[특허]Method for inspection and repair

[미국특허] Method for inspection and repair 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B23P-006/00
출원번호	UP-0364478 (2006-02-28)
등록번호	US-7617603 (2009-11-27)
발명자 / 주소	Coleman, Kent Gandy, David Wayne Frederick, Greg Tilley, Rich
출원인 / 주소	Electric Power Research Institute, Inc.
대리인 / 주소	Curatolo Sidoti Co. LPA
인용정보	피인용 횟수 : 2 인용 특허 : 63

초록 ▼

A method for the inspection and repair of a tube includes electrical discharge machining an access hole into the tube, optionally at or near the uppermost location on the tube, near the upper header; performing inspection of the tube, optionally using a visual or an eddy current inspection technique; providing an inner diameter flush-mounted plug insert which has been machined for re-inserting into the access hole; and attaching the plug insert to the tube.

대표청구항 ▼

We claim: 1. A method for the inspection and repair of a tube comprising: Mounting a travel beam to a water-wall; and, disposing an access hole creation carriage and slide assembly on the travel beam; wherein the access hole creation carriage is capable of indexing along the length of the beam and centering on each individual tube, creating the access holes in the tubes, and providing weld geometry for attaching a plug insert; Creating an access hole into the tube, optionally at or near the uppermost location on the tube, near the upper header; Performing inspection of the tube, optionally using a visual or an eddy current inspection technique; Providing an inner diameter flush-mounted plug insert, which has been prepared for re-inserting into the access hole; and, Attaching the plug insert to the tube. 2. The method of claim 1, wherein said attaching comprises placing a high temperature braze compound on mating surfaces of the tube or the plug insert, and curing at a temperature above the tube operating temperature, sufficient to promote diffusion of the braze compound into the mating surfaces, and to develop a bond. 3. The method of claim 2, wherein the cure temperature is between about 1100° F. and about 1300° F. 4. The method of claim 1, wherein said attaching comprises joining the mating surfaces with an exothermic welding compound. 5. The method of claim 1, wherein said attaching comprises welding the plug insert to the tube. 6. The method of claim 1, including gravity feeding an inspection device into the tube through the access hole. 7. The method of claim 1, wherein the plug insert is prepared to match the contour of the inner diameter of the tube. 8. The method of claim 1, wherein said attaching comprises gas tungsten arc welding. 9. The method of claim 1, wherein said creating an access hole comprises electrical discharge machining. 10. The method of claim 1, including preparing the plug insert for re-insertion by machining. 11. The method of claim 1, wherein said performing inspection comprises inserting an inspection probe into the access hole. 12. The method of claim 11, wherein the inspection probe is a borescope. 13. The method of claim 1, including encoding the location of damage in the hole. 14. The method of claim 1, including capturing the access hole tube cutout.

