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WO/2012/009062 |
A process variable transmitter (36) for measuring a pressure of a process fluid includes a process coupling having a first port (90) configured to couple to a first process pressure and a second port (90) configured to couple to a second...
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WO/2012/002874 |
A valve assembly (1) included in a system for measuring differential pressures in a fluid system and where the valve assembly (1) includes a valve body (7) with an inlet (13) and an outlet (14) for connection to the fluid system, ducts (...
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WO/2011/071976 |
Methods and apparatuses are provided for calibrating a vacuum component of a phacoemulsification system at different elevations. The design comprises running a vacuum component to be calibrated at an elevation; determining a maximum vacu...
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WO/2011/038753 |
A pressure transmitter and a related method for measuring the pressure exerted by a fluid on the diaphragm of the pressure transmitter itself. The pressure transmitter has a pressure sensor assembly which comprises a diaphragm displaceab...
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WO/2011/018706 |
A pressure sensor having a substrate and a first, deformable membrane, partially supported by the substrate, which generates a first sensor reading when deformed by pressure. A second membrane is contiguous to the first membrane. When th...
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WO/2011/015302 |
The invention relates to a pressure sensor (10) that can both be easily calibrated and have a high measurement accuracy. The pressure sensor (10) comprises an elastically deformable membrane (1) that is fixed at the edge thereof and can ...
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WO/2011/009476 |
The invention relates to a calibrating device for a pressure transducer (1, 31), which has a pressure sensor (3, 33) for producing a measurement signal (U), which corresponds to the pressure of a gaseous or liquid medium to be measured, ...
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WO/2011/009475 |
The invention relates to a calibrating device for a differential pressure transducer (30) that has a pressure sensor (36) for producing a measurement signal (U), which corresponds to the differential pressure of a gaseous or liquid mediu...
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WO/2010/144113 |
This disclosure describes a fiber optic based pressure transducer that detects position of a heated end of a Bourdon tube under pressure. This movement can be calibrated to provide an accurate pressure reading. The temperature change in ...
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WO/2010/144113 |
This disclosure describes a fiber optic based pressure transducer that detects position of a heated end of a Bourdon tube under pressure. This movement can be calibrated to provide an accurate pressure reading. The temperature change in ...
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WO/2010/124400 |
The present invention provides a microscale pressure sensor that exhibits high sensitivity in a small form factor. The sensor is a bridged device in which a photonic crystal waveguide, surrounded by a photonic crystal slab, is suspended ...
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WO/2010/102812 |
The invention relates to a method for operating a hydraulic or pneumatic system. The system comprises at least one pressure accumulator. The system is provided with at least one valve unit and a sensor for the at least indirect detection...
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WO/2010/101193 |
The need for changing the threshold value used as the reference for diagnosis is reduced. A pressure transmitter detects the pressure of an object to be measured, such as liquid, slurry, or gas with fluctuation (variation) in pressure, v...
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WO/2010/100754 |
It is possible to detect a resistance state of a signal line using a simple configuration in an electric system such as a detection system. Provided is a detection system including: a detection unit (112) which detects a specific physica...
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WO/2010/094608 |
In order to functionally test a leak detector (20) that comprises a partial pressure sensor (21), a testing device (30) having a variable volume (33) is connected to the leak detector. Said testing device can be a syringe. By changing th...
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WO/2010/064629 |
A pressure transmitter detects the pressure of an object to be measured, such as liquid, slurry and gas, which has pressure oscillation, by way of a lead pipe. Equipment for diagnosing the blockage of a lead pipe comprises a section (11...
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WO/2010/059307 |
The present invention discloses apparatuses, systems, and methods for controlling liquid impact pressure in liquid impact systems. The liquid impact systems include at least one gas and a liquid, the gas having a density (PG) and a polyt...
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WO/2010/054676 |
The invention relates to a pressure transducer for process instrumentation and to a method for measuring pressure using a pressure transducer having a pressure sensor (1) with a diaphragm (2), on one side of which the pressure (P) to be ...
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WO/2010/020405 |
The invention relates to a sensor having a measuring element that measures force, said element measuring direct forces or measurement variables which are converted into forces by means of a measurement variable converter in the sensor, w...
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WO/2010/015569 |
The invention relates to a pressure measurement converter and to a method for operating a pressure measurement converter comprising a pressure sensor (6) for producing a measurement signal (9) corresponding to the pressure (P) of a gaseo...
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WO/2010/003432 |
The invention relates to a method for calibrating a pressure transducer (1) for process instrumentation and to a pressure transducer, wherein the pressure transducer (1) is provided with a sensor element (2) disposed on a membrane (3) fo...
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WO/2009/141200 |
The invention relates to a method for testing a pressure sensor of a fuel accumulator device in an internal combustion engine. According to said method, the pressure in the fuel accumulator device is altered and the influence of said alt...
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WO/2009/138310 |
The invention relates to a method for the functional testing of a pressure switch (23) of a tank vent device (102) for an internal combustion engine (1) of a motor vehicle (100), enabling the testing of the pressure switch even while the...
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WO/2009/132366 |
A system (1) for failure recognition of a pressure sensor (2) for monitoring pressure of an enclosed space (3) and for indicating when a pre-determined pressure range has been left, comprises an evaluation unit (6) for the pressure measu...
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WO/2009/117674 |
A testing and analysis system for a pressure-sensitive device (42) that includes a testing stage (10) comprising a platform having an upper surface, a groove situated on the upper surface, an endless support gasket located in the endless...
