| Patents for G01M 15 - Testing of engines (13,067) |
|---|
| 11/13/1991 | EP0456244A2 Test procedure for combustion engines during assembly |
| 10/22/1991 | US5058551 System for identifying misfire cylinder in internal combustion engine |
| 10/15/1991 | US5058022 Device for detecting engine brake |
| 10/15/1991 | US5056487 Torque control apparatus and method for internal combustion engines |
| 10/15/1991 | US5056485 Crank angle sensor and ignition timing control system using same |
| 10/15/1991 | US5056360 Selection of velocity interval for power stroke acceleration measurements |
| 10/10/1991 | DE4001333C1 Cylinder-selective energy conversion monitoring of IC engine - k ascertaining instantaneous RPM and forming quadrant during stroke of each cylinder over certain crankshaft angle of rotation |
| 10/08/1991 | US5054314 Mechanical fatigue test bench for engine cylinder heads |
| 10/02/1991 | EP0448603A1 System for monitoring and controlling engine performance. |
| 10/01/1991 | US5052358 Cylinder recognition apparatus for an internal combustion engine |
| 09/26/1991 | DE4006273A1 Verfahren und vorrichtung zur ermittlung des verlaufs des innendrucks eines zylinders einer kolbenmaschine A method and apparatus for determining the course of the internal pressure of a cylinder of a piston engine |
| 09/24/1991 | US5050554 Ignition timing control apparatus for engines |
| 09/24/1991 | US5050427 Method for controlling AMT system including speed sensor signal fault detection and tolerance |
| 09/17/1991 | US5050080 Diagnostic system for a motor vehicle |
| 09/11/1991 | CN2084614U Electronic computor complex detecting controller for ic engine |
| 09/10/1991 | US5046470 Method of and device for monitoring combustion in a spark ignition internal combustion engine |
| 09/05/1991 | WO1991013365A1 Process and device for monitoring the functioning of an electrical consumer |
| 09/05/1991 | WO1991013333A1 Process and device for measuring the variation in internal pressure in the cylinder of a piston engine |
| 09/05/1991 | WO1991013246A1 Diagnostic process for checking regulation elements for the control of internal-combustion engines |
| 09/04/1991 | CN1054290A Turbine-medium flow monitor |
| 09/03/1991 | US5044336 Cylinder recognition apparatus and method for a multi-cylinder internal combustion engine |
| 09/03/1991 | US5044195 Misfire detection in an internal combustion engine |
| 09/03/1991 | US5044194 Misfire detection in an internal combustion engine |
| 08/29/1991 | DE4005609A1 Verfahren und vorrichtung zur funktionsueberwachung eines elektrischen verbrauchers Method and device for an electrical consumer who FUNCTION MONITORING |
| 08/22/1991 | WO1991012422A1 Process for associating combustion defects with a cylinder in an internal combustion engine |
| 08/21/1991 | EP0442687A2 Method of and apparatus for detecting misfire |
| 08/20/1991 | US5041980 Method and apparatus for producing fault signals responsive to malfunctions in individual engine cylinders |
| 08/20/1991 | CA1287899C Crankshaft angle sensing system |
| 08/15/1991 | CA2036244A1 Method of and apparatus for detecting misfire |
| 08/14/1991 | EP0441603A2 Misfire detection |
| 08/14/1991 | DE4003752A1 Verfahren zum zuordnen von verbrennungsfehlern zu einem zylinder einer brennkraftmaschine A method for mapping from combustion errors to a cylinder of an internal combustion engine |
| 08/08/1991 | WO1991011599A1 Process for detecting misfiring in an internal combustion engine |
| 08/06/1991 | US5038289 Diagnosis system for a motor vehicle |
| 08/06/1991 | US5036700 Roller dynamometer |
| 08/01/1991 | DE4002209A1 Aussetzererkennung bei einem verbrennungsmotor Detection of misfires in an internal combustion engine |
| 08/01/1991 | DE4002208A1 Detecting misfiring cylinders in IC engine - using existing lambda probe and evacuation of smoothed, averaged amplitude w.r.t. threshold |
| 07/31/1991 | EP0438429A1 Process and device for recognizing spark failures. |
| 07/31/1991 | EP0207087B1 Re-regulation circuit for automobile tachometer detection circuit |
| 07/30/1991 | US5035220 Fuel controller for an internal combustion engine |
| 07/25/1991 | WO1991010828A1 A means and method for measuring and controlling smoke from an internal combustion engine |
| 07/25/1991 | DE4001970A1 Measurement and recording arrangement for exhaust gas - is permanently installed in motor vehicle or on static engine to measure type and concn. of gas constituents |
| 07/24/1991 | EP0438360A2 Piston ring wear diagnosis device and procedure therefor |
| 07/24/1991 | EP0419553A4 Method of operating an engine and measuring certain engine parameters |
| 07/23/1991 | US5034894 Self-diagnosis system for a motor vehicle |
| 07/23/1991 | US5033305 Digital torsionmeter |
| 07/17/1991 | EP0437212A2 Method and apparatus for detecting misfired cylinder of internal combustion engine |
| 07/17/1991 | EP0437057A1 Method and apparatus for detecting combustion conditions in a multicylinder internal combustion engine |
| 07/16/1991 | CA1286386C Method and apparatus for sensing the condition of lubricating oil in an internal combustion engine |
| 07/09/1991 | US5031177 Method for controlling a computer-final control element and computer coupled with a final control element |
