Patent application number | Description | Published |
20090122942 | APPARATUS FOR ULTRASONIC INSPECTION OF REACTOR PRESSURE VESSEL - An object of the present invention is to provide an inspection apparatus for inspecting weld zones in a reactor pressure vessel, the inspection apparatus comprising: an ultrasonic probe | 05-14-2009 |
20090235749 | ULTRASONIC INSPECTION METHOD AND ULTRASONIC INSPECTION APPARATUS - The present invention provides an ultrasonic inspection method and ultrasonic inspection apparatus capable of easily inspecting a weld line and detecting a circumferential crack and an axial crack that are present in the weld line. An ultrasonic probe is placed on the surface of a structure and transmits an ultrasonic wave. A welded part is present on the opposite surface to the surface on which the ultrasonic probe is placed. The ultrasonic wave is transmitted at an optional in an X′-Z plane defined by an X′ axis and a Z axis, when the direction of a normal to the surface on which the ultrasonic probe is placed is defined as an X axis, the direction in which the weld line extends is defined as a Y axis, the direction perpendicular to the X axis and the Y axis is defined as a Z axis, and an axis obtained by rotating the X axis around the Z axis is defined as an X′ axis. After the ultrasonic wave is transmitted at an optional angle in the X′-Z plane, a control mechanism performs signal processing based on the intensities of signals reflected from an axial crack defect DE-V, a circumferential crack defect DE-H and the like to detect the defects and measure the lengths of the defects. | 09-24-2009 |
20090293621 | ULTRASONIC INSPECTION EQUIPMENT AND ULTRASONIC INSPECTION METHOD - Ultrasonic inspection equipment facilitates alignment of display positions of three-dimensional ultrasonic inspection data and three-dimensional shape data, and quickly discriminates between a defect echo and an inner-wall echo. | 12-03-2009 |
20100106431 | APPARATUS AND METHOD FOR ULTRASONIC TESTING - An apparatus and a method for ultrasonic testing obtains high-resolution and high-S/N ratio testing results by driving a number of piezoelectric elements using fewer pulsers and receivers in comparison with the number of elements composing an array transducer. A sensor information setter sets a plurality of piezoelectric element groups used for transmission and a plurality of piezoelectric element groups used for reception among the plurality of piezoelectric elements composing an ultrasonic array transducer. A computer transmits an ultrasonic wave from the element cluster set for transmission, and stores an ultrasonic wave received by the element cluster set for reception. The procedure is repeated including different element cluster sets for transmission and reception to obtain first receive signals. The first receive signals are summed to obtain a second receive signal; and the second receive signal is displayed with reference to the sensor center position on a display unit. | 04-29-2010 |
20100106432 | ULTRASONIC FLAW DETECTOR AND ULTRASONIC FLAW DETECTION METHOD - An ultrasonic probe issues an ultrasonic wave to an object, receives a reflected wave from an object, and is provided with multiple piezoelectric elements. A three-dimensional display section displays three-dimensional flaw detection data superimposed on three-dimensional shape data of an object. The computer acquires a reflected ultrasonic wave signal from a reference object (reference). Based on the acquired signal, the computer corrects a reflected ultrasonic wave signal acquired from another object having the same material and shape as the reference. The computer allows the three-dimensional display section to display three-dimensional flaw detection data generated from a reflected ultrasonic wave signal resulting from a difference between a reference and an object. | 04-29-2010 |
20100251821 | Ultrasonic Measurement Method, Ultrasonic Measurement Apparatus, and Ultrasonic Sensor - An ultrasonic measurement method and an ultrasonic measurement apparatus are capable of performing an inspection for a short time with a high SN ratio and a small variation (that depends on an inspection direction) in sensitivity in a process for detecting a defect in all directions at 360 degrees using a matrix array sensor without performing mechanical scanning in all directions, while reducing noise that is caused by a bottom surface echo. An element selecting circuit selects a group of a plurality of ultrasonic transducer elements for transmission from among ultrasonic transducer elements that constitute a two-dimensional array sensor so that the ultrasonic transducer elements for selected for transmission are arranged in line symmetry with respect to a first line symmetric axis to set the group selected for transmission. The element selecting circuit selects a group of a plurality of ultrasonic transducer elements for reception so that the ultrasonic transducer elements selected for reception are arranged in line symmetry with respect to a second line symmetric axis that is perpendicular to the first line symmetric axis to set the group selected for reception. A transmitting element selector selects, as transmitting elements, the ultrasonic transducer elements set by the element selecting circuit. A receiving element selector selects, as receiving elements, the ultrasonic transducer elements set by the element selecting circuit. | 10-07-2010 |
