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6874366 |
System to determine and analyze the dynamic internal load in revolving mills, for mineral grinding
A system and method of directly, dynamically and on-line measuring different parameters related to the volume dynamically occupied by the internal load of rotating mills when in operation;...
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6876128 |
Short-circuit noise abatement device and method for a gas ultrasonic transducer
A vibration attenuator, for an ultrasonic transducer having a transducer shaft, having: a compressible sleeve mountable on said shaft wherein said sleeve comprises vibration attenuating material; a...
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6871545 |
System and method for measuring stiffness in standing trees
A system for non-destructive testing using acoustic techniques includes first and second measuring probes and an electronic unit. Each probe includes a penetrating end and a retaining flange end....
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6854333 |
Flaw detection system using acoustic doppler effect
A flaw detection system using acoustic Doppler effect for detecting flaws in a medium wherein there is relative motion between the medium and system includes a transducer, spaced from the medium to...
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6829940 |
Method and apparatus for measuring surface wave traveling time
A method is provided for measuring the surface travel time of a surface wave between first and second points on a surface. First and second spaced apart transducers are disposed substantially...
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6782751 |
Pipe inspection systems and methods
Systems and methods for ultrasonically inspecting pipe, the pipe having a longitudinal axis, the methods in certain aspects including compressing with a compressing force an elastomeric element...
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6769957 |
Creeping wave technique for mill roll inspection
A method and apparatus for simultaneously inspecting and grinding roll mills which utilizes a transducer assembly which produces a creeping wave propagation in conjunction with a couplant fluid...
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6763722 |
Ultrasonic transducers
A compact, high-power ultrasonic emitting transducer has an active element such as a piezoelectric element and structure defining a reflective backing interface such as an air interface behind the...
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6736010 |
Method and device for counting inclusions in a liquid metal bath with ultrasounds
Process and apparatus for displaying, measuring the size of and counting individual inclusions in suspension in moving liquid metal using an ultrasound sensor including emission and reception...
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6722202 |
Method and apparatus for inspecting a structure utilizing magnetically attracted probes
An apparatus and method for inspecting a structure are provided in which probes including respective sensing elements, such as ultrasonic transducers, are disposed proximate the opposed surfaces of...
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6688178 |
Roller transducer apparatus
A roller transducer assembly comprises at least one core section and each core section comprises a transducer. Oil is retained within the roller transducer assembly and in particular an oil kerf...
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6644122 |
Method for ultrasonic monitoring and evaluating of composites
Ultrasonic sensors can be integrated and used to monitor composites throughout their production and during their useful lifetime. In an integrated program, ultrasonic sensors, in the illustrated...
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6615663 |
Method and apparatus for acoustic sensing
An acoustic sensing system to measure an interior characteristic of an object, for example, density, the presence of defects, or bond integrity (of a laminated object). The system includes a first...
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6595061 |
Noninvasive detection of corrosion, MIC, and foreign objects in containers using guided ultrasonic waves
Ultrasonic energy in the form of guided waves (plate waves or Lamb waves) is launched into the wall of a container. The guided wave propagates around the circumference of the container from a...
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6591681 |
Nondestructive inspection apparatus for inspecting an internal defect in an object
A nondestructive inspection apparatus includes a vibrating section 11 which is adapted to be placed in pressure contact with a surface of a measuring object 16 for generating an acoustic...
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6591680 |
System and method for ultrasonic immersion inspection of components
A system and method that allows for the immersion ultrasonic inspection of test samples that cannot be immersed in a fluid (e.g., water) bath. A test sample is encapsulated in a sealed evacuated...
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6578424 |
Hand-held variable angle membrane (VAM) ultrasonic scanning head for the noninvasive detection of corrosion, MIC and foreign objects in pipes
A hand-held Variable Angle Membrane (VAM) ultrasonic scanning head consisting of transmitting and receiving transducers is used to excite guided waves to detect corrosion, MIC and foreign objects...
