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Match Document Document Title
7987719 Device for the ultrasound testing of hot rolling material  
The invention relates to a device for the ultrasound testing of hot rolling material during the rolling procedure in one of a plurality of rolling stands in a rolling train which are arranged one...
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...
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...
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...
7584062 Sub-wavelength ultrasound characterization of composite material  
An ultrasonic stimulus pulse is emitted incident to a laminar structure and recorded as pulse data. Echoes resulting from the stimulus pulse are recorded as echo data. One or more vectors are...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
5386727 Dynamic rail longitudinal stress measuring system  
A system and method for dynamically and non-destructively measuring the longitudinal stresses in a rail of a continuous rail track includes an ultrasonic transmitter which transmits a signature...
5339692 Ultrasonic rail web centerline detector  
An ultrasonic rail web centerline detector locates the web centerline (18) of a longitudinal rail (12) having a head (80), a base (82), and a web therebetween. The detector includes an ultrasound...
5275051 Method and system for nondestructive testing of railroad crossties  
A method and system for nondestructively testing in a continuous sequence a multiplicity of railroad track crossties of wood or concrete to determine the condition and life expectancy of each of...
4898034 High temperature ultrasonic testing of materials for internal flaws  
An apparatus is disclosed for nondestructive evaluation of defects in hot terials, such as metals and ceramics, by sonic signals, which includes a zirconia buffer in contact with a hot material...
4856334 Bond strength measurement of composite panel products  
The invention is a method for the on-line nondestructive determination of the internal bond strength of composite panel products. The method involves impinging an ultrasound pulse against the panel...
4763526 Ultrasonic wheel probe with improved acoustic barrier  
This invention relates generally to an ultrasonic wheel probe for rolling along a workpiece to be tested for flaws, having a plurality of ultrasonic acoustic transducers and an acoustic barrier...
4735087 In situ papermachine web sound velocity test  
An on-line instrument in rolling contact with a papermachine web determines the web's strength and elastic modulus properties by intermittently pulsed sonic waves transmitted through the traveling...
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...
4688423 System and process for measuring ultrasonic velocity  
A system is provided for measuring the velocity of vibrations in a moving web, such as a sheet of paper. The system includes a transmitter coupled to the paper to transmit waves and a receiver to...
4640133 Ultrasonic testing device provided with a rolling means  
An ultrasonic testing device of the type comprising a fixed hub with at least one ultrasonic transducer as well as an annular rolling means mounted for rotation on said hub and surrounding said...
4615218 Ultrasonic wheel probe with acoustic barrier  
An ultrasonic wheel probe of the type having a wheel-shaped container with an annular outer surface for rotating about an axis of rotation and rolling upon a specimen to be tested is provided with...
4612808 Contact ultrasonic probe holders  
An ultrasonic probe for inspecting a weld between a cylinder (C) and a pipe (P) is caused to move in a holder at the end of an arm (11) pivoted at a point on the axis (Z) of the pipe so that the...
4596146 Mounting  
A mounting for locating in side-by-side relationship two ultrasonic wheel probes 10 used for ultrasonically inspecting a pipeline, the mounting including a mounting member 12 defining a slide 16,...
4593569 Ultrasonic transducer unit to locate cracks in rail base  
Apparatus for ultrasonic detection of flaws in the rail base of a track rail includes a sliding shoe having a transducer unit and coupling medium reservoir mounted thereon. The transducer, which is...
4567895 Fully wetted mechanical ultrasound scanhead  
A fully wetted ultrasound scanhead for medical applications is described in which the motor and the rotor are enclosed within a sealed housing filled with ultrasound coupling fluid. The invention...
4566332 Wheel probe  
A wheel probe for ultrasonically inspecting a component, such as the wall of a pipeline, is of hollow form to define a chamber in which an ultrasonic transducer is located. The transducer is...
4519251 Roller-type ultrasonic inspection device with acoustical isolation  
A roller-type ultrasonic probe comprises a support having two parallel limbs, and two coaxially aligned hubs each extending from a respective limb towards the other. An ultrasonic transmitter is...
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...
4459853 Ultrasonic measuring system  
A probe is provided which comprises a plurality of ultrasonic transducer elements, and is so arranged as to be capable of simultaneously transmitting and receiving ultrasonic beams of plural...
4454763 Rotary ultrasonic scan head including fluid drive  
A rotary ultrasonic scan head includes a housing 10 consisting of generally symmetrical housing portions 10A and 10B having respective mating surfaces 14 and 16 that abut when the housing portions...
4453409 Ultrasonic sector scanner utilizing rotating transducer  
An ultrasonic sector scanner which utilizes rotating transducers uses an optical encoder for generating indexing signals. A slip-ring and brush assembly interconnects the transducers and electronic...
Matches 1 - 50 out of 92 1 2 >