20110096888 | APPARATUS FOR ULTRASONIC INSPECTION OF REACTOR PRESSURE VESSEL - An object of the present invention is to provide an inspection apparatus for inspecting weld zones in a reactor pressure vessel, the inspection apparatus comprising: an ultrasonic probe | 04-28-2011 |
20110103536 | APPARATUS FOR ULTRASONIC INSPECTION OF REACTOR PRESSURE VESSEL - An object of the present invention is to provide an inspection apparatus for inspecting weld zones in a reactor pressure vessel, the inspection apparatus comprising: an ultrasonic probe | 05-05-2011 |
20110126625 | Ultrasonic Measurement Method, Ultrasonic Measurement Apparatus, and Ultrasonic Sensor - An ultrasonic measurement method and an ultrasonic measurement apparatus are capable of performing an inspection for a short time with a high SN ratio and a small variation (that depends on an inspection direction) in sensitivity in a process for detecting a defect in all directions at 360 degrees using a matrix array sensor without performing mechanical scanning in all directions, while reducing noise that is caused by a bottom surface echo. An element selecting circuit selects a group of a plurality of ultrasonic transducer elements for transmission from among ultrasonic transducer elements that constitute a two-dimensional array sensor so that the ultrasonic transducer elements for selected for transmission are arranged in line symmetry with respect to a first line symmetric axis to set the group selected for transmission. The element selecting circuit selects a group of a plurality of ultrasonic transducer elements for reception so that the ultrasonic transducer elements selected for reception are arranged in line symmetry with respect to a second line symmetric axis that is perpendicular to the first line symmetric axis to set the group selected for reception. A transmitting element selector selects, as transmitting elements, the ultrasonic transducer elements set by the element selecting circuit. A receiving element selector selects, as receiving elements, the ultrasonic transducer elements set by the element selecting circuit. | 06-02-2011 |
20110164033 | ULTRASONIC INSPECTION DEVICE AND ULTRASONIC INSPECTION METHOD - An ultrasonic inspection device allows position adjustment of three-dimensional inspection data and shape data to be easily performed on a display screen and allows a defect echo and a shape echo to be quickly identified. A calculator generates the three-dimensional inspection data from waveforms stored in a data storage unit. A three-dimensional display unit displays the three-dimensional inspection data generated by the calculator and the three-dimensional shape data on an object to be inspected. The calculator corrects the relative displayed positions of the three-dimensional inspection data and the three-dimensional shape data on the basis of a coordinate system defined by points and a surface that constitute a part of the three-dimensional shape data displayed by the three-dimensional display unit, and causes the three-dimensional display unit to display the three-dimensional inspection data and the three-dimensional shape data while the three-dimensional inspection data and the three-dimensional shape data overlap each other. | 07-07-2011 |
20110166807 | ULTRASONIC INSPECTION METHOD AND ULTRASONIC INSPECTION DEVICE - An ultrasonic inspection method and an ultrasonic inspection device allow three-dimensional inspection data and three-dimensional shape data to be appropriately positioned on a display screen and allow a defect echo and a shape echo to be quickly identified even when information on the relative positions of a probe and an object to be inspected is not provided. The ultrasonic inspection data that is generated from the waveforms of ultrasonic waves received by an ultrasonic probe is compared with a plurality of ultrasonic propagation data pieces calculated by a ray tracing method on the basis of the three-dimensional shape data on an object to be inspected. The position of the three-dimensional inspection data or the three-dimensional shape data is moved relative to the other data position on the basis of the comparison results, thereby displaying the three-dimensional inspection data and the three-dimensional shape data while overlapping each other. | 07-07-2011 |
20110197679 | ULTRASONIC INSPECTION SYSTEM AND ULTRASONIC INSPECTION METHOD - In an ultrasonic inspection method or ultrasonic inspection system in which an ultrasonic wave is propagated to an test object via a medium such as a liquid or a gas, an incident position of the ultrasonic wave is accurately and reliably identified. In an ultrasonic inspection method based on an immersion technique, an optical irradiator is mounted on an ultrasonic wave transmitting/receiving unit, an optical marker is irradiated from the optical irradiator to the test object, and an irradiated position of the optical marker is imaged using imaging equipment in order to perform inspection. | 08-18-2011 |
