| 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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| 09/29/2011 | DE102010003291A1 Verfahren und Vorrichtung zur Verminderung von unkontrollierten Verbrennungen in einem Verbrennungsmotor Method and device for reduction of uncontrolled burning in an internal combustion engine |
| 09/28/2011 | CN201991664U 自检测进气系统 Since the detection of the intake system |
| 09/27/2011 | US8026105 Quantification of lubricant reactivity using constant volume combustion device |
| 09/27/2011 | DE202010007860U1 Druckwellengerät mit pneumatischem Antrieb Pressure wave device with pneumatic actuator |
| 09/21/2011 | CN102192813A Method and apparatus for determining analogue value of pressure in engine system with internal combustion engine |
| 09/20/2011 | US8020429 Device and method for determining knocking of internal combustion engine |
| 09/15/2011 | US20110224922 Method for preprocessing vibro-sensor signals for engine diagnostics and device for carrying out thereof |
| 09/15/2011 | DE10013826B4 Klopf-Unterdrückungs-Steuervorrichtung für eine Brennkraftmaschine Knocking suppression control apparatus for an internal combustion engine |
| 09/14/2011 | CN102183273A Initiating explosive device acting pressure-temperature tester |
| 09/14/2011 | CN101614609B A piezoresistive pressure-measuring plug for a combustion engine |
| 09/08/2011 | DE102010026986A1 Klopfsensorsystem Knock Sensor System |
| 09/01/2011 | WO2011105084A1 Combustion pressure sensor |
| 09/01/2011 | WO2011080424A3 Ignition and pressure measurement device of an internal combustion engine |
| 08/31/2011 | CN102171428A Method and device for detecting a knocking occurrence during a switching process between operating modes of an internal combustion engine |
| 08/31/2011 | CN101467017B Knock determination device and method for internal combustion engine |
| 08/25/2011 | DE102010054425A1 Sensornachrichtenübermittlungssysteme und -verfahren Sensor communication systems and procedures |
| 08/25/2011 | DE102007000166B4 Einrichtung und Verfahren zum Bestimmen eines Klopfens eines Verbrennungsmotors Apparatus and method for determining knocking of an internal combustion engine |
| 08/24/2011 | CN102162406A Mounting structure of motor cylinder pressure sensor |
| 08/23/2011 | US8005638 Distributed test system and method |
| 08/18/2011 | WO2011099445A1 Sensor for detecting in-cylinder pressure |
| 08/17/2011 | EP2356419A1 Method and apparatus for pressure measurement using fill tube |
| 08/17/2011 | EP2087333B1 Pressure sensor for measurements in hot, dynamic processes |
| 08/11/2011 | DE10046017B4 Halbleiter-Drucksensorvorrichtung mit von Schutzelement bedecktem Sensorchip Semiconductor pressure sensor device with covered by protective element sensor chip |
| 08/10/2011 | CN102150027A Device incorporating a pressure sensor for measuring pressures within an internal combustion engine |
| 08/10/2011 | CN102150026A Device including a pressure sensor for measuring pressures inside the combustion chamber of an engine |
| 08/10/2011 | CN102150025A Device including a pressure sensor for measuring pressures in an internal combustion engine, and body for such a device |
| 08/04/2011 | DE102011000374A1 Waterproof structure for semiconductor package installed in car generator, has radiation element that is arranged opposite to surface area of heat sink with power element and provided with projection fitted into recess of heat sink |
| 07/28/2011 | WO2011090426A1 Device and method for analysing a performance of an engine |
| 07/28/2011 | DE102007000337B4 Verbrennungsdrucksensor Combustion pressure sensor |
| 07/28/2011 | CA2784725A1 Device and method for analysing a performance of an engine |
| 07/27/2011 | EP2348298A1 Combustion pressure sensor |
| 07/27/2011 | EP1959122B1 Internal combustion engine knocking judging device and knocking judging method |
| 07/27/2011 | CN201909699U Detonation pressure measuring device of cylinder internal preheating type diesel engine |
| 07/21/2011 | US20110174055 Evaluation Of Non-Fuel Components On Engine Knock Performance |
| 07/13/2011 | CN1760654B Knock sensor manufacturing method |
| 07/07/2011 | WO2011080424A2 Ignition and pressure measurement device of an internal combustion engine |
| 07/06/2011 | EP2341236A1 Apparatus for measuring in-cylinder pressure |
| 07/06/2011 | CN101680815B Indicator arrangement |
| 07/05/2011 | US7971571 Operation control method on the basis of ion current in internal combustion engine |
| 06/29/2011 | EP2339313A1 Device and method for determining knock in an internal combustion engine |
| 06/23/2011 | US20110146384 Knock determination device and knock determination method for internal combustion engine |
| 06/22/2011 | DE102009058930A1 Ventilvorrichtung für Verbrennungskraftmaschinen Valve device for internal combustion engines |
| 06/22/2011 | CN102103031A Device and method for determining knock in an internal combustion engine |
| 06/16/2011 | US20110139118 Method and system for pre-ignition control |
| 06/15/2011 | EP2331925A1 Sensor membrane |
| 06/15/2011 | CN102095551A Method for determine gas pressure in an exhaust after-treatment system |
| 06/15/2011 | CN101139955B Compensating for varying fuel and air properties in an ion signal |
| 06/09/2011 | US20110137599 Compensation arrangement and method for operation thereof |
| 06/09/2011 | US20110132327 Abnormality detection device for internal combustion engine |
| 06/08/2011 | CN201859036U Damping structure of pressure transmitter |
| 06/07/2011 | US7954382 Pressure-measuring device |
| 06/01/2011 | EP2327868A1 Frequency component analyzer |