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6575036 |
Method for in-situ nondestructive measurement of Young's modulus of plate structures
A method for determining stiffness of a composite laminate plate entails disposing a device for generating an acoustical pulse against a surface of the plate and disposing a detecting device...
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6571636 |
Wheel-type transmit/receive ultrasonic inspection device with constant length internal liquid soundpath
A wheel-type inspection device includes within the wheel structure a sensor head. The sensor head carries both ultrasonic transducers and a surface tracking structure maintained at fixed distance...
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6553838 |
Detection of anomalies on railroad tracks
The present invention relates to a method and apparatus for detecting anomalies, defects or electromagnetic properties of electrically conductive and magnetically permeable materials by using a...
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6523412 |
Apparatus and method for inspecting spring hold down bolts of an upper tie plate
The invention is directed to an apparatus and method for inspecting spring hold down bolts of an upper tie plate of a fuel rod assembly in a nuclear reactor and includes an inspection fixture...
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6526114 |
Remote automated nuclear reactor jet pump diffuser inspection tool
An inspection apparatus for inspecting welds in a nuclear reactor jet pump includes a probe subassembly rotatably and linearly movably coupled to a frame structure configured to attach to a top...
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6481290 |
Method and apparatus for ultrasonic non-destructive inspection
A method and apparatus for non-destructive inspection is provided. An automatic couplant delivery system that delivers and maintains a constant water supply to a single path chamber located at a...
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6431002 |
Automatic ultrasonic flaw detector
A tank 10 has an opening through which enters a molded material P 1 , which is the object of inspection, and water W 1 is filled within the tank 10 . One side wall of said tank 10 is equipped...
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6349599 |
Layered ultrasonic coupler
An ultrasonic coupling assembly includes a barrier layer that contacts the wall, and a generally thicker layer formed of a compliant material such as zinc foil that extends over the first layer. A...
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6343512 |
Ultrasound probe including a hydrophilic couplant
An ultrasound probe includes a cross-linked hydrophilic material as an integral couplant, wherein the hydrophilic material is capable of transmitting a frequency in the range of 5 to 20 MHz, and...
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6343511 |
Ultrasonic path bundle and systems
An encapsulated or rigid bundle of rods forms a substantially non-dispersive buffer usable in extreme environments, operable over wide bandwidth, and repairable in the field. The rigid assembly...
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6339961 |
Ultrasonic detecting lubrication apparatus with acoustically isolated transducer
An apparatus for detecting ultrasonic energy generated by a mechanical device and for applying lubricant to the device is presented. The apparatus includes a lubrication tool, such as a grease gun,...
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6327910 |
Special sticker and procedure for detecting acoustic emission (AE) or ultrasonic transmission during drying of lumber
Disclosed are an apparatus and a monitoring system and various methods for use in the drying of lumber that use disclosed apparatus. During drying lumber is arranged in multiple courses stacked one...
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6298727 |
Apparatus for acoustic inspection of a workpiece in arbitrary scanning orientations
An acoustic inspection device having a transducer housing opening to a face of the device to be disposed opposite a workpiece to be inspected. That face of the device having selectively located...
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6282969 |
Optically clear housing and reduced cure time potting compound for use with object sensor
A vehicle exterior object detector apparatus includes a transceiver carried within an optically clear housing and mounted by a holder to a support on the vehicle. A potting compound surrounds the...
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6230568 |
Method and apparatus for ultrasonic inspection of inaccessible areas
A method and apparatus which uses ultrasonic techniques to inspect critical pipe joints and other critical industrial areas that are normally inaccessible. A waveguide including one or more...
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6161436 |
Shoe for ultrasonically inspecting crankshaft fillets
A shoe for ultrasonically inspecting an area beneath the fillets of a crankshaft and the area adjacent each side of the fillets for flaws in the highly stressed fillet area, the shoe comprising a...
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6138515 |
Apparatus for the acoustic detection of defects in a moving strip
An apparatus for detecting defects in a moving cast metal strip is provided that includes at least one Lamb-wave transducer housed inside a sensor wheel made of flexible material. The sensor wheel...
