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| Number | Title | Issue Date |
| 7389694 | Rail inspection system An apparatus rides along a rail of a railroad track. A transmitter transmits ultrasonic guided waves bidirectionally along the rail while the apparatus and transmitter are moving along the railroad track. A sensor detects flaws in response to the transmitted ultraso... | 06/24/2008 |
| 7360427 | Coupling element with varying wall thickness for an ultrasound probe An ultrasonic probe is provided in which an elongate array of transducers is disposed within an elongate coupling element which is mounted for rotation about an axle. The profile of the coupling element is chosen so as to provide a substantially uniform contact forc... | 04/22/2008 |
| 7334478 | Device for guiding the movement of a transducer of an ultrasonic probe The present invention relates to a device for guiding the movement of a transducer of an ultrasonic probe in an ultrasonic diagnostic apparatus for acquiring a 3-dimensional ultrasound image. A pair of guide rails is disposed near both side-ends of the transducer an... | 02/26/2008 |
| 7313959 | Magnetically attracted apparatus, system, and method for remote bondline thickness measurement Apparatus, systems, and methods for inspecting a structure are provided which use magnetically coupled probes disposed proximate opposite surfaces of a structure to locate, move, position, and hold a pulse echo ultrasonic transducer of one of the probes for non-dest... | 01/01/2008 |
| 7263889 | Non-destructive stringer inspection apparatus and method A hat stringer inspection device permits continuous inspection of hat stringers as one or more probes are moved along the length of the hat stringer. Probes may be magnetically coupled to opposing surfaces of the structure, including, for example, where one of the p... | 09/04/2007 |
| 7249512 | Non-destructive stringer inspection apparatus and method A hat stringer inspection device permits continuous inspection of hat stringers as one or more probes are moved along the length of the hat stringer. Probes may be magnetically coupled to opposing surfaces of the structure, including, for example, where one of the p... | 07/31/2007 |
| 7231826 | Non-destructive inspection device for inspecting limited-access features of a structure There is provided a non-destructive inspection device having an actuating portion and at least one inspecting portion. The inspecting portion(s) are magnetically coupled to the actuating portion so that the inspecting portion(s) may be moved into limited-access area... | 06/19/2007 |
| 7125012 | Rotatable feed wheel for sheet converting machine A feed wheel includes a hub and a discontinuous tread removably fitted about the hub. At leading and trailing ends of the discontinuous tread are mateable non-planar female and male surfaces which interfit with one another and tend to interlock the tread ends togeth... | 10/24/2006 |
| 6925882 | Methods for ultrasonic inspection of spot and seam resistance welds in metallic sheets Spot and seam weldments in sheet metal components are inspected by a method in which a focused ultrasonic beam is directed into the weldment from the outside surface together with measuring the motion of the ultrasonic beam over the weldment. Reflected ultrasonic wa... | 08/09/2005 |
| 6920791 | Ultrasound monitoring of overlapping welded joints between sheets In a method and a device for the ultrasonic monitoring of overlapping welded joints between a first sheet and a second sheet pulses are irradiated at an angle of between 15 and 80° into the first sheet by a first rotating probe head. The rotating probe head is arra... | 07/26/2005 |
| 6768065 | Sensor device for a vehicle seat A sensor device (11) for a vehicle seat, in particular a motor vehicle seat, has at least one sensor (15) for the detection of forces inside the vehicle seat. The vehicle seat has at least one bearing area between two components that are mobile relativ... | 07/27/2004 |
| 6170326 | Signal processing system for energy transfer arrangement under test Processes and apparatus for signal analysis enable "pass/fail" determinations to be made with respect to noisiness of a mechanical or electrical system under test, particularly the presence of bumps and nicks in gear train systems under test. In a process... | 01/09/2001 |
| 6134967 | Detection of delamination of rubber covers from metal substrates The bonding of an elastomeric cover to a metal roll is tested by transmitting audible frequency waves through the compliant roll cover and receiving the waves at a transducer mounted to the underlying steel roll. The resulting signal may be analyzed by a ... | 10/24/2000 |
| 6055862 | Method of and an apparatus for detecting, identifying and recording the location of defects in a railway rail Method and apparatus for ultrasonic inspection of an object. A tire is mounted for rolling along the surface of the object. It contains a liquid and a transducer assembly. The transducer assembly is positioned in the tire adjacent a portion of the surface... | 05/02/2000 |
| 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 of flaw in a structure. The carriage unit incorporates a ... | 09/29/1998 |
| 5698787 | Portable laser/ultrasonic method for nondestructive inspection of complex structures A method and apparatus for non-destructive inspection of complex structures employs a portable laser based ultrasonic transducer 600 output to rapidly detect and size flaws in such structures, including the radii of composites, laminates, and complex skin... | 12/16/1997 |
| 5625148 | Ultrasonic scanning head and method A acoustical imaging scanning head includes a roller driven optical encoder. The encoder and its shaft are isolated in a non-magnetic housing. The encoder shaft and a roller driven drive shaft are provided with permanent magnets on facing steel discs on o... | 04/29/1997 |
