G01L 13 - Devices or apparatus for measuring differences of two or more fluid pressure values

Patents for G01L 13 - Devices or apparatus for measuring differences of two or more fluid pressure values (2,634)
11/2011
11/24/2011	WO2011144614A1 Differential pressure measuring device and degree of pollution monitoring unit and filter unit
11/23/2011	CN202048936U Micro differential pressure measuring instrument
11/23/2011	CN102257373A Measuring device four determining a differential pressure
11/23/2011	CN102257372A Pressure measuring device
11/23/2011	CN102252798A Pressure sensor
11/23/2011	CN101341385B Pressure sensor with deflectable diaphragm
11/20/2011	CA2739860A1 Pointer-type alarm mark structure of a micro-differential pressure gauge
11/20/2011	CA2739857A1 Alarm color plate structure of a micro-differential pressure gauge
11/20/2011	CA2739855A1 Alarm mark structure of a micro-differential pressure gauge
11/17/2011	DE102010021005A1 Transmission device for use with differential pressure display, has annular gap that is provided between pole ring and cabinet so that reluctance force acts between magnetic poles of permanent magnet and pole ring
11/16/2011	CN102243124A Resonant frequency based pressure sensor
11/15/2011	DE202010010791U1 Vorrichtung zum Messen von Druckdifferenzen und strömungstechnisches Gerät Device for measuring pressure differences and fluidic device
11/10/2011	WO2011082865A3 Measuring device for determining differential pressure from two separate sensors
11/10/2011	DE102010028773A1 Gegenlager mit asphärischem Membranbett, Drucksensor mit einem solchen Gegenlager und Verfahren zu deren Herstellung Counter bearing with aspherical diaphragm bed, pressure sensor with such a thrust bearing and methods for their preparation
11/09/2011	CN202033149U High-vacuum precise gas pressure sensor
11/09/2011	CN102239397A Method and apparatus for pressure measurement using magnetic property
11/09/2011	CN102239396A Method and apparatus for pressure measurement using fill tube
11/09/2011	CN101256106B Impulse line-clogging detecting unit and impulse line-clogging detecting method
11/03/2011	DE102010028504A1 Pressure sensor e.g. absolute pressure sensor, has measuring region contacting side of measuring diaphragm at electrode due to specific overload, where measuring diaphragm is made of metallic material i.e. steel
11/02/2011	CN102232180A Method and apparatus for pressure measurement using quartz crystal
10/2011
10/26/2011	EP2029255B1 Dial-type flow-restriction gauges
10/26/2011	CN102227620A Equipment for diagnosing blockage of lead pipe and method for diagnosing blockage
10/26/2011	CN101281096B Method for estimating tire force acting on rolling tire
10/25/2011	US8042400 Pressure sensor
10/20/2011	US20110253887 Cargo shipment security enclosure, method, system, and method of making
10/20/2011	DE102010015647A1 Verfahren zum Bestimmen einer Betriebsposition eines Auf/Zu-Ventils und Feldgerät A method for determining an operating position of on / off valve and field device
10/19/2011	CN102221418A System for measuring water-wind counter flow humid air parameter
10/13/2011	US20110247423 Measuring apparatus for determining a pressure difference
10/13/2011	US20110247422 Pressure sensor
10/13/2011	US20110247421 Pressure sensor
10/13/2011	DE102010003709A1 Relative pressure sensor for determining pressure of medium regarding atmospheric pressure, has pressure supply lines comprising opening such that moist air present in pressure supply lines is contacted with drying chamber
10/11/2011	US8033176 Device for pressure indication of an inflatible cuff
10/11/2011	US8033175 Temperature compensation of a multivariable pressure transmitter
10/06/2011	WO2011123211A1 Resonant frequency based pressure sensor
10/06/2011	CA2794456A1 Resonant frequency based pressure sensor
10/05/2011	CN102207416A Measuring device for water flow acting force of piles
09/2011
09/28/2011	CN201993195U 可输出多个参量的硅电容差压传感器 Can output multiple parameters of silicon capacitive pressure sensor
09/28/2011	CN201993194U 潜水型差压变送器 Submersible Pressure Transmitter
09/22/2011	DE102010011798A1 Verfahren und Vorrichtung zur Druck- oder Volumenstrombestimmung von medizinischen Fluiden Method and apparatus for determining pressure or volume flow of medical fluids
09/21/2011	CN201983900U 空调及其在线静压测试风管 Air conditioning duct and online Hydrostatic Testing
09/21/2011	CN201983899U Pressure drop testing device of solar heat collector
09/15/2011	WO2011111021A2 System and method for rapid data collection from pressure sensors in a pressure sensing system
09/15/2011	DE102004047419B4 Druckmittler und Drucksensor mit Druckmittler Diaphragm seal and pressure sensor with diaphragm
09/15/2011	CA2791349A1 System and method for rapid data collection from pressure sensors in a pressure sensing system
09/14/2011	CN102183336A Portable liquid pressurization and supplementation device and liquid supplementation method
08/2011
08/31/2011	CN101762375B Multifunctional tester for researching internal pressure pulsation mechanism
08/25/2011	US20110203380 Pressure Sensor and Pressure Difference Sensor
08/25/2011	DE102010002157A1 Druckmessaufnehmer und Differenzdruckmessaufnehmer Pressure transducers and Differenzdruckmessaufnehmer
08/24/2011	EP2359117A2 Measuring device four determining a differential pressure
08/24/2011	EP2359115A1 Method and apparatus for pressure measurement using quartz crystal
08/23/2011	US8001844 High temperature pressure sensor element, particularly for measuring pressures inside jet engines, method for the production thereof and component for jet engines
