METHOD AND APPARATUS FOR SIMULATION TEST OF CENTRIFUGAL STRESS OF TURBINE BLADE
The object is to provide a method and device to detect internal defect in the weld overlaid portion of erosion resistant material in the border portion between the blade profile and the shroud of a turbine blade with high accuracy by a static test method for an individual turbine blade applying a re...
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| creator | MORI, KAZUSHI ASAKA, HARUHIKO MICHINISHI, JUNYA MIYAJIMA, KEIICHIRO TANAKA, TAKESHI |
| description | The object is to provide a method and device to detect internal defect in the weld overlaid portion of erosion resistant material in the border portion between the blade profile and the shroud of a turbine blade with high accuracy by a static test method for an individual turbine blade
applying a resultant pressing force, corresponding to centrifugal force and
untwisting force of the turbine blade 10 in operation of the turbine, to the shroud 12 with installing the blade root 18 of the turbine blade 10 to the blade root retainer 20 and applying a force in the direction of centrifugal force on the blade root 18 from outside of the blade root retainer 20 to eliminate backlash between the blade root 18 and blade root retainer 20, retaining securely the shroud 12 on the side opposite to the portion which is applied the pressing force, and
implementing simulated test of centrifugal stress in the weld-overlaid portion by applying the resultant pressing force, corresponding to centrifugal force and untwisting force of the turbine blade 10 in operation of the turbine, to the shroud 12. |
| format | Patent |
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applying a resultant pressing force, corresponding to centrifugal force and
untwisting force of the turbine blade 10 in operation of the turbine, to the shroud 12 with installing the blade root 18 of the turbine blade 10 to the blade root retainer 20 and applying a force in the direction of centrifugal force on the blade root 18 from outside of the blade root retainer 20 to eliminate backlash between the blade root 18 and blade root retainer 20, retaining securely the shroud 12 on the side opposite to the portion which is applied the pressing force, and
implementing simulated test of centrifugal stress in the weld-overlaid portion by applying the resultant pressing force, corresponding to centrifugal force and untwisting force of the turbine blade 10 in operation of the turbine, to the shroud 12.</description><language>eng ; fre ; ger</language><subject>BLASTING ; ENGINE PLANTS IN GENERAL ; HEATING ; LIGHTING ; MACHINES OR ENGINES IN GENERAL ; MECHANICAL ENGINEERING ; NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES ; STEAM ENGINES ; WEAPONS</subject><creationdate>2012</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=20120321&DB=EPODOC&CC=EP&NR=2431576A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120321&DB=EPODOC&CC=EP&NR=2431576A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MORI, KAZUSHI</creatorcontrib><creatorcontrib>ASAKA, HARUHIKO</creatorcontrib><creatorcontrib>MICHINISHI, JUNYA</creatorcontrib><creatorcontrib>MIYAJIMA, KEIICHIRO</creatorcontrib><creatorcontrib>TANAKA, TAKESHI</creatorcontrib><title>METHOD AND APPARATUS FOR SIMULATION TEST OF CENTRIFUGAL STRESS OF TURBINE BLADE</title><description>The object is to provide a method and device to detect internal defect in the weld overlaid portion of erosion resistant material in the border portion between the blade profile and the shroud of a turbine blade with high accuracy by a static test method for an individual turbine blade
applying a resultant pressing force, corresponding to centrifugal force and
untwisting force of the turbine blade 10 in operation of the turbine, to the shroud 12 with installing the blade root 18 of the turbine blade 10 to the blade root retainer 20 and applying a force in the direction of centrifugal force on the blade root 18 from outside of the blade root retainer 20 to eliminate backlash between the blade root 18 and blade root retainer 20, retaining securely the shroud 12 on the side opposite to the portion which is applied the pressing force, and
implementing simulated test of centrifugal stress in the weld-overlaid portion by applying the resultant pressing force, corresponding to centrifugal force and untwisting force of the turbine blade 10 in operation of the turbine, to the shroud 12.</description><subject>BLASTING</subject><subject>ENGINE PLANTS IN GENERAL</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MACHINES OR ENGINES IN GENERAL</subject><subject>MECHANICAL ENGINEERING</subject><subject>NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES</subject><subject>STEAM ENGINES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2012</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNiksKwjAQQLNxIdU7zAW6qPWznrYTG0iTkJmsS5G4Klqo90cFD-Di8eDxtsoPJL3vAN2HEDCiJAbtI7AZkkUx3oEQC3gNLTmJRqcrWmCJxPytkmJjHEFjsaOd2tynec37nwsFmqTty7w8x7wu0y0_8mukcDjW1elyxqr-Y3kD6SsuWg</recordid><startdate>20120321</startdate><enddate>20120321</enddate><creator>MORI, KAZUSHI</creator><creator>ASAKA, HARUHIKO</creator><creator>MICHINISHI, JUNYA</creator><creator>MIYAJIMA, KEIICHIRO</creator><creator>TANAKA, TAKESHI</creator><scope>EVB</scope></search><sort><creationdate>20120321</creationdate><title>METHOD AND APPARATUS FOR SIMULATION TEST OF CENTRIFUGAL STRESS OF TURBINE BLADE</title><author>MORI, KAZUSHI ; ASAKA, HARUHIKO ; MICHINISHI, JUNYA ; MIYAJIMA, KEIICHIRO ; TANAKA, TAKESHI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP2431576A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2012</creationdate><topic>BLASTING</topic><topic>ENGINE PLANTS IN GENERAL</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MACHINES OR ENGINES IN GENERAL</topic><topic>MECHANICAL ENGINEERING</topic><topic>NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES</topic><topic>STEAM ENGINES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>MORI, KAZUSHI</creatorcontrib><creatorcontrib>ASAKA, HARUHIKO</creatorcontrib><creatorcontrib>MICHINISHI, JUNYA</creatorcontrib><creatorcontrib>MIYAJIMA, KEIICHIRO</creatorcontrib><creatorcontrib>TANAKA, TAKESHI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MORI, KAZUSHI</au><au>ASAKA, HARUHIKO</au><au>MICHINISHI, JUNYA</au><au>MIYAJIMA, KEIICHIRO</au><au>TANAKA, TAKESHI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD AND APPARATUS FOR SIMULATION TEST OF CENTRIFUGAL STRESS OF TURBINE BLADE</title><date>2012-03-21</date><risdate>2012</risdate><abstract>The object is to provide a method and device to detect internal defect in the weld overlaid portion of erosion resistant material in the border portion between the blade profile and the shroud of a turbine blade with high accuracy by a static test method for an individual turbine blade
applying a resultant pressing force, corresponding to centrifugal force and
untwisting force of the turbine blade 10 in operation of the turbine, to the shroud 12 with installing the blade root 18 of the turbine blade 10 to the blade root retainer 20 and applying a force in the direction of centrifugal force on the blade root 18 from outside of the blade root retainer 20 to eliminate backlash between the blade root 18 and blade root retainer 20, retaining securely the shroud 12 on the side opposite to the portion which is applied the pressing force, and
implementing simulated test of centrifugal stress in the weld-overlaid portion by applying the resultant pressing force, corresponding to centrifugal force and untwisting force of the turbine blade 10 in operation of the turbine, to the shroud 12.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | BLASTING ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES STEAM ENGINES WEAPONS |
| title | METHOD AND APPARATUS FOR SIMULATION TEST OF CENTRIFUGAL STRESS OF TURBINE BLADE |
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