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WO/2009/117674 |
A testing and analysis system for a pressure-sensitive device (42) that includes a testing stage (10) comprising a platform having an upper surface, a groove situated on the upper surface, an endless support gasket located in the endless...
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WO/2009/098587 |
A pressure sensor including a body (2), pressure receiving means (3) associable with a tube connected to a tank of an electric household appliance (5), in which there is collected in use a fluid, the level of which it is intended to be m...
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WO/2009/083328 |
The invention relates to a method for calibrating a pressure sensor comprising a movable diaphragm above a hollow space. In order to calibrate the pressure sensor, the diaphragm is deflected using an electrostatic force, and said deflect...
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WO/2009/072390 |
Disclosed is a method for calibrating a pressure measuring unit to measure a pressure in an extracorporeal circulation circuit without any contact with the air. Even after the connection between the air chamber of the pressure measuring ...
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WO/2009/067051 |
The invention relates to method for calibrating sensors in a system comprising a plurality of sensors, which are arranged so that they can be subjected to the same load, comprising the steps of detecting the level of an operating paramet...
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WO/2009/012605 |
The following method sequence is proposed for calibrating a vacuum measuring cell arrangement: a) the measuring cell arrangement (1) is connected to a calibrating device (10), with the measuring connection (5) being connected to a vacuum...
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WO/2009/012605 |
The following method sequence is proposed for calibrating a vacuum measuring cell arrangement: a) the measuring cell arrangement (1) is connected to a calibrating device (10), with the measuring connection (5) being connected to a vacuum...
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WO/2009/004196 |
The invention relates to a method for calibrating the offset of a signal representative of a pressure (P_brut) in the combustion chamber (2) of a thermal engine, a cylinder pressure sensor (4) being provided in the combustion chamber (2)...
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WO/2009/004196 |
The invention relates to a method for calibrating the offset of a signal representative of a pressure (P_brut) in the combustion chamber (2) of a thermal engine, a cylinder pressure sensor (4) being provided in the combustion chamber (2)...
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WO/2008/142200 |
An indicator arrangement according to the invention also comprises a resistor (4) the first end of which is connected to between a passive acceleration sensor (1) and a filtering means (2) and the other end is connected to a basic voltag...
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WO/2008/142199 |
The method according to the invention comprises steps for recognizing a fault in a system used in connection with a piston engine. Amonitoring step (31) of the method is carried out for monitoring the amplitude fluctuation of the signal ...
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WO/2008/142199 |
The method according to the invention comprises steps for recognizing a fault in a system used in connection with a piston engine. Amonitoring step (31) of the method is carried out for monitoring the amplitude fluctuation of the signal ...
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WO/2008/142200 |
An indicator arrangement according to the invention also comprises a resistor (4) the first end of which is connected to between a passive acceleration sensor (1) and a filtering means (2) and the other end is connected to a basic voltag...
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WO/2008/130867 |
Systems, methods, and apparatus, including software implementation, are disclosed providing drift prediction of output values for manometers. A signal or other indication may be provided for or in relation to a capacitance manometer when...
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WO/2008/130867 |
Systems, methods, and apparatus, including software implementation, are disclosed providing drift prediction of output values for manometers. A signal or other indication may be provided for or in relation to a capacitance manometer when...
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WO/2008/124218 |
Methods and systems for adjusting a pressure value to account for an altitude-induced pressure effect. One method includes determining an average pressure value experienced at a first altitude, determining a ratio based on the average pr...
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WO/2008/083720 |
The invention relates to a pressure transducer and method for operating a pressure transducer which is fitted with a device for diagnosing the state of active pressure lines (3, 4) of the pressure transducer. The diagnostic device has me...
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WO/2008/061832 |
The invention allows an autonomous test of the membrane of a micromechanical membrane sensor. For such a self-test, the membrane comprises a heating element and means for detecting the deflection. For carrying out the test, the membrane ...
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WO/2008/061832 |
The invention allows an autonomous test of the membrane of a micromechanical membrane sensor. For such a self-test, the membrane comprises a heating element and means for detecting the deflection. For carrying out the test, the membrane ...
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WO/2008/061551 |
The invention discloses a method for the operation of a pressure transducer (40) and such a pressure transducer (40), which is connected by means of at least one high pressure pulse transfer and low pressure pulse transfer (16, 18) to a ...
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WO/2008/060904 |
A method and system for calibrating an analog sensor used in a digital measurement system is provided. The design comprises generating a precise pressure value set at multiple calibration points and supplying said precise pressure value ...
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WO/2008/060904 |
A method and system for calibrating an analog sensor used in a digital measurement system is provided. The design comprises generating a precise pressure value set at multiple calibration points and supplying said precise pressure value ...
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WO/2008/055376 |
The invention relates to a pressure sensor comprising a housing (1), a membrane (3) and at least one measuring element (7) for measuring a pressure (D0) acting upon the membrane (3) from outside the housing (1). The pressure sensor also ...
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WO/2008/039710 |
A pressure sensor having a predetermined chamber dome angle with an electrode. A hole (23) is located in the top to provide pressure readings and the bottom has an input port (25). A primary diaphragm (17) is coated on both sides with an...
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WO/2008/039710 |
A pressure sensor having a predetermined chamber dome angle with an electrode. A hole (23) is located in the top to provide pressure readings and the bottom has an input port (25). A primary diaphragm (17) is coated on both sides with an...
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