| 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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| 04/17/2007 | US7206691 Internal combustion engine knock determination device |
| 04/17/2007 | US7204133 Method and apparatus for detecting combustion instability in continuous combustion systems |
| 04/12/2007 | WO2007040447A1 Method and system for knock detection |
| 04/12/2007 | DE102005046782A1 Establishing the atmospheric pressure, for a vehicle internal combustion motor, takes the pressure at the air intake for a reference pressure together with the vehicle barometric height from the navigation system |
| 04/11/2007 | EP1771712A1 Knocking determining apparatus of internal combustion engine |
| 04/11/2007 | CN1945249A Methods and apparatus for sensing pressure |
| 04/10/2007 | US7201038 Knock sensor and manufacturing method thereof |
| 04/05/2007 | DE4419138B4 Hochtemperaturdrucksensor High temperature pressure sensor |
| 04/05/2007 | DE202007001606U1 Druckmessvorrichtung für Motorblöcke von Kraftfahrzeugen Pressure gauge for engine blocks of motor vehicles |
| 04/04/2007 | CN1308663C Pressure sensor having diaphragm |
| 04/03/2007 | US7197913 Low cost circuit for IC engine diagnostics using ionization current signal |
| 03/29/2007 | US20070068261 Pressure sensor |
| 03/29/2007 | DE102006000312A1 Zündzeitsteuerungsvorrichtung für eine Brennkraftmaschine Ignition timing control device for an internal combustion engine |
| 03/28/2007 | EP1767916A2 Pressure transducer package for a manifold |
| 03/22/2007 | WO2007032259A1 Piezoelectric sensor |
| 03/22/2007 | WO2007032244A1 Knock determination apparatus and method for engines |
| 03/22/2007 | US20070067091 Knock determination apparatus and method for engines |
| 03/20/2007 | US7193183 Glow plug connector and system with a coupling, glow plug connector and glow plug |
| 03/20/2007 | US7191658 Pressure-detecting device and method of manufacturing the same |
| 03/15/2007 | WO2007030053A1 Device for pressure measurement |
| 03/15/2007 | DE102005043688A1 Combustion chamber pressure measuring device for motor vehicle, has power transmission unit that is adjustable axially in casing body, where power transmission unit stays in working connection with sensor diaphragm of force sensor |
| 03/15/2007 | DE102005042667A1 Pressure measuring device for measuring very high fluid pressure, has sensor element and two application surfaces which connected by deformable bridge element and to which the force applied by piston element and counter force add |
| 03/14/2007 | EP1034416B2 Method for evaluating the march of pressure in a combustion chamber |
| 03/07/2007 | CN1303409C Knocking sensor mounting structure for IC engine and knocking sensor for IC engine |
| 03/06/2007 | US7188023 Misfire detection system for displacement on demand (DOD) engine |
| 03/01/2007 | DE102005040768A1 Injection rate control method for fuel injection system of internal combustion engines involves considering variation in temperature distribution of fluid in measuring tube when determining correction value |
| 02/28/2007 | CN1302270C Pressure sensor having sensor chip and signal processing circuit mounted on a common stem |
| 02/22/2007 | US20070039592 Arrangement with an injection valve and a sleeve as pressure transfer means |
| 02/22/2007 | DE102006027710A1 Verfahren und Vorrichtung zur indirekten Messung eines Motorzylinderdrucks Method and apparatus for the indirect measurement of an engine cylinder pressure |
| 02/21/2007 | EP1754001A1 Coking protection for a pencil-type glow plug with a gas channel for pressure measurement |
| 02/21/2007 | EP1092135B1 Spark plug with concentric pressure sensor |
| 02/20/2007 | US7181339 Real-time spectral analysis of internal combustion engine knock |
| 02/20/2007 | US7181338 Knock determining apparatus for internal combustion engine |
| 02/15/2007 | US20070034027 Measuring sensor comprising a pre-stressing device |
| 02/15/2007 | US20070033997 Method for operating an internal combustion engine |
| 02/15/2007 | DE102005035062A1 Device for measuring combustion chamber pressure of internal combustion engine has housing cover of heater plug provided for transmission of combustion chamber pressure to pressure measuring element |
| 02/14/2007 | EP1752640A1 Throttle system and sensor unit |
| 02/08/2007 | US20070032939 Determining engine cylinder contribution from indexed engine data |
| 02/07/2007 | CN1908608A Dsp-based engine knock detection including knock sensor and circuit diagnostics |
| 02/06/2007 | US7174251 Knocking detection apparatus and detecting method |
| 02/06/2007 | US7171846 In-cylinder pressure detection device |
| 02/01/2007 | WO2007013795A1 Compensation arrangement and method for operation thereof |
| 01/31/2007 | EP1748175A1 Device and method for determining trouble of cylinder pressure sensor |
| 01/31/2007 | CN1904348A Device for detecting combustion chamber pressure of internal-combustion engine |
| 01/30/2007 | US7171302 Determining engine cylinder contribution from indexed engine data |
| 01/30/2007 | US7168326 Compact pressure sensor with high corrosion resistance and high accuracy |
| 01/25/2007 | WO2007010958A1 Knock determining apparatus |
| 01/24/2007 | EP1746270A1 Turbine nozzle segment, turbine nozzle, turbine, and gas turbine engine |
| 01/18/2007 | US20070016387 Knock determining apparatus |
| 01/18/2007 | US20070012090 Knocking determination device for internal combustion engine |
