| 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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| 01/27/2011 | US20110016952 Apparatus and Method for the Detection of Knocking Combustion |
| 01/27/2011 | DE102007003377B4 Zylinderdruckmesseinrichtung Cylinder pressure measuring device |
| 01/26/2011 | CN101608963B Detonation detection device |
| 01/26/2011 | CN101231205B Air cylinder pressure measuring device |
| 01/25/2011 | US7874200 Internal combustion engine knock determination device |
| 01/20/2011 | DE102008055053B4 Vorrichtung zum Messen des Kraftstoffdrucks in einem Kraftstoffeinspritzventil An apparatus for measuring the fuel pressure in a fuel injection valve |
| 01/19/2011 | CN201716150U Internal combustion engine cylinder pressure sensor with metal ceramic electric heating body |
| 01/18/2011 | CA2537522C Stroke determination unit for 4-cycle engine |
| 01/12/2011 | EP1896818B1 Knocking determination device for internal combustion engine |
| 01/12/2011 | EP1896817B1 Knocking state determination device |
| 01/12/2011 | CN101213432B 爆震状态判定设备 Knocking state determination device |
| 01/05/2011 | EP1521907B1 Method for checking the operability of an ambient pressure sensor of an internal combustion engine |
| 01/04/2011 | US7863903 Combustion state detection apparatus and combustion state detection method for internal combustion engine |
| 12/30/2010 | US20100326170 Device for processing a knock sensor signal |
| 12/30/2010 | DE102009030702A1 Drucksensormesselement sowie damit versehener Drucksensor Pressure sensor measuring element and provided therewith pressure sensor |
| 12/30/2010 | DE102006047347B4 Drucksensor Pressure sensor |
| 12/29/2010 | WO2010149501A1 Pressure sensor measuring element and pressure sensor which is provided with the latter and is intended to detect the pressure in a combustion chamber of an internal combustion engine |
| 12/29/2010 | WO2010065286A8 Method and apparatus for pressure measurement using fill tube |
| 12/29/2010 | EP2265916A1 Device and method for detecting knocking combustion |
| 12/29/2010 | EP1910793B1 Compensation arrangement and method for operation thereof |
| 12/29/2010 | CN101932922A Spark ignition device with in-built combustion sensor |
| 12/29/2010 | CN101358891B Output representation method of detecting result of cylinder pressure |
| 12/23/2010 | WO2010145877A1 Combination sensor |
| 12/22/2010 | CN101922371A Sensor system |
| 12/22/2010 | CN101922368A Detecting device for fuel injector |
| 12/22/2010 | CN101213434B Knocking determination device for internal combustion engine |
| 12/21/2010 | US7856308 Knock detection apparatus for internal combustion engine |
| 12/16/2010 | DE102010017261A1 Erfassungsvorrichtung für einen Kraftstoffinjektor Detecting device for a fuel injector |
| 12/16/2010 | DE102009026931A1 Kombisensor Kombisensor |
| 12/16/2010 | DE102007003562B4 Zylinderdruckmesseinrichtung Cylinder pressure measuring device |
| 12/14/2010 | US7853393 Method and device for operating an internal combustion engine |
| 12/09/2010 | US20100312501 Detecting device for fuel injector |
| 12/09/2010 | US20100312457 Sensor system |
| 12/09/2010 | DE102009026436A1 Vorrichtung zur Erfassung eines Brennraumdrucks einer Brennkraftmaschine A device for detecting a combustion chamber pressure of an internal combustion engine |
| 12/09/2010 | DE10028885B4 Verfahren und Vorrichtung zum Erfassen des in einem Brennraum einer Brennkraftmaschine auftretenden Brennraumdrucks Method and apparatus for detecting the combustion chamber pressure occurring in a combustion chamber of an internal combustion engine |
| 12/08/2010 | CN101213433B 爆震状态判定设备 Knocking state determination device |
| 12/02/2010 | WO2010136229A1 Device for registering a combustion chamber pressure of an internal combustion engine |
| 12/02/2010 | DE102009022539A1 Vorrichtung zur Erfassung eines Brennraumdrucks einer Brennkraftmaschine A device for detecting a combustion chamber pressure of an internal combustion engine |
| 12/01/2010 | EP2256326A1 Method and device for recognising faulty spark formation of an externally ignited combustion engine with one or more cylinders |
| 12/01/2010 | CN101900626A Knock sensor and manufacturing method thereof |
| 12/01/2010 | CN101382094B Device and method for determining trouble of cylinder pressure sensor |
| 12/01/2010 | CN101315310B Positional arrangement of knock sensor |
| 12/01/2010 | CN101213435B Knocking determination device for internal combustion engine |
| 11/25/2010 | DE102010016306A1 Kraftstoffeinspritzvorrichtung Fuel injector |
| 11/24/2010 | CN201653641U Pulse adjustment test bed for exhaust silencing system of motorcycles |
| 11/23/2010 | US7836864 Internal-combustion-engine combustion condition detection apparatus and combustion condition detection method |
| 11/18/2010 | DE102006043884B4 Halbleiterdrucksensor und Form zum Formen des Sensors A semiconductor pressure sensor and mold for molding of the sensor |
| 11/17/2010 | CN101887080A Method for testing ytterbium meter dynamic piezo-resistance |
| 11/17/2010 | CN101886595A Fuel injector with fuel pressure sensor and electrical interconnection method of the same |
| 11/17/2010 | CN101886580A Method and system for generating a diagnostic signal of an engine component using an in-cylinder pressure sensor |