| 5505089 | Scanner head assembly and couplant system therefore A scanner head for ultrasonic imaging of structures generates a display through an ultrasonic transceiver. The scanner head includes a transducer adapted to engage the surface of the structure. Rollers are positioned fore and aft the transducer, and one r... | 04/09/1996 |
| 5473943 | Ultrasonic test device The invention is directed to a u/s test device for nondestructive testing of a workpiece moving relative thereto by the pulse echo method, having a fluid coupling between the ultrasonic oscillator and the surface of the work material. At least two test he... | 12/12/1995 |
| 5473953 | Device for inspecting vessel surfaces A portable, remotely-controlled inspection crawler for use along the walls of tanks, vessels, piping and the like. The crawler can be configured to use a vacuum chamber for supporting itself on the inspected surface by suction or a plurality of magnetic w... | 12/12/1995 |
| 5437187 | Ultrasound test apparatus for elongated test specimens having cross sections that are constant throughout their length, in particular pipes and rods Along with an ultrasound test apparatus for elongated test specimens (20) having cross sections that are constant throughout their length, in particular pipes and rods, which pass longitudinally along a test line (24) and thereby pass through a test machi... | 08/01/1995 |
| 5383457 | Method and apparatus for processing images A method and apparatus for reducing noise and enhancing the dynamic range of an image data set gather from an array (12) of transducers (T). The method includes the step of processing the image data set in a digital computer (17) by a noise reduction tech... | 01/24/1995 |
| 5343750 | Manual ultrasonic scanner for complex surfaces A light weight hand held ultrasonic scanner for ultrasonic flaw detection systems utilizes an omnidirectional rolling ball element which drive optical encoders for X-Y coordinate position location of flaws. The rolling ball element is mounted in a body fo... | 09/06/1994 |
| 5181421 | Automatic monitoring of composite prepregs A method and apparatus for non-destructively determining fiber volume fraction and resin porosity of a composite material or prepreg wherein the composite material or prepreg is moved between a roller and a roller-transducer housing. A transducer assembly... | 01/26/1993 |
| 5062301 | Scanning device for ultrasonic quality control of articles The scanning device for ultrasonic control of articles comprises a suspension assembly (7) for mounting ultrasonic transducers on a motion mechanism (6) of the scanning device. The assembly (7), in its turn, includes flexible members (8) positioned above ... | 11/05/1991 |
| 4722225 | Ultrasonic inspection system An ultrasonic inspection system for performing in-service inspection of atomic reactors and the like includes a remote inspector including a transducer holding device of novel design and function. The holding device basically comprises an outer housing; a... | 02/02/1988 |
| 4718277 | Method and apparatus for characterizing defects in tubular members An ultrasonic inspection device having an array of opposing transducers that longitudinally, transversely, and obliquely transmit sonic beams through tubular members having a range of diameters such that refracted beams meet on the inner surface of the me... | 01/12/1988 |
| 4625557 | Acoustical imaging system An imaging system for non-destructively imaging the cross-section of a workpiece is taught. The image provided portrays the cross-section of the workpiece taken orthogonal to the surface of the workpiece along an operator selected course on the surface. T... | 12/02/1986 |
| 4532808 | Corner region ultrasonic inspection device A method and device for ultrasonically inspecting the corner region formed by the joining of a pair of cylindrical conduits is disclosed. Ultrasonic sound beams (62) are transmitted beneath inner surface (12) of the first conduit at an oblique angle resul... | 08/06/1985 |
| 4526037 | Nozzle inner radius inspection system The lip of the inner radius of a nozzle mounted through the wall of a nuclear reactor vessel is sandwiched between a transmitter and receiver of ultrasonic sound. The transmitter scans the internal surface of the nozzle lip while maintained a constant ave... | 07/02/1985 |
| 4472974 | Roller-type ultrasonic inspection devices A roller-type ultrasonic inspection device for inspecting vehicle tires comprises a roller assembly 20 mounted on a non-rotatable hug 16. Two piezoelectric crystals 80,82 are mounted in the hub 16 such that their principal transmitting/receiving axes A an... | 09/25/1984 |
| 4055990 | Pipeline inspection apparatus Apparatus for measuring the thickness of the walls of liquid-bearing pipelines provides a transmitter and a receiver of ultrasonic waves supported to move down the pipelines in spaced relationship to the walls, and provides means associated with the recei... | 11/01/1977 |
| 3999423 | Ultrasonic inspection apparatus An ultrasonic apparatus for inspecting ferromagnetic surfaces is described. The apparatus comprises a central main frame having two support frames in hinged attachment to it with one support frame on either side of the main frame. Two axles extend through... | 12/28/1976 |
| 3982425 | Ultrasonic inspection system An ultrasonic inspection system is disclosed having a skate remotely controlled from a main console for positioning an ultrasonic transducer. A transmission line is used to couple drive pulses from the main control console to the transducer. Each drive pu... | 09/28/1976 |
| 3979946 | Ultrasonic plate inspection system This invention provides for the ultrasonic testing of hot, moving metal plate, to detect faults therein. A testing shoe has a surface intended to be juxtaposed against the metal plate, and includes an ultrasonic probe member with an adjacent face parallel... | 09/14/1976 |
