| Patents for G01M 15 - Testing of engines (13,067) |
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| 09/13/1989 | EP0331799A2 Process and device for determining motor vehicle engine power |
| 09/13/1989 | EP0331674A1 Process for driving computer-controlled final control elements and computer coupled to a final control element. |
| 09/05/1989 | CA1259118A1 Abnormality determination device for a vehicle speed sensor |
| 08/30/1989 | CN1035156A High pressure rotor stress damage accumulating method |
| 08/17/1989 | DE3903687A1 Device for the combustion in stages of a fuel/air mixture |
| 08/16/1989 | EP0327865A2 Turbine blade fatigue monitor |
| 07/25/1989 | US4850323 System for measuring the angular position of an internal combustion engine crankshaft |
| 07/18/1989 | US4848717 Stand for supporting and method of testing an engine |
| 07/04/1989 | US4844038 Abnormality detecting method for exhaust gas concentration sensor for internal combustion engines |
| 07/04/1989 | US4843870 Cylinder-by-cylinder engine pressure and pressure torque waveform determination utilizing crankshaft speed fluctuations |
| 06/27/1989 | US4843557 Overall diagnosis apparatus for vehicle-mounted control devices |
| 06/27/1989 | US4841765 Method of locating a partially plugged port fuel injector using misfire monitor |
| 06/15/1989 | WO1989005447A1 Distance-measuring device |
| 06/13/1989 | US4839811 Automotive vehicle trouble checking apparatus |
| 06/06/1989 | US4836015 Method and apparatus for determining the compression ratio of an engine cylinder |
| 05/30/1989 | US4834550 Apparatus for testing heat-insulating tubular member |
| 05/18/1989 | WO1989004426A1 Crankshaft angle sensing system |
| 05/18/1989 | WO1989004423A1 Method for delivering an engine shutdown signal |
| 05/16/1989 | US4829956 Method and apparatus for detecting discrete levels of detonation in an internal combustion engine |
| 05/10/1989 | EP0315307A2 Performance data processing system |
| 05/05/1989 | WO1989003983A1 Process for determining and evaluating the combustion pressure of an internal combustion engine |
| 05/02/1989 | US4825689 Sensing device |
| 04/18/1989 | US4821562 Signal monitoring apparatus |
| 04/11/1989 | US4821217 Programmable jet engine test station |
| 04/11/1989 | US4821194 Cylinder combustion monitoring apparatus |
| 04/11/1989 | US4819600 Knock detection system for an internal combustion engine |
| 04/11/1989 | CA1252540A1 Engine top dead center locating method |
| 03/29/1989 | EP0309346A1 Motorized vehicle parameters monotoring system, especially for the engine of this vehicle |
| 03/21/1989 | US4814143 Low pressure |
| 03/15/1989 | EP0306905A2 Misfire detecting device |
| 03/14/1989 | US4812979 Method and apparatus for analyzing the performance of the electronic ignition of an internal combustion engine |
| 03/07/1989 | US4809540 Method and apparatus for testing internal combustion engines |
| 03/07/1989 | US4809539 For testing and adjusting internal combustion engine |
| 02/28/1989 | US4807467 Flywheel load mass simulating test system for examination |
| 02/21/1989 | US4805442 Knocking sensor for internal combustion engine |
| 02/07/1989 | US4802455 Knocking control system and method for an internal combustion engine |
| 02/02/1989 | DE3724420A1 Method for the protection of an exhaust catalytic converter of a multi-cylinder internal combustion engine with applied ignition |
| 01/24/1989 | US4800500 Method of detecting cylinder pressure in internal combustion engine |
| 01/12/1989 | DE3722203A1 Device for detecting spark failures |
| 01/10/1989 | US4797827 Angular position detector |
| 01/10/1989 | CA1248358A1 Optical pyrometer sight tube assembly for controlling a gas turbine |
| 01/03/1989 | US4796208 Method of detecting reference crank angle position in an internal combustion engine at the time of starting same |
| 01/03/1989 | US4796206 Computer assisted vehicle service featuring signature analysis and artificial intelligence |
| 01/03/1989 | US4794790 Diagnostic method and arrangement for quantitatively checking actuators in internal combustion engines |
| 12/20/1988 | US4791808 Method of diagnosis of multi-cylinder internal combustion engines and means for carrying out the method |
| 12/15/1988 | DE3718423A1 Device for analysing gas in an internal-combustion engine |
| 12/13/1988 | US4790177 Shifting control for automated manual transmission shifter |
| 12/06/1988 | US4788956 Method of detecting abnormality in crank angle signal of internal combustion engines |
| 12/06/1988 | US4788854 Method of estimating the fuel/air ratio of an internal combustion engine |
