| 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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| 05/08/2008 | DE102006057783B3 Window arrangement for use in combustion chamber wall of internal combustion engine, has camera arranged within pressure chamber, where outer surface of transparent area of combustion chamber is component of pressure chamber with fluid |
| 05/02/2008 | WO2008051108A1 Cylinder pressure test device |
| 04/30/2008 | EP1916508A2 Sensor interface circuitry having adjustable gain and Q, and method for adjusting sensor interface circuitry gain and Q. |
| 04/30/2008 | DE19960325B4 Schwingungsaufnehmer mit einer Druckhülse Vibration sensor with a pressure sleeve |
| 04/30/2008 | DE19937154B4 Verfahren zur saugrohrdruckgeführten geodätische Höhenerkennung bei einem Kraftfahrzeug Method for saugrohrdruckgeführten geodetic height detection in a motor vehicle |
| 04/30/2008 | CN100385222C Firing sensor |
| 04/23/2008 | CN101166960A Glow plug with integrated pressure sensor and body thereof |
| 04/17/2008 | WO2008043594A2 Pressure gauge |
| 04/17/2008 | US20080091335 Knock determining device and method for internal combustion engine |
| 04/17/2008 | DE102007049299A1 Verfahren und Systeme zur Analyse von Verbrennungsdynamiken in der Zeitdomäne Methods and systems for the analysis of combustion dynamics in the time domain |
| 04/17/2008 | DE102006049079A1 Druckmesseinrichtung Pressure measuring device |
| 04/16/2008 | EP1910793A1 Compensation arrangement and method for operation thereof |
| 04/16/2008 | CN101163945A Device for controlling charge of electrical battery in motor vehicle has measuring resistor which is arranged within pole recess of pole tap whereby mechanical stress is not transferred on measuring r |
| 04/09/2008 | CN101158611A Engines cylinder pressure sensor installation sealing structure |
| 04/08/2008 | US7356404 Knock determination apparatus and method for engines |
| 03/27/2008 | DE102007042439A1 Drucksensor mit druckempfindlicher Membran Pressure sensor with pressure sensitive membrane |
| 03/27/2008 | DE102007042100A1 Drucksensor mit Membran zur Druckerfassung Pressure sensor with membrane for pressure sensing |
| 03/27/2008 | DE102007034946A1 Drucksensor Pressure sensor |
| 03/27/2008 | DE102006043700A1 Abtastung von Brennraumsignalen Scanning of the combustion chamber signals |
| 03/27/2008 | DE102006041124A1 Glow plug for diesel engine, has coil fixedly connected with connector at point that is spaced from heating rod, where coil is connected with glow plug body in region of connector if necessary |
| 03/26/2008 | EP1903322A2 Sensing circuit and method for diagnosing open and short circuit conditions of a sensor |
| 03/26/2008 | CN101151446A 双喷射型内燃机 Dual injection type internal combustion engine |
| 03/25/2008 | US7347081 Knock detecting apparatus and method for internal combustion engine |
| 03/20/2008 | US20080067165 Carbon-Deposit Protection System For A Sheathed-Element Glow Plug Having A Gas Conduit For Pressure Measurement |
| 03/20/2008 | DE10040959B4 Klopferfassungsvorrichtung Knock detection apparatus |
| 03/18/2008 | US7346447 Engine knock control for turbocharged engines |
| 03/13/2008 | WO2007062447A3 Method for analyzing the noise of an internal combustion engine |
| 03/12/2008 | EP1898075A1 Method for real-time estimation of combustion state indicators in an internal combustion engine |
| 03/12/2008 | EP1896818A1 Knocking determination device for internal combustion engine |
| 03/12/2008 | EP1896817A1 Knocking state determination device |
| 03/12/2008 | EP1896816A1 Knocking state determination device |
| 03/12/2008 | EP1896815A1 Knocking determination device for internal combustion engine |
| 03/12/2008 | CN201034782Y Fuel oil steam pressure sensor |