| 06/01/2011 | DE102009055862A1 Method for operating spark-ignition engine of vehicle, involves evaluating electrical measured variables or correcting variables of ignition system for diagnosis of combustion parameter, and diagnosing fuel quality as combustion parameter |
| 06/01/2011 | DE102008011614B4 Vorrichtung zur Verarbeitung eines Klopfsensorsignals An apparatus for processing of a knock sensor signal |
| 06/01/2011 | CN201852673U Cooling device for avoiding sediment generation in pressure meter and machine table |
| 05/26/2011 | WO2011061014A1 Method and device for recognizing uncontrolled combustion in a combustion engine |
| 05/25/2011 | CN102072795A Piezoresistive high-frequency high-temperature dynamic pressure sensor |
| 05/19/2011 | US20110118960 Knocking detecting apparatus for internal combustion engine |
| 05/18/2011 | EP2135052B1 Improvements in or relating to diagnostics of a capacitive sensor |
| 05/18/2011 | CN201837503U Automobile engine knocking sensor test stand and motor control circuit |
| 05/18/2011 | CN101231204B Cylinder pressure measuring device |
| 05/12/2011 | DE102009056478B3 Method for correcting knocking information in combustion chamber pressure signal in internal combustion engine, involves correcting criteria for evaluation of knocking combustion based on measure for damping or reinforcing of signal |
| 05/10/2011 | US7941265 Individual cylinder fuel mass correction factor for high drivability index (HIDI) fuel |
| 05/04/2011 | CN102042895A Sine pressure generator with differential piston |
| 05/04/2011 | CN102042108A Method for determining an in-cylinder pressure curve within a multi-cylinder engine |
| 04/28/2011 | DE102009050911A1 Zylinderdrucksensor Cylinder pressure sensor |
| 04/21/2011 | DE10318588B4 Klopfsteuervorrichtung für eine Brennkraftmaschine A knock control device for an internal combustion engine |
| 04/20/2011 | CN201803837U Flow seal tester for actuator cylinder |
| 04/20/2011 | CN102023071A Method for estimating exhaust manifold pressure |
| 04/20/2011 | CN102022197A Pressure estimation systems and methods |
| 04/14/2011 | WO2011042795A1 Integrated fluid pressure sensor system |
| 04/13/2011 | CN101718607B Device for measuring push-pull force output by rotating hydraulic cylinder |
| 04/13/2011 | CN101046424B Knock sensor |
| 04/07/2011 | DE102007008230B4 Klopfsensor Knock Sensor |
| 04/06/2011 | CN101600950B Device and method for processing pinking signals of an internal combustion engine, with reduced influence of interfering noise |
| 04/06/2011 | CN101512314B Pressure measuring converter |
| 04/06/2011 | CN101271030B Knock system with detection zones |
| 03/31/2011 | DE102005060642B4 Halbleiterdrucksensor Semiconductor pressure sensor |
| 03/30/2011 | CN101995449A Acetylene gas pressure sensitivity explosion testing device |
| 03/30/2011 | CN101995314A Method for determining pressure values in cylinder of internal combustion engine |
| 03/30/2011 | CN101994629A Ignition coil with ionization and digital feedback for internal combustion engine |
| 03/30/2011 | CN101479587B Device and method for determining knocking of internal combustion engine |
| 03/17/2011 | WO2010066956A8 Device incorporating a pressure sensor for measuring pressures within an internal combustion engine |
| 03/17/2011 | DE102008000439B4 Druckwandler mit einer Membran Pressure transducer having a diaphragm |
| 03/16/2011 | EP2294663A1 Spark plug having pressure sensor |
| 03/10/2011 | DE112007001077B4 Klopfbestimmungsvorrichtung und -verfahren für eine Verbrennungskraftmaschine The knock determination device and method for an internal combustion engine |
| 03/10/2011 | DE102010017011A1 Sensorsystem Sensor system |
| 03/03/2011 | DE102009037375B3 Glühkerze Glow plug |
| 02/24/2011 | DE102007017480B4 Vibrationssensor und Verfahren zur Vibrationserkennung Vibration sensor and method for vibration detection |
| 02/23/2011 | EP1872090B1 Measurement system for measuring cylinder pressure in an internal combustion engine |
| 02/17/2011 | US20110036147 Method for characterising the knock-resistance of fuels |
| 02/17/2011 | DE102009028492A1 Method for determining pressure values in cylinder of e.g. internal combustion engine, involves determining correction values in dependent upon pressure measuring values, and utilizing correction values to find pressure values |
| 02/16/2011 | EP2283334A1 Pressure sensor for measurements in a chamber of an internal combustion engine |
| 02/16/2011 | CN101413453B Internal combustion engine knock determination device and ignition control system including the same |
| 02/10/2011 | US20110030452 Knock detection system and method for an amplifier control for a knock signal |
| 02/10/2011 | DE102010016280A1 Injektor und Verfahren zum Herstellen desselben Of the same injector and method for producing |
| 02/03/2011 | DE102006043192B4 Sensorvorrichtung Sensor device |
| 02/03/2011 | DE102006003265B4 Verfahren zur Bestimmung des Schleppdruckverlaufes in dem Zylinder einer Brennkraftmaschine Method for the determination of the drag pressure curve in the cylinder of an internal combustion engine |
| 02/03/2011 | DE10014634B4 Drucksensor mit Metallspindel, die mit einem Gehäuse verbunden ist, das direkt an einer Vorrichtung angebracht werden kann, und Verfahren zum Herstellen desselben Of the same pressure sensor with metal spindle, which is connected to a housing which can be attached directly to a device and method for producing |
| 02/01/2011 | US7878140 Device and method to insure integrity to body armor or other ballistic protection apparatus |