| 11/22/1988 | CA1245076A1 Method and a device for testing the tightness of an engine |
| 11/09/1988 | EP0289747A1 Method for measuring the efficiency of a motor vehicle drive assembly |
| 11/08/1988 | US4782692 Engine crankshaft position sensor |
| 10/26/1988 | EP0288056A2 Control apparatus for internal combustion engines |
| 10/25/1988 | US4779455 Air-fuel ratio detecting sensor |
| 10/25/1988 | US4779454 Crankshaft angle sensing system |
| 10/05/1988 | EP0285556A1 Method for controlling the dynamic behaviour of a Diesel engine with an electronic speed regulator, and device for carrying out this method |
| 09/29/1988 | DE3709049A1 Multimeter for adjusting the ignition with the engine completely at rest |
| 09/21/1988 | EP0283015A2 Method for establishing link between vehicle-mounted electronic control unit and testing device |
| 09/20/1988 | CA1242278A1 Instantaneous friction indicator for reciprocating internal combustion engines and method for calculating instantaneous friction |
| 09/14/1988 | EP0282295A2 Internal Combustion engine control |
| 09/07/1988 | EP0280948A1 Electronic monitoring device for a torque generator coupled to a load-constituting machine, and process for determining the torque and for testing the torque generator |
| 08/30/1988 | US4766865 Device for determining the position of a crankshaft in relation to the cylinder |
| 08/25/1988 | DE3704290A1 Adaptor between a microwave sensor and a commercially available spark plug |
| 08/09/1988 | US4761993 Method for monitoring the operation of an internal combustion engine |
| 07/28/1988 | WO1988005496A1 Process for driving computer-controlled final control elements and computer coupled to a final control element |
| 07/26/1988 | US4759212 Abnormality determination device for a vehicle speed sensor |
| 07/19/1988 | US4758967 Computer simulated inertia for motor vehicle powertrain testing |
| 07/12/1988 | US4757463 Fault isolation for vehicle using a multifunction test probe |
| 07/06/1988 | EP0273157A1 System for measuring the angular position of an internal combustion engine crankshaft |
| 06/15/1988 | EP0271294A1 Knock detection circuit |
| 06/14/1988 | US4750460 Method for detecting fluctuations in the rotational speed of an internal combustion engine |
| 06/01/1988 | EP0269607A2 Diagnosis method and apparatus for multi-cylinder combustion engines |
| 06/01/1988 | EP0269606A2 Method of and device for testing an internal-combustion engine |
| 06/01/1988 | EP0269426A1 Knock detection system |
| 05/24/1988 | US4746795 Method of and apparatus for analyzing fluid flows within hollow bodies |
| 05/24/1988 | CA1236994A1 Proportional exhaust sampler system and control means |
| 05/17/1988 | US4744244 Cylinder pressure sensor output compensation method for internal combustion engine |
| 04/26/1988 | US4739649 Method of and apparatus for detecting maximum cylinder pressure angle in internal combustion engine |
| 04/12/1988 | US4737709 Apparatus for measuring axial movement of a rotating member |
| 03/30/1988 | CN87205157U Physical parameter measuring device for motor-rotor |
| 03/29/1988 | US4733556 Method and apparatus for sensing the condition of lubricating oil in an internal combustion engine |
| 03/16/1988 | EP0259343A1 Engine inspection system |
| 03/08/1988 | US4730264 Arrangement for detecting measuring data in motor vehicles |
| 03/02/1988 | EP0257834A1 Jet pump |
| 03/02/1988 | EP0257392A1 Exhaust-gas analyzing device |
| 03/01/1988 | US4727746 Method of modal mass analysis of exhaust gas from a motor vehicle |
| 02/17/1988 | CN87105403A 射流泵 Jet Pump |
| 02/16/1988 | US4724702 LPP sensor interface circuit |
| 02/11/1988 | DE3627074A1 Device for observing and evaluating combustion processes in internal combustion engines |
| 01/28/1988 | DE3624441A1 Diagnostic method for quantitative testing of actuators in internal-combustion engines |
| 01/27/1988 | EP0254102A2 Testing device for testing motors |
| 01/19/1988 | US4719792 Method and a device for testing the tightness of an engine |
| 01/13/1988 | EP0252246A2 Device for testing driving units |
| 01/12/1988 | CA1231446A1 Diagnostic data recorder |
| 01/07/1988 | EP0250495A1 Process for automatically monitoring control devices. |
| 01/05/1988 | US4716759 Method of detecting cylinder pressure and cylinder pressure detection device in internal combustion engine |
| 12/15/1987 | US4712419 Air/fuel ratio detector |
| 12/08/1987 | US4711119 Peak combustion pressure signal processing circuit with diagnostic capability |
| 11/24/1987 | US4709155 Flame detector for use with a burner |
| 11/19/1987 | EP0130982B1 Diagnostic display apparatus |