| 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) |
|---|
| 01/17/2002 | US20020005060 Circuit arrangement for interference-free signal evaluation |
| 01/16/2002 | EP1057037B1 Knock sensor with low sensitivity dispersion |
| 01/15/2002 | US6338267 System for rejecting noise in ignition knock data |
| 01/10/2002 | US20020003917 Micromachined, etalon-based optical fiber pressure sensor |
| 01/09/2002 | EP0998664B1 Method and device for determing gas pressure and temperature in an hollow space |
| 01/08/2002 | US6336355 Combustion condition detecting apparatus for an internal combustion engine |
| 01/03/2002 | DE10064088A1 Klopfsteuervorrichtung für eine Brennkraftmaschine A knock control device for an internal combustion engine |
| 01/01/2002 | US6334353 Knock detection apparatus for an internal combustion engine |
| 12/26/2001 | CN1328252A Measurer for explosion pressure of diesel engine |
| 12/20/2001 | US20010052337 Signal processing device for piezoelectric sensor |
| 12/20/2001 | US20010052336 Knock control apparatus for internal combustion engine |
| 12/13/2001 | DE10028885A1 Pressure detection method of combustion chamber in internal combustion engine, involves correcting combustion operation sensor signal using correction signal, for outputting information on combustion chamber pressure |
| 12/12/2001 | EP1162468A2 Acceleration sensor |
| 12/12/2001 | EP1162467A2 Acceleration sensor |
| 12/12/2001 | EP1162442A1 Signal processing device for piezoelectric sensor with differentiating and integrating circuits |
| 12/12/2001 | EP0948783B1 Circuit arrangement for interference-free signal evaluation |
| 12/12/2001 | CN2465169Y Liquid dangerous article presure test instrument |
| 12/06/2001 | US20010047690 Acceleration sensor |
| 12/06/2001 | US20010047686 Acceleration sensor |
| 12/05/2001 | CN1325523A Rate of rise detector for use with explosion detection and suppression equipment |
| 12/05/2001 | CA2349657A1 Acceleration sensor |
| 12/04/2001 | US6324903 Apparatus and method for detecting atmospheric pressure in an internal combustion engine |
| 11/30/2001 | CA2349270A1 Acceleration sensor |
| 11/22/2001 | US20010042398 Method of error detection during evaluation of sensor signals |
| 11/21/2001 | EP0811151B1 Sealing unit for a fuel pressure sensor |
| 11/20/2001 | US6318342 Fuel injection valve and pressure sensor combination |
| 11/15/2001 | DE10021647A1 Abtastverfahren für Drucksensoren bei druckbasierter Füllungserfassung Scanning for pressure sensors for pressure-based charge detection |
| 11/15/2001 | DE10021644A1 Sampling mode switching method for pressure sensor for IC engine air intake responsive to engine rev range |
| 11/14/2001 | CN1322295A Method for detecting knocking |
| 11/08/2001 | WO2001083968A1 Scanning method for pressure sensors used in the pressure-based detection of filling levels |
| 11/08/2001 | DE10021913A1 Error detection during evaluation of knock sensor signals in internal combustion engine involves forming at least one of the upper and lower thresholds based on preceding reference evaluation |
| 11/08/2001 | DE10018265A1 Measurement arrangement for internal combustion engine has gauges that convert cylinder pressure limited deformations of motor components to cylinder pressure proportional signals available for motor control |
| 11/06/2001 | US6311672 Device for controlling the knocking of an internal combustion engine |
| 10/31/2001 | CN2457587Y Insulation gas pressure monitor |
| 10/25/2001 | DE10018623A1 High pressure sensor for measuring pressure of fluid inside component e.g. for motor vehicle diesel engine |
| 10/24/2001 | EP1015855A4 Fuel injectors with integral fiber optic pressure sensors and associated compensation and status monitoring devices |
| 10/23/2001 | US6305228 Pressure sensor device and suction release apparatus |
| 10/18/2001 | DE10044474A1 Adapter for attachment of a standard vibration or knocking sensor to a combustion engine with a non-standard borehole or thread for the sensor, has two threaded regions for receiving the sensor and attaching to the engine |
| 10/17/2001 | CN1073211C Pressure sleeve with thread ring |
| 10/16/2001 | US6301957 Fiber-optic cylinder pressure sensor |
| 10/09/2001 | US6299349 Pressure and temperature sensor |
| 09/26/2001 | EP1135756A1 Rate of rise detector for use with explosion detection and suppression equipment |
| 09/20/2001 | DE10112530A1 Pressure sensor for common rail fuel lines has sealing lip on flat seating improves sealing pressure distribution |
| 09/19/2001 | EP1134385A2 Installation structure of engine component with combustion pressure sensor in engine |
| 09/13/2001 | US20010020384 Vibration pickup with pressure sleeve |
| 09/13/2001 | DE10009169A1 Schwingungsaufnehmer mit einer Druckhülse Vibration sensor with a pressure sleeve |
| 09/05/2001 | EP1130254A1 Detecting knock in an internal combustion engine with ionic current peak value correction |
| 08/30/2001 | US20010018380 Control unit for a motor vehicle |
| 08/30/2001 | US20010017564 Circuit and a method for extending the output voltage range of an integrator circuit |
| 08/30/2001 | US20010017051 Method of detecting a knock in an internal combustion engine by means of ionic current |
| 08/29/2001 | CN1310293A Method for detecting sudden and violent vibration in internal combustion engine with ion flow |
