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WO/2000/037912 |
A semiconductor pressure sensor compatible with fluid and gaseous media applications is described. The semiconductor pressure sensor includes a sensor capsule having a semiconductor die and a silicon cap that is bonded to the semiconduct...
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WO/2000/036386 |
The present invention relates to protecting optical devices, such as an optical fibre sensor connected in series with a cable, from a hostile environment, such as encountered when making measurements in oil and gas wells. A liquid can pr...
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WO/2000/035685 |
The invention concerns a module comprising an air pressure sensor (3) with an air intake (4), a printed circuit card (5) support, whereon the sensor (3) is mounted, and an anti-pollution filter (6) protecting the air intake (4). The filt...
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WO/2000/033046 |
A fused tension-based fiber grating pressure sensor (8) includes an optical fiber (10) having a Bragg grating (12) impressed therein. The fiber (10) is fused to tubes (20) on opposite sides of the grating (12) and an outer tube (30) is f...
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WO/2000/031509 |
A pressure and temperature sensitive transducer suitable for use in borehole applications comprises a central resonator section that is generally cylindrical in shape and has a resonator element located in a radial plane and end caps sec...
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WO/2000/030909 |
A pluratity of pressure sensors (59) are carried in housing (57) mounted upon a hydraulic control valve (52) for an electro-hydraulic brake system. The pressure sensors (59) are electrically connected to a signal conditioning circuit (12...
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WO/2000/023780 |
An instrument valve manifold (10, 210) interfaces between a flowline control manifold CM and one or more pressure transmitter units (T1, T2). The instrument valve manifold includes a monolithic body (32, 232) that defines a mating surfac...
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WO/2000/014499 |
A gauge (10) is provided, preferably for patient use, in which a piston (44) moves linearly within a gauge body (36) against the force of a spring (43). A diaphragm (50) separates the sensing side of the piston (44) from the clean or atm...
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WO/2000/008432 |
A pressure measuring system that includes a pressure switch (14) and a pressure trandsucer.
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WO/2000/006926 |
The inventive control device (6) comprises a control circuit (13) and a pressure sensor (12) for measuring the hydraulic pressure in the transmission which are accommodated in a common housing (8). The housing (8) has a metallic base pla...
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WO/2000/003220 |
The apparatus of the invention includes a sensor header and a sensor cover which are coupled to a prior art diaphragm assembly. The sensor header is provided with two piezoresistive silicon membrane strain gauges. One side of both strain...
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WO/2000/002026 |
The present invention relates to an air-pressure sensor which can be used for determining the parameters of an air flow, of a flow of other gases or of liquids as well as the flight parameters of aircraft. This air-pressure sensor compri...
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WO/1999/061924 |
The invention relates to a Pitot-Static tube including three groups of orifices (2, 5, 6, 10) for determining the total pressure, static pressure and angle of attack, an axially symmetric body (1) and a strut (4) for fastening to pneumat...
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WO/1999/061923 |
The invention relates to a Pitot-static tube (14) comprising a body with inlet orifices (15, 16, 17) for determining flow parameters of a surrounding medium, the body comprising a leading edge, a first group of said orifices being provid...
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WO/1999/060359 |
A pressure sensor (10) has a sensor chip (14) in a package (13) structured by joining the open side of a stem (11) to the open side of a cap (12). Exerted on both side of a diaphragm (14a) of the sensor chip are pressures transmitted thr...
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WO/1999/058945 |
Pressure sensor for measurement of gas pressure in a cylinder of a combustion engine, comprising a tube (6) shaped in cross section as an hourglass. In the axial direction the tube consists in part of a section connected to the cylinder ...
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WO/1999/056100 |
A process control instrument (10) adapted to provide an output indicative of a parameter of a process fluid is disclosed. The process control instrument is designed to be attachable to a flange (13) having a first passageway (24) filled ...
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WO/1999/050115 |
The invention relates to a pressure sensor assembly, especially for a pressure control device, comprising a supporting housing (3) for accommodating several pressure sensors (4). Said supporting housing (3) accommodates the pressure sens...
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WO/1999/048551 |
This invention is a pressure gauge (10) for displaying the magnitude of fluid pressure generated within a syringe (12) or another pressurized system. The pressure gauge (10) is removably attachable to a syringe (12), and may be sterilize...
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WO/1999/045353 |
The invention concerns a method and a device to eliminate possible clogging of measuring devices comprising probes each enclosed with a stilling plate. It mainly comprises a stilling plate (21), preferably spherical, equipped with a sepa...
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WO/1999/032865 |
A media compatible package (100) for a pressure sensing device is made from a non-corrosive, highly chemical resistant material. The package includes a base (105) which holds a printed circuit board (115) having a pressure sensor (18) mo...
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WO/1999/030943 |
A brake system for vehicles, in particular motor vehicles, has electrically controlled hydraulic setting elements integrated in a hydraulic block (28), a pressure sensor (30) with a plurality of pressure measurement elements (16) for mea...
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WO/1999/030215 |
A sensor system (10) includes a first sensor (12) for sensing a parameter in a first sensing range and providing a first sensor signal (24) indicative of the parameter. A second sensor (14) senses the parameter in a second sensing range ...
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WO/1999/030121 |
A capacitance type pressure sensor unit which can be assembled without applying any high pressure to a circuit board. The base section (6b) of the main body (6) is housed in the peripheral wall section (13b) of a housing case (13) consti...
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WO/1999/028719 |
A non-contaminating pressure transducer module having an isolation member is disclosed. The isolation member isolates a pressure sensor (88) within the transducer module from exposure to ultra high purity fluids flowing through a conduit...
