Patents for G01L 27 - Testing or calibrating of apparatus for measuring fluid pressure (2,533) |
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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 |
12/06/2001 | DE10025470A1 Permeability i.e. leakage inspection method for liquid or gas pipelines, involves using manometer for measuring temperature-dependent pressure change of liquid or gas in pipeline |
12/05/2001 | EP1159522A1 Method for determining the pressure prevailing in a fuel injection ramp of an internal combustion engine and corresponding device |
11/27/2001 | US6321585 Differential pressure generator |
11/21/2001 | EP1155298A1 Method and apparatus for checking sensors |
11/21/2001 | EP0835430B1 Gravity-induced diaphragm deflection for pressure measurement |
11/07/2001 | CN2458610Y Portable medical intelligent vacuum-meter check meter |
10/31/2001 | DE10018493C1 Dynamic calibration device for piezoelectric pressure sensor uses signal from reference pressure sensor for regulating pressure in fluid-filled pressure chamber used for calibration |
10/18/2001 | WO2001077768A2 Differential pressure generator |
10/17/2001 | EP1146327A2 Pressure measurement instrument |
10/11/2001 | US20010027677 Differential pressure generator |
10/10/2001 | EP1141671A1 Isolated calibration adapter for sterile pressure transducer |
09/26/2001 | CN2450652Y Water pressure sensor testing device |
09/20/2001 | DE10112530A1 Pressure sensor for common rail fuel lines has sealing lip on flat seating improves sealing pressure distribution |
09/20/2001 | DE10110060A1 Pressure sensor monitoring process for vehicle brake system involves creating system pressure in isolated circuit, applying pressure wave to sensor and comparing values |
09/18/2001 | US6289718 Arrangement for detecting a gaseous component in a gas flow |
09/13/2001 | US20010020382 Drift detection method for a control apparatus controlling an injection molding machine |
08/29/2001 | CN2445314Y Hand piston manometer fitted with supercharger |
08/28/2001 | US6279373 Automatic reference-pressure balance method |
08/16/2001 | US20010013773 Configuration with a plurality of sensor groups and method of determining its intactness |
08/09/2001 | DE10003906A1 Fuel dosing system pressure sensor calibrating process, involving using pressure in high-pressure zone as reference pressure |
08/07/2001 | CA2200237C Failure diagnosis controller of pressure sensor |
08/02/2001 | WO2001055573A2 Method and device for calibrating a pressure sensor |
07/25/2001 | CN2440207Y Gas-liquid two-phase medium pressure checking device |
07/12/2001 | DE10000133A1 Prober für Drucksensoren Prober for pressure sensors |
07/11/2001 | EP1114988A2 Testing device for pressure sensors |
07/10/2001 | US6257050 Evaporative fuel leak diagnosing apparatus |
06/21/2001 | WO2001043997A1 Calibration of a transponder for a tire pressure monitoring system |
06/21/2001 | DE19959678A1 Course inspection of characteristic curve of sensor involves adjusting sensor offset by zero value of input value and monitoring output quantity at reference point to detect change in characteristic curve |
05/31/2001 | WO2000055105A3 Explosive shear wave energy source |
05/29/2001 | US6237394 Apparatus and method for correcting drift in a sensor |
05/24/2001 | CA2326632A1 Method and system for testing emergency water system pressure |
05/22/2001 | US6234148 Method and device for monitoring a pressure sensor |
05/10/2001 | DE10050511A1 Pressure sensor with control device for measuring fluid pressure, has source current adjuster which alters value of source current flowing through DC input connections, according to different types of pressure sensor elements |
05/09/2001 | EP1097353A1 System comprising a plurality of sensor groups and method for determining the intactness of same |
05/02/2001 | CN1293357A Prssure, sensor, pressure sensor control device and pressure sensor system |
04/12/2001 | DE10027096A1 Sensorvorrichtung Sensor device |
04/11/2001 | CN1291279A Tensile testing sensor for measuring mechanical jamming deformations on first installation and automatic calibrating based on said jamming |
04/05/2001 | WO2000055593A3 Sensor |
03/29/2001 | DE19938868A1 Manufacturing method for sensor device used in combustion engine intake manifold |
03/21/2001 | EP1085310A1 Transmitter |
03/08/2001 | WO2001016571A1 Prediction of error magnitude in a pressure transmitter |
02/27/2001 | US6192866 Diagnosis for detecting freezing condition in intake pressure sensor |
02/20/2001 | CA2201372C Apparatus and method for use in testing gas pressure reduction equipment |
02/07/2001 | CN1282657A Adjusting method of pressure sensor zero point of injection device and its adjusting apparatus |
01/31/2001 | EP1073077A2 Method of operating a signal sensor like a switch element |
01/31/2001 | EP1072387A2 Method and apparatus for adjusting zero point of a pressure sensor of an injection apparatus |
01/25/2001 | DE19934829A1 Verfahren zum Betreiben eines Signalsensors sowie eines Schaltelementes Method for operating a sensor signal and of a switching element |
