TURBINE BLADE RING ASSEMBLY AND METHOD FOR ASSEMBLING TURBINE

WIPO Patent Application WO/2023/214507

A1

A plurality of circumferentially-arranged split plates retained by a seal-ring retention ring include a plurality of first split-plate groups that are circumferentially arranged on one circumferential side of the seal-ring retention ring. The plurality of split plates constituting each of the first split-plate groups include: a first split plate; and a second split plate which is disposed at a location close to an end of the first split plate on the one circumferential side of the seal-ring retention ring and which is circumferentially adjacent to the first split plate. The first split plate has a one-side first overlapping portion that circumferentially overlaps the second split plate. The second split plate has an other-side second overlapping portion that circumferentially overlaps the one-side overlapping portion. The one-side first overlapping portion abuts against the other-side second overlapping portion by the first split plate being biased by a biasing spring.

AKAKURI KAZUHIRO (JP)
ATSUMI HIDEKATSU (JP)
GOYA NAOKI (JP)

PCT/JP2023/015402

November 09, 2023

April 18, 2023

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MITSUBISHI HEAVY IND LTD (JP)
MITSUBISHI POWER LTD (JP)

F01D9/04; F01D11/02; F01D25/00; F02C7/28

JP2002115501A	2002-04-19
JP2006132635A	2006-05-25
JP2006138250A	2006-06-01
JP2015021735A	2015-02-02
JP2013181577A	2013-09-12
JP2010077868A	2010-04-08
JP2005009410A	2005-01-13
JPH11336506A	1999-12-07
CN106089318A	2016-11-09
CN207945297U	2018-10-09

SSIP PATENT ATTORNEY CORPORATION (JP)

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