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US20110259115 |
STRUCTURAL LOAD MONITORING USING COLLARS AND CONNECTING ELEMENTS WITH STRAIN SENSORS
A system and method for measuring loads on a pipe, including a pair of collars that can be secured around the outer surface of the pipe to be monitored in an axially spaced relationship; and a... |
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US20140033825 |
Method and assembly for sensing permanent deformation of a structure
The present invention relates to a method of sensing permanent deformation of a structure, the method comprising the steps of; determining the strain required to permanently deform a structure;... |
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US20120174683 |
ELECTRIC CABLE WITH BENDING SENSOR AND MONITORING SYSTEM AND METHOD FOR DETECTING BENDING IN AT LEAST ONE ELECTRIC CABLE
A method for monitoring at least the bending strain of at least one electric cable provided with at least one peripheral mechanically non-symmetric strength member is provided. |
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US20120147384 |
STRAIN GAUGE, AND SYSTEM FOR SPATIALLY LOCATING SUCH GAUGES
A strain gauge includes a substrate (2) for mounting an element (3) to be reversibly lengthened by a force applied while displaying a variation in the resistance thereof, the element (3)... |
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US20120067134 |
DISPLAY BENDER AND METHOD OF TESTING FLEXIBLE DISPLAY
Some embodiments include an apparatus for testing flexible displays. The apparatus can include: (a) a first clamp configured to receive a first end of the flexible display; (b) a second clamp... |
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US20120132009 |
FIBER OPTIC SHAPE SENSOR
A shape sensing system to determine the position and orientation of one link with respect to another link in a kinematic chain. An optical fiber is coupled to two or more links in a kinematic... |
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US20120082422 |
ELECTRIC CABLE WITH STRAIN SENSOR AND MONITORING SYSTEM AND METHOD FOR DETECTING STRAIN IN AT LEAST ONE ELECTRIC CABLE
An electric cable includes a strain sensor longitudinally extending along the cable and including a strain optical fibre arranged within a bending neutral region surrounding and including a... |
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US20100326200 |
Shear Stress Measurement Apparatus
A shear stress sensor for measuring the shear force of a fluid flowing along a wall. A floating member, flush with the wall, senses a shear force of the flowing fluid. The floating member is... |
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US20090193906 |
COMPOSITE FIBRE AND RELATED DETECTION SYSTEM
This invention relates to a composite fibre including at least a first and second component, wherein at least one of the components is an optical fiber, and the components are intertwined. |
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US20140150563 |
STRAIN SENSING CABLE
A strain sensing cable including one or more strain sensing elements and a strain transfer medium extruded directly onto the one or more strain sensing elements disposed within the strain transfer... |
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US20120132008 |
FIBER OPTIC LOAD MEASUREMENT DEVICE
A measurement device may include a loadable member that supports a load and measures the force created in the loadable member by the load. The loadable member may have an aperture and an optical... |
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US20150020604 |
APPARATUS AND METHOD FOR MEASURING THE SLOSHING IN THE CARGO TANK OF A LIQUEFIED NATURAL GAS CARRIER
An apparatus and method for measuring the sloshing in the cargo tank of a liquefied natural gas carrier is provided. The apparatus includes: a plate-shaped floating mat coupler which floats on the... |
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US20150040678 |
TABLET TEST STATION
The invention relates to a tablet test station, including at least one receptacle for the transfer of tablets from an outlet of a feed device and at least one test means for inspecting, testing... |
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US20150114130 |
DISTRIBUTED PRESSURE MEASUREMENT BY EMBEDDED FIBER OPTIC STRAIN SENSOR
A pressure sensing pad includes a flexible planar layer having a two-dimensional sensing area, and an optical fiber embedded in the plane of the flexible planar layer traversing the... |
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US20140047926 |
FRAME FOOT LOADING MEASUREMENT SYSTEM USING FIBER OPTIC SENSING TECHNIQUE
A fiber Bragg grating (FBG) based sensor is used as a strain sensing element to determine frame foot loading of a generator. Three FBGs may be used in tandem to form a basic Frame Foot Loading... |
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US20130255397 |
OPTICAL FIBER TENSILE SCREENING METHOD AND DEVICE
A method and device for continuously testing the tensile strength of an optical fiber, wherein the incoming optical fiber is wrapped at least partially around a payout capstan, to an intermediate... |
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US20130345856 |
Identification of Plastic Material Composition
