |
| 03/16/1994 | EP0587455A2 Misfire detector using different methods for high and low engine speeds |
| 03/16/1994 | EP0587146A2 Method and device for determination of the loading state of particle filters |
| 03/15/1994 | US5294888 Device for detecting misfire of an internal combustion engine by comparing voltage waveforms associated with ignition system |
| 03/15/1994 | US5293776 For indicating the phase of an internal combustion engine |
| 03/10/1994 | DE4229487A1 Signal evaluation for vehicle pressure sensor - passing fluid-pressure signal from fluid-pressure sensor located in tank ventilation chamber to band=pass filter for acceleration measurement and to low=pass filter for pressure measurement |
| 03/09/1994 | EP0586362A1 Method and device for determination of the operating parameters of internal combustion engines |
| 03/09/1994 | EP0585762A1 Single sensor misfire detection apparatus and method for an internal combustion engine |
| 03/09/1994 | EP0585237A1 Dynamical system analyser |
| 03/09/1994 | CN1083588A Cover-equipped tester for internal combustion engines |
| 03/02/1994 | EP0584750A1 Dual sensor misfire detection apparatus and method for an internal combustion engine |
| 02/24/1994 | DE4324312A1 Determn of lean fuel-air mixture limit for IC engine - measuring stream of ions and characteristic value of flowing ion stream in one cylinder of engine immediately after ignition to give lean mixture limiting value. |
| 02/23/1994 | EP0583496A1 Procedure for detecting misfire |
| 02/23/1994 | EP0583495A1 Method for the detection and correction of errors in time measurements of rotating shafts |
| 02/22/1994 | US5287737 Device for determining misfiring of a cylinder of a multicylinder engine |
| 02/22/1994 | US5287736 Misfire detecting apparatus for multicylinder internal combustion engines |
| 02/22/1994 | US5287735 For detecting abnormal combustion event in an internal combustion engine |
| 02/16/1994 | CN2156501Y Intelligent engine cylinder wearing tester |
| 02/15/1994 | US5287283 Failure diagnosis device for an engine which compares airfuel ratio and exhaust pressure with a predetermined value |
| 02/15/1994 | US5287282 Misfire diagnosis apparatus for an internal combustion engine |
| 02/03/1994 | WO1994002824A1 Gas sampling probe |
| 01/27/1994 | DE4323763A1 Motor vehicle maintenance system - has hollow column contg. maintenance, test and communications devices and fitting around vehicle lift pillar |
| 01/25/1994 | US5280707 Apparatus for detecting deterioration of catalyst |
| 01/20/1994 | WO1994001748A1 Process and device for observing the total state of a first order mechanical system |
| 01/19/1994 | EP0579271A1 Method for detecting misfiring in an internal combustion engine |
| 01/19/1994 | EP0578911A1 Method for fabricating a wear-resistant magnet-containing component and resulting article |
| 01/13/1994 | DE4222339A1 Verfahren zur vollständigen Zustandsbeobachtung an einer Anlage, die als mechanisches System 1. Ordnung beschreibbar ist Procedures for the complete state observer at an installation, which can be described as a mechanical system of 1st order |
| 01/12/1994 | EP0577852A1 Method for optimization of lateral surface profile of piston and of minimal gap between the piston and cylinder at the cold condition of the engine |
| 01/11/1994 | US5278760 Method and system for detecting the misfire of an internal combustion engine utilizing engine torque nonuniformity |
| 01/06/1994 | WO1994000745A1 Adaptive method of cylinder misfire detection in an internal combustion engine |
| 01/05/1994 | EP0577485A1 Probe for controlling an internal combustion engine |
| 01/05/1994 | EP0576705A1 Method for detecting misfire |
| 01/04/1994 | US5276625 System for detecting and adjusting for variation in cylinder pressure in internal combustion engine |
| 01/04/1994 | US5276619 Electronic control system with self-diagnostic function for use in motor vehicle |
| 01/04/1994 | US5275037 Apparatus for detecting misfire in internal combustion engine |