1
Akira Abe, Isamu Ishida, Kaneyoshi Katsumata: Ultrasonic flaw detecting system. Omron Tateisi Electronics Co, Foley & Lardner Schwartz Jeffery Schwaab Mack Blumenthal & Evans, May 10, 1988: US04742713 (31 worldwide citation)

An ultrasonic flaw detecting system comprises a manual scanning unit equipped with a probe and capable of producing a probe position data signal, an ultrasonic flaw detector for transmitting an ultrasonic signal to the probe and producing flaw detection data on the basis of a reflection echo signal ...


2
Benjamin J Ross, James M Toth, Richard F Abramczyk, Gerald R Coy: Ultrasonic inspection. Republic Steel Corporation, Watts Hoffmann Fisher & Heinke Co, April 1, 1980: US04195530 (27 worldwide citation)

An ultrasonic flaw detector for detecting irregularities in an object, such as a pipe, having a segment of annular cross-section. The detector includes a transducer with an involute transmitting surface for sending ultrasonic signals into the object at equal non-radial angles of incidence. The detec ...


3
Akisuke Naruse, Tatsukuma Hosono, Kazuo Takaku, Shigeru Kajiyama: Ultrasonic flaw detector. Hitachi, Hitachi Engineering, Beall Law Offices, October 2, 1984: US04474064 (27 worldwide citation)

An ultrasonic flaw detector for detecting any flaw existing in the inner peripheral corner section of the joint portion between the barrel of a nuclear reactor pressure vessel and each of a plurality of cylindrical nozzles projecting from the barrel, by means of an ultrasonic wave applied from the o ...


4
Kichio Nakajima, Kazuo Honma, Yukio Sumiya, Takeshi Yamaguchi, Hiroshi Inamitsu, Eiji Minamiyama: Ultrasonic flaw detector. Hitachi Construction Machinery, Cushman Darby & Cushman, August 9, 1994: US05335547 (23 worldwide citation)

The distance sensor means and the ultrasonic probe are integrally coupled to each other in such a manner that a preceding scanning line to a current scanning line which is scanned by the ultrasonic probe is scanned by the distance sensor means, and the shape-measurement scanning operation of the dis ...


5
Tomonori Kimura, Shusou Wadaka, Shumpei Kameyama, Mitsuhiro Koike, Yuuichi Manome: Ultrasonic flaw detector apparatus and ultrasonic flaw-detection method. Mitsubishi Denki Kabushiki Kaisha, July 25, 2000: US06092420 (19 worldwide citation)

An ultrasonic flaw detection apparatus is equipped with a probe which is driven by a transmission signal and which transmits an ultrasonic pulse at an angle with respect to a surface of a test object. The probe receives an ultrasonic pulse, which has been reflected by a defect in the test object, as ...


6
Yugoro Ishii, Motohisa Onozawa, Akihiko Katamine: Ultrasonic flaw detector probe. Kabushiki Kaisha Komatsu Seisakusho, Frost & Jacobs, December 15, 1987: US04712428 (15 worldwide citation)

A first ultrasonic transducer (e.g. for wave reception) is mounted at the open bottom of a probe housing. One or more lenses are disposed around the first transducer and have a sloping surface or surfaces on which at least two second ultrasonic transducers (e.g. for transmission) are mounted. The se ...


7
Anthony N Mucciardi, Thomas J Tilden: Noise suppression and signal enhancement system for ultrasonic non-destructive inspection/evaluation. SLX, James Creighton Wray, Meera P Narasimhan, November 5, 2002: US06474164 (13 worldwide citation)

The Noise Suppressor II provides procedures and add-on units, which are attached to standard analog or digital ultrasonic flaw detector instruments for either suppressing noise spikes that clutter the flaw detector screens, or other undesired signals, or enhancing weak, barely detectable signals. Th ...


8
Muto Iwao, Matsumura Yutaka, Nishifuji Katsuyuki, Matsuura Kenji: Holding and follow-up mechanism for ultrasonic flaw detector. Nippon Kokan Kabushiki Kaisha, June 20, 1972: US3670562 (12 worldwide citation)

An ultrasonic flaw detector element is mounted on a shoe which is connected to a holding arm by a four linked mechanism. The four linked mechanism consists of two pairs of substantially parallel links spaced laterally on the shoe so that the shoe may be moved into a material engaging position and aw ...


9
J Montgomery Rainey, Francis M Taylor: Walking-gate ultrasonic flaw detector. Systems Research Laboratories, Biebel French & Nauman, October 6, 1981: US04292848 (12 worldwide citation)

A microprocessor-based ultrasonic inspection system reliably detects fatigue cracks smaller than 0.030 inch under installed fasteners by means of a unique signal-processing method. The signal-processing used in this invention takes advantage of the fact that crack signals "walk" in time as a transdu ...


10
Kazuo Takaku, Akisuke Naruse, Hirotsugu Fujimoto, Hiroshi Kimura: Rail apparatus around nuclear reactor pressure vessel and method of installing the same. Hitachi, Hitachi Engineering, Beall Law Offices, May 21, 1985: US04518560 (11 worldwide citation)

A rail apparatus for running an automatic ultrasonic flaw detector around a reactor pressure vessel for detecting any flaw in the weld beads on the reactor pressure vessel. At least two circumferential rails and vertical rails are connected through turn tables at their crossing points to form a rail ...