이 특허에 인용된 특허 (63) 인용/피인용 타임라인 분석

Findlan Shane Joseph, Apparatus and method for centering a laser welding probe within a tube using gas pressure.
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Findlan Shane J. ; Frederick Gregory J. ; Peterson ; Jr. Artie G. ; Baucom J. Darryl, Apparatus and method for precision excavation and welding of thick-walled components.
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Lapides Melvin E. (Mountain View CA), Apparatus and method for ultrasonic detection of flaws in power plant piping systems.
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Stanley Maurice Walker ; Steven Allen Kenefick ; Robert Jeffery Lowery ; Adam Roy Caban, Apparatus and method for ultrasonically examining remotely located welds in cast stainless steel nuclear steam supply systems.
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Walker Stanley Maurice ; Kenefick Steven Allen ; Lowery Robert Jeffery ; Caban Adam Roy, Apparatus and method for ultrasonically examining remotely located welds in cast stainless steel nuclear steam supply systems.
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Pryor Timothy R. (Windsor CAX), Apparatus for determining dimensions.
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Minerbo, Gerald N.; Hazen, Gary A., Apparatus for measuring the inside diameter of a metallic pipe in a well.
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Rose Joseph L. ; Ditri John J. ; Carr Frank T. ; Spanner ; Jr. Jack C. ; Jiao Dale, Bore probe for tube inspection with guided waves and method therefor.
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Eaton Steven G. ; Kudinar Rusmin ; Wheeler William R., Constant-force profilometer with stylus-stabilizing sensor assembly, dual-view optics, and temperature drift compensatio.
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Da Costa Vieira David (Puyricard FR) Dufayet Jean-Pierre (Aix-en-Provence FR) Lemaire Maurice (Manosque FR), Device for accurate measurement of the dimensions of an object by ultrasonic waves.
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Vrillon Bernard (Wissous FRX), Device for stopping a leak in a straight portion of a heat-exchanger tube.
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Davis Thomas J. (Richland WA) Perry Charles B. (Richland WA), Digitally controlled multifrequency eddy current test apparatus and method.
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MacLauchlan Daniel T. (Lynchburg Township VA) Latimer Paul J. (Lynchburg VA) Latham Wayne M. (Forest VA), EMAT with integral electrostatic shield.
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Dau Gary J. (Palo Alto CA) Schiltz David C. (Columbus OH) Schneider William R. (Athens OH), Eddy current probe with sensor supporting expandable elastic membrane for inspecting hollow cylindrical structures.
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Hara Yoshiaki (Tokyo JPX), Electromagnetic acoustic transducer.
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MacLauchlan Daniel T., Electromagnetic acoustic transducer (EMAT) for ultrasonic inspection of liquids in containers.
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Hancock Jimmy W. ; MacLauchlan Daniel T. ; Murphy Ralph D., Electromagnetic acoustic transducer (EMAT) inspection of cracks in boiler tubes.
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Rosenberg Jeffrey S. ; Land Mark ; Cook Pat, Electromagnetic acoustic transducer (EMAT) system and method for eliminating noise produced by static discharge.
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Ohtani Toshihiro,JPX ; Ogi Hirotsugu,JPX ; Hirao Masahiko,JPX, Electromagnetic acoustic transducer EMAT and inspection system with EMAR.
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Peterson William E. (Thousand Oaks CA) Thompson Robert B. (Thousand Oaks CA) Vasile Carmine F. (Lloyd Neck NY), Electromagnetic acoustic transducer for tube inspection.
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Ziola, Steven M.; Gorman, Michael R.; Miller, William J., Hand-held variable angle membrane (VAM) ultrasonic scanning head for the noninvasive detection of corrosion, MIC and foreign objects in pipes.
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Zayicek, Paul A.; Selby, Greg P.; Dennis, Mark A., Inspection of shrunk-on steam turbine disks using advanced ultrasonic techniques.
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Lockett John L. (Chatsworth CA), Inspection system.
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Posakony Gerald J. (Richland WA) Hildebrand B. Percy (Richland WA) Davis Thomas J. (Richland WA), Linear transducer array and method for both pulse-echo and holographic acoustic imaging.
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Siddall ; Graham John, Measuring apparatus.
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Gandy, David Wayne; Hales, James William; Newell, Jr., William Frederick; Coleman, Kent K.; Frederick, Gregory J.; Tilley, Richard M., Method and apparatus and prefabricated replacement tube for localized waterwall repair.
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Pryor Timothy R.,CAX, Method and apparatus for determining dimensions.
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Pryor Timothy R. (Windsor CAX) Hageniers Omer L. (Windsor CAX) Pastorius Walter J. (Windsor CAX) Liptay-Wagner Nicholas (Windsor CAX) Clarke Donald A. (Windsor CAX), Method and apparatus for determining physical characteristics of objects and object surfaces.
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Vasile Carmine F. (Thousand Oaks CA) Thompson Robert B. (Thousand Oaks CA) Fortunko Christopher M. (Albuquerque NM), Method and apparatus for efficiently generating elastic waves with a transducer.
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Liang Kenneth K. ; Herve Philippe G.,FRX ; Stanke Fred E., Method and apparatus for inspecting well bore casing.
