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Patent Searching and Data


Title:
GAS TURBINE COMBUSTOR
Document Type and Number:
WIPO Patent Application WO/2017/169950
Kind Code:
A1
Abstract:
This gas turbine combustor is provided with: a plurality of swirling cylinders (31) that are arranged within a combustor liner (11) and that impart a swirling flow to a premixed gas (Fp) comprising fuel and combustion air mixed in advance; and an outer ring (15) arranged between the plurality of swirling cylinders (31) and the combustor liner (11) with a gap (41) between said outer ring (15) and the combustor liner (11), said outer ring (15) generating air (Af) in a film-like state within a combustor tail pipe (12) connected to the combustor liner (11) such that the air (Af) is jetted toward the combustor tail pipe (12) from the gap (41). The outer ring (15) comprises a tapered surface formed such that the thickness of the outer ring (15) on the downstream end (15d) thereof decreases gradually from the upstream side toward the downstream side.

Inventors:
MIYAMOTO KENJI (JP)
TAKIGUCHI SATOSHI (JP)
SAITO KEIJIRO (JP)
MIYAUCHI KOTARO (JP)
NISHIDA KOICHI (JP)
AKAMATSU SHINJI (JP)
Application Number:
PCT/JP2017/011104
Publication Date:
October 05, 2017
Filing Date:
March 21, 2017
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
F23R3/18; F23R3/42; F23R3/46
Domestic Patent References:
WO2013128739A12013-09-06
Foreign References:
JP2013190196A2013-09-26
JP2014181886A2014-09-29
JP2010197039A2010-09-09
JP2014092286A2014-05-19
JP2005315457A2005-11-10
Other References:
See also references of EP 3438539A4
Attorney, Agent or Firm:
MITSUISHI, Toshiro et al. (JP)
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