Integral backing ring for stub shaft weld repairs of rotating equipment and related method
A stub shaft section (16) adapted to be welded to a re-used end portion of a rotor shaft (12), the stub shaft section (16) including a hollow cylindrical member having a substantially uniform inner diameter and first chamfered end (18) adapted to form one side of a substantially V-shaped weld groove...
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| creator | GRYCKO LAWRENCE MICHAEL,NOLAN JOHN FRANCIS,SASSATELLI JOHN MATTHEW,BURNETT MARK EDWARD,COOK CARTER STEVEN,PARKER DAVID ROY |
| description | A stub shaft section (16) adapted to be welded to a re-used end portion of a rotor shaft (12), the stub shaft section (16) including a hollow cylindrical member having a substantially uniform inner diameter and first chamfered end (18) adapted to form one side of a substantially V-shaped weld groove (22), and an integral backing ring (20) extending axially beyond the chamfered end (18), the backing ring (20) having a circumferential recess (28) in a radially outer surface (30) thereof. A related method of replacing a stub shaft on an end of a rotor shaft comprising: (a) providing a new stub shaft (16) with a first chamfered end (18) and an integral backing ring (20); (b) aligning the first chamfered end (18) with a second chamfered end (14) on the rotor shaft (12), with the integral backing ring (20) overlapping the second chamfered end (14), and with the first and second chamfered ends (18), (14) forming a substantially V-shaped weld groove (22), with the integral backing ring (20) overlapping the second chamfered end (14); (c) filling the V-shaped groove (22) with weld material (32); (d) welding the stub shaft (16) to the rotor shaft (12); and (e) machining the integral backing ring (20) away from the stub shaft (16). |
| format | Patent |
| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_CN1958214A</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>CN1958214A</sourcerecordid><originalsourceid>FETCH-epo_espacenet_CN1958214A3</originalsourceid><addsrcrecordid>eNqFyr0KwjAUhuEuDqJeg-cGHOoP2FGKoouTk0s5bb60wTSJySnevgTcXd53eebF8-YEfWRLLXcv43qKOdpHSjK1lAbWQh9YRRGBTUzkNUUvLNnhPZkwwgmxy8KyQNEIGbxaFjPNNmH1-6JYX86P-rpB8A1S4A4O0tT3sjoct-X-tPsvvjQAOjU</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>Integral backing ring for stub shaft weld repairs of rotating equipment and related method</title><source>esp@cenet</source><creator>GRYCKO LAWRENCE MICHAEL,NOLAN JOHN FRANCIS,SASSATELLI JOHN MATTHEW,BURNETT MARK EDWARD,COOK CARTER STEVEN,PARKER DAVID ROY</creator><creatorcontrib>GRYCKO LAWRENCE MICHAEL,NOLAN JOHN FRANCIS,SASSATELLI JOHN MATTHEW,BURNETT MARK EDWARD,COOK CARTER STEVEN,PARKER DAVID ROY</creatorcontrib><description>A stub shaft section (16) adapted to be welded to a re-used end portion of a rotor shaft (12), the stub shaft section (16) including a hollow cylindrical member having a substantially uniform inner diameter and first chamfered end (18) adapted to form one side of a substantially V-shaped weld groove (22), and an integral backing ring (20) extending axially beyond the chamfered end (18), the backing ring (20) having a circumferential recess (28) in a radially outer surface (30) thereof. A related method of replacing a stub shaft on an end of a rotor shaft comprising: (a) providing a new stub shaft (16) with a first chamfered end (18) and an integral backing ring (20); (b) aligning the first chamfered end (18) with a second chamfered end (14) on the rotor shaft (12), with the integral backing ring (20) overlapping the second chamfered end (14), and with the first and second chamfered ends (18), (14) forming a substantially V-shaped weld groove (22), with the integral backing ring (20) overlapping the second chamfered end (14); (c) filling the V-shaped groove (22) with weld material (32); (d) welding the stub shaft (16) to the rotor shaft (12); and (e) machining the integral backing ring (20) away from the stub shaft (16).</description><language>eng</language><subject>BEARINGS ; BLASTING ; CLADDING OR PLATING BY SOLDERING OR WELDING ; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ; ELEMENTS OR CRANKSHAFT MECHANISMS ; ENGINEERING ELEMENTS AND UNITS ; FLEXIBLE SHAFTS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; LIGHTING ; MACHINE TOOLS ; MECHANICAL ENGINEERING ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; PERFORMING OPERATIONS ; ROTARY BODIES OTHER THAN GEARING ELEMENTS ; SHAFTS ; SOLDERING OR UNSOLDERING ; THERMAL INSULATION IN GENERAL ; TRANSPORTING ; WEAPONS ; WELDING ; WORKING BY LASER BEAM</subject><creationdate>2007</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20070509&DB=EPODOC&CC=CN&NR=1958214A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20070509&DB=EPODOC&CC=CN&NR=1958214A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GRYCKO LAWRENCE MICHAEL,NOLAN JOHN FRANCIS,SASSATELLI JOHN MATTHEW,BURNETT MARK EDWARD,COOK CARTER STEVEN,PARKER DAVID ROY</creatorcontrib><title>Integral backing ring for stub shaft weld repairs of rotating equipment and related method</title><description>A stub shaft section (16) adapted to be welded to a re-used end portion of a rotor shaft (12), the stub shaft section (16) including a hollow cylindrical member having a substantially uniform inner diameter and first chamfered end (18) adapted to form one side of a substantially V-shaped weld groove (22), and an integral backing ring (20) extending axially beyond the chamfered end (18), the backing ring (20) having a circumferential recess (28) in a radially outer surface (30) thereof. A related method of replacing a stub shaft on an end of a rotor shaft comprising: (a) providing a new stub shaft (16) with a first chamfered end (18) and an integral backing ring (20); (b) aligning the first chamfered end (18) with a second chamfered end (14) on the rotor shaft (12), with the integral backing ring (20) overlapping the second chamfered end (14), and with the first and second chamfered ends (18), (14) forming a substantially V-shaped weld groove (22), with the integral backing ring (20) overlapping the second chamfered end (14); (c) filling the V-shaped groove (22) with weld material (32); (d) welding the stub shaft (16) to the rotor shaft (12); and (e) machining the integral backing ring (20) away from the stub shaft (16).