| 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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| 06/28/2012 | WO2012084466A1 Device for monitoring the operation of a motor engine internal combustion engine |
| 06/27/2012 | EP2469256A1 Glow plug with a load sensor and a screened sensor link |
| 06/27/2012 | CN102519668A Pressure loss measuring device of three-way joint of exhaust piping |
| 06/27/2012 | CN101393063B Integration combustion pressure sensor for internal combustion engine |
| 06/26/2012 | US8209111 Device and method for processing knock signals of an internal combustion engine, with reduced influence of interfering noise |
| 06/26/2012 | US8205489 Knocking determination device and knocking determination method for internal combustion engine |
| 06/21/2012 | DE10350850B4 Verfahren für eine geregelte Energieversorgung zur Erfassung von Ionisierung im Zylinder eines Verbrennungsmotors Method for a regulated power supply for detecting ionization in the cylinder of an internal combustion engine |
| 06/20/2012 | EP1834132B1 Pencil-type glow plug having an integrated combustion chamber pressure sensor |
| 06/20/2012 | EP1797408B1 Spark plug with optical sensor |
| 06/20/2012 | CN102507085A Device for measuring change curve of pressure of weft insertion water flow along reed width |
| 06/20/2012 | CN102507084A Method for determining time domain lifting force of wake flow riser pipe |
| 06/20/2012 | CN102507083A Pulsating drag force determination method of wake flow riser |
| 06/20/2012 | CN102507082A Time domain vortex-induced lift force determination method of deep-water riser |
| 06/20/2012 | CN101865059B Fuel injection valve |
| 06/20/2012 | CN101865058B Fuel injection valve |
| 06/13/2012 | CN101680399B Waterproof connecting structure for pipe |
| 06/06/2012 | DE102010062444A1 Method for providing crankshaft angle-based pressure signal to combustion chamber of cylinder of internal combustion engine, involves shifting digitized combustion chamber pressure signal that is low-pass filtered |
| 06/06/2012 | DE102010062394A1 Method for providing filtered combustion chamber pressure signal for determining characterizing size of combustion in cylinder of internal combustion engine, involves providing digital combustion chamber pressure signal |
| 06/06/2012 | CN202267567U 进排气压力测试稳定装置 Intake and exhaust pressure test stabilizing device |
| 05/31/2012 | DE10000763B4 Strömungsmessungs- und regelung Strömungsmessungs- and control |
| 05/30/2012 | CN101496244B Spark plug incorporating a pressure sensor |
| 05/23/2012 | CN202229878U Experiment bench of automobile engine knock sensor |
| 05/23/2012 | CN101865060B Fuel injection valve |
| 05/22/2012 | CA2708014C Apparatus and method for measuring and recording data from violent events |
| 05/18/2012 | WO2011123626A3 Cylinder head compression sensor gasket assembly, method of construction thereof and method of servicing a pressure sensor assembly in a cylinder head compression sensor gasket assembly |
| 05/16/2012 | CN202221358U Temperature/pressure sensor |
| 05/15/2012 | CA2654952C Sonar circumferential flow conditioner |
| 05/02/2012 | EP2446239A1 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 |
| 05/02/2012 | EP2145097B1 Waterproof connecting structure for pipe |
| 05/02/2012 | EP1792155B1 Pressure sensor |
| 05/02/2012 | CN102435387A Automotive engine knocking sensor experiment platform |
| 05/02/2012 | CN102435386A Systems and methods for determining crankshaft position based indicated mean effective pressure |
| 05/02/2012 | CN102435176A Device and method for measuring response to fluctuating pressure of wind generated wave lakebed of shallow lake |
| 05/02/2012 | CN101084423B Knock determination device for internal combustion engine |
| 04/26/2012 | DE102011054673A1 Sensor mit G-Last absorbierendem Absatz Sensor with G-load absorbing heel |
| 04/26/2012 | DE102010042687A1 Mikromechanische Vorrichtung zur Messung einer Beschleunigung, eines Drucks oder dergleichen sowie entsprechendes Verfahren Micromechanical device for measuring an acceleration, a pressure, or the like as well as corresponding method |
| 04/26/2012 | DE102010037476B4 Druckmessgerät Pressure gauge |
| 04/25/2012 | EP2444786A1 A pressure measuring glow plug for a combustion engine |
| 04/19/2012 | DE102010048464A1 Diesel combustion engine for motor vehicle, has pressure sensor that is arranged in sensor shaft and is directly or indirectly connected with cylinder head |
| 04/18/2012 | CN101189499B 内燃机爆震判定设备 Internal combustion engine knock determination device |
| 04/11/2012 | EP1499866B1 Device for pressure measurement, particularly in a combustion chamber of an internal combustion engine |
| 04/10/2012 | US8155846 Power train control method and system |
| 04/04/2012 | EP2435811A1 Device for registering a combustion chamber pressure of an internal combustion engine |
| 04/04/2012 | CN101482078B 带电屏蔽的燃料喷射器 Charged fuel injector shield |
| 03/29/2012 | US20120073377 Enhanced static-dynamic pressure transducer suitable for use in gas turbines and other compressor applications |
| 03/21/2012 | CN101680816B Knocking determination device and knocking determination method for internal combustion engine |
| 03/15/2012 | WO2012031964A1 Method and circuit for processing a signal supplied by a piezoelectric sensor, and pressure-measuring device for piston engine |
| 03/15/2012 | DE102010037476A1 Pressure gauge for measuring pressure in combustion chamber of engine e.g. diesel engine, of motor car, has diaphragm arranged between sensor and housing membrane and generating restoring force based on axial displacement of heating rod |