Identification of a material composition. The material composition is configured with a color additive that is embedded or otherwise not visible. The color additive identifies the specific... |
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US20130341249 |
Identification of Plastic Material Composition
Identification of a material composition. The material composition is configured with a color additive that is embedded or otherwise not visible. The color additive identifies the specific... |
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US20120234101 |
Pressure and Measurement by Means of An Optical Fiber
An optical fiber (FD) that can be used for measuring pressure is arranged as follows. The optical fiber (FD) comprises a core (CO) and a cladding (CL) surrounding and contacting the core (CO). A... |
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US20100300209 |
OPTICAL STRAIN GAUGE
The invention relates to a strain gauge, comprising at least one optical waveguide (5) fastened to a thin support (1). The optical waveguide (5) has at least one section (10) with a fiber Bragg... |
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US20120272744 |
FIBER OPTIC SENSOR BASED ON SPIRAL STRUCTURE
A fiber optic sensor based on spiral structure is a multi-loop spiral member formed by spring wire. A plurality of deformation teeth are continuously distributed on the upper surface and the lower... |
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US20100313668 |
FIBER STRAIN SENSOR AND MEASUREMENT SYSTEM FOR REPEATED LARGE DEFORMATION
A measurement system (10) for detecting repeated large deformation comprising: a fiber optical strain sensor (12) including a flexible polymer optical fiber (POF) (20) in the form of a series of... |
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US20130091956 |
SENSING ASSEMBLY
A sensing assembly including a fiber for monitoring at least one condition or parameter and a strip formed from a pair of laminae disposed with the fiber. The laminae are arranged parallel to each... |
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US20150020605 |
SYSTEM FOR LOCATING ELECTRIC CABLES
A system for locating a cable tethered from a mobile machine along a worksite is disclosed. The cable transmits electric power to the mobile machine from a power source. A fiber optic cable is... |
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US20090019940 |
Load detecting sensor and collision detecting sensor using the same
A load detecting sensor includes a first member, a second member, and an optical fiber. The first member has a groove having a bottom portion and a column portion which defines the groove. The... |
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US20130255398 |
WIND TURBINE BLADE WITH OPTICAL SENSOR SYSTEM
Wind turbine blade comprising a sensor system with an optical path comprising a first optical sensor fiber, a second optical sensor fiber and a patch optical fiber, the first optical sensor fiber... |
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US20110044574 |
METHODS AND SYSTEMS OF INSTALLING CABLE FOR MEASUREMENT OF A PHYSICAL PARAMETER
A method of installing a cable for the distributed measurement of a physical parameter, includes providing a cable adapted to measure a physical parameter at a plurality of points along the... |
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US20140298918 |
BROADBAND ELECTROMECHANICAL SPECTROSCOPY
An apparatus, method, and material wherein the material's viscoelastic and/or fatigue life may be altered by application of a secondary tuning electromagnetic field or a selected temperature, and... |
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US20130139606 |
METHOD AND APPARATUS FOR FIXING STRAINED OPTICAL FIBERS AGAINST CREEP AND TEMPERATURE AND STRAIN SENSORS USING SAID TECHNOLOGY
Optical fiber anchors accomplishing low creep confinement or fixing of a section of optical fiber in an assembly compact enough to be used conveniently as an anchor or as an enabling part of a... |
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US20130036829 |
OPTICAL SHEAR SENSOR AND METHOD OF PRODUCING SUCH AN OPTICAL SHEAR SENSOR
An optical shear sensor that includes a first and second outer surface at opposing sides and a sensing element is disclosed. In one aspect, the sensing element has an optoelectronic source for... |
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US20140331779 |
STRUCTURAL STRAIN SENSING OPTICAL CABLE
A strain-sensing cable is provided. The strain sensing cable includes a jacket, a first optical fiber and a second optical fiber. The first optical fiber is located within the jacket and is... |
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US20100018321 |
NSMS flight laser detector system
A method includes rotating a rotor, measuring a rotor rotational time for the rotor to complete a revolution, determining a blade interval by dividing the rotor rotational time by a number of... |
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US20060130591 |
Venous needle dislodgement sensor
A dislodgement sensor for use with dialysis and other blood transfusion equipment that detects when a venous needle is dislodged from a patient. The sensor includes a photosensor attached to the... |
