Patents
Patents for G01L 13 - Devices or apparatus for measuring differences of two or more fluid pressure values (2,634)
09/2008
09/03/2008CN101256106A Impulse line-clogging detecting unit and impulse line-clogging detecting method
09/03/2008CN101256101A Pressure sensor
09/03/2008CN101256100A Pressure sensor
08/2008
08/28/2008DE202007005695U1 Staudrucksonde Pitot tube
08/28/2008DE19917100B4 Differenzdruckschalter Differential pressure switch
08/27/2008CN201107151Y Nuclear safety level capacitance type differential pressure / pressure transmitter
08/27/2008CN101251375A Micro-nano gradation press type gas needle sensor
08/13/2008EP1395802B1 High sensitivity pressure sensor with long term stability
08/13/2008CN101241031A Pressure sensor with a radially tensioned diaphragm
08/13/2008CN100410702C Integrated optical fiber testing system
08/07/2008WO2008093526A1 Differential pressure sensor
08/06/2008EP1953515A2 Pressure transmitter for detection of a variable relative to a process fluid.
08/06/2008CN201096577Y Spherical face point contact type pressing sensor device possessing base
08/06/2008CN201096576Y Range adjustable gas micro differential pressure transmitter
08/06/2008CN201096556Y Welding type nuclear safety grade capacitance differential pressure /pressure transmitter
08/06/2008CN101236118A Variable scale differential pressure transmitter
07/2008
07/31/2008WO2008089969A2 Electronic device comprising differential sensor mems devices and drilled substrates
07/31/2008WO2007127170A3 Pressure sensor using near net shape sintered ceramics
07/31/2008DE102007003153A1 Verfahren zur Plausibilisierung eines ermittelten Differenzdruckwerts über einen Partikelfilter Method for determining the plausibility of a determined pressure difference value with a particulate filter
07/30/2008CN100406867C 具有板涂层、微粒过滤器、独立的低成本电容压力变送器 Has a plate coated particulate filter, separate low-cost capacitive pressure transmitter
07/29/2008US7406387 Apparatus and method for detecting blockage of impulse lines
07/24/2008US20080173096 Semiconductor pressure sensor and manufacturing method thereof
07/23/2008EP1947438A1 Differential pressure measuring device
07/22/2008US7401522 Pressure sensor using compressible sensor body
07/22/2008US7401494 Valve test apparatus and methods for testing a solenoid valve or a venturi valve
07/17/2008WO2008065091A3 Separating membrane for hydraulic pressure transmitters and pressure transmitters and manometers comprising said separating membranes
07/16/2008EP1714126B1 Pressure differential sensor comprising an excess-load membrane
06/2008
06/26/2008DE10337200B4 Differenzdruck-Messumformer Differential pressure transmitter
06/26/2008DE102006062222A1 Differential pressure sensor, has silicon chip with deformation-dependent resistor units of measuring circuits positioned so that deformation-dependent signals of circuits have different dependency ratios of static and differential pressure
06/25/2008CN101206152A Method for measuring high resistant static pressure dynamic pressure
06/24/2008US7389697 Pressure sensor for detecting small pressure differences and low pressures
06/24/2008US7389696 Measuring device with a microsensor and method for producing the same
06/19/2008WO2008072205A1 Memory-efficient system and method for high-quality codebook-based voice conversion
06/19/2008DE102006058927A1 Differential pressure transducer has first and second pressure measurement chambers to which pressures can be fed and first and second membrane beds, whereby measurement membrane forms overload membrane
06/12/2008DE102006057829A1 Differential manometric sensor for recording differential pressure and for industrial measuring technique, has base body and recess is divided into two pressure measuring chamber, which are connected with overload chambers
06/12/2008DE102006057828A1 Differential manometric sensor for recording differential pressure and for industrial measuring technique, has base body and recess is divided into two pressure measuring chamber, which are connected with overload chambers
06/11/2008CN201072369Y Capacitive differential pressure transmitter
06/11/2008CN201072368Y Pressure and flow meter
06/10/2008US7383736 Device and method for pressure indication
06/05/2008WO2008065091A2 Separating membrane for hydraulic pressure transmitters and pressure transmitters and manometers comprising said separating membranes
06/05/2008US20080127738 Pressure-Difference Pickup With Dynamic Overload Protection
06/05/2008DE10330414B4 Verfahren zur Messung eines Drucks A method for measuring a pressure
05/2008
05/27/2008US7379792 Pressure transmitter with acoustic pressure sensor
05/21/2008CN201063002Y Testing bench for multi-point shaping armchair
05/14/2008CN201060079Y Intelligent differential pressure cell
05/14/2008CN201059972Y Dry seal gas holder gas piston gradient automatic detection device
05/14/2008CN101180526A Pressure sensor using compressible sensor body
05/08/2008DE102007048754A1 Drucksensor mit durch Schutzmaterial geschützten Erfassungschip Pressure sensor with protective material protected by sensing chip
04/2008
04/30/2008CN100385218C Pressure sensing device for rheometers