| 08/28/2001 | US6279536 Method for knock regulation in an internal combustion engine |
| 08/28/2001 | US6279395 Annual shear element with radial preload |
| 08/28/2001 | US6279381 Vibration pickup with pressure sheath |
| 08/23/2001 | US20010015402 Installation structure of engine component with combustion pressure sensor in engine |
| 08/23/2001 | US20010015198 Knock control apparatus and method for engines |
| 08/23/2001 | US20010015090 Pressure monitor |
| 08/22/2001 | EP1126261A2 Knock control apparatus and method for engines |
| 08/22/2001 | CN1309764A Fiber-optic pressure sensor, variants and method for producing resilient membrane |
| 08/21/2001 | US6276319 Method for evaluating the march of pressure in a combustion chamber |
| 08/16/2001 | EP1124122A2 Crank drive sensor |
| 08/14/2001 | US6273064 Controller and control method for an internal combustion engine using an engine-mounted accelerometer |
| 08/14/2001 | US6272913 Apparatus for detecting the pressure and temperature in the intake tube of an internal combustion engine, and method for producing it |
| 08/09/2001 | US20010011478 Control device in a motor vehicle and a method of attaching a pressure sensor used by the control device |
| 08/09/2001 | DE10102060A1 Zylinderkopf für eine Brennkraftmaschine Cylinder head for an internal combustion engine |
| 08/09/2001 | DE10006235C1 Crank-drive mechanism for internal (IC) combustion engine - uses piezoresitive or capacitive strain-sensor or surface- wave component as force-sensor mounted on push-rod |
| 08/09/2001 | DE10003214A1 Verfahren und Einrichtung zur Schätzung des Ein- und Auslaßkanaldrucks im Verbrennungsmotor Method and apparatus for estimating the inputs and Auslaßkanaldrucks in the internal combustion engine |
| 08/09/2001 | DE10001487A1 Verfahren und Vorrichtung zur Überwachung und/oder Steuerung und/oder Regelung von Brennkraftmaschinen Method and apparatus for monitoring and / or control and / or regulation of internal combustion engines |
| 08/02/2001 | US20010011204 Apparatus for knock detection with digital signal analysis and method of detecting knock using same |
| 08/02/2001 | DE10004166A1 Vorrichtung zur Klopferkennung mit digitaler Signalauswertung Device for knock detection in digital signal processing |
| 08/01/2001 | EP1120638A1 Spark plug with engine cylinder pressure sensor |
| 07/31/2001 | US6267100 Device for suppressing engine knocking in internal combustion engines |
| 07/24/2001 | US6263727 Make voltage bias ion sense misfired detection system |
| 07/19/2001 | US20010008090 Combustion pressure sensor |
| 07/19/2001 | DE10044482A1 Vibration pick=up, has jamming element that keeps the shaft of a screw within the bore of the pick=up |
| 07/19/2001 | DE10044480A1 Vibration pick=up for internal combustion engine, has pressure sheath provided with blocking element that is protruded from internal peripheral surface of central bore |
| 07/18/2001 | EP1116946A2 Controlling an internal combustion engine using an engine-mounted acceleratometer |
| 07/18/2001 | EP1116016A1 Pressure sensor |
| 07/12/2001 | WO2001050098A1 System and method for detecting and warning of potential failure of rotating and vibrating machines |
| 07/05/2001 | WO2001048364A1 Intake pressure sensing device for internal combustion engine |
| 07/05/2001 | US20010006004 Method for determining the top dead centre of an internal combustion engine |
| 07/04/2001 | EP1113254A1 A circuit and a method for extending the output voltage range of an integrator circuit |
| 06/28/2001 | DE19962334A1 Method for measuring a sensor signal where extraneous high frequency components are to be filtered out is achieved in a software manner without the need for analogue filters, especially for measuring engine supercharger pressure |
| 06/27/2001 | EP1111361A2 Combustion pressure sensor |
| 06/27/2001 | EP1111360A2 Combustion pressure sensor device |
| 06/21/2001 | WO2001044772A1 Vibration pickup comprising a clamping sleeve |
| 06/21/2001 | WO2001044771A1 Vibration pickup comprising a pressure sleeve |
| 06/21/2001 | WO2001044756A2 Vibration sensor with a pressure housing |
| 06/21/2001 | DE19961299A1 Knock detector for internal combustion engine has surface micromechanical acceleration sensor element with two capacitors, where capacitance variation can be used to detect knocking |
| 06/21/2001 | DE19960328A1 Schwingungsaufnehmer mit einer Druckhülse Vibration sensor with a pressure sleeve |
| 06/21/2001 | DE19960325A1 Schwingungsaufnehmer mit einer Druckhülse Vibration sensor with a pressure sleeve |
| 06/21/2001 | DE19960324A1 Schwingungsaufnehmer mit einer Druckhülse Vibration sensor with a pressure sleeve |
| 06/20/2001 | EP1109001A2 Procedure for determining the top dead centre of a combustion engine |
| 06/20/2001 | EP1108163A2 Control device in a motor vehicle |
| 06/19/2001 | US6247351 Vibration pickup with a pressure sleeve |
| 06/13/2001 | EP0742905B1 Accelerometric sensor for measuring pinking in an internal combustion engine |
| 06/12/2001 | US6246952 Engine control signal processing system with frequency analysis by fourier transform algorithm |
| 06/07/2001 | US20010002587 Method for evaluating the march of pressure in a combustion chamber |
| 06/05/2001 | US6240900 Individual knock threshold |
| 05/25/2001 | WO2001036930A1 Method and apparatus for pressure measurement |