Patents
Patents for G01L 27 - Testing or calibrating of apparatus for measuring fluid pressure (2,533)
12/2001
12/13/2001DE10028885A1 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
12/06/2001DE10025470A1 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
12/05/2001EP1159522A1 Method for determining the pressure prevailing in a fuel injection ramp of an internal combustion engine and corresponding device
11/2001
11/27/2001US6321585 Differential pressure generator
11/21/2001EP1155298A1 Method and apparatus for checking sensors
11/21/2001EP0835430B1 Gravity-induced diaphragm deflection for pressure measurement
11/07/2001CN2458610Y Portable medical intelligent vacuum-meter check meter
10/2001
10/31/2001DE10018493C1 Dynamic calibration device for piezoelectric pressure sensor uses signal from reference pressure sensor for regulating pressure in fluid-filled pressure chamber used for calibration
10/18/2001WO2001077768A2 Differential pressure generator
10/17/2001EP1146327A2 Pressure measurement instrument
10/11/2001US20010027677 Differential pressure generator
10/10/2001EP1141671A1 Isolated calibration adapter for sterile pressure transducer
09/2001
09/26/2001CN2450652Y Water pressure sensor testing device
09/20/2001DE10112530A1 Pressure sensor for common rail fuel lines has sealing lip on flat seating improves sealing pressure distribution
09/20/2001DE10110060A1 Pressure sensor monitoring process for vehicle brake system involves creating system pressure in isolated circuit, applying pressure wave to sensor and comparing values
09/18/2001US6289718 Arrangement for detecting a gaseous component in a gas flow
09/13/2001US20010020382 Drift detection method for a control apparatus controlling an injection molding machine
08/2001
08/29/2001CN2445314Y Hand piston manometer fitted with supercharger
08/28/2001US6279373 Automatic reference-pressure balance method
08/16/2001US20010013773 Configuration with a plurality of sensor groups and method of determining its intactness
08/09/2001DE10003906A1 Fuel dosing system pressure sensor calibrating process, involving using pressure in high-pressure zone as reference pressure
08/07/2001CA2200237C Failure diagnosis controller of pressure sensor
08/02/2001WO2001055573A2 Method and device for calibrating a pressure sensor
07/2001
07/25/2001CN2440207Y Gas-liquid two-phase medium pressure checking device
07/12/2001DE10000133A1 Prober für Drucksensoren Prober for pressure sensors
07/11/2001EP1114988A2 Testing device for pressure sensors
07/10/2001US6257050 Evaporative fuel leak diagnosing apparatus
06/2001
06/21/2001WO2001043997A1 Calibration of a transponder for a tire pressure monitoring system
06/21/2001DE19959678A1 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
05/2001
05/31/2001WO2000055105A3 Explosive shear wave energy source
05/29/2001US6237394 Apparatus and method for correcting drift in a sensor
05/24/2001CA2326632A1 Method and system for testing emergency water system pressure
05/22/2001US6234148 Method and device for monitoring a pressure sensor
05/10/2001DE10050511A1 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
05/09/2001EP1097353A1 System comprising a plurality of sensor groups and method for determining the intactness of same
05/02/2001CN1293357A Prssure, sensor, pressure sensor control device and pressure sensor system
04/2001
04/12/2001DE10027096A1 Sensorvorrichtung Sensor device
04/11/2001CN1291279A Tensile testing sensor for measuring mechanical jamming deformations on first installation and automatic calibrating based on said jamming
04/05/2001WO2000055593A3 Sensor
03/2001
03/29/2001DE19938868A1 Manufacturing method for sensor device used in combustion engine intake manifold
03/21/2001EP1085310A1 Transmitter
03/08/2001WO2001016571A1 Prediction of error magnitude in a pressure transmitter
02/2001
02/27/2001US6192866 Diagnosis for detecting freezing condition in intake pressure sensor
02/20/2001CA2201372C Apparatus and method for use in testing gas pressure reduction equipment
02/07/2001CN1282657A Adjusting method of pressure sensor zero point of injection device and its adjusting apparatus
01/2001
01/31/2001EP1073077A2 Method of operating a signal sensor like a switch element
01/31/2001EP1072387A2 Method and apparatus for adjusting zero point of a pressure sensor of an injection apparatus
01/25/2001DE19934829A1 Verfahren zum Betreiben eines Signalsensors sowie eines Schaltelementes Method for operating a sensor signal and of a switching element
