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| Number | Title | Issue Date |
| 7849748 | Method of and an apparatus for in situ ultrasonic rail inspection of a railroad rail An ultrasonic railroad rail inspection system, apparatus and method for in situ rail inspection including a wheel assembly containing a fluid-filled tire and an ultrasonic transducer mounted within the wheel assembly. The transducer is supported in the tire such tha... | 12/14/2010 |
| 7730785 | Ultrasonic sensor and manufacture method of the same An ultrasonic sensor is provided with a substrate unit where a thin-walled portion is arranged and a piezoelectric oscillator which is formed at the substrate unit. The piezoelectric oscillator includes two electrodes and a piezoelectric film positioned between the ... | 06/08/2010 |
| 7654144 | Nondestructive testing apparatus for blade root of steam turbine of power plant In a nondestructive testing apparatus for testing normality of a blade root in a steam turbine installed in a nuclear plant or a thermal plant, an ultrasonic probe and an encoder can be mounted at the outside by only removing a casing of the steam turbine, without t... | 02/02/2010 |
| 7562578 | Method and apparatus for detecting surface defects in rolling mill rollers The invention relates to a method, device and a circuit for detecting surface defects such as cracks, fractures and the like on a roller (2) for a rolling mill (1), in particular on the working rollers (2a) which are mounted with support ... | 07/21/2009 |
| 7395714 | Magnetically attracted inspecting apparatus and method using a ball bearing An apparatus and method for inspecting a structure are provided which include probes with sensing elements and are disposed proximate the opposite surfaces of a structure, where only one of the probes need be driven. A tracking probe may be magnetically coupled to a... | 07/08/2008 |
| 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 |
| 7320249 | Magnetically attracted inspecting apparatus and method using a fluid bearing An apparatus and method for inspecting a structure are provided which include probes with sensing elements and are disposed proximate opposite surfaces of a structure, where only one of the probes need be driven. A tracking probe may be magnetically coupled to a dri... | 01/22/2008 |
| 7228741 | Alignment compensator for magnetically attracted inspecting apparatus and method An apparatus and method aligning magnetically coupled inspection probes are provided. In this regard, a tracking probe may be magnetically coupled to a driven probe and move in coordination therewith. An alignment compensator for magnetically coupled inspection prob... | 06/12/2007 |
| 7213459 | High speed inspection system and method An inspection system for inspecting a three-dimensional volume. The inspection system comprises at least one sensor coupled to a rolling object, the sensor being disposed on a non-contact outer region of the rolling object and at a pre-determined distance from a cen... | 05/08/2007 |
| 7213789 | System for detection of defects in railroad car wheels A system for automatic detection of defects in railroad wheels, a system that is stationary and is installed in extended intervals in the rails uses stationary acoustical/vibration sensors installed at intervals in the rails. Rail segments associated with the detect... | 05/08/2007 |
| 7090974 | Ultrasound-mediated high-speed biological reaction and tissue processing Methods of fixing and processing tissue and samples on a membrane by using ultrasound radiation as a part of the method are presented. Ultrasound of a frequency in the range of 0.1–50 MHz is used and the sample or tissue receives 0.1–200 W/cm2 of ultr... | 08/15/2006 |
| 7080557 | Method and apparatus for inspecting a tubular using acoustic signals A method and apparatus for acoustically inspecting a tubular member is presented. In particular a method for inspecting coiled tubing using ultrasound is presented. The method includes contacting a tubular with a coupling material, transmitting an acoustic signal, r... | 07/25/2006 |
| 7081815 | Radio frequency security system, method for a building facility or the like, and apparatus and methods for remotely monitoring the status of fire extinguishers A system for remotely monitoring the status of one or more fire extinguishers includes means for sensing at least one parameter of each of the fire extinguishers; means for selectively transmitting the sensed parameters along with information identifying the fire ex... | 07/25/2006 |
| 7075084 | Ultrasonic thermography inspection method and apparatus A portable thermal imaging analysis for analyzing a specimen includes a frame removably attachable to the specimen by a vacuum and suction cups. The apparatus also includes a sound source and thermal imaging camera that generates thermal images of the specimen along... | 07/11/2006 |
| 6980688 | Method and apparatus for investigating integrity of structural member A method for investigating structural integrity utilizes a carrier member having a flexible surface and a plurality of electromechanical transducer elements attached to the carrier member, the transducer elements being spaced from each other along at least two spati... | 12/27/2005 |
| 6966231 | Microelectromechanical floating element flow sensor An electromechanical floating element shear-stress sensor, which may also be referred to as a flow rate sensor, having one or more transduction mechanisms coupled to a support arm of a floating element wafer such that the transduction mechanisms are normal to the fo... | 11/22/2005 |
| 6945111 | System and method for identifying incompletely cured adhesive A system for inspecting adhesive in a composite structure, such as for soft or improperly cured regions, includes a transducer and a processing element. The transducer can transmit a signal, such as an ultrasonic signal, into the adhesive such that at least a portio... | 09/20/2005 |
| 6938488 | Acoustic inspection device An ultrasound inspection apparatus particularly adapted to examine containers (sealed or unsealed) containing a liquid or solid bulk material. The apparatus has an overall configuration of a hand held pistol with a front transducer contact surface that is positioned... | 09/06/2005 |
