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7568393 |
Air-pressure sensor for side-impact detection
An air-pressure sensor for side-impact sensing, and a pressure-entry channel, which conveys the air pressure to a pressure-sensor element. The pressure-entry channel has multiple angles.
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7454976 |
Pressure sensor for a vehicle
A pressure sensor includes a case with an air passageway having a first opening leading to an inside of the case and a second opening leading to an outside of the case, pressure sensing means that...
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7412893 |
Redundant mechanical and electronic remote seal system
A redundant pressure transmitter for redundantly measuring pressure of a process fluid comprises a transmitter housing, transmitter circuitry, a remote seal assembly including a first pressure...
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7340959 |
Pressure sensor
A pressure sensor includes a casing formed with a first case and a second case that has a pressure introduction hole for introducing a measurement object, a pressure sensing portion in the casing...
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7325458 |
Peak contact pressure sensor system (PCPSS) and smart brain retractor system (SBRS)
A peak contact pressure sensor system comprising:
at least one channel comprising a wall, wherein the wall is configured to deform upon engagement with a force or pressure which exceeds a...
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7281430 |
Inflatable manometers
An inflatable air cell pressure transducer. The air cell has a concavity formed therein. The concavity has two edges, wherein increased pressure within the air cell causes contraction of the...
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7207225 |
Piping and pressure-measuring apparatus
A piping and pressure-measuring apparatus includes a pipe defining a first chamber, a second chamber and a third chamber between the first and second chambers. A first connector includes a section...
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7074191 |
Method and device for non-intrusive measurement of blood pressure in a circuit of a dialysis machine
A method for the non-intrusive measurement of blood pressure in a circuit of a dialysis machine, using a device provided with a sleeve forming a portion of the blood circuit and having at least one...
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7021150 |
Device and procedure for hydraulic expansion
The invention concerns a hydraulic expansion process for tubes. With this process it is possible to increase the number of hydraulic tube expansions that can be implemented using an expansion...
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6962084 |
Sensor with molded sensor diaphragm cover
A diaphragm cover apparatus and method for a sensor are disclosed. A sensor cover is located proximate to a base. A dimple can be located centrally within the cover, wherein the dimple comprises a...
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6935183 |
Portable system for measuring the internal pressure of a vacuum insulating panels
A portable apparatus for measuring the internal pressure of a vacuum panel is described, includes a measuring head having an cavity wherein a sensor of movement is arranged; the device, supported...
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6931933 |
Pressure sensing apparatus
A pressure sensing unit has a pressure responsive member, a pressure sensor, and a hydraulic connector hydraulically connecting the pressure responsive member with the pressure sensor to produce an...
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6880404 |
System elements for measuring pressure in extracorporeal circuits
The aim of the invention in particular is to reduce the risk of haemolysis in extracorporeal blood circulation. To this end, a system element for releasably sealingly connecting a transducer to a...
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6857318 |
Method for the non-invasive measurement of an internal pressure
The invention relates to a method for the non-invasive measurement of the internal pressure of elastic vessels, according to which a restoring force is detected on the outer surface of the vessel...
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6857319 |
Test method of hydrostatic pressure
A method for testing hydrostatic pressure of an inflator housing constituting an outer shell container for various inflators, which can evaluate a hydrostatic pressure conveniently is provided. The...
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6820491 |
Pressure differential measuring tool
A pressure differential measuring tool which includes a wafer container having a pressure difference meter provided in fluid communication therewith. In use, the wafer container is placed in the...
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6813955 |
Inflatable tensioning device
There is provided a tensioning device that includes an inflatable pressure vessel, a bellows arrangement, and a valve. The pressure vessel has two superimposed major wall components fabricated from...
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6718828 |
Watertight pressure sensing device
Described is a sensing device, which is suspended in a filling material, particularly a liquid, by means of a cable 30 . The cable 30 consists of a cable jacket of insulating material, a...
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6691580 |
High pressure deflection testing system and methods of making the system
A testing fixture assembly induces a compound bend deflection in a test panel upon relative movement of opposing pressure applying parts. A panel holder has restraint members for receiving the...
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6675657 |
Self-dampening vessel
A self-dampening vessel is disclosed for use with any fluid system. The vessel receives a fluid and encounters pressure pulsations, flow distribution problems, noises and/or vibrations from changes...
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6663352 |
Method and apparatus for dynamically determining vapor pressure in pumping systems
A method and system for dynamically determining a vapor pressure of a fluid passing through a pumping system by diverting a portion of the fluid from the pumping system into a chamber, isolating...
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6637272 |
Manometer with direct passage
A direct passage manometer includes a body into which at least two rectilinear channels open into a recessed curved surface at a central portion thereof. A diaphragm seals the curved surface at the...
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6622565 |
Fluid pressure measurement by mechanical compression of tubing
The invention provides a simple, non-invasive means for measuring pressure of fluid in fluid-containing, resilient tubing by measuring the force to mechanically compress the tubing to a...
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6581470 |
Inductive pressure transducer
The transducer ( 1 ) includes a support structure ( 2, 3 ) in which a metal body ( 8 ) is mounted, having a flat surface ( 8 a ) and on the opposite side a cavity ( 8 b ) for exposure to a pressure...
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6481292 |
Dual pressure monitor
A remote pressure sensor includes a probe having a chamber for holding a liquid. A flexible membrane is mounted in the probe. A conduit joins a reference cell to the chamber for holding the liquid....