01/25/2001 | DE19931227A1 Testing and/or calibrating method for differential pressure measuring system uses short-term isolation of air pressure measuring surfaces of pressure sensors from ambient air for application of test pressure |
01/11/2001 | WO2001002720A1 Method and arrangement for sensor diagnosis |
12/27/2000 | CN1278329A Strain gauge strip and applications thereof |
12/14/2000 | DE10020064A1 Drucksensor Pressure sensor |
12/06/2000 | EP1058103A2 Mechanical to electrical pressure transducer with magnetic field sensitive detector |
12/06/2000 | EP1056985A1 Tensile testing sensor for measuring mechanical jamming deformations on first installation and automatic calibrating based on said jamming |
11/02/2000 | DE19913527A1 Compensating for variation of measured values from a melt pressure sensor in an injection molding machine by analyzing the pressure-time curve to ascertain when the tangent slope is zero |
10/24/2000 | US6134969 Automatically compensatable device for measuring a pressure difference |
10/17/2000 | US6134281 Method and apparatus for calibration of a signal processing system utilizing digital down converters |
09/21/2000 | WO2000056132A1 Low stress die attachment |
09/21/2000 | WO2000055652A1 Calibration of sensors |
09/21/2000 | WO2000055648A1 Hydrophone assembly |
09/21/2000 | WO2000055646A1 Accelerometer transducer used for seismic recording |
09/21/2000 | WO2000055638A1 Sensor design and process |
09/21/2000 | WO2000055593A2 Sensor |
09/21/2000 | WO2000055577A1 Integrated and multi-axis sensor assembly and packaging |
09/21/2000 | WO2000055486A1 Method for determining the pressure prevailing in a fuel injection ramp of an internal combustion engine and corresponding device |
09/21/2000 | WO2000055105A2 Explosive shear wave energy source |
09/21/2000 | CA2365886A1 Calibration of sensors |
09/21/2000 | CA2365868A1 Hydrophone assembly |
09/13/2000 | CN1056446C Fault diagnostic controller for pressure sensor |
08/31/2000 | WO2000050848A1 Apparatus and method for correcting sensor drift |
08/30/2000 | EP1031779A2 Apparatus and method for use in testing gas pressure reduction equipment |
08/23/2000 | EP1029225A1 A strain gauge strip and applications thereof |
08/09/2000 | EP0831313B1 Air pack type contact pressure measuring method |
08/03/2000 | WO2000008432A9 Pressure measuring device |
07/27/2000 | DE19860500A1 Pressure measurement arrangement corrects second sensor output based on sensor outputs so calibrated output is essentially equal to that of first sensor in pressure overlap region |
07/20/2000 | WO2000042407A1 Isolated calibration adapter for sterile pressure transducer |
07/20/2000 | WO2000042406A1 Method and apparatus for checking sensors |
07/13/2000 | DE19857193A1 Device for adjustment of pressure sensors has needle valve between high pressure pump and aggregate |
06/27/2000 | US6081121 Ionization gauge and method of using and calibrating same |
06/14/2000 | CN1053499C Correction of pressure transducer |
05/30/2000 | US6069326 Hand held measurement instrument with touch screen display |
03/21/2000 | US6040779 Method and circuit for monitoring the functioning of a sensor bridge |
03/21/2000 | US6038912 Failure detection system of pressure sensor |
03/08/2000 | EP0984257A1 Autocalibrating device for measuring differential pressure |
02/29/2000 | US6029524 Transducer having redundant pressure sensors |
02/17/2000 | WO2000008432A2 Pressure measuring device |
02/10/2000 | DE19833991A1 Arrangement for detecting gaseous component in gas flow, e.g. alcohol in breath; has choke in sample extraction line, pressure sensor on upstream side of choke, flow detector for generating null flow signal |
02/02/2000 | EP0975942A1 Method and device for monitoring the operation of a pressure sensor |
01/27/2000 | WO2000004342A1 System comprising a plurality of sensor groups and method for determining the intactness of same |
01/26/2000 | EP0974681A1 Method and apparatus for calibrating the gas pressure in a vacuum working chamber (vacuum coating chamber or recipient) |
01/05/2000 | EP0968406A1 Differential pressure transmitter with highly accurate temperature compensation |
12/29/1999 | EP0967462A1 Bridge sensor and verification method |
12/22/1999 | CN2355316Y Calbrator for sphygmomanometers |
11/24/1999 | CN1236433A Fluid pressure sensing unit incorporating diaphragm deflection sensing array |
10/12/1999 | US5965822 Calibration feature for a pressure gauge |
09/29/1999 | EP0909378A4 A system and method for high accuracy calibration of a sensor for offset and sensitivity variation with temperature |
09/02/1999 | DE19806753A1 Error indicator for sensor comprising Wheatstonebridge |
09/01/1999 | CN2336352Y Box truck for loading and transporting piston manometer |
08/25/1999 | CN2335136Y Pressure generator for pressure calibrating |
08/19/1999 | WO1999041565A1 Tensile testing sensor for measuring mechanical jamming deformations on first installation and automatic calibrating based on said jamming |