08/17/2011	EP2356419A1 Method and apparatus for pressure measurement using fill tube
08/17/2011	EP2356418A1 Method and apparatus for pressure measurement using magnetic property
08/16/2011	US7997143 Internally switched multiple range transducer
08/11/2011	DE102010001797A1 Mikromechanisches Sensorelement zur kapazitiven Differenzdruckerfassung A micromechanical sensor element for capacitive differential pressure sensing
08/11/2011	DE10157402B4 Drucksensor mit einem Halbleitersensorchip Pressure sensor having a semiconductor sensor chip
08/04/2011	US20110185817 Sensor membrane
08/03/2011	CN201917428U 变送器的双隔膜密封结构 Double diaphragm seal structure of the transmitter
07/2011
07/28/2011	DE102010001077A1 Method for manufacturing surface-mountable sensor chip e.g. differential pressure sensor chip, involves mounting sensor chip on film, by providing gel into recess of chip, where recess corresponds to aperture in film
07/28/2011	DE102010001073A1 Sensor e.g. absolute pressure sensor, for measurement of differential pressure, has sensor element whose upper and lower sides are separated in pressure-tight manner by membrane or film structure that is formed as deformed plastic film
07/28/2011	DE102010000148A1 Humidity determining method for gas component portion in gas mixture in inner space of cooking apparatus, involves arranging measuring points in positions in which flow of mixture is small so that mixture does not have flow rate at points
07/27/2011	CN201909694U Differential pressure gauge based on eddy current displacement measurement technology
07/21/2011	DE102011007952A1 System zur Korrektur von Ungenauigkeiten einer trägheitsbehafteten Navigationseinheit A system for correcting inaccuracies an inertial navigation unit affected
07/20/2011	CN201903427U Testing device used for mechanical oil pressure switch
07/20/2011	CN102128701A Micro-differential voltage gauge based on eddy current displacement measuring technology
07/19/2011	US7980137 Dual pressure sensor
07/14/2011	US20110167918 Pressure sensor assembly
07/06/2011	CN201892594U Encapsulating structure of multifunctional transmitter
06/2011
06/30/2011	WO2011076477A1 Overload-proof pressure sensor, in particular differential pressure sensor
06/30/2011	DE102009055149A1 Überlastsicherer, Drucksensor, insbesondere Differenzdrucksensor Safe overload, pressure sensor, in particular differential pressure sensor
06/29/2011	CN201885946U Test device for conveying heterogeneous fluid
06/22/2011	EP2335039A1 Sensor arrangement, method for operating a sensor arrangement and method for producing a sensor arrangement
06/22/2011	DE102009054882A1 Messvorrichtung Measuring device
06/22/2011	CN102105769A Media isolated differential pressure sensor with cap
06/21/2011	US7963170 Pressure sensor
06/15/2011	EP1060374B1 A pressure sensor for detecting small pressure differences and low pressures
06/14/2011	US7962294 Integrated absolute and differential pressure transducer
06/08/2011	CN201859033U Structure for stabilizing pressure of small pressure difference sensor
06/02/2011	US20110127375 Method for monitoring a no-back device of an adjustable horizontal trim actuator, corresponding system and aircraft
05/2011
05/24/2011	US7946178 Vacuum measuring cell device having a heater
05/19/2011	DE102009046228A1 Drucksensor, insbesondere Differenzdrucksensor und ein Verfahren zum Präparieren eines Membranbetts für einen solchen Sensor Pressure sensor, in particular a differential pressure sensor and a method for preparing a membrane bed for such a sensor
05/18/2011	CN201837499U Device for testing smoke pressure of houses in villages and small towns
05/18/2011	CN201837498U Combined type anti-blocking pressure measuring and tapping device
05/18/2011	CN201837421U Device for detecting pressure and flow of filter
05/12/2011	WO2011057270A1 An enhanced static-dynamic pressure transducer suitable for use in gas turbines and other compressor applications
05/12/2011	DE102009046229A1 Drucksensor, insbesondere Differenzdrucksensor Pressure sensor, in particular a differential pressure sensor
05/11/2011	CN1936813B Input device, input method and electronic equipment
05/11/2011	CN101256100B Pressure sensor
05/10/2011	US7937989 Device for detecting a variable for a process fluid via differential measurement
05/05/2011	DE102009051406A1 Vorrichtung zur sensortechnischen Ermittlung einer Druckdifferenz in einer druckluftdurchströmten Arbeitsleitung Device for determining a pressure difference sensor technology in a compressed air flowed through the working line
04/2011
04/27/2011	CN201811818U Suspension structure of differential capacitor diaphragm capsule
04/27/2011	CN101501469B Method for the diagnosis of a blockage of an impulse line in a pressure measurement transducer, and pressure measurement transducer
04/26/2011	US7930943 Differential pressure sensor
04/21/2011	WO2010068830A3 A combined wet-wet differential and gage transducer employing a common housing
04/20/2011	CN101726389B Silicon capacitance intelligent pressure/differential pressure transmitter and a measurement method thereof
04/20/2011	CN101124467B Micro slit viscometer with monolithically integrated pressure sensors
04/14/2011	US20110083513 Pressure Sensor
04/13/2011	CN201795890U Differential pressure measuring device and overload protection device thereof
04/13/2011	CN101180526B Pressure sensor using compressible sensor body
04/12/2011	US7922884 Device for measuring the pressure in a gas mixture

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 ... 27