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6354734 |
Apparatus for accurate temperature and pressure measurement
An apparatus for accurate temperature and pressure measurement in production processes is described. In designing the temperture pressure probe, novel features are described which include...
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6250164 |
Measurement of fluid pressure within a tube
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...
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6238142 |
Apparatus for erecting a foundation element in the ground
An apparatus for erecting a foundation element in a ground surface including a drilling device, a pumping device, a pressure transducer and a control unit. The drilling device includes a hollow...
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6171253 |
Flat tube pressure sensor
A pressure sensor includes a tube for channeling a fluid therethrough. A seat is disposed in an outer surface of the tube, with a flexible diaphragm at the bottom thereof. The diaphragm is planar,...
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6134970 |
Contact pressure detecting sensor and contact pressure measuring device including same
A contact pressure detecting sensor having a simplified structure. The sensor includes a pair of air-impermeable sheets and at least one foamed plastic member interposedly arranged between the...
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6085595 |
High range pressure sensor for pressure gauge
A sensor element suitable for sensing pressure values of fluid pressure at high pressure ranges on the order of 40,000 psi and above and comprised of a predetermined length of a closed end tube...
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6070470 |
Sensor for measuring the internal pressure of hollow bodies
A sensor used especially for the measurement of the internal pressure of injection lines of diesel engines comprises two housing parts which are connected via an articulation and can be clamped to...
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5942693 |
Sensor for measuring surface expansion of a hollow body with film protecting against dirt and burrs
A sensor is provided that can be used for measuring the internal pressure of injection lines of diesel engines includes two housing parts that are connected via a joint and can be clamped to the...
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5846257 |
Pressure sensor for a surgical system
An apparatus that senses the pressure within a fluid line which has an external surface. The apparatus includes a sensor which has a probe that is in contact with the external surface of the fluid...
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5792959 |
Pressure detection method and device
A device and method for detecting pressure changes in a pressurized vessel, such as a gas storage bottle of an inflator of a vehicle restraint system. At least two reference marks are positioned on...
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5788463 |
Manual vacuum producing system having pressure indicator
A vacuum system comprising a vacuum pump and a vacuum indicator. The vacuum pump comprises a cylinder, a piston disposed in the cylinder, a piston rod fixed to the piston and extending through an...
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5739434 |
Formed metal diaphragm with improved cycle life
A formed metal diaphragm for use in fluid pressure regulators includes a dome-shaped central portion and a convoluted shaped flexible area. The convoluted shaped flexible area includes a series of...
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5708210 |
Pressure monitoring isolating device
A pressure monitoring isolating device for monitoring the pressure of fluid in a pipeline. The device comprises an annular housing that is axially insertable in the pipeline between two ends...
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5670721 |
Capacitive pressure sensor with heated electrodes
An apparatus for measuring the pressure of a liquid in a container includes a capacitor formed by a pair of electrodes. A charging circuit produces a charging current of constant magnitude. The...
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5670720 |
Wire-wrap low pressure sensor for pressurized gas inflators
A low pressure sensing device for sensing pressure changes in a pressurized gas storage bottle of an inflater. At least one wire is wrapped around the vessel to sense the expansion or contraction...
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5602339 |
Injection molding machine pressure transducer with trapezoidal cavity
An in-line pressure transducer includes a body and an inner ring, coupled to the body, through which molten material flows. The inner ring expands in response to pressure from the molten material....
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5505092 |
Non-invasive fluid condition sensing transducer
A fluid condition sensing transducer includes a fluid containment device having a cylindrical side wall including an inner surface in contact with a fluid and an outer surface, a diaphragm integral...
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5490424 |
Pressure sensor with moisture resistance and uniform characteristics
The invention is a pressure sensor including a main body including a pressure inlet at and end thereof, a deformable section deformed by a pressure introduced through the pressure inlet, and a...
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5440932 |
Pressure transducer including coaxial rings
A pressure transducer for an injection molding machine includes a housing coupled to a nozzle of an injection molding machine. A hollow stress tube, attached to the housing, through which molten...
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5273407 |
Homogenizing system having improved fluid flow path
A homogenizer comprises a homogenizing valve mounted to a pump block. The pump has multiple plungers housed in a set of pump chambers formed through a surface of the pump block. Sets of suction...
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5187983 |
Fiber-optic strain gauge manometer
A fiber-optic strain gauge manometer and a method thereof are for measuring pressure of a fluid, to be respectively connected to a light source and a measurement apparatus. The manometer comprises:...
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5154083 |
Instrument insolator and method of making same
A method of making an isolator flow device for use in a process fluid system. The device has a body and an elastomeric sensor ring in the body, through which process fluid flows. There is an...
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5142904 |
Isothermally measured tire gauge
A tire gauge includes: a bellows telescopically mounted in an interior within a tire, a flexible indicator rod protruding outwardly from and secured with a piston member secured on a movable end...
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5118914 |
Protective device for machining heads
A machining head carries at its end a sensor comprising a pressure-sensitive element (4) mounted on the parts (1, 2) holding the injector jet for the machining fluid, as well as the buffering...
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5101666 |
Apparatus for detecting change of pressure in tubes
The subject apparatus enables detecting changes in pressure of the fluid in a conduit from outside the conduit without disturbing the conduit or its function. The detection is made by sensing...
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