| Patents for G01L 23 - Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid (3,845) |
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| 05/20/2003 | US6564623 Method for determining the top dead center of an internal combustion engine |
| 05/15/2003 | WO2003040677A1 Method and device for blanking out interference noise during knock recording in an internal combustion engine |
| 05/15/2003 | US20030090161 Light communication channel-based electronics power distribution system |
| 05/15/2003 | US20030089335 Optically controlled IPCS circuitry |
| 05/14/2003 | EP1309841A1 Knock recognition in internal combustion engines with modifications by changing filter characteristics or cylinder specific changes |
| 05/13/2003 | US6561036 Pressure sensor for measurement of gas pressure in a cylinder of a combustion engine |
| 05/07/2003 | CN2549451Y Saturated vapour measuring instrument |
| 05/06/2003 | US6559577 Pressure sensor-incorporating spark plug |
| 05/06/2003 | US6557527 Knock control apparatus for internal combustion engine |
| 05/02/2003 | EP1305587A1 Spark plug for receiving a pressure sensor and corresponding spark plug connector |
| 05/02/2003 | EP1017979B1 Process for determining relevant variables which represent the cylinder pressure in the cylinders of an internal combustion engine |
| 05/01/2003 | WO2003036252A2 Sensor assembly operating at high temperature and method for mounting same |
| 04/30/2003 | CN2548136Y Pressure-meter guide connector |
| 04/24/2003 | US20030075698 LCC-based fluid-level detection sensor |
| 04/24/2003 | US20030074972 LCC-based strain-gage sensor integrated with cylinder-head gasket |
| 04/24/2003 | US20030074957 Engine combustion monitoring and control with integrated cylinder head gasket combustion sensor |
| 04/23/2003 | EP1303691A1 Method and device for error detection and diagnosis in a knock sensor |
| 04/22/2003 | US6550456 Combustion state detection apparatus for internal combustion engine |
| 04/22/2003 | US6550336 Probe for measuring pressure oscillations |
| 04/22/2003 | US6550311 Method of error detection during evaluation of sensor signals |
| 04/17/2003 | WO2003031687A2 Corrosion-proof pressure transducer |
| 04/17/2003 | US20030073341 Sensor with data storage medium |
| 04/17/2003 | US20030070489 Corrosion-proof pressure transducer |
| 04/16/2003 | EP1302755A1 Sensor |
| 04/10/2003 | DE20301021U1 Combustion chamber pressure sensor is in two parts to fit narrow glow plug bores |
| 04/09/2003 | CN1409096A Intake air pressure detection method for internal combustion engine |
| 04/08/2003 | US6546328 Knock and misfire detection system |
| 04/02/2003 | CN1407321A Air intake pressure testing method of IC engine |
| 04/01/2003 | US6539786 Sensor attachment arrangement having extending members |
| 03/27/2003 | US20030056594 Vibration sensor for fixing directly or indirectly to a vibrating component |
| 03/25/2003 | US6539136 Fiber-optic pressure sensor, variants and method for producing a resilient membrane |
| 03/25/2003 | US6538366 Sparking plug equipped with a pressure sensor, and combustion engine equipped with such sparking plugs |
| 03/18/2003 | US6532795 Vibration pickup with a pressure sleeve |
| 03/13/2003 | US20030047354 Compliant standoff for low pressure sensing device |
| 03/13/2003 | US20030047004 Automotive cylinder pressure sensors |
| 03/12/2003 | CN1401937A Pressure measuring device of burner |
| 03/06/2003 | WO2003019127A1 Optical device for measuring pressure or force |
| 03/04/2003 | US6529817 Apparatus for knock detection with digital signal analysis and method of detecting knock using same |
| 02/27/2003 | DE20218044U1 Pressure sensor, e.g. for tires, has first synthetic material covering connecting elements, inner sections and contact surfaces, more deformable synthetic material covering pressure-sensitive region |
| 02/26/2003 | EP0998633B1 Device for suppressing engine knocking in internal combustion engines |
| 02/25/2003 | US6523399 Control unit for a motor vehicle |
| 02/18/2003 | US6520149 Knock control apparatus and method for engines |
| 02/13/2003 | US20030029248 Spark plug mounted thick film strain gauge |
| 02/06/2003 | US20030024318 Probe for measuring pressure oscillations |
| 02/05/2003 | EP1280987A1 Scanning method for pressure sensors used in the pressure-based detection of filling levels |
| 01/30/2003 | WO2002023145A3 High temperature piezoelectric sensor |
| 01/14/2003 | US6505505 Method and device for determining the ambient pressure in an internal combustion engine, and air mass meter therefor |
| 01/09/2003 | US20030005911 Threadless knock sensor |
| 01/09/2003 | US20030005749 Knock determining apparatus for internal combustion engine |
| 01/08/2003 | CN1389715A Apparatus for determining detonation for internal combustion engine |
| 01/02/2003 | US20030000292 Intake pressure sensing device for internal combustion engine |
| 01/01/2003 | CN1388893A Vibration pickup and an insulating disk for a vibration pickup |
