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