| 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 |
| 6772636 | Pipe flaw detector A detector for detecting a location of a flaw on a tubular member, the tubular member having a longitudinal axis, the detector having a body, dial rotatably mounted to the body, the dial with directions indications thereon for indicating position of the dial with re... | 08/10/2004 |
| 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 a structure, but only one of the probes need be driven. In this rega... | 04/20/2004 |
| 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 isolates each core section from an outer portion of the roll... | 02/10/2004 |
| 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 relative to the transducers. In operation, the surface trac... | 06/03/2003 |
| 6536553 | Method and apparatus using acoustic sensor for sub-surface object detection and visualization An apparatus for detecting an underground abject includes a container in contact with the ground surface; a medium disposed in the container; at least one acoustic sensor disposed in the medium in the container; and an output device connected to the acous... | 03/25/2003 |
| 6523411 | Wheel inspection system A wheel inspection system based on electromagnetic acoustic signals and having improved inspection by the use of a noise removing system and/or a pivotal mounting system. The invention also includes an improved detection head and data analysis.... | 02/25/2003 |
| 6516668 | Automatic carriage alignment An ultrasonic aligning device for laterally aligning a rail testing device with respect to a rail has an ultrasonic transducer formed of an array of closely spaced ultrasonic elements, with center to center distances between elements being selected to det... | 02/11/2003 |
| 6513384 | Method and apparatus for measuring the load bearing capacity of a platform The invention relates to a method and an apparatus for measuring the lift of a transport infrastructure road level and industrial floors. The apparatus comprises a wheel borne by a chassis pivotally mounted on a trailer towed by a vehicle. An unbalanced m... | 02/04/2003 |
| 6378376 | Ultrasound transducer mounting assembly The present invention provides a mounting assembly, for use with an ultrasound transducer attached to an ultrasound machine, for determining the spacial relationship between a succession of 2D image slices of a target of a subject, generated by the ultras... | 04/30/2002 |
| 6308570 | Method and apparatus for ultrasonic characterization through the thickness direction of a moving web A method and apparatus for determining the caliper and/or the ultrasonic transit time through the thickness direction of a moving web of material using ultrasonic pulses generated by a rotatable wheel ultrasound apparatus. The apparatus includes a first l... | 10/30/2001 |
| 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 contains an acoustic coupling fluid and is designed to com... | 10/31/2000 |
| 5969255 | System and method of ultrasonic inspection of tubular members A system for ultrasonic inspection of a tubular member using an ultrasonic inspection unit having a platform, a guide member with a longitudinal axis, a wheel connected to the platform and contacting a surface of the tubular member for moving the platform... | 10/19/1999 |
| 5786535 | Flaw detection apparatus employing tire probes having ultrasonic oscillators mounted therein An apparatus for detecting flaws using supersonic waves measures a thickness of a test object or a position of a cavity inside the test object by employing a pair of ultrasonic probes. By, changing a relative position of one ultrasonic probe to that of th... | 07/28/1998 |
| 5777891 | Method for real-time ultrasonic testing system An ultrasonic real-time inspection method which is user-friendly in an interactive environment to provide ease of operation, as well as a combination of consistency, thoroughness, and speed of operation in flaw detection not achievable by other methods. T... | 07/07/1998 |
| 5686668 | System and method of ultrasonic inspection of tubular members A cart for inspecting a drill pipe having a platform with an ultrasonic inspection unit thereon, a first pair of wheels connected to the platform so as to move the platform longitudinally along the drill pipe relative to a rotation of the drill pipe, and ... | 11/11/1997 |
| 5641909 | Scan assembly structure Apparatus is disclosed for providing one hundred percent inspection of natural gas mains under operating flow conditions. The apparatus includes a scan unit assembly which is inserted into the gas main to collect data for the production of graphic images ... | 06/24/1997 |
| 5602336 | Flow detection apparatus employing tire probes having ultrasonic oscilators mounted therein An apparatus for detecting flaws using supersonic waves measures a thickness of a test object or a position of a cavity inside the test object by employing pair of ultrasonic probes. By changing a relative position of one ultrasonic probe to that of the o... | 02/11/1997 |
| 5571968 | Apparatus for mounting a plurality of ultrasonic probes for movement in specified directions for detecting defects in a body An apparatus for detecting defects comprises a pair of ultrasonic probes which are gimballed onto a pair of elongate members. A pair of yokes are gimballed onto the elongate members. Springs cause an interaction between the yokes and the ultrasonic probes... | 11/05/1996 |
| 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 |
| 5493911 | System for measuring the ultrasonic velocity in the thickness direction of moving webs without errors due to delays in the onset of digitization A system for relatively accurately measuring the velocity and time of flight of ultrasonic signals in the thickness direction through moving web-like materials, such as paper, paperboard and the like, includes a pair of ultrasonic transducers disposed on ... | 02/27/1996 |
| 5404755 | Scanning apparatus and method for non-destructive materials evaluation and mapping through use of acoustic waves Columns, walls and other solid structures of concrete, wood, masonry or other materials are non-destructively tested by acoustic signals transmitted from a carriage. The carriage has a frame which is wheel mounted to move over the surface of the test cand... | 04/11/1995 |
