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Class 73/598 - For flaw or discontinuity detection


Subclass of Class 73 - Measuring and testing
Definition: Subject matter wherein the velocity or propagation time
No. of patents: 242
Last issue date: 01/24/2012


1              
NumberTitleIssue Date
8100014Ultrasonic flaw detection apparatus and ultrasonic flaw detection program
A plurality of ultrasonic flaw detection methods can be switched and executed by a simple operation. An ultrasonic flaw detection apparatus includes a switching circuit 3 for permitting an angle probe 1 and a normal probe 2 to be arbitrarily swi...
01/24/2012
8091424Defect detection method of turbine generator end ring
A defect detection method of a turbine generator end ring includes a first ultrasonic testing step of conducting ultrasonic testing by an angle beam technique to the turbine generator end ring, a second ultrasonic testing step of conducting, when an indication echo ...
01/10/2012
8091425Ultrasonic testing method of threaded joint of pipes or tubes
An ultrasonic testing method relates to a threaded joint of pipes including a pin having an external thread part, a metal seal part, and a shoulder part on an outer peripheral surface, and a box having an internal thread part, a metal seal part, and a shoulder part ...
01/10/2012
8082792Ultrasonic sensor system for web-guiding apparatus
A sensor system for determining the position of at least two edges of at least one web material traveling along a predetermined path. In one embodiment, the sensor system has at least one transmitter block having a plurality of transmitters capable of selectively tr...
12/27/2011
8074518Systems and methods for measuring the specific modulus of cellular ceramic bodies
Systems (50) and methods for measuring and displaying a visual and/or graphical representation of the specific modulus (E/ρ) of a cellular ceramic body (10), such as those used to form particulate filters, are disclosed. The ultrasonic measurement sys...
12/13/2011
8051717Method and apparatus for measuring flaw height in ultrasonic tests
The measurement of a flaw height in a thick welded portion of a stainless steel specimen, which is difficult to perform by the TOFD method, can be conducted with more ease, with higher accuracy and in a shorter time than in the case of using tip echo techniques. In ...
11/08/2011
7942057Method and a system for monitoring structural changes of a fiber web
A method for monitoring the structural state of a fiber web (1) that is being processed by a fiber web processing machine comprising a fiber web processing station (2) is described. The method comprises the steps of arranging a generator (5) and...
05/17/2011
7926350Method for the non-destructive inspection of a test body using ultrasound
A method for the non-destructive inspection of a test body using ultrasound is disclosed, in which at least one ultrasonic transducer couples ultrasonic waves into the test body and ultrasonic waves reflected inside the test body are received by ultrasonic transduce...
04/19/2011
7900516Ultrasonic flaw detection apparatus and ultrasonic flaw detection method
To simply and accurately determine the position of an edge, the depth or the height of a flaw including a surface crack, a corroded portion near the surface layer of a thick specimen, and a minute damage. An ultrasonic flaw detection method causes an ultrason...
03/08/2011
7849747Flaw detection in exhaust system ceramic monoliths
Ultrasonic detection of flaws in ceramic monoliths such as are commonly used in diesel particulate filters is made possible by beaming ultrasound into the monolith from an inlet or outlet face thereof and analyzing the reflected ultrasound from the same face. The mo...
12/14/2010
7823451Pulse echo/through transmission ultrasonic testing
Ultrasonic testing on a part includes scanning the part while performing pulse echo and through transmission ultrasonic testing on the part; converting pulse echo data into time of flight (TOF) and amplitude channels, and converting through transmission data into a ...
11/02/2010
7614304Ultrasonic testing system and method for ceramic honeycomb structures
Both a system and method for detecting the presence or absence of internal discontinuities or inhomogeneities in a fired or green ceramic honeycomb structure is provided. The system includes a membrane disposed over a surface of the honeycomb structure, at least one...
11/10/2009
7516662Detecting rail defects
A method of detecting defects in a railway track rail, the rail (101) having a longitudinal centre plane and a surface, the surface including a running surface (102), the method comprising directing an excitation laser beam (106) to an excitatio...
04/14/2009
7434757Zero-backlash baitcast fishing reel
A fishing reel directly measuring line travel (not velocity or acceleration) past two or more points along the line, with said data being fed back in real time to a comparative control loop which initiates a direct contact spool brake to slow or near-instantaneously...
10/14/2008
7418866Method and apparatus for evaluation of standing timber
A method and apparatus for measuring the quality of live, standing timber employs deep-set spike probes angled to create a longitudinal compression wave. Alignment tools and isolation of the probes provide an improved signal, automated detection of probe separation ...
09/02/2008
7363817System and technique for detecting the presence of foreign material
Systems and techniques for detecting the presence of foreign material in food utilizing optical backlighting and/or ultrasonic inspection are presented. In optical backlighting, a substantially monochromatic light source optically backlights a food stream with sourc...
04/29/2008
7337672Method for inspecting grinding wheels
This invention discloses a method of evaluating the internal structure of a grinding wheel through ultrasonic inspection. ...
03/04/2008
7331249Non-destructive inspection apparatus and non-destructive inspection system
A nondestructive inspection device nondestructively inspects an internal state of an inspection target, and transmits information indicating a progress status of the inspection to the outside of an inspection site. A nondestructive inspection system which uses this ...
02/19/2008
7330799Method and algorithm for using surface waves
A method and an algorithm allowing the use of surface waves. In particular, the method uses separation of the modes and, by the dispersion curve of more than one mode in the inversion process, it allows a determination of a shear wave propagation velocity profile th...
02/12/2008
7328619Phased array ultrasonic NDT system for fastener inspections
An ultrasonic probe suited for testing the integrity of sheet metal surfaces around fastener openings is provided with means to center the probe over such openings. Both a mechanical centering rod and an electronic display assist the user in centering such probe. On...