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Liang Kenneth K. ; Herve Philippe G.,FRX ; Stanke Fred E., Method and apparatus for inspecting well bore casing.
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Nakata Roy (Palo Alto CA) Rabinowitz Mario (Redwood City CA) Nottingham Lawrence D. (Charlotte NC), Method and apparatus for magnetic detection of flaws.
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Minerbo, Gerald N.; McCann, R. Bruce, Method and apparatus for measuring the inside diameter of a metallic pipe in a well.
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Davis Thomas J. (Richland WA), Method and apparatus for non-destructively testing electrically conductive elongate cylindrical components using an eddy.
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Findlan Shane J. (Harrisburg NC) Childs Wylie J. (Belmont CA), Method and apparatus for repairing damaged tubes.
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Findlan Shane J. (Harrisburg NC) Childs Wylie J. (Belmont CA), Method and apparatus for repairing damaged tubes by interior laser clad welding.
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Peterson, Jr., Artie Gene; Gandy, David Wayne; Frederick, Gregory J.; Stover, Jan T.; Viswanathan, Ramaswamy, Method and apparatus for repairing superalloy components.
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Hildebrand B. Percy (Richland WA), Method and apparatus for ultrasonically measuring concentrations of stress.
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Hively Lee Mizener (Williamsport PA), Method and apparatus for ultrasonically measuring deviation from straightness, or wall curvature or axial curvature, of.
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Elsley Richard K. (Thousand Oaks CA) Thompson R. Bruce (Thousand Oaks CA), Method and means for ultrasonic inspection.
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MacLauchlan Daniel T., Method for determining liquid level in a container using an electromagnetic acoustic transducer (EMAT).
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Rabe George B. (Sparta NJ), Method for remotely replacing tube ends in a heat exchanger.
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Findlan Shane Joseph ; Spanner Jack C., Method for repairing heat exchanger tubing through partial tube replacement.
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Spada Ralph E. (Canal Fulton OH) Shilot Thomas (Bidwell OH), Method for replacing tubes in a header or drum.
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Vucic Drago M. (Lorain OH), Method for replacing worn tubes in a gas hood.
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Findlan Shane J. (Harrisburg NC) Frederick Gregory J. (Harrisburg NC) Peterson ; Jr. Artie G. (Locust NC) Childs Wylie J. (Belmont CA), Method of forming a clad weld on the interior surface of a tube with a synchronously rotating welding apparatus.
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Dau Gary J. (Palo Alto CA), Method of monitoring defects in tubular products.
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Archer Jacques (Chatenay-Malabry FRX) Moreau Georges (Viriat FRX) Besson Daniel (Lyons FRX) Giraud Benoit (Lyons FRX), Method of replacing a tube on a straight-tube heat exchanger.
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Wentzell Timothy H. (South Windsor CT) Kuljis Zoran (Zagreb YUX), Nozzle inner radius inspection system.
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Welker Brian H., Optical inspection insertion apparatus for pressurized vessels.
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Raab, Simon; Sajedi, Seyed Ali; Hasloecher, Kenneth J.; Barber, Marc, Portable coordinate measurement machine.
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Parzuchowski Halina M. (Ballwin MO) Reighard Mark K. (O\Fallon MO) Kintz Kevin G. (St. Charles MO), Portable laser/ultrasonic method for nondestructive inspection of complex structures.
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Fisk Allan T. (Needham MA) Freed David I. (Weston MA), Process of press fitting pipe sections together to form a pipeline.
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Wilkins Robert L. (Houston TX) Williams Charles F. (Swartz Creek MI), Removal of portions of tubes from steam generator of nuclear reactor.
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Findlan Shane J. (Harrisburg NC) Frederick Gregory J. (Harrisburg NC) Peterson ; Jr. Artie G. (Locust NC) Childs Wylie J. (Belmont CA), Rotating apparatus for repairing damaged tubes.
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Latimer Paul J. (Lynchburg VA) Owens Gary W. (Rustburg VA) Perez Nelson (Lynchburg VA) Sarantos Christos N. (Forest VA), Rotating electromagnetic acoustic transducer for metal inspection.
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Zeger Andrew E. (Wyndmoor PA) Abrams Burton S. (Wyndmoor PA) Rose Joseph L. (Churchville PA) Avioli ; Jr. Michael J. (Havertown PA) Singh Gurvinder P. (San Antonio TX), System and method for measuring ultrasonic return signals.
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Thomas, Graham H.; Morrow, Valerie L.; Levie, Harold; Kane, Ronald J.; Brown, Albert E., Ultrasonic pipe assessment.
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Willie V. Evans ; Gary K. Evans, Vessel and pipeline insertion tool.
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Wood Jerry W. (Charlotte NC), Welding tool.
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A	생활필수품
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[미국특허] Method for inspection and repair 원문보기

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[미국특허] Method for inspection and repair 원문보기

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