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6127431 |
Protein removed β-1,3 glucan and coupling medium for probe of ultrasonograph containing same
There is provided a β-1,3 glucan obtained by applying ultrasonic treatment in a mixed solution of an organic solvent containing at least dimethyl sulfoxide to remove the contaminant proteins and...
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6085591 |
Immersion testing porous semiconductor processing components
To permit immersion ultrasonic testing of a semiconductor processing component manufactured of porous metal, a cover is sealed over the processing surface of the component. The cover creates an...
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6073492 |
Ultrasonic sensor for very high temperatures and pressures
An ultrasonic sensor includes an ultrasonic transmitter, an ultrasonic receiver and a support structure. First and second elongated tubes are mechanically coupled to and extend from the support...
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6070468 |
Micromachined ultrasonic leaky wave air transducers
A method is disclosed for selecting characteristics (i.e. thickness-frequency product, length and material) of leakage plates used in ultrasonic transducers that transfer ultrasonic energy via...
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6070467 |
Electromagnetic acoustic transducer (EMAT) system and method for eliminating noise produced by static discharge
The present invention allows for the fabrication of an EMAT system that eliminates static charge impulse noise. The EMAT system includes an EMAT, wear layer, and magnet. If the wear layer is made...
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6039694 |
Coupling sheath for ultrasound transducers
A homogeneous, solid, elastic, biocompatible sheath which is conformal and performs as if integral to the diagnostic and/or therapeutic medical ultrasound transducer, and comprised of 20 to 95%...
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5951163 |
Ultrasonic sensors for on-line monitoring of castings and molding processes at elevated temperatures
Ultrasonic sensors and associated methods for on-line monitoring of material properties for die casting, molding and extrusion processes at elevated temperatures are disclosed. The sensors include...
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5936163 |
Portable high temperature ultrasonic testing (UT) piezo probe with cooling apparatus
The invention provides protection of the heat sensitive piezo ultrasonic transducer by controlling the environmental temperature in which the transducer operates. As temperature rises in the...
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5922945 |
Method and apparatus for noninvasively analyzing flowable products
An apparatus for analyzing a liquid product. The apparatus includes a conveyor assembly having a conveyor belt and an agitator. The conveyor belt is constructed to deliver a unit of liquid product...
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5913243 |
Ultrasonic transducer for nondestructive testing of generator field coils of dynamoelectric machines
An ultrasonic transducer for use in nondestructive testing includes a multi-transducer array mounted on a wedge, the wedge including a surface substantially contoured to conform to a sensing...
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5874677 |
Device and method for the ultrasonic detection of dental caries
A device for the detection of smooth surface lesions of dental caries on a tooth crown surface, having an ultrasonic transducer for transmitting ultrasonic waves and receiving ultrasonic wave...
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5828274 |
Clad ultrasonic waveguides with reduced trailing echoes
Ultrasonic buffer rods are useful for on-line process control of industrial material processes at elevated temperatures. In order to increase the signal-to-noise ratio in the reflected ultrasonic...
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5824915 |
Volumetric flow meter
A volume flow meter for flowing media that works on the transit-time principle includes a conduit measurement section carrying the flowing medium, two ultrasonic transducers arranged on opposite...
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5824908 |
Non-contact characterization and inspection of materials using wideband air coupled ultrasound
A system for the non-contact inspection and characterization of an object in which wideband (40 kHz to approximately 2 MHz) air/gas coupled ultrasonic transducers are used. The system of the...
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5821418 |
Cooled fixture for high temperature accelerometer measurements
The present invention relates to a cooled fixture for high temperature acerometer measurement. The fixture includes a collar mounted to a pipe and a block mounted to the collar to which one or more...
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5814731 |
Ultrasonic scanning apparatus for nondestructive site characterization of structures using a planar based acoustic transmitter and receiver in a rolling pond
The invention is a carriage type sonic or ultrasonic testing apparatus for flaw and deterioration detection testing in a structure, especially concrete. The apparatus detects both location and type...
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