01/25/2001DE19931227A1 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
01/11/2001WO2001002720A1 Method and arrangement for sensor diagnosis
12/2000
12/27/2000CN1278329A Strain gauge strip and applications thereof
12/14/2000DE10020064A1 Drucksensor Pressure sensor
12/06/2000EP1058103A2 Mechanical to electrical pressure transducer with magnetic field sensitive detector
12/06/2000EP1056985A1 Tensile testing sensor for measuring mechanical jamming deformations on first installation and automatic calibrating based on said jamming
11/2000
11/02/2000DE19913527A1 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
10/2000
10/24/2000US6134969 Automatically compensatable device for measuring a pressure difference
10/17/2000US6134281 Method and apparatus for calibration of a signal processing system utilizing digital down converters
09/2000
09/21/2000WO2000056132A1 Low stress die attachment
09/21/2000WO2000055652A1 Calibration of sensors
09/21/2000WO2000055648A1 Hydrophone assembly
09/21/2000WO2000055646A1 Accelerometer transducer used for seismic recording
09/21/2000WO2000055638A1 Sensor design and process
09/21/2000WO2000055593A2 Sensor
09/21/2000WO2000055577A1 Integrated and multi-axis sensor assembly and packaging
09/21/2000WO2000055486A1 Method for determining the pressure prevailing in a fuel injection ramp of an internal combustion engine and corresponding device
09/21/2000WO2000055105A2 Explosive shear wave energy source
09/21/2000CA2365886A1 Calibration of sensors
09/21/2000CA2365868A1 Hydrophone assembly
09/13/2000CN1056446C Fault diagnostic controller for pressure sensor
08/2000
08/31/2000WO2000050848A1 Apparatus and method for correcting sensor drift
08/30/2000EP1031779A2 Apparatus and method for use in testing gas pressure reduction equipment
08/23/2000EP1029225A1 A strain gauge strip and applications thereof
08/09/2000EP0831313B1 Air pack type contact pressure measuring method
08/03/2000WO2000008432A9 Pressure measuring device
07/2000
07/27/2000DE19860500A1 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
07/20/2000WO2000042407A1 Isolated calibration adapter for sterile pressure transducer
07/20/2000WO2000042406A1 Method and apparatus for checking sensors
07/13/2000DE19857193A1 Device for adjustment of pressure sensors has needle valve between high pressure pump and aggregate
06/2000
06/27/2000US6081121 Ionization gauge and method of using and calibrating same
06/14/2000CN1053499C Correction of pressure transducer
05/2000
05/30/2000US6069326 Hand held measurement instrument with touch screen display
03/2000
03/21/2000US6040779 Method and circuit for monitoring the functioning of a sensor bridge
03/21/2000US6038912 Failure detection system of pressure sensor
03/08/2000EP0984257A1 Autocalibrating device for measuring differential pressure
02/2000
02/29/2000US6029524 Transducer having redundant pressure sensors
02/17/2000WO2000008432A2 Pressure measuring device
02/10/2000DE19833991A1 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
02/02/2000EP0975942A1 Method and device for monitoring the operation of a pressure sensor
01/2000
01/27/2000WO2000004342A1 System comprising a plurality of sensor groups and method for determining the intactness of same
01/26/2000EP0974681A1 Method and apparatus for calibrating the gas pressure in a vacuum working chamber (vacuum coating chamber or recipient)
01/05/2000EP0968406A1 Differential pressure transmitter with highly accurate temperature compensation
12/1999
12/29/1999EP0967462A1 Bridge sensor and verification method
12/22/1999CN2355316Y Calbrator for sphygmomanometers
11/1999
11/24/1999CN1236433A Fluid pressure sensing unit incorporating diaphragm deflection sensing array
10/1999
10/12/1999US5965822 Calibration feature for a pressure gauge
09/1999
09/29/1999EP0909378A4 A system and method for high accuracy calibration of a sensor for offset and sensitivity variation with temperature
09/02/1999DE19806753A1 Error indicator for sensor comprising Wheatstonebridge
09/01/1999CN2336352Y Box truck for loading and transporting piston manometer
08/1999
08/25/1999CN2335136Y Pressure generator for pressure calibrating
08/19/1999WO1999041565A1 Tensile testing sensor for measuring mechanical jamming deformations on first installation and automatic calibrating based on said jamming
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