| 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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| 10/11/2006 | CN2826385Y Digital train blast gauge |
| 10/11/2006 | CN1279276C Method and device for error detection and diagnosis in a knock sensor |
| 10/10/2006 | US7117725 In-cylinder pressure detecting apparatus |
| 10/05/2006 | WO2006102753A1 Occlusion detector for dual-port surgical tourniquet systems |
| 10/05/2006 | DE102006007876A1 Klopfbestimmungsvorrichtung für einen Verbrennungsmotor The knock determination device for an internal combustion engine |
| 10/05/2006 | CA2602894A1 Occlusion detector for dual-port surgical tourniquet systems |
| 10/04/2006 | EP1707937A1 Stroke determination unit for 4-cycle engine |
| 10/04/2006 | EP1707936A1 Spark plug having combustion pressure detecting function |
| 10/04/2006 | EP1707935A1 Combustion pressure sensor and glow plug including the same |
| 10/04/2006 | EP1706717A1 Pressure sensor with an ir radiation sensor |
| 09/28/2006 | DE4219135B4 System zur Erfassung von Fehlzündungen in einer Brennkraftmaschine A system for detecting misfire in an internal combustion engine |
| 09/27/2006 | EP1704397A2 Pressure sensor |
| 09/26/2006 | US7113873 Method and system for using eddy current transducers in pressure measurements |
| 09/21/2006 | WO2006099157A2 Real-time spectral analysis of internal combustion engine knock |
| 09/21/2006 | US20060212209 Method and associated device for sensing the air/fuel ratio of an internal combustion engine |
| 09/21/2006 | US20060207312 Knock sensor |
| 09/19/2006 | US7107819 Pressure sensor unit having a ring-like pressure sensing element |
| 09/14/2006 | US20060206254 Real-time spectral analysis of internal combustion engine knock |
| 09/14/2006 | DE102004054738A1 Cylinder head gasket for e.g. four-cylinder-engine, has expansion sensors directly sensing gas pressure variations and frictionally coupled with sheet-metal plate layer, which lies adjacent to one of another sheet-metal layers |
| 09/07/2006 | US20060200299 Signal processing device and control unit for cooperating with a signal processing device |
| 09/07/2006 | DE10066074B4 Verfahren zur Bewertung der Verbrennung bei geschichteter Ladung für direkteinspritzende Otto-Motoren Method for evaluating the combustion stratified charge for direct-injection gasoline engines |
| 09/05/2006 | US7100426 Knocking sensor |
| 08/31/2006 | WO2006089446A1 Component for piezoelectric force or pressure sensors, held together by an electrically insulating film |
| 08/30/2006 | EP1696218A1 Knocking presence evaluation circuit for an internal combustion engine, knocking identification and control system and corresponding pressure signal processing method |
| 08/30/2006 | CN1825080A Pinking sensor |
| 08/29/2006 | US7096722 Method and apparatus for detecting combustion instability in continuous combustion systems |
| 08/24/2006 | US20060185438 Pressure sensor |
| 08/24/2006 | US20060185422 Knock determination device for internal combustion engine |
| 08/24/2006 | DE102005006666A1 Piezoelectric sensor e.g. for machine and automobile engineering, has thermo-sensor and amplifier circuit with temperature compensation |
| 08/23/2006 | EP1440182A4 Corrosion-proof pressure transducer |
| 08/22/2006 | US7093495 Pressure sensor |
| 08/17/2006 | DE102005005280A1 Pressure detecting device for combustion chamber, has electrical conductors to connect glow plug and pressure sensor with control unit and evaluation unit, respectively, where units are electrically and logically connected with each other |
| 08/16/2006 | CN2807232Y Knocking sensor |
| 08/16/2006 | CN1270171C Installation structure of knockmeter in internal combustion engine |
| 08/10/2006 | DE4403660B4 Druckhülse Pressure sleeve |
| 08/10/2006 | DE4311838C5 Piezoelektrischer Sensor zur Aufnahme von Druckschwingungen und dessen Anordnung bei Verbrennungsmotoren A piezoelectric sensor for receiving pressure vibrations and its arrangement in internal combustion engines |
| 08/09/2006 | EP1688615A1 Ignition timing controlling device and method |
| 08/03/2006 | WO2006079239A1 Ground insulated piezoelectric sensor for the measurement of acceleration or pressure |
| 08/03/2006 | US20060170909 Fuel injectors with integral fiber optic pressure sensors and associated compensation and status monitoring devices |
| 08/03/2006 | DE19752194B4 Verfahren und System zum Messen der Interferenz zwischen einem Ventil und einem Kolben eines Verbrennungsmotors Method and system for measuring interference between a valve and a piston of an internal combustion engine |
| 08/02/2006 | CN1267710C Pressure sensing device with temp. sensor |
| 07/26/2006 | CN1266461C Air intake pressure testing method of IC engine |
| 07/20/2006 | DE102005013914A1 Device for pressure measuring has pressure line in which pneumatic low-pass filter is formed during pulsating gas flow, whose threshold frequency is smaller than pulsating frequency of gas flow |
| 07/13/2006 | WO2006073062A1 Dual injection type internal combustion engine |
| 07/13/2006 | WO2006072514A1 Steel membrane for combustion chamber pressure sensors |
| 07/13/2006 | WO2006072510A1 Pencil-type glow plug having an integrated combustion chamber pressure sensor |
| 07/13/2006 | DE4409103B4 Verfahren zur Klopferkennung für eine fremdgezündete Brennkraftmaschine Method for knock detection for a spark ignition engine |