| 12/26/2002 | US20020195917 Method for fabricating spark plug with piezoelectric sensor and spark plug fabricated by the same |
| 12/25/2002 | CN2527991Y Isolated shock-proof spacing pressure gage movement |
| 12/24/2002 | US6498501 Measuring circuit |
| 12/19/2002 | WO2002101228A1 Valve for controlling fluids and method for measuring pressures |
| 12/19/2002 | US20020189334 Spark apparatus with pressure signal response amplification |
| 12/19/2002 | DE10127932A1 Motor vehicle combustion engine fuel injector has an integral pressure sensor in the combustion chamber that supplies pressure information to a valve member so that its behavior is controlled accordingly |
| 12/18/2002 | CN1386164A Method and device for error detection and diagnosis in a knock sensor |
| 12/17/2002 | US6494088 Control device in a motor vehicle and a method of attaching a pressure sensor used by the control device |
| 12/05/2002 | US20020183919 Misfire deciding method and misfire deciding system for internal combustion engines |
| 12/05/2002 | US20020179054 Knock control apparatus for internal combustion engine |
| 12/05/2002 | US20020179053 Knock control apparatus for engine |
| 12/05/2002 | US20020179051 Method and device for error detection and diagnosis in a knock sensor |
| 12/03/2002 | US6487898 Engine cylinder pressure sensor with thermal compensation element |
| 11/28/2002 | DE10218544A1 Glühkerze mit eingebautem Verbrennungsdrucksensor Glow plug with integrated combustion pressure sensor |
| 11/28/2002 | DE10211992A1 Drucksensor zur Druckerfassung in einem Motorbrennraum sowie Verfahren zu dessen Herstellung Pressure sensor for detecting pressure in an engine combustion chamber as well as methods for its preparation |
| 11/27/2002 | EP1260806A2 A preignition detection apparatus |
| 11/21/2002 | US20020170345 Scanning method for pressure sensors used in the pressure-based detection of filling levels |
| 11/20/2002 | EP1257793A1 System and method for detecting and warning of potential failure of rotating and vibrating machines |
| 11/14/2002 | DE10115944C1 Schwingungsaufnehmer mit unverlierbarem Befestigungsmittel Vibration Transducers with captive fasteners |
| 11/07/2002 | WO2002066282A3 Device for receiving a force acting upon a vehicle seat |
| 11/06/2002 | EP1255100A2 Misfire deciding method and misfire deciding system for internal combustion engines |
| 11/06/2002 | EP1255099A2 Pressure sensor for picking up the pressure in a combustion area of an engine and procedure for its manufacturing |
| 11/06/2002 | EP0993596B1 Vibration pickup with pressure sheath |
| 10/24/2002 | WO2002084245A1 Arrangement and method to measure cylinder pressure in a combustion engine |
| 10/23/2002 | CN2517627Y Tester for vehicle load compression |
| 10/23/2002 | CN1375626A Cylinder head sealing washer |
| 10/22/2002 | US6467472 System and method for improved sensing of exhaust pressure |
| 10/15/2002 | US6466876 Measuring device for electrically decoupled function testing of working systems |
| 10/10/2002 | WO2002079745A1 Vibration sensor with captive fastening means |
| 10/10/2002 | US20020144539 Ignition system with ion current detecting circuit |
| 10/09/2002 | EP1247972A1 Intake pressure sensing device for internal combustion engine |
| 10/08/2002 | US6460408 Method for determining relevant variables representing the pressure in the cylinders of an internal combustion engine |
| 10/03/2002 | WO2002077592A1 Device for determining a force |
| 10/03/2002 | WO2002077586A1 Vibration pickup for fixing to a vibration-producing component |
| 10/02/2002 | DE10114045A1 Schwingungsaufnehmer zur Befestigung an einem Schwingungen aufweisenden Bauteil Vibration sensor having for attachment to a vibrating member |
| 09/26/2002 | US20020135456 Ultra high pressure transducers |
| 09/26/2002 | DE10211263A1 Zylinderkopfdichtung Cylinder head gasket |
| 09/25/2002 | EP0912828B1 Method for identifying knocking combustion in an internal combustion engine with an alternating current ignition system |
| 09/24/2002 | US6456927 Spectral knock detection method and system therefor |
| 09/19/2002 | US20020130468 Cylinder head gasket |
| 09/18/2002 | EP1240490A1 Vibration pickup comprising a clamping sleeve |
| 09/18/2002 | EP1240489A1 Vibration pickup comprising a pressure sleeve |
| 09/18/2002 | EP1240478A2 Vibration sensor with a pressure housing |
| 09/12/2002 | DE10108051A1 Measuring combustion pressure in combustion chamber of internal combustion engine by detecting changing in length of cylinder head screw or bulging of cylinder head |
| 09/11/2002 | EP1239143A2 Pressure sampling device for sampling an internal pressure of an intake pipe of a combustion engine |
| 09/11/2002 | CN1369057A Spark plug provided with pressure sensor and combustion engine provided with such spark plug |
| 09/05/2002 | US20020121127 Spark generating apparatus having strain gage cylinder pressure measurement feature |
| 09/04/2002 | CN1090321C Pressure sensor for IC engine with intaking pipe |