A stator vane assembly for a turbine and methods for forming the assembly
Turbine vane segments (10, 12) having outer and inner bands (14, 16) and a vane (18) extending therebetween are welded one to the other by E-beam welding along their adjoining margins (30, 32) and from the outside of the bands. The adjoining margins on the hot gas path sides of the outer and inner b...
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| creator | FULTON, JOHN ROBERT KIRKPATRICK, FRANCIS LAWRENCE GUNN, GEORGE G JONES, RAYMOND JOSEPH |
| description | Turbine vane segments (10, 12) having outer and inner bands (14, 16) and a vane (18) extending therebetween are welded one to the other by E-beam welding along their adjoining margins (30, 32) and from the outside of the bands. The adjoining margins on the hot gas path sides of the outer and inner bands (14, 16) are chamfered, TIG-welded and machined to provide a smooth, continuous gas path surface. The aft hook (28) of each segment is cut back to provide inset faces (47, 48, 50, 52) in a radially projecting flange and a flange extending axially from the radial flange. A filler piece having a body shaped to correspond to the shape of the space between the inset faces (47, 48, 50, 52) of the radial flange is E-beam welded to the radial flange. Gaps between a tongue on the filler piece and the inset faces of the axially extending flange are provided with weld filler material and TIG-welded to complete the welding of the aft hook. |
| format | Patent |
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The adjoining margins on the hot gas path sides of the outer and inner bands (14, 16) are chamfered, TIG-welded and machined to provide a smooth, continuous gas path surface. The aft hook (28) of each segment is cut back to provide inset faces (47, 48, 50, 52) in a radially projecting flange and a flange extending axially from the radial flange. A filler piece having a body shaped to correspond to the shape of the space between the inset faces (47, 48, 50, 52) of the radial flange is E-beam welded to the radial flange. Gaps between a tongue on the filler piece and the inset faces of the axially extending flange are provided with weld filler material and TIG-welded to complete the welding of the aft hook.</description><edition>7</edition><language>eng ; fre ; ger</language><subject>BLASTING ; CLADDING OR PLATING BY SOLDERING OR WELDING ; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ; ENGINE PLANTS IN GENERAL ; HEATING ; LIGHTING ; MACHINE TOOLS ; MACHINES OR ENGINES IN GENERAL ; MECHANICAL ENGINEERING ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES ; PERFORMING OPERATIONS ; SOLDERING OR UNSOLDERING ; STEAM ENGINES ; TRANSPORTING ; WEAPONS ; WELDING ; WORKING BY LASER BEAM</subject><creationdate>2005</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=20050119&DB=EPODOC&CC=EP&NR=1132166B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20050119&DB=EPODOC&CC=EP&NR=1132166B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FULTON, JOHN ROBERT</creatorcontrib><creatorcontrib>KIRKPATRICK, FRANCIS LAWRENCE</creatorcontrib><creatorcontrib>GUNN, GEORGE G</creatorcontrib><creatorcontrib>JONES, RAYMOND JOSEPH</creatorcontrib><title>A stator vane assembly for a turbine and methods for forming the assembly</title><description>Turbine vane segments (10, 12) having outer and inner bands (14, 16) and a vane (18) extending therebetween are welded one to the other by E-beam welding along their adjoining margins (30, 32) and from the outside of the bands. The adjoining margins on the hot gas path sides of the outer and inner bands (14, 16) are chamfered, TIG-welded and machined to provide a smooth, continuous gas path surface. The aft hook (28) of each segment is cut back to provide inset faces (47, 48, 50, 52) in a radially projecting flange and a flange extending axially from the radial flange. A filler piece having a body shaped to correspond to the shape of the space between the inset faces (47, 48, 50, 52) of the radial flange is E-beam welded to the radial flange. 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The adjoining margins on the hot gas path sides of the outer and inner bands (14, 16) are chamfered, TIG-welded and machined to provide a smooth, continuous gas path surface. The aft hook (28) of each segment is cut back to provide inset faces (47, 48, 50, 52) in a radially projecting flange and a flange extending axially from the radial flange. A filler piece having a body shaped to correspond to the shape of the space between the inset faces (47, 48, 50, 52) of the radial flange is E-beam welded to the radial flange. Gaps between a tongue on the filler piece and the inset faces of the axially extending flange are provided with weld filler material and TIG-welded to complete the welding of the aft hook.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | BLASTING CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINE TOOLS MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES PERFORMING OPERATIONS SOLDERING OR UNSOLDERING STEAM ENGINES TRANSPORTING WEAPONS WELDING WORKING BY LASER BEAM |
| title | A stator vane assembly for a turbine and methods for forming the assembly |
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