| 03/12/2008 | CN101139955A Compensating for varying fuel and air properties in an ion signal |
| 03/06/2008 | US20080059044 In-cylinder pressure detection device and method for internal combustion engine, and engine control unit |
| 03/06/2008 | DE102006040410A1 Combustion channel pressure signal determining device for e.g. diesel engine, has detecting unit directly arranged at gas exchange valve of chamber for detecting deformation or displacement produced by solid-borne sound of valve |
| 03/05/2008 | EP1895285A2 In-cylinder pressure detection device and method for internal combustion engine |
| 03/05/2008 | EP1893963A2 Sensor structure in particular for a harsh environment in a motor vehicle |
| 03/05/2008 | EP1030969B1 Fuel injection valve and pressure sensor combination |
| 03/05/2008 | CN101135276A In-cylinder pressure detection device and method for internal combustion engine |
| 03/04/2008 | US7340118 Fuel injectors with integral fiber optic pressure sensors and associated compensation and status monitoring devices |
| 02/28/2008 | WO2008024663A2 Combustion knock detection and control through statistical characterization of knock levels |
| 02/28/2008 | US20080051981 Combustion knock detection and control through statistical characterization of knock levels |
| 02/27/2008 | EP1891412A1 Integrated combustion chamber sensor |
| 02/26/2008 | US7334555 Stamped crankshaft seal retainer plate and molded encoder sensor support feature |
| 02/21/2008 | DE102007035013A1 Sensor arrangement for use in combustion chamber, has supporting tube connected with sensor holder, such that sensor is pressed against passage of holder, and adapter working as spring and arranged between sensor and supporting tube |
| 02/21/2008 | DE102007000322A1 Vorrichtung und Verfahren zum Steuern einer Zündzeitgebung für eine Brennkraftmaschine Apparatus and method for controlling an ignition timing for an internal combustion engine |
| 02/20/2008 | CN101128723A Component for piezoelectric force or pressure sensors, held together by an electrically insulating film |
| 02/14/2008 | WO2008017602A1 Method and device for determining a pressure in the combustion chamber of an internal combustion engine |
| 02/14/2008 | DE102006037235A1 Verfahren und Vorrichtung zur Bestimmung eines Drucks im Brennraum einer Brennkraftmaschine Method and apparatus for determining a pressure in the combustion chamber of an internal combustion engine |
| 02/13/2008 | CN100368788C 爆震传感器 Knock Sensor |
| 02/13/2008 | CN100368668C Throttle body |
| 02/07/2008 | US20080028841 Device for Detecting the Combustion-Chamber Pressure in an Internal Combustion Engine |
| 02/06/2008 | CN201016832Y Firedamp pressure testing information integration system |
| 02/06/2008 | CN201016830Y Fast connecting type pressure sensing device |
| 02/06/2008 | CN100367021C Knocking sensor for internal combustion engine and manufacturing method of the same |
| 01/31/2008 | WO2008012162A1 Pressure measuring sensor |
| 01/31/2008 | DE19517676B4 Drucksensor für eine Brennkraftmaschine mit einem Ansaugrohr Pressure sensor for an internal combustion engine having an intake pipe |
| 01/31/2008 | DE102007000337A1 Verbrennungsdrucksensor Combustion pressure sensor |
| 01/30/2008 | EP1882170A1 Pencil type glow plug with combustion chamber pressure sensor |
| 01/29/2008 | US7322247 Gasket having a fiber-optic pressure sensor assembly |
| 01/24/2008 | DE102006033638A1 Druckmesseinrichtung Pressure measuring device |
| 01/23/2008 | EP1881315A2 Pressure gauge device |
| 01/23/2008 | EP1880180A1 Internal combustion engine knock determination device |
| 01/23/2008 | EP1879510A1 Occlusion detector for dual-port surgical tourniquet systems |