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US20150219509 |
METHOD AND DEVICE FOR PRESSURE SENSING
A method for performing distributed pressure sensing including the steps of, forming a grating in a birefringent fiber, measuring the birefringence distribution along the length of the... |
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US20150033868 |
TRANSVERSAL LOAD INSENSITIVE OPTICAL WAVEGUIDE, AND OPTICAL SENSOR COMPRISING A WAVE GUIDE
A transversal load insensitive optical waveguide includes a primary section having a core. The waveguide may further include an outer cladding. The primary section includes a primary section... |
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US20130036830 |
TENSOMETRIC TRANSDUCER
The tensometric transducer comprises a load element which is fixed to an object to be monitored, and a piezo-optical transducer which converts the magnitude of the stresses on a photoelastic... |
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US20110247427 |
STRAIN SENSING WITH OPTICAL FIBER ROSETTES
One or more mechanical parameters of a structure subjected to a force or condition are measured using distributed, optical fiber sensing technology. At least a curved portion an optical fiber... |
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US20140053654 |
Shape Sensing Using a Multi-Core Optical Fiber Having an Arbitrary Initial Shape in the Presence of Extrinsic Forces
Shape of a multi-core optical fiber is determined by positioning the fiber in an arbitrary initial shape and measuring strain over the fiber's length using strain sensors. A three-coordinate... |
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US20120160031 |
OPTICAL TACTILE SENSORS
A sensor for sensing pressure is disclosed. The sensor may be a pressure sensor for sensing pressure, or a tactile sensor for sensing tactile events through pressure measurement. In one aspect,... |
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US20090324409 |
ROTOR BLADE MONITORING
A method of monitoring mechanical characteristics of helicopter rotor blades 1 comprises mounting at least one strain sensor 2 to at least one rotor blade 1 and measuring the mechanical load on... |
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US20100242619 |
SYSTEM AND METHOD FOR PREVENTING STRAIN CAUSED ERRORS IN FIBER OPTIC SENSORS
An encapsulated fiber Bragg grating sensor is provided wherein the EFL of sensor as well as the coefficient of friction between the sensor and the encapsulating tubing is controlled to minimize... |
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US20130247681 |
TORSION MEASUREMENT DEVICE
A torsion measurement device is disclosed. In one embodiment, the device includes a component having a marked surface and an optical sensor. The marked component and the optical sensor may be... |
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US20090114033 |
Stress History Recording System
Provided is a stress history recording system for recording a stress history, which includes a light emitting means including a stress-stimulated luminescent material that emits light in response... |
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US20140026674 |
METHOD FOR FATIGUE ASSESSMENT OF ROLLING BEARING
The present invention related to a method, and an apparatus arrangement, for determining a fatigue limit for rolling contact initiated fatigue of a rolling bearing. The method comprises running a... |
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US20130098164 |
TRIBOLUMINESCENT OPTICAL FIBER SENSOR
A sensor that can be used for in-situ structural health monitoring with a triboluminescent material provided on a portion of an optical fiber that may be embedded in materials to be structurally... |
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US20140083197 |
DISTRIBUTED SENSING EMPLOYING STIMULATED BRILLOUIN SCATTERING IN OPTICAL FIBERS
Disclosed are methods and devices for distributed sensing of a measurable parameter employing stimulated Brillouin scattering in an optical fiber. A frequency-modulated or phase-modulated light... |
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US20140230562 |
TUBULAR INSERTION DEVICE
A tubular insertion device includes a tubular insertion portion including a flexible portion in a predetermined part, bending sensors distributed and arranged in the flexible portion, and an... |
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US20140311250 |
FGB STRAIN SENSOR FOR CURVED SURFACES
An FBG strain sensor for measuring strains to curved surfaces, includes a fibre which is fixed between two securing elements whose undersides are designed as adhesive surfaces, the optical fibre... |
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US20120265051 |
APPARATUS AND METHODS FOR MRI-COMPATIBLE HAPTIC INTERFACE
In one embodiment, the system of these teachings includes a master robot/haptic device providing haptic feedback to and receiving position commands from an operator, a robot controller receiving... |
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US20140257139 |
OPTICAL SENSING DEVICE
The present disclosure provides an optical sensing device that comprises a plurality of optical light guide portions. Each optical light guide portion has a sensing region for sensing a property.... |