| 07/04/1991 | DE3942016A1 Engine test bed easily adaptable for different engine types - has movable carriage in mounting frame and chuck coupling for rapid connection of engine drive shaft to braking arrangement |
| 07/03/1991 | EP0434971A2 Arrangement for controlling internal combustion engines |
| 07/03/1991 | EP0183771B1 Reference pulse verification circuit adaptable for engine control |
| 07/02/1991 | US5027645 Measuring device for determining distance |
| 06/27/1991 | WO1991009290A1 Robot driver |
| 06/27/1991 | WO1991008984A1 Basic calcium aluminium hydroxyphosphites, method of production thereof and their use |
| 06/26/1991 | EP0434665A1 Method and device for diagnosis of an internal combustion engine |
| 06/26/1991 | EP0433690A2 Apparatus and method for detecting misfire in a cylinder of an internal combustion engine |
| 06/19/1991 | CN2079291U Engine cylinder cover plane measuring device |
| 06/11/1991 | US5023791 Automated test apparatus for aircraft flight controls |
| 06/05/1991 | EP0429819A1 Device for measuring a periodically fluctuating variable in an internal combustion engine |
| 06/05/1991 | CN2078436U Dynamic state testing device for automobile engine |
| 06/04/1991 | US5021960 Combustion fault detection apparatus and control system for internal combustion engine |
| 06/04/1991 | US5020360 Process for determining and evaluating the combustion pressure of an internal combustion engine |
| 05/28/1991 | US5019988 Method for generating trigger pulses |
| 05/02/1991 | EP0424917A2 System for identifying misfire cylinder in internal combustion engine |
| 05/02/1991 | EP0424630A2 Method and apparatus for detecting combustion condition in an internal combustion engine and method and apparatus for controlling an internal combustion engine by using the above method and apparatus |
| 04/30/1991 | US5010762 Measurement and control of exhaust gas recirculation with an oxygen pumping device |
| 04/23/1991 | US5010487 Computer-based engine diagnostic method |
| 04/18/1991 | WO1991005233A1 Process for detecting irregular running in an internal combustion engine |
| 04/18/1991 | DE3932649A1 Verfahren zum ermitteln der laufunruhe einer brennkraftmaschine A method for the continuous unrest determine an internal combustion engine |
| 04/17/1991 | EP0422107A1 Remote mixing control tool with cleaning function |
| 04/17/1991 | CN2075340U Holder type piezoelectric sensor |
| 04/11/1991 | DE4031444A1 Useful power measurer for engine esp. in commercial vehicle - measures torque exerted by electromagnet of eddy current brake |
| 04/11/1991 | DE4030433A1 Cylinder recognition device for multi-cylinder IC engine - uses opto-electronic coupler to detect phase of rotation of disc corresp. to transmission of second pulse |
| 04/11/1991 | DE3933654A1 Automatically detecting number of working cylinders of motor vehicle - repeatedly checking ratio of engine to wheel speed against ignition rate to assumed number of cylinders |
| 04/04/1991 | DE4015818A1 IC engine test bed with full conditioning - uses inlet system controlling air temp. pressure relative humidity and exhaust with fan and regulating valve |
| 04/03/1991 | EP0419553A1 Method of operating an engine and measuring certain engine parameters |
| 04/02/1991 | US5005129 Diagnosis system for a motor vehicle |
| 03/27/1991 | EP0250495B1 Process for automatically monitoring control devices |
| 03/26/1991 | US5003479 Diagnosis system for a motor vehicle |
| 03/26/1991 | US5003478 Diagnosis system for a motor vehicle |
| 03/26/1991 | US5003477 Diagnosis system for a motor vehicle |
| 03/26/1991 | US5003476 Diagnostic system for a motor vehicle |
| 03/07/1991 | WO1991002892A1 Process for monitoring the power output of the individual cylinders of a multicylinder internal combustion engine |
| 03/06/1991 | EP0415857A1 Mechanical fatigue testing bench for cylinder heads of engines |
| 03/06/1991 | CN2072684U Grip piezoelectric sensor for diesel engine unloading power-measured |
| 03/06/1991 | CN1049724A Comprehensive computerized detecting and controlling instrument for internal combustion engine |
| 02/27/1991 | EP0414446A2 Gas analysis |
| 02/26/1991 | US4996643 Diagnosis system for a motor vehicle |
| 02/26/1991 | US4995365 System for detecting engine ignition failures in an internal combustion engine |
| 02/26/1991 | US4995139 Torque control system for engine performance test machine for internal combustion engines |
| 02/20/1991 | CN1011729B Jet pump |
| 02/13/1991 | EP0412578A2 Combustion control method and apparatus for an internal combustion engine |
| 02/12/1991 | US4991431 Method of monitoring a mount system for an aircraft engine |
| 02/06/1991 | EP0411580A1 System for detecting cylinder pressure in internal combustion engine |
| 01/29/1991 | US4987771 Misfire detection device for an internal combustion engine |
| 01/29/1991 | US4987770 Combustioning condition monitoring system for internal combustion engine |
| 01/24/1991 | WO1991000955A1 Combustion control and/or monitoring unit for internal-combustion engines |
| 01/23/1991 | EP0409013A2 Vehicle exhaust gas measuring procedure and device |
| 01/22/1991 | US4986232 Arrangement for recognizing misfirings in internal combustion engines with externally controlled ignition |