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WO/1999/027339 |
A detector for the internal presure of an air-filled gunwale protector which can reduce the maintenance work. The internal pressure detector is composed of internal pressure detection units (10) which are provided in the air-filled gunwa...
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WO/1999/023463 |
The present invention improves upon prior art pressure sensors by providing a noninvasive pressure sensing assembly capable of accurately indicating relatively minute pressure changes. The present invention generally includes separating ...
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WO/1999/022213 |
The present invention pertains to the field of devices for checking the condition of internal combustion engines. This invention more precisely relates to a device comprising electro-pneumatic pressure sensors which are mounted in the en...
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WO/1999/017088 |
The invention relates to a method for filling the measuring chamber (4, 13, 27) of a pressure differential measuring transducer with pressure transmission liquid via a filling duct (27). According to the inventive method, a filling bar (...
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WO/1999/005477 |
The invention relates to a device for detecting the pressure and the temperature in the induction pipe of an internal combustion engine. A temperature sensor and a pressure sensor are fitted in an common housing. The pressure sensor is f...
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WO/1999/005494 |
The invention provides for a method and device for determining a gas pressure and temperature in a hollow space, including a fuel/air mix in an internal combustion engine combustion chamber. According to the invention, pressure and tempe...
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WO/1999/004232 |
The invention relates to shock pads or bridge pads with a load sensor integrally formed in the structure of the pad. The load sensor includes a cavity containing fluid. The pressure imparted upon the blocks compresses the elastomeric blo...
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WO/1999/002954 |
Dampening apparatus (46, 70, 78) for a pressure gauge (11) in which a short length of sleeve (50), ferrule (72), hub (80) encircles the pointer shaft (19) in a close but loose fit relation and is packed with a high viscosity fluid (58) s...
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WO/1999/000652 |
A Bourdon tube pressure gauge is mounted for sensing the pressure of a system. The Bourdon tube is connected to at least one optical strain sensor mounted to be strained by movement of the Bourdon tube such that when the Bourdon tube is ...
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WO/1998/055845 |
The invention relates to a pressure sensor unit, especially for automotive engineering applications, comprising a housing (3) in which a pressure-measuring cell (5) is located. It is possible to guide a pressure medium to said pressure-m...
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WO/1998/054557 |
The present invention provides an apparatus for sensing the pressure of a fluid in a vessel. The apparatus (10) is adapted to be mounted with respect to the vessel (50) containing the fluid under pressure, and includes a sensor body (12)...
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WO/1998/053290 |
A meter body (11) for use in a pressure transmitter in a continuous pressurized transmission system. The meter body is cylindrical in form with a bottom end (including a flexible diaphragm (11G)) adapted to engage a flexible gasket to fo...
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WO/1998/052007 |
The invention disclosed is a magnetic induction type pressure sensor comprising bourdon pipe, transmission mechanism and printed circuit board. The bourdon pipe could product a linear deformation proportionally pressure acting on it, to ...
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WO/1998/044326 |
A process instrument mount (22, 32, 36, 40, 44, 54, 63, 70) includes an outer wall (24, 58, 66, 76) and an inner wall (26, 56, 64, 74). The outer wall (24, 58, 66, 76) is separated from the inner wall (26, 56, 64, 74) by a space (30, 34,...
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WO/1998/043056 |
The invention relates to a device for determining the pressure and temperature in the suction pipe of an internal combustion engine with a temperature sensor (50) and pressure sensor (30) positioned in a common housing (10), said pressur...
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WO/1998/041834 |
A remote seal differential pressure transmitter, when installed with its remote seal separated by a vertical distance, has an accurate output signal which is compensated for all temperature effects, including compensation of the sensors'...
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WO/1998/041831 |
The invention relates to a measuring device whose sensors (12) and circuit carriers (14) are assembled in a compact measuring device (10). Said measuring device (10) has a console (11) to accommodate the circuit carriers (14) and the sen...
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WO/1998/041833 |
A process control transmitter (10) includes a transmitter housing (12) and transmitter circuitry (20) adapted for providing a transmitter output related to a sensed pressure. A sensor coupling (42) in the housing (12) defines a pressure ...
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WO/1998/038484 |
The invention relates to a pressure differential measuring transducer comprising measuring membranes located next to each other on one side of a membrane disk and a common fluid area allocated thereto. In order to obtain an electrical me...
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WO/1998/037393 |
A pressure sensor of substantially ceramic material comprises a rigid house part consisting of a thicker base plate (13) and an interior shielding plate (15) and a movable diaphragm (19). A cavity (23) comprising a reference pressure is ...
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WO/1998/036254 |
A method of sensing fluid pressure in which a deformable tube provides an accessible and substantially flat section. Deflection of the flat section reflects line pressure. In one embodiment, a fluid pressure sensing apparatus comprises a...
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WO/1998/034089 |
The invention relates to a pressure sensor component (1) comprising a base body (2) and a pressure connecting branch (8). The base body contains a chip carrier (3), on which a semi-conductor chip (4) with integrated pressure sensor is mo...
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WO/1998/031997 |
A pressure sensor is provided with a compressible insert that is disposed within an internal opening of a potentially frangible component, such as a tubular glass member. If a condensate forms within the internal opening of the tubular g...
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WO/1998/030880 |
A two-piece, modular valve manifold adapted to be positioned between a main flowline and a pressure sensor to control fluid flow from the main flowline to the sensor, the manifold comprising a first module that adapts to a pressure senso...
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WO/1998/030879 |
The present invention provides a pressure sensor device which is media compatible and very inexpensive. A medium compatible device according to the present invention for sensing pressure comprising means for sensing pressure (105); means...
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