| 11/11/2010 | US20100286893 Method And Apparatus For Determining A Normal Combustion Characteristic For An Internal Combustion Engine From An Accelerometer Signal |
| 10/28/2010 | DE102010016278A1 Kraftstoffeinspritzventil Fuel injection valve |
| 10/28/2010 | DE102010016261A1 Kraftstoffeinspritzventil Fuel injection valve |
| 10/28/2010 | DE102009018704A1 Method for determining whether air filter of engine is frosted in e.g. passenger car, involves determining energy amount supplied to air filter, and determining whether air filter is frosted based on temperature or energy amount |
| 10/27/2010 | CN101111752B Knock determination apparatus and method for engines |
| 10/20/2010 | CN201611296U 一种压力受感器 A pressure sensor by |
| 10/20/2010 | CN101865060A Fuel injection valve |
| 10/20/2010 | CN101865059A Fuel injection valve |
| 10/20/2010 | CN101865058A Fuel injection valve |
| 10/14/2010 | DE102010016273A1 Kraftstoffeinspritzventil Fuel injection valve |
| 10/14/2010 | DE102010012332A1 Detection of knocking, in an internal combustion motor, uses signal values to give indication of mechanical effects of knocking during motor running |
| 10/13/2010 | EP2239549A1 Output compensator for in-cylinder pressure sensor, and in-cylinder pressure detector equipped with the same |
| 10/13/2010 | EP2239457A1 Knock control device for engine |
| 10/13/2010 | CN1908608B DSP-based engine knock detection including knock sensor and circuit diagnostics |
| 10/13/2010 | CN101858777A Inner blast monitoring system of air pressure balanced-type pipe-jacking tool head |
| 10/07/2010 | DE102006027710B4 Verfahren und Vorrichtung zur indirekten Messung eines Motorzylinderdrucks Method and apparatus for the indirect measurement of an engine cylinder pressure |
| 09/30/2010 | WO2010108777A1 Method for operating an internal combustion engine, control device for an internal combustion engine and internal combustion engine with direct injection |
| 09/23/2010 | DE102009013432A1 Verfahren und Vorrichtung zum Messen physikalischer Eigenschaften an einer Turbolader-Rumpfgruppe Method and apparatus for measuring physical properties of a turbocharger cartridge assembly |
| 09/22/2010 | CN201589687U Pressure measuring device for measuring working air pressure of rock drilling machine |
| 09/15/2010 | EP1208364B1 Method for detecting knocking |
| 09/09/2010 | DE102009058578A1 Diagnosesysteme und Verfahren für Motorklopfsensoren Diagnostic systems and procedures for engine knock sensors |
| 09/01/2010 | EP2223067A1 Apparatus and method for measuring and recording data from violent events |
| 09/01/2010 | EP2223066A2 Part for measuring forces or pressures, and sensor comprising such a part |
| 09/01/2010 | CN101821597A Knock detection system and method for amplifier control for knock signal |
| 08/31/2010 | US7788022 Control apparatus for internal combustion engine |
| 08/25/2010 | EP2221593A2 Integrated apparatus for measuring static pressure |
| 08/25/2010 | CN101813031A Diagnostic systems and methods for engine knock sensors |
| 08/24/2010 | US7779809 Throttle system and sensor unit |
| 08/19/2010 | DE10225934B4 Faseroptischer Drucksensor The fiber optic pressure sensor |
| 08/18/2010 | CN201555689U Cylinder explosive pressure gauge |
| 08/11/2010 | CN201548374U Fixture for testing high-pressure oil tube |
| 08/11/2010 | CN201548373U Exhaust system pressure loss measuring device of automobile engine exhaust system |
| 08/05/2010 | DE102009000597A1 Haltekörper zur spielfreien Montage von Sensoren Holding body for play-free mounting of sensors |
| 08/04/2010 | EP1521952B1 Pressure measuring device |
| 08/04/2010 | CN101796380A Knock determination device and knock determination method for internal combustion engine |
| 07/28/2010 | EP2210079A2 Spark ignition device with in-built combustion sensor |
| 07/28/2010 | CN101790677A Knock determining device |
| 07/28/2010 | CN101788365A Device for measuring radial force of rod piece |
| 07/20/2010 | US7757545 Device and method for determining trouble of cylinder pressure sensor |
| 07/15/2010 | DE102009034220A1 Steuervorrichtung für Innenverbrennungsmotor A control apparatus for internal combustion engine |
| 07/13/2010 | US7753165 Device and method for active noise cancellation in exhaust gas channel of a combustion engine |
| 07/07/2010 | EP1948924B1 Fuel injection system for internal combustion engines |
| 07/07/2010 | CN201522355U On-line parameter modifying pressure sensor of engine air intake manifold |
| 07/07/2010 | CN101769812A Indirect connecting method between throttle valve and pressure gauge |
| 07/01/2010 | US20100162795 Knocking determination device and knocking determination method for internal combustion engine |
| 07/01/2010 | US20100162794 Device and method for determining knocking of internal combustion engine |
| 07/01/2010 | US20100162793 Device and method for determining knocking of internal combustion engine |
| 07/01/2010 | DE102008055053A1 Measuring device for measuring fuel inner pressure in fuel injection valve utilized for fuel injection directly in combustion chamber of internal combustion engine, has sensor elements recording widening of sleeve, and attached at sleeve |
| 06/30/2010 | EP2202504A1 Method and device for detecting peak values of pressure in a cylinder of an internal combustion engine |
| 06/30/2010 | CN101762357A Strain supervoltage pressure transformer |