Hole liners for repair of variable vane shroud counterbore holes
A variable vane shroud (36) for a gas turbine engine (10) comprises a cylindrically shaped body, a hole (55B) arranged at a circumference of the body, and a counterbore (56B) arranged concentrically around the hole on a radially inward facing surface of the body. The hole (55B) is for receiving a tr...
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| creator | ADDIS, MARK E |
| description | A variable vane shroud (36) for a gas turbine engine (10) comprises a cylindrically shaped body, a hole (55B) arranged at a circumference of the body, and a counterbore (56B) arranged concentrically around the hole on a radially inward facing surface of the body. The hole (55B) is for receiving a trunnion (43) from a variable vane (32B) and the counterbore is for receiving a hub (45) from the variable vane (32B). A liner (52) is inserted into the hole (55B) and counterbore (56B) such that the trunnion (43) and hub (45) are provided with a contact surface. The invention also provides a method for repairing a damaged counterbore (54B) in a variable vane shroud (36). A liner (52) having a shape corresponding to a layer of material removed from the shroud is inserted into the void left by removing damaged material such that the counterbore is restored to pre-damaged dimensions. |
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The hole (55B) is for receiving a trunnion (43) from a variable vane (32B) and the counterbore is for receiving a hub (45) from the variable vane (32B). A liner (52) is inserted into the hole (55B) and counterbore (56B) such that the trunnion (43) and hub (45) are provided with a contact surface. The invention also provides a method for repairing a damaged counterbore (54B) in a variable vane shroud (36). A liner (52) having a shape corresponding to a layer of material removed from the shroud is inserted into the void left by removing damaged material such that the counterbore is restored to pre-damaged dimensions.</description><language>eng ; fre ; ger</language><subject>BLASTING ; COMBINED OPERATIONS ; 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 ; NON-POSITIVE DISPLACEMENT PUMPS ; OTHER WORKING OF METAL ; PERFORMING OPERATIONS ; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS ; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ; STEAM ENGINES ; TRANSPORTING ; UNIVERSAL MACHINE TOOLS ; WEAPONS</subject><creationdate>2016</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=20161005&DB=EPODOC&CC=EP&NR=2565380A3$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20161005&DB=EPODOC&CC=EP&NR=2565380A3$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ADDIS, MARK E</creatorcontrib><title>Hole liners for repair of variable vane shroud counterbore holes</title><description>A variable vane shroud (36) for a gas turbine engine (10) comprises a cylindrically shaped body, a hole (55B) arranged at a circumference of the body, and a counterbore (56B) arranged concentrically around the hole on a radially inward facing surface of the body. The hole (55B) is for receiving a trunnion (43) from a variable vane (32B) and the counterbore is for receiving a hub (45) from the variable vane (32B). A liner (52) is inserted into the hole (55B) and counterbore (56B) such that the trunnion (43) and hub (45) are provided with a contact surface. The invention also provides a method for repairing a damaged counterbore (54B) in a variable vane shroud (36). A liner (52) having a shape corresponding to a layer of material removed from the shroud is inserted into the void left by removing damaged material such that the counterbore is restored to pre-damaged dimensions.</description><subject>BLASTING</subject><subject>COMBINED OPERATIONS</subject><subject>ENGINE PLANTS IN GENERAL</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MACHINE TOOLS</subject><subject>MACHINES OR ENGINES IN GENERAL</subject><subject>MECHANICAL ENGINEERING</subject><subject>METAL-WORKING NOT OTHERWISE PROVIDED FOR</subject><subject>NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES</subject><subject>NON-POSITIVE DISPLACEMENT PUMPS</subject><subject>OTHER WORKING OF METAL</subject><subject>PERFORMING OPERATIONS</subject><subject>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</subject><subject>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</subject><subject>STEAM ENGINES</subject><subject>TRANSPORTING</subject><subject>UNIVERSAL MACHINE TOOLS</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2016</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHDwyM9JVcjJzEstKlZIyy9SKEotSMwsUshPUyhLLMpMTALKliXmpSoUZxTll6YoJOeX5pWkFiXlF6UqZAC1FvMwsKYl5hSn8kJpbgYFN9cQZw_d1IL8-NTigsTk1LzUknjXACNTM1NjCwNHY2MilAAAXbEw6Q</recordid><startdate>20161005</startdate><enddate>20161005</enddate><creator>ADDIS, MARK E</creator><scope>EVB</scope></search><sort><creationdate>20161005</creationdate><title>Hole liners for repair of variable vane shroud counterbore holes</title><author>ADDIS, MARK E</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP2565380A33</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2016</creationdate><topic>BLASTING</topic><topic>COMBINED OPERATIONS</topic><topic>ENGINE PLANTS IN GENERAL</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MACHINE TOOLS</topic><topic>MACHINES OR ENGINES IN GENERAL</topic><topic>MECHANICAL ENGINEERING</topic><topic>METAL-WORKING NOT OTHERWISE PROVIDED FOR</topic><topic>NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES</topic><topic>NON-POSITIVE DISPLACEMENT PUMPS</topic><topic>OTHER WORKING OF METAL</topic><topic>PERFORMING OPERATIONS</topic><topic>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</topic><topic>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</topic><topic>STEAM ENGINES</topic><topic>TRANSPORTING</topic><topic>UNIVERSAL MACHINE TOOLS</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>ADDIS, MARK E</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ADDIS, MARK E</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Hole liners for repair of variable vane shroud counterbore holes</title><date>2016-10-05</date><risdate>2016</risdate><abstract>A variable vane shroud (36) for a gas turbine engine (10) comprises a cylindrically shaped body, a hole (55B) arranged at a circumference of the body, and a counterbore (56B) arranged concentrically around the hole on a radially inward facing surface of the body. The hole (55B) is for receiving a trunnion (43) from a variable vane (32B) and the counterbore is for receiving a hub (45) from the variable vane (32B). A liner (52) is inserted into the hole (55B) and counterbore (56B) such that the trunnion (43) and hub (45) are provided with a contact surface. The invention also provides a method for repairing a damaged counterbore (54B) in a variable vane shroud (36). A liner (52) having a shape corresponding to a layer of material removed from the shroud is inserted into the void left by removing damaged material such that the counterbore is restored to pre-damaged dimensions.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | BLASTING COMBINED OPERATIONS 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 NON-POSITIVE DISPLACEMENT PUMPS OTHER WORKING OF METAL PERFORMING OPERATIONS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS STEAM ENGINES TRANSPORTING UNIVERSAL MACHINE TOOLS WEAPONS |
| title | Hole liners for repair of variable vane shroud counterbore holes |
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