02/12/2008
7328618Non-destructive testing of pipes
To perform a non-destructive condition assessment of a pipe carrying a fluid, an actual value representative of the propagation velocity of an acoustic disturbance propagating between two longitudinally separated points on the pipe is determined. A corresponding pre...
02/12/2008
7305898Installation for non-destructive inspection of a part
An installation for non-destructive inspection makes use simultaneously of sensors responsive to different physical characteristics. In an example, a sensor support, e.g. a kind of carriage having running wheels via which it comes into contact with the surface to be...
12/11/2007
7301497Stereo display for position sensing systems
A method for display of radar data includes performing a first radar scan to obtain, for at least one object (24), a first range reading, a first azimuth reading, and a first altitude reading. A second radar scan is then performed to obtain, for the at least ...
11/27/2007
7299697Method and system for inspecting objects using ultrasound scan data
A method and apparatus for estimating a depth of a crack from ultrasound scan data are provided. The method includes mapping multiple amplitude responses from the ultrasound scan data, each mapped amplitude response being representative of a signal from one of the s...
11/27/2007
7290451Status discriminating apparatus of human, animal, machine or the like using ultrasonic vibration detecting sensor, and status discriminating method of human, animal, machine or the like using the same
A human or other status discriminating apparatus includes an ultrasonic vibration detecting sensor comprising a container main body, a liquid packed tightly in the container main body, and an ultrasonic vibrator for transmitting ultrasonic waves into the liquid and ...
11/06/2007
7278305Apparatus for detecting hunting and angle of attack of a rail vehicle wheelset
An apparatus and method for estimating the angle of attack of wheels, wheelsets, trucks and railway vehicles traveling over a track employing a wayside system having a plurality of sensors, adjacent to the rails of the track, for detecting the passing of each wheels...
10/09/2007
7278315Laser-ultrasonic detection of subsurface defects in processed metals
Subsurface defects in a processed metal are detected by a laser-ultrasonic method involving generation of a surface acoustic wave at one location on the processed metal surface, and detection of a scattered acoustic wave at another location on the processed metal su...
10/09/2007
7275438Method and device for recognition of a tear-off strip on a material web
In order to check a material web (12), in particular a film web, with regard to the correct arrangement of a tear-off strip (11) extending in the longitudinal direction of the material web (12), ultrasonic transmitters are used, specifically an ...
10/02/2007
7270021Apparatus and method for mounting and moving a working apparatus on a structure for the performance of works on the structure
A working apparatus has: a working equipment for doing works on a structure; an operation mechanism adapted to actively move the working equipment relative to the structure; and an adhering/traveling module coupled to the operation mechanism and adapted to adhere to...
09/18/2007
7266234Method and device to control the straightness and torsions of long products
Device and method to control the straightness and torsions of a long product (11), comprising at least two profile-detection devices (12a, 12b, 12c), each presenting a visual field (13) that includes a perimete...
09/04/2007
7263886Apparatus for and methods of stress testing metal components
A tuning device (23) and an apparatus that incorporates the tuning device (23) for use in testing the integrity of a railway line (30) to obtain an improved test signal, the tuning device (23) including an elongate member (23) adap...
09/04/2007
7261620Method and device for reprofiling railway wheels
The present invention relates to a method for reprofiling wheel disks (7) or brake disks of a railway wheel or wheelset (6), rotatably mounted in bearing housings (9), by machining using a machine tool (12), which is designed to be portab...
08/28/2007
7260984Power generation utilizing tire pressure changes
A method of powering one or more electronic devices in a tire monitoring system using a tire pressure based energy scavenger is provided. With this method, a tire is rotated on a surface to generate pressure changes within the tire. These pressure changes are then c...
08/28/2007
7249514Repositionable mask for ultrasonic inspection
Methods and apparatus are provided for protecting an acoustic liner having a perforated facesheet from water leakage during a through-transmission ultrasonic (TTU) inspection using an ultrasonic squirter system. The apparatus comprises a repositionable mask that cov...
07/31/2007
7245063Optimized ultrasonic phased array transducer for the inspection of billet material
An ultrasonic phased array transducer system comprises an ultrasonic phased array transducer having a piezo central element, concentric piezo ring elements enclosing the piezo central element, concentric sectored piezo rings having piezo sector elements enclosing th...
07/17/2007
7240553Non-invasive detection and analysis of microorganisms in diary products packaged in paper or paperboard based laminated recipients using dry coupling elastic waves
The invention relates to a method and a device for the early detection of the presence of micro-organisms in food, particularly in milk and derivatives thereof. One of the main advantages of the invention lies in the fact that the aforementioned detection method can...
07/10/2007
7231832System and method for detecting cracks and their location
A system and method are provided for detecting cracks and their location in a structure. A circuit coupled to a structure has capacitive strain sensors coupled sequentially and in parallel to one another. When excited by a variable magnetic field, the circuit has a ...
06/19/2007
7204147Ultrasonic inspection method for weld zone
An inspection method can easily determine welding condition by just comparing an echo height returned from the weld zone of a real product with a master data. An master data is made based on the data from prepared test pieces corresponding to the real product...
04/17/2007
7202797System and a method for detecting, locating and discerning an approach towards a linear installation
A system and a method for detecting, locating and identifying incidents of approaching a linear installation (e.g.—buried pipe line, railway, fence etc.), that includes plurality of sensing units positions in an array along the length of the linear installation, a...
04/10/2007
7197932Failure detecting system
The present invention relates to a failure detecting system that enables the detection of a break in a rail and the like by a simple network configuration. Detecting units (20 and 50), relay units (30A, 30B, 60A through 60C)...
04/03/2007
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