</description><subject>BEARINGS</subject><subject>BLASTING</subject><subject>CLADDING OR PLATING BY SOLDERING OR WELDING</subject><subject>CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING</subject><subject>ELEMENTS OR CRANKSHAFT MECHANISMS</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>FLEXIBLE SHAFTS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MACHINE TOOLS</subject><subject>MECHANICAL ENGINEERING</subject><subject>METAL-WORKING NOT OTHERWISE PROVIDED FOR</subject><subject>PERFORMING OPERATIONS</subject><subject>ROTARY BODIES OTHER THAN GEARING ELEMENTS</subject><subject>SHAFTS</subject><subject>SOLDERING OR UNSOLDERING</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>TRANSPORTING</subject><subject>WEAPONS</subject><subject>WELDING</subject><subject>WORKING BY LASER BEAM</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2007</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqFyr0KwjAUhuEuDqJeg-cGHOoP2FGKoouTk0s5bb60wTSJySnevgTcXd53eebF8-YEfWRLLXcv43qKOdpHSjK1lAbWQh9YRRGBTUzkNUUvLNnhPZkwwgmxy8KyQNEIGbxaFjPNNmH1-6JYX86P-rpB8A1S4A4O0tT3sjoct-X-tPsvvjQAOjU</recordid><startdate>20070509</startdate><enddate>20070509</enddate><creator>GRYCKO LAWRENCE MICHAEL,NOLAN JOHN FRANCIS,SASSATELLI JOHN MATTHEW,BURNETT MARK EDWARD,COOK CARTER STEVEN,PARKER DAVID ROY</creator><scope>EVB</scope></search><sort><creationdate>20070509</creationdate><title>Integral backing ring for stub shaft weld repairs of rotating equipment and related method</title><author>GRYCKO LAWRENCE MICHAEL,NOLAN JOHN FRANCIS,SASSATELLI JOHN MATTHEW,BURNETT MARK EDWARD,COOK CARTER STEVEN,PARKER DAVID ROY</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN1958214A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2007</creationdate><topic>BEARINGS</topic><topic>BLASTING</topic><topic>CLADDING OR PLATING BY SOLDERING OR WELDING</topic><topic>CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING</topic><topic>ELEMENTS OR CRANKSHAFT MECHANISMS</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>FLEXIBLE SHAFTS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MACHINE TOOLS</topic><topic>MECHANICAL ENGINEERING</topic><topic>METAL-WORKING NOT OTHERWISE PROVIDED FOR</topic><topic>PERFORMING OPERATIONS</topic><topic>ROTARY BODIES OTHER THAN GEARING ELEMENTS</topic><topic>SHAFTS</topic><topic>SOLDERING OR UNSOLDERING</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>TRANSPORTING</topic><topic>WEAPONS</topic><topic>WELDING</topic><topic>WORKING BY LASER BEAM</topic><toplevel>online_resources</toplevel><creatorcontrib>GRYCKO LAWRENCE MICHAEL,NOLAN JOHN FRANCIS,SASSATELLI JOHN MATTHEW,BURNETT MARK EDWARD,COOK CARTER STEVEN,PARKER DAVID ROY</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>GRYCKO LAWRENCE MICHAEL,NOLAN JOHN FRANCIS,SASSATELLI JOHN MATTHEW,BURNETT MARK EDWARD,COOK CARTER STEVEN,PARKER DAVID ROY</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Integral backing ring for stub shaft weld repairs of rotating equipment and related method</title><date>2007-05-09</date><risdate>2007</risdate><abstract>A stub shaft section (16) adapted to be welded to a re-used end portion of a rotor shaft (12), the stub shaft section (16) including a hollow cylindrical member having a substantially uniform inner diameter and first chamfered end (18) adapted to form one side of a substantially V-shaped weld groove (22), and an integral backing ring (20) extending axially beyond the chamfered end (18), the backing ring (20) having a circumferential recess (28) in a radially outer surface (30) thereof. A related method of replacing a stub shaft on an end of a rotor shaft comprising: (a) providing a new stub shaft (16) with a first chamfered end (18) and an integral backing ring (20); (b) aligning the first chamfered end (18) with a second chamfered end (14) on the rotor shaft (12), with the integral backing ring (20) overlapping the second chamfered end (14), and with the first and second chamfered ends (18), (14) forming a substantially V-shaped weld groove (22), with the integral backing ring (20) overlapping the second chamfered end (14); (c) filling the V-shaped groove (22) with weld material (32); (d) welding the stub shaft (16) to the rotor shaft (12); and (e) machining the integral backing ring (20) away from the stub shaft (16).</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BEARINGS BLASTING CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MACHINE TOOLS MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS SOLDERING OR UNSOLDERING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WELDING WORKING BY LASER BEAM |
| title | Integral backing ring for stub shaft weld repairs of rotating equipment and related method |
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