20120055251 | Ultrasonic Testing Method - An ultrasonic testing method is provided to measure a thickness of an object in a simple and highly accurate manner when crystal grains that form a metal solidification structure of a directionally-solidified material cast or the like have a statistical variation. | 03-08-2012 |
20120137778 | ULTRASONIC INSPECTION EQUIPMENT AND ULTRASONIC INSPECTION METHOD - Ultrasonic inspection equipment facilitates alignment of display positions of three-dimensional ultrasonic inspection data and three-dimensional shape data, and quickly discriminates between a defect echo and an inner-wall echo. A computer | 06-07-2012 |
20130068026 | Ultrasonic Inspection Method and Ultrasonic Inspection Apparatus - An ultrasonic inspection method and an ultrasonic inspection apparatus are provided, in which bending of a propagation path of an inspection object in three dimensions is considered. The ultrasonic inspection method includes calculating the ultrasonic propagation path by using three-dimensional shape data of the inspection object and information relating to a position and a direction of an ultrasonic sensor, giving spatial coordinates along the calculated ultrasonic propagation path to each point of sound field intensity data of an ultrasonic wave received in time series by the ultrasonic sensor, and displaying ultrasonic inspection data obtained by using the sound field intensity data and the spatial coordinates. | 03-21-2013 |
20130151171 | Ultrasonic Inspection Method, Ultrasonic Test Method and Ultrasonic Inspection Apparatus - The invention is directed to an ultrasonic inspection method, an ultrasonic test method, and an ultrasonic inspection apparatus that enable sizing to be executed even for a minute defect using an ultrasonic wave. A holder holds a transmitting probe for executing an angle beam method and a receiving probe for executing a vertical beam method. A motor and a guide rail form a movement mechanism for the transmitting probe and the receiving probe. In an ultrasonic test mode, the transmitting probe executes the angle beam method and transmits and receives an ultrasonic wave. In a sizing mode, the transmitting probe transmits an ultrasonic wave and the receiving probe receives this wave. A tip echo of a wave diffracted from a tip of a defect on a sample and a corner echo reflected from a corner of the defect are measured from a waveform received by the receiving probe. | 06-13-2013 |
20130193960 | Eddy Current Flaw Detection System and Eddy Current Flaw Detection Method - An eddy current flaw detection system includes an eddy current flaw detection probe having a substrate facing an inspection surface, and at least one exciting coil and at least two detecting coils provided on the substrate, a scanning device which scans the probe on the inspection surface, a scan control device which drives and controls the scanning device, an eddy current flaw detection device which acquires results of detection of a plurality of detection points corresponding to combinations of the exciting and detecting coils for each scan position of the probe, and a data processing/display device which processes data from the scan control device and the eddy current flaw detection device and thereby displays a result of flaw detection. The data processing/display device acquires three-dimensional coordinates of the detection points for each scan position of the probe and thereby creates three-dimensional flaw detection data. | 08-01-2013 |
20130197824 | APPARATUS AND METHOD FOR ULTRASONIC TESTING - An apparatus and a method for ultrasonic testing obtains high-resolution and high-S/N ratio testing results by driving a number of piezoelectric elements using fewer pulsers and receivers in comparison with the number of elements composing an array transducer. A sensor information setter sets a plurality of piezoelectric element groups used for transmission and a plurality of piezoelectric element groups used for reception among the plurality of piezoelectric elements composing an ultrasonic array transducer. A computer transmits an ultrasonic wave from the element cluster set for transmission, and stores an ultrasonic wave received by the element cluster set for reception. The procedure is repeated including different element cluster sets for transmission and reception to obtain first receive signals. The first receive signals are summed to obtain a second receive signal; and the second receive signal is displayed with reference to the sensor center position on a display unit. | 08-01-2013 |
20140035911 | ULTRASONIC INSPECTION EQUIPMENT AND ULTRASONIC INSPECTION METHOD - Ultrasonic inspection equipment facilitates alignment of display positions of three-dimensional ultrasonic inspection data and three-dimensional shape data, and quickly discriminates between a defect echo and an inner-wall echo. A computer | 02-06-2014 |