04/24/2008DE102006049942A1 Druckmittler, Drucksensor mit Druckmittler und Verfahren zum Herstellen eines Druckmittlers Pressure transmitter, pressure sensor pressure transmitter and method for producing a pressure transmitter
04/22/2008US7360428 Capacitive pressure measuring cell with a membrane bed
04/17/2008US20080087094 Pressure Sensor
04/16/2008CN201047791Y Filter clogging alarm device
04/15/2008US7357033 Manual resuscitators with integral manometer
04/10/2008WO2007149445A9 Dial-type flow-restriction gauges
04/09/2008CN100380105C Physical quantity measuring method and its device
04/08/2008US7353711 Capacitive sensor
04/02/2008EP1463927B1 Relative pressure sensor
04/02/2008CN101156196A Hybrid speech synthesizer, method and use
03/2008
03/27/2008DE19742944B4 Verfahren zum Aufzeichnen eines digitalisierten Audiosignals A method for recording a digitized audio signal
03/27/2008DE102006039501A1 Sensor device for monitoring pressure in transport container, has pressure sensor for detecting pressure in transport container, and radio frequency identification module sending radio signal based on physical condition of sensor
03/26/2008CN201041522Y Pressure detection device
03/20/2008US20080066555 Ruggedized pressure sensor
03/19/2008CN101144731A Plug type differential pressure measuring device
03/18/2008US7343808 Line pressure compensated differential pressure transducer assembly
03/13/2008DE102006039925A1 Refrigerant leakage determining method for air conditioning system, involves comparing measured high pressure with reference high pressure, and determining lack of refrigerant amount from difference between measured and reference pressures
03/12/2008EP1898187A1 Device for detecting a variable for a process fluid via differential measurement.
03/12/2008CN100374838C Monolithic silicon based SOI high-temperature low-drift pressure sensor
02/2008
02/27/2008EP1891848A1 Vehicle immersive communication system
02/21/2008US20080046133 Mini environment apparatus, inspection apparatus, manufacturing apparatus and cleaning method of space
02/13/2008CN101124467A Micro slit viscometer with monolithically integrated pressure sensors
02/12/2008US7328624 Probe for measuring parameters of a flowing fluid and/or multiphase mixture
02/06/2008EP1883798A1 Pressure sensor using compressible sensor body
02/06/2008EP1883797A1 Line pressure measurement using differential pressure sensor
02/06/2008CN100367020C Pressure balance type seal method and its use
01/2008
01/31/2008WO2007111818A3 High temperature pressure transmitter assembly
01/31/2008US20080022779 Pressure Sensor
01/30/2008EP1258715B1 Noise signal analyzer, noise signal synthesizer, noise signal analyzing method, and noise signal synthesizing method
01/30/2008CN201012200Y Transfusion alarm
01/30/2008CN101113934A Intelligent capacitance differential pressure cell and method
01/29/2008US7323858 Method for measuring pressure
01/24/2008WO2008009303A1 Method for the diagnosis of a blockage of an impulse line in a pressure measurement transducer, and pressure measurement transducer
01/23/2008EP1448968B1 Pressure sensor
01/23/2008CN201011505Y Rotating container self detecting type constant-flow gas source differential pressure micropore quantitative value measuring system
01/22/2008CA2283284C Differential pressure transmitter with highly accurate temperature compensation
01/17/2008DE102006032345A1 Differential pressure sensor has two pressure chamber and movement element connected with two pressure chamber, and two flexible elements are provided in pressure sensor, from which motion elements lead in respective directions
01/09/2008EP1874434A2 Filter module with flow control
01/03/2008US20080000302 Differential pressure sensor having symmetrically-provided sensor chips and pressure introduction passages
01/03/2008DE102007029356A1 Differential pressure sensor for motor vehicle, has sensor chips with same shape and size, symmetrically arranged in housing with respect to wall, and channels with same shape and size, symmetrically held in housing with respect to wall
01/03/2008DE102006030034A1 Einrichtung zum Steuern eines fluidbetätigten doppeltwirkenden Stellzylinders Means for controlling a fluid-actuated double-action actuating cylinder
01/02/2008EP1872361A1 Hybrid speech synthesizer, method and use
01/02/2008CN201000344Y Insert differential pressure measurement device
01/02/2008CN100359186C Remote process seal with improved stability in demanding applications
12/2007
12/27/2007WO2007149445A1 Dial-type flow-restriction gauges
12/25/2007US7311006 Pressure sensor
12/20/2007US20070289386 Pressure Differential Sensor Comprising an Excess-Load Membrane
12/20/2007DE102006027507A1 Pressure gauge for air conditioning system, has push-button coupled with electrical switch of pneumatic switching device such that switch is closed with manual pressure by force on push-button and pneumatic switching device is switched
12/13/2007US20070288179 Integrated absolute and differential pressure transducer
12/12/2007EP1740916A4 Differential pressure transducer with fabry-perot fiber optic displacement sensor
12/12/2007CN101088000A Exhaust gas recirculation system using absolute micromachined pressure sense die
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