| 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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| 02/24/2004 | US6694818 Pressure sensor having semiconductor sensor chip |
| 02/19/2004 | WO2004015385A1 Pressure sensor, method of producing the sensor, and in-cylinder pressure detection structure of internal combustion engine |
| 02/19/2004 | DE10009169B4 Schwingungsaufnehmer mit einer Druckhülse Vibration sensor with a pressure sleeve |
| 02/18/2004 | CN1476390A Tyre blow-out detector |
| 02/12/2004 | US20040030486 Knock recognition in internal combustion engines with modifications by changing filter characteristics or cylinder specific changes |
| 02/12/2004 | US20040025570 Combustion condition detection apparatus for an internal combustion engine |
| 02/10/2004 | US6688286 Knock control apparatus for engine |
| 02/10/2004 | CA2255975C Measuring circuit |
| 02/04/2004 | EP1386130A1 Arrangement and method to measure cylinder pressure in a combustion engine |
| 01/28/2004 | EP1384982A1 System and method for generating a knock determination window for an ion current sensing system |
| 01/28/2004 | CN1471204A Gas pressure and flow control system for flowing gas laser |
| 01/22/2004 | US20040011135 Vibration pickup comprising a clamping sleeve |
| 01/22/2004 | DE10230834A1 Verfahren zum Betreiben einer Brennkraftmaschine A method of operating an internal combustion engine |
| 01/21/2004 | CN1135375C Apparatus for measuring pressure and temp. in air intake pipe of IC engine |
| 01/20/2004 | US6679100 Spark plug mounted thick film strain gauge |
| 01/15/2004 | WO2004005688A1 Method for checking the operability of an ambient pressure sensor of an internal combustion engine |
| 01/15/2004 | US20040008107 Tire blow-out detector |
| 01/15/2004 | US20040007066 Acceleration sensor |
| 01/13/2004 | US6675785 Ignition device for an internal combustion engine |
| 01/13/2004 | US6675638 Scanning method for pressure sensors used in the pressure-based detection of filling levels |
| 01/08/2004 | US20040003651 Misfire detection using acoustic sensors |
| 01/08/2004 | DE10228000A1 Vorrichtung zur Druckmessung A device for pressure measurement |
| 01/07/2004 | EP1377808A1 Vibration sensor with captive fastening means |
| 01/02/2004 | EP1373848A1 Device for determining a force |
| 12/31/2003 | WO2004001358A1 High-pressure sensor comprising silicon membrane and solder layer |
| 12/30/2003 | US6668632 Spark apparatus with pressure signal response amplification |
| 12/24/2003 | WO2003031687B1 Corrosion-proof pressure transducer |
| 12/18/2003 | US20030230281 Knock control system |
| 12/09/2003 | US6660994 Optical apparatus and method for high speed measurement of temporally-resolved transient pressures |
| 12/04/2003 | WO2003100371A1 Pressure measuring device |
| 12/03/2003 | EP1012557B1 Method of detecting and controlling detonation of an internal combustion engine |
| 12/02/2003 | US6655352 Integrated bolt two-piece sleeve design for flat response knock sensor |
| 12/02/2003 | US6655191 Method for detecting knocking combustion in the operation of an internal combustion engine |
| 11/27/2003 | US20030217587 Misfire detection apparatus for internal combustion engine |
| 11/25/2003 | US6651319 Compliant standoff for low pressure sensing device |
| 11/19/2003 | EP1361967A2 Device for receiving a force actin upon a vehicle seat |
| 11/18/2003 | US6649924 Optoelectronic measuring device |
| 11/18/2003 | US6647760 Vibration pickup with pressure sleeve |
| 11/13/2003 | US20030210060 Method and device for measuring the repeatable and non-repeatable runout of rotating components of a spindle motor |
| 11/13/2003 | US20030209230 Apparatus for processing knock sensor signal |
| 11/12/2003 | CN1127706C Rate of rise detector for use with explosion detection and suppression equipment |
| 11/06/2003 | WO2003031687A3 Corrosion-proof pressure transducer |
| 11/05/2003 | EP1358400A1 System and method for improved exhaust pressure sensing of an internal combustion engine |
| 10/30/2003 | US20030200790 Nonresonant type knock sensor |
| 10/23/2003 | WO2003087753A2 Device for pressure measurement, particularly in a combustion chamber of an internal combustion engine |
| 10/23/2003 | US20030196481 Combustion state detection apparatus |
| 10/08/2003 | EP1351353A2 Ignition device for an internal combustion engine |
| 10/08/2003 | EP1351045A2 Method and device for measuring of a non-repeatable knock on a rotating work piece |
| 10/08/2003 | EP0927337B1 Device for detecting the pressure and temperature in the induction pipe of an internal combustion engine and method for the production of said device |