| 01/18/2007 | DE102005032862A1 Anordnung zur Messung der Änderung einer mechanischen Belastung an Volumenelementen und Verfahren zur direkten Ermittlung der Änderung der mechanischen Belastung an einem Volumenelement An arrangement for measuring the change of a mechanical load to volume elements and methods for the direct determination of the change in the mechanical load on a volume element |
| 01/17/2007 | EP1744140A2 An improved apparatus for correcting electrical signals |
| 01/11/2007 | WO2007004597A1 Knocking determination device for internal combustion engine |
| 01/11/2007 | WO2007004451A1 Knocking determination device for internal combustion engine |
| 01/11/2007 | US20070006641 Pressure sensor |
| 01/09/2007 | US7162397 Decoding an alternator output signal |
| 01/09/2007 | US7159448 Combustion-chamber pressure sensor having a metallic diaphragm containing a piezoresistive, thin metallic layer |
| 01/04/2007 | WO2007001064A1 Knocking state determination device |
| 01/04/2007 | WO2007001040A1 Knocking state determination device |
| 01/04/2007 | US20070000307 Knocking determination device for internal combustion engine |
| 01/04/2007 | US20070000306 Method for determining the energy of a knock signal for an internal combustion engine |
| 01/03/2007 | EP1738148A2 Internal combustion engine knock determination device and ignition control system including the same |
| 01/03/2007 | EP1623200B1 Method for determining the energy of a knock signal for an internal combustion engine |
| 12/27/2006 | EP1736656A1 Method for determining and regulating the crank angle position of a crankshaft of a four-stroke internal combustion engine |
| 12/26/2006 | US7152483 High pressure sensor comprising silicon membrane and solder layer |
| 12/26/2006 | US7152482 Piezoelectric sensor and input device including same |
| 12/21/2006 | US20060287785 Decoding an alternator output signal |
| 12/13/2006 | EP1731890A1 Method and apparatus for calibrating the gain of a cylinder pressure sensor of an internal combustion engine |
| 12/13/2006 | EP1731739A1 Pressure sensor for fuel injection device |
| 12/12/2006 | WO2006134151A2 Sensor structure in particular for a harsh environment in a motor vehicle |
| 12/12/2006 | US7146847 Knock sensor for an internal combustion engine |
| 12/07/2006 | WO2006128755A1 Integrated combustion chamber sensor |
| 12/07/2006 | DE102005025115A1 Integrierter Brennraumdrucksensor Integrated combustion chamber pressure sensor |
| 11/29/2006 | EP1725849A1 Device for detecting the combustion chamber pressure in an internal combustion engine |
| 11/29/2006 | EP1725848A1 Device for detecting the combustion chamber pressure in an internal combustion engine |
| 11/29/2006 | EP1417466B1 Optical device for measuring pressure or force |
| 11/28/2006 | US7142034 Charge signal converting amplifier |
| 11/23/2006 | US20060260569 V-quad engine and method of constructing same |
| 11/22/2006 | EP1535036B1 Detonation sensor |
| 11/21/2006 | US7137385 Device to provide a regulated power supply for in-cylinder ionization detection by using the ignition coli fly back energy and two-stage regulation |
| 11/16/2006 | WO2006120049A1 Pencil type glow plug with combustion chamber pressure sensor |
| 11/16/2006 | DE102005021229A1 Glühstiftkerze mit Brennraumdrucksensor Glow plug with combustion chamber pressure sensor |
| 11/15/2006 | EP1722212A1 An in-cylinder pressure detecting apparatus and method |
| 11/09/2006 | WO2006118296A1 Internal combustion engine knock determination device |
| 11/09/2006 | DE19728381B4 Verfahren und Schaltung zur Funktionsüberwachung einer Sensorbrücke Method and circuit for monitoring the operation of a sensor bridge |
| 11/09/2006 | DE102006000196A1 Verbrennungsmotorklopfbestimmungsvorrichtung Internal combustion engine knocking determination device |
| 11/07/2006 | US7133765 Method for checking the operability of an ambient pressure sensor of an internal combustion engine |
| 11/02/2006 | WO2006115300A1 Internal combustion engine knock determination device |
| 11/02/2006 | US20060243030 Internal combustion engine knock determination device |
| 11/02/2006 | DE19622448B4 Verfahren zur Erkennung von Verbrennungsaussetzern Method for detecting combustion misfires |
| 11/02/2006 | DE102005018938A1 Pressure sensor, for hot media used in internal combustion engine of motor vehicle, has measuring component in high thermal region of flexible component, and conductive strips for connecting measuring component to electronic evaluating unit |
| 10/28/2006 | CA2541746A1 Compression tester adapter apparatus and method |
| 10/26/2006 | WO2006110935A1 Measurement system for measuring cylinder pressure in an internal combustion engine |
| 10/26/2006 | US20060236754 Internal combustion engine knock determination device |
| 10/26/2006 | US20060236753 Internal combustion engine knock determination device |
| 10/26/2006 | DE102006013413A1 Halbleitervorrichtung und Verfahren zur Temperaturerfassung unter Verwendung derselben A semiconductor device and method of temperature detection using the same |
| 10/25/2006 | CN2831071Y Deflagration monitoring system of diesel engine |
| 10/19/2006 | WO2006108939A2 Glow plug with integrated pressure sensor and body thereof |
| 10/17/2006 | US7124020 System for calibrating apparatus for acquiring the pressure in a motor vehicle diesel engine cylinder |
| 10/11/2006 | EP1518098B1 High-pressure sensor comprising silicon membrane and solder layer |