| 01/23/2008 | CN101111752A Knock determination apparatus and method for engines |
| 01/17/2008 | DE102006032551A1 Druckmesseinrichtung Pressure measuring device |
| 01/16/2008 | EP1879006A2 Pressure gauge device |
| 01/10/2008 | WO2008003846A1 Spark plug incorporating a pressure sensor |
| 01/09/2008 | EP1875187A1 Internal combustion engine knock determination device |
| 01/03/2008 | WO2008001939A1 Device and method for determining knocking of internal combustion engine |
| 01/03/2008 | WO2006099157A3 Real-time spectral analysis of internal combustion engine knock |
| 01/03/2008 | US20080003926 Method of Grinding Multilayer Body and Method of Manufacturing Solid State Image Pickup Device |
| 01/03/2008 | DE102007024202A1 Sensor particularly knocking sensor for internal combustion engines, has housing part, which has hollow space for admission of contact pin with sensor element, and sensor element is sealed inside housing part over fastening element |
| 01/02/2008 | EP1872090A1 Measurement system for measuring cylinder pressure in an internal combustion engine |
| 12/27/2007 | DE19913092C5 Zylinderkopfdichtung Cylinder head gasket |
| 12/27/2007 | DE102006001271B4 System zur Bestimmung des Verbrennungsbeginns bei einer Brennkraftmaschine A system for determining the start of combustion in an internal combustion engine |
| 12/27/2007 | DE102004004162B4 Verfahren und Vorrichtung zur Bestimmung einer Verbrennungsgröße eines Verbrennungsvorgangs Method and apparatus for determining a combustion quantity of the combustion process |
| 12/26/2007 | CN100357582C Method for checking the operability of an ambient pressure sensor of an internal combustion engine |
| 12/25/2007 | US7310993 Pressure sensor apparatus for measuring pressures including knock conditions in engine cylinders |
| 12/20/2007 | US20070289370 Combustion pressure sensor |
| 12/13/2007 | WO2007142348A1 Knock determination device and method for internal combustion engine |
| 12/11/2007 | US7305867 Engine knock sensor |
| 12/06/2007 | US20070277617 Pressure Sensor |
| 12/06/2007 | US20070277591 Abnormality determination device of cylinder pressure sensor |
| 12/06/2007 | DE102006037398A1 Verfahren und Vorrichtung zur indirekten Ermittlung des Zylinderdrucks von Kolbenmaschinen Method and device for indirect determination of the cylinder pressure piston engines |
| 12/06/2007 | DE102006024956A1 Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine Method and device for operating an internal combustion engine |
| 12/05/2007 | CN101084423A Knock determination device for internal combustion engine |
| 11/29/2007 | DE102006047347A1 Drucksensor Pressure sensor |
| 11/27/2007 | US7299680 Knocking detection |
| 11/22/2007 | WO2007022324A3 Vehicle exhaust dilution and dispersion device |
| 11/21/2007 | EP1856497A1 Component for piezoelectric force or pressure sensors, held together by an electrically insulating film |
| 11/15/2007 | DE10350857B4 Vorrichtung zur Zylinder-Identfizierung über das Ionisierungssignal eines Zündfunkens nach erfolgter Teilladung einer Zündspüle Device for cylinder Identfizierung on the ionization of a spark after partial charge a Zündspüle |
| 11/14/2007 | CN100348960C Pressure sensor having integrated temperature sensor |
| 11/13/2007 | US7295916 Method and device for detecting knocking |
| 11/06/2007 | US7292926 Method and device for estimation of combustion chamber pressure |
| 11/06/2007 | CA2327915C Process and fixture for ascertaining pressure losses |
| 10/31/2007 | EP1848974A1 Knock determination device for internal combustion engine |
| 10/31/2007 | CN100346147C Knock detecting apparatus and method for internal combustion engine |
| 10/25/2007 | US20070245818 Method for internal combustion engine control using pressure ratios |