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1. (WO2017058745) GAS TURBINE COMPRESSOR WITH ADAPTIVE BLADE TIP SEAL ASSEMBLY
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Pub. No.: WO/2017/058745 International Application No.: PCT/US2016/053877
Publication Date: 06.04.2017 International Filing Date: 27.09.2016
IPC:
F01D 11/18 (2006.01) ,F01D 25/24 (2006.01)
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
D
NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
11
Preventing or minimising internal leakage of working fluid, e.g. between stages
08
for sealing space between rotor blade tips and stator
14
Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
16
by self-adjusting means
18
using stator or rotor components with predetermined thermal response, e.g. selective insulation, thermal inertia, differential expansion
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
D
NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
25
Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
24
Casings; Casing parts, e.g. diaphragms, casing fastenings
Applicants:
SIEMENS AKTIENGESELLSCHAFT [DE/DE]; Werner-von-Siemens-Strasse 1 80333 München, DE
SIEMENS ENERGY, INC. [US/US]; 4400 Alafaya Trail Orlando, Florida 32826-2399, US (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Inventors:
ZHANG, Jiping; US
PEPPERMAN, Barton M.; US
Agent:
HOOD, Janet D.; US
Priority Data:
14/870,83830.09.2015US
Title (EN) GAS TURBINE COMPRESSOR WITH ADAPTIVE BLADE TIP SEAL ASSEMBLY
(FR) COMPRESSEUR DE TURBINE À GAZ AVEC ENSEMBLE D'ÉTANCHÉITÉ ADAPTATIF DE BOUT DE PALE
Abstract:
(EN) A high-efficiency compressor section (10) for a gas turbine engine is disciosed. The compressor section includes a vane carrier (12) adapted to hold ring segment assemblies (16) that provide optimized blade tip gaps (28,29) during a variety of operating conditions. The ring segment assemblies include backing elements (30) and tip- facing elements (32) urged into a preferred orientation by biasing elements (40) that maintain contact along engagement surfaces (44,46). The backing and tip-facing elements have thermal properties sufficiently different to allow relative growth that strategically forms an interface gap (42,43) therebetween, resulting in blade tip gaps that are dynamically adjusted during operation.
(FR) Cette invention concerne une section de compresseur haute efficacité (10) pour une turbine à gaz. La section de compresseur comprend un support d'aubes (12) conçu pour supporter des ensembles de segment d'anneau (16) qui fournissent des espaces de bout de pale (28,29) au cours d'une variété de conditions de fonctionnement. Les ensembles de segment d'anneau comprennent des éléments de renfort (30) et des éléments de parement de bout de pale (32) poussés dans une orientation préférée par des éléments de sollicitation (40) qui maintiennent un contact le long de surfaces de mise en prise (44, 46). Les éléments de renfort et de parement de bout de pale possèdent des propriétés thermiques suffisamment différentes pour permettre la croissance relative qui forme de manière stratégique un espace d'interface (42,43) entre ceux-ci, ce qui permet d'obtenir des espaces de bout de pale qui sont ajustés de manière dynamique pendant le fonctionnement.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)