ROTARY MACHINE

PROBLEM TO BE SOLVED: To provide a rotary machine capable of more effectively reducing a leakage flow.SOLUTION: A gas turbine is provided with an annular groove 17 for accepting a hub shroud 81 and secures a gap between the hub shroud 81 formed at a position corresponding to the hub shroud 81 of an...

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Hauptverfasser:	IWATANI JUNJI, YAMASHITA TOMOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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creator	IWATANI JUNJI YAMASHITA TOMOSHI
description	PROBLEM TO BE SOLVED: To provide a rotary machine capable of more effectively reducing a leakage flow.SOLUTION: A gas turbine is provided with an annular groove 17 for accepting a hub shroud 81 and secures a gap between the hub shroud 81 formed at a position corresponding to the hub shroud 81 of an rotor 7. Seal fins 15a, 15b are installed in an erected manner on the hub shroud 81 towards a bottom surface 17a of the annular groove 17 and minute gaps H (H1, H2) are formed in a radial direction between the tip ends of the seal fins 15a, 15b and the bottom surface 17a of the annular groove 17. A recess 18 for changing several times the flowing direction of leaked fluid J that flows towards a low-pressure side from the minute gaps H is installed on an inner surface 17b on the low-pressure side of the annular groove 17.
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Seal fins 15a, 15b are installed in an erected manner on the hub shroud 81 towards a bottom surface 17a of the annular groove 17 and minute gaps H (H1, H2) are formed in a radial direction between the tip ends of the seal fins 15a, 15b and the bottom surface 17a of the annular groove 17. A recess 18 for changing several times the flowing direction of leaked fluid J that flows towards a low-pressure side from the minute gaps H is installed on an inner surface 17b on the low-pressure side of the annular groove 17.</description><language>eng</language><subject>BLASTING ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; NON-POSITIVE DISPLACEMENT PUMPS ; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS ; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ; WEAPONS</subject><creationdate>2013</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=20130722&DB=EPODOC&CC=JP&NR=2013142365A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20130722&DB=EPODOC&CC=JP&NR=2013142365A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>IWATANI JUNJI</creatorcontrib><creatorcontrib>YAMASHITA TOMOSHI</creatorcontrib><title>ROTARY MACHINE</title><description>PROBLEM TO BE SOLVED: To provide a rotary machine capable of more effectively reducing a leakage flow.SOLUTION: A gas turbine is provided with an annular groove 17 for accepting a hub shroud 81 and secures a gap between the hub shroud 81 formed at a position corresponding to the hub shroud 81 of an rotor 7. Seal fins 15a, 15b are installed in an erected manner on the hub shroud 81 towards a bottom surface 17a of the annular groove 17 and minute gaps H (H1, H2) are formed in a radial direction between the tip ends of the seal fins 15a, 15b and the bottom surface 17a of the annular groove 17. 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Seal fins 15a, 15b are installed in an erected manner on the hub shroud 81 towards a bottom surface 17a of the annular groove 17 and minute gaps H (H1, H2) are formed in a radial direction between the tip ends of the seal fins 15a, 15b and the bottom surface 17a of the annular groove 17. A recess 18 for changing several times the flowing direction of leaked fluid J that flows towards a low-pressure side from the minute gaps H is installed on an inner surface 17b on the low-pressure side of the annular groove 17.</abstract><oa>free_for_read</oa></addata></record>
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subjects	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
title	ROTARY MACHINE
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