| 03/01/2012 | US20120048234 System and method for knock detection based on ethanol concentration in fuel |
| 03/01/2012 | US20120047997 Method and device for detecting the independent running of an internal combustion engine |
| 02/29/2012 | CN102364315A Test method for determining pressure pulsation signal correctness by using computer program |
| 02/16/2012 | DE102010034459A1 Methods for detecting knocking combustion during operation of internal combustion engine, involves arranging multiple knock sensors on housing of internal combustion engine |
| 02/15/2012 | EP2418468A2 Glow plug finger without central high current contact |
| 02/09/2012 | WO2012016811A1 Apparatus for sensing a combustion chamber pressure in an internal combustion engine |
| 02/08/2012 | CN102345528A System and method for calculating a vehicle exhaust manifold pressure |
| 01/24/2012 | US8099996 Method and system for knock detection |
| 01/12/2012 | DE102004024375B4 Klopferfassungsvorrichtung und Erfassungsverfahren Knock detection apparatus and detection method |
| 01/05/2012 | WO2011117122A3 Method and device for handling uncontrolled combustion in an internal combustion engine of a motor vehicle |
| 01/05/2012 | DE102010025772A1 Pressure sensor for glow plug to measure pressure in e.g. engine control equipment, has measuring amplifier located on circuitry carrier, and insulator formed as insulator body, where circuitry carrier is placed on body |
| 01/05/2012 | DE102007034946B4 Drucksensor Pressure sensor |
| 12/29/2011 | DE102011051048A1 Detektor für die Wellenform eines Krafstoffdrucks Detector for the waveform of a Krafstoffdrucks |
| 12/29/2011 | DE102010030404A1 Verfahren zum Betrieb einer Verbrennungskraftmaschine Method for operating an internal combustion engine |
| 12/28/2011 | CN102297744A 用于内燃机工作的方法 A method for the internal combustion engine |
| 12/22/2011 | WO2011159380A1 Magnetically coded pressure detection apparatus |
| 12/21/2011 | CN102288362A 一种振动叶片表面非定常压力测试系统及测试方法 A vibrating blade surface unsteady pressure test system and test methods |
| 12/20/2011 | US8079278 End effector for nano manufacturing |
| 12/20/2011 | CA2525020C A combustion state detecting apparatus for an engine |
| 12/15/2011 | WO2011153604A1 Internal fault indicator for electrical equipment |
| 12/15/2011 | US20110303187 Ignition timing controller for internal combustion engine |
| 12/15/2011 | CA2799862A1 Internal fault indicator for electrical equipment |
| 12/14/2011 | CN202075095U 爆震传感器 Knock Sensor |
| 12/07/2011 | EP2392060A2 Spark plug with integral combustion sensor and engine component therewith |
| 12/07/2011 | EP2392059A2 Spark plug with combustion sensor |
| 12/01/2011 | US20110290004 Apparatus for determining abnormal combustion in internal combustion engine |
| 11/30/2011 | CN202057450U 气瓶释放压力曲线测试装置 Release cylinder pressure curve test device |
| 11/30/2011 | CN101788365B 一种杆件径向力测量装置 To a bar of radial force measuring device |
| 11/30/2011 | CN101184980B 内燃机爆震判定设备 Combustion engine knock determination device |
| 11/17/2011 | DE102010051515A1 Halbleiterdrucksensor Semiconductor pressure sensor |
| 11/16/2011 | EP2032961B1 Device and method for determining knocking of internal combustion engine |
| 11/10/2011 | DE102009058930B4 Ventilvorrichtung für Verbrennungskraftmaschinen Valve device for internal combustion engines |
| 11/09/2011 | CN102239396A Method and apparatus for pressure measurement using fill tube |
| 11/09/2011 | CN102235934A Automobile engine knock sensor experiment rack and motor control circuit thereof |
| 11/09/2011 | CN102235933A Internal-combustion engine cylinder pressure sensor with insulation sleeve ring and metal ceramic electric heating unit |
| 11/09/2011 | CN102235932A Internal combustion engine cylinder pressure sensor with metal ceramic electric heating body |
| 11/09/2011 | CN101545433B Fuel injector with built-in fuel pressure sensor |
| 11/09/2011 | CN101258393B Device for pressure measurement |
| 11/07/2011 | DE202011051472U1 Einrichtung zur Druckmessung im Motorzylinder Means for measuring pressure in the engine cylinder |
| 11/02/2011 | CN101545432B Fuel pressure sensor/sensor mount assembly |
| 10/26/2011 | EP2381082A1 Method and device for controlling operation of an injection engine |
| 10/26/2011 | CN202018302U Initiating explosive device action pressure-temperature test instrument |
| 10/25/2011 | US8042381 Knocking determination apparatus and knocking determination method for internal combustion engine |
| 10/20/2011 | US20110257872 Knock determining device |
| 10/13/2011 | WO2011126433A1 System comprising pump, injector and regulator, with control signals to the pump which are based on calculated hose rigidities |
| 10/13/2011 | US20110247598 Internal combustion engine ignition controlling apparatus having ignition diagnosing function |
| 10/12/2011 | CN102216749A Method for correcting the drift of a pressure sensor signal |
| 10/06/2011 | WO2011123211A1 Resonant frequency based pressure sensor |
| 10/06/2011 | DE102011012722A1 Verfahren zur Detektion anomaler Verbrennung für einen Fremdzündungsmotor und Fremdzündungsmotor A method for detecting abnormal combustion of a spark-ignition engine and spark ignition engine |
| 10/06/2011 | CA2794456A1 Resonant frequency based pressure sensor |
| 10/05/2011 | CN102207039A Cylinder pressure sensor reset systems and methods |
| 10/05/2011 | CN101059367B Vibration sensor and vibration detection method |