| 10/08/2003 | CN1123765C Explosion pressure tester of diesel engine |
| 10/02/2003 | US20030183217 Ignition device for an internal combustion engine |
| 10/02/2003 | US20030183195 Knock control device for an internal combustion engine |
| 09/25/2003 | WO2003036252A3 Sensor assembly operating at high temperature and method for mounting same |
| 09/25/2003 | US20030177839 Force sensors |
| 09/23/2003 | US6622559 Acceleration sensor |
| 09/23/2003 | US6622549 Fuel injectors with integral fiber optic pressure sensors and associated compensation and status monitoring devices |
| 09/17/2003 | EP1344037A1 Vibration pickup and an insulating disk for a vibration pickup |
| 09/10/2003 | EP1342915A2 System and method for impulse noise suppression for integrator-based ion current signal processor |
| 09/09/2003 | US6617764 High temperature piezoelectric sensor |
| 09/09/2003 | US6615811 Ignition coil integrated ion sense with combustion and knock outputs |
| 09/09/2003 | US6615645 System and method for generating a knock determination window for an ion current sensing system |
| 09/04/2003 | US20030164164 Ignition coil integrated ion sense with combustion and knock outputs |
| 09/04/2003 | US20030164156 Method for processing a sensor signal of a knocking sensor for an internal combustion engine |
| 09/04/2003 | US20030164026 Processing and interface method for ion sense-based combustion monitor |
| 09/04/2003 | US20030164025 System and method for impulse noise suppression for integrator-based ion current signal processor |
| 08/28/2003 | WO2003071119A2 Apparatus for measuring pressures in engine cylinders |
| 08/28/2003 | US20030160118 Valve for controlling fluids and method for measuring pressures |
| 08/28/2003 | CA2476375A1 Apparatus for measuring pressures in engine cylinders |
| 08/27/2003 | EP1338880A1 Pressure sensor unit |
| 08/27/2003 | EP1338879A1 Charge amplifier for piezoelectric pressure sensor |
| 08/27/2003 | EP1337406A1 Tyre blow-out detector |
| 08/26/2003 | US6609416 Diagnostic devices for internal combustion engines and systems for their use |
| 08/21/2003 | US20030154957 Integrated bolt two-piece sleeve design for flat response knock sensor |
| 08/21/2003 | US20030154765 Vibration pickup comprising a pressure sleeve |
| 08/12/2003 | US6604424 Pressure detecting apparatus and installation structure of same |
| 07/31/2003 | WO2003062781A1 Diagnostic devices for internal combustion engines and systems for their use |
| 07/24/2003 | US20030138185 Fiber-optic pressure sensor, variants and method for producing a resilient membrane |
| 07/22/2003 | US6597088 Internal combustion engine igniters having compression detectors |
| 07/17/2003 | US20030131656 Diagnostic devices for internal combustion engines and systems for their use |
| 07/15/2003 | US6591660 Method for detecting knocking |
| 07/10/2003 | US20030126907 Failure diagnostic system for atmospheric pressure detecting device |
| 07/09/2003 | CN1114181C Circuit arrangement for interference-free signal evaluation |
| 07/08/2003 | US6588401 Method for knock control |
| 07/08/2003 | US6588252 Diagnostic method for rapidly detecting erroneous operation of a knock sensor of an internal combustion engine |
| 07/03/2003 | US20030121312 Non-resonance type knock sensor |
| 07/02/2003 | EP1322928A1 Vibration sensor for fixing directly or indirectly to a vibrating component |
| 07/01/2003 | US6584853 Corrosion-proof pressure transducer |
| 06/19/2003 | US20030110863 Vibration pickup and an insulating disk for a vibration pickup |
| 06/11/2003 | EP1317662A2 High temperature piezoelectric sensor |
| 06/10/2003 | US6577224 Ultra high pressure transducers |
| 06/10/2003 | US6575039 Combustion pressure sensor assembly |
| 06/04/2003 | EP1316720A1 Common rail fuel injection system |
| 06/04/2003 | EP1315643A1 Device for providing a signal in response to a change of the ambient pressure |
| 06/04/2003 | CN1110695C 压力套筒 Pressure sleeve |
| 06/03/2003 | US6571616 Easy method for measuring brake mean effective pressure in a running vehicle |
| 05/29/2003 | US20030099426 Communication system with a signal conduction matrix and surface signal router |
| 05/29/2003 | US20030097870 Combustion detecting apparatus of engine |
| 05/27/2003 | US6570304 Spark plug cap and spark plug fitting method |
| 05/27/2003 | US6568276 Strain gauge based sensor with improved linearity |
| 05/22/2003 | US20030095675 Light communication channel-based voice-activated control system and method for implementing thereof |