| 07/13/2006 | DE102005061851A1 Verbrennungsmotor-Klopferkennungsvorrichtung Engine knock detection device |
| 07/12/2006 | EP1086362B1 Spark plug with pressure sensor |
| 07/11/2006 | US7075448 Method and circuit arrangement for offset correction of a measurement bridge |
| 07/06/2006 | US20060144154 Piezoelectric sensor and input device comprising same |
| 07/06/2006 | DE102005058213A1 Vorrichtung zur Verarbeitung von Signalen von in einem Antriebsstrang eines Fahrzeugs enthaltenen Sensoren und die Vorrichtung verwendendes System Apparatus for processing signals contained in a drive train of a vehicle system using sensors and the device |
| 07/06/2006 | DE10048060B4 Verfahren zur Klopferkennung Method for knock detection |
| 06/29/2006 | WO2006068280A1 Knock determination device for internal combustion engine |
| 06/29/2006 | US20060137655 Pressure gauge for combustion chamber of an internal combustion engine |
| 06/28/2006 | EP1674847A2 Knocking detection |
| 06/28/2006 | EP1674845A2 Internal cylinder pressure detection |
| 06/22/2006 | US20060136117 Knock determination device for internal combustion engine |
| 06/21/2006 | EP1672346A2 Knock determining apparatus for internal combustion engine |
| 06/21/2006 | CN1789698A Knock determining apparatus for internal combustion engine |
| 06/21/2006 | CN1260557C Intake air pressure detection method, detection device and controller for internal combustion engine |
| 06/20/2006 | US7063079 Device for reducing the part count and package size of an in-cylinder ionization detection system by integrating the ionization detection circuit and ignition coil driver into a single package |
| 06/20/2006 | US7062975 Sensor with data storage medium |
| 06/15/2006 | US20060129304 Knock determining apparatus for internal combustion engine |
| 06/15/2006 | US20060129303 Method and device for identifying knocking |
| 06/15/2006 | US20060123887 Apparatus for pressure detection in an engine combustion chamber |
| 06/14/2006 | DE10209752B4 Optischer Sensor zur Erfassung von Verbrennungsvorgängen An optical sensor for monitoring combustion processes |
| 06/08/2006 | US20060122765 Knock detection apparatus and knock detection method |
| 06/08/2006 | US20060117834 Engine knocking detection apparatus which adjusts passband of sensor signal bandpass filter in accordance with increases in crankshaft angle |
| 06/07/2006 | EP1664526A1 Pencil-type glow plug with a glow pencil provided in the form of a pressure sensor |
| 06/06/2006 | US7055372 Method of detecting cylinder ID using in-cylinder ionization for spark detection following partial coil charging |
| 06/01/2006 | DE102005051775A1 Brennkammerdrucksensor ausgestattet mit einem Dämpferkörper zum Abschwächen übertragener Verbrennungsmotorschwingungen Combustion chamber pressure sensor equipped with a damper body for attenuating transmitted engine vibrations |
| 05/31/2006 | EP1662242A1 Pressure sensor with compensation of the thermal expansion of its housing |
| 05/30/2006 | US7054735 Apparatus and method for controlling internal combustion engine |
| 05/30/2006 | US7051711 Knock recognition in internal combustion engines with modifications by changing filter characteristics or cylinder specific changes |
| 05/30/2006 | US7051575 Control device for internal combustion engine |
| 05/26/2006 | WO2006054029A1 Device for controlling an internal combustion engine |
| 05/24/2006 | DE102005053024A1 Combustion condition detecting device for combustion engine e.g. petrol engine, has miisfire determination unit to determine combustion condition during combustion stroke of combustion engine |
| 05/23/2006 | US7049729 Amplifier converting charge signal |
| 05/18/2006 | DE102004002905B4 Glühkerzenstecker Glühkerzenstecker |
| 05/17/2006 | EP1657537A1 Method and device for determining the absolute pressure in a fluid flow conduit |
| 05/16/2006 | US7043993 Pressure sensor device having temperature sensor |
| 05/09/2006 | US7043353 Knock determining apparatus and method for internal combustion engine |
| 05/09/2006 | US7042288 Charge amplifier for piezoelectric pressure sensor |
| 05/04/2006 | US20060090544 Combustion chamber pressure sensor equipped with damper body for attenuating transmitted engine vibration |
| 05/04/2006 | US20060090543 Knock sensor |
| 05/02/2006 | US7036383 Pressure sensor having sensor chip and signal processing circuit mounted on a common stem |
| 05/01/2006 | CA2521562A1 Fuel fill based spark knock control |
| 04/27/2006 | US20060086177 Knocking detection |
| 04/27/2006 | US20060086176 Method for diagnosing an engine control unit and corresponding engine control unit |
| 04/25/2006 | US7032438 Pressure gauge glow plug |
| 04/20/2006 | WO2005064298A3 Pressure sensor |
| 04/20/2006 | US20060081034 Knock sensor and manufacturing method thereof |
| 04/20/2006 | DE102005022340A1 Klopfsensor und Verfahren zu dessen Herstellung Knock sensor and method for its production |
| 04/19/2006 | CN1761813A A fluid injector |
| 04/19/2006 | CN1761808A Throttle body |
| 04/19/2006 | CN1760654A Knock sensor and manufacturing method thereof |
| 04/19/2006 | CN1252455C Pressure sensor device with temperature sensor |
| 04/13/2006 | WO2006037251A1 Spark plug with optical sensor |
| 04/13/2006 | DE19506272B4 Verfahren zur Klopfregelung eines Verbrennungsmotors Method for knock control of an internal combustion engine |