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1. WO2019190477 - SEALING ARRANGEMENT WITH PRESSURE-LOADED FEATHER SEALS TO SEAL GAP BETWEEN COMPONENTS OF GAS TURBINE ENGINE

Publication Number WO/2019/190477
Publication Date 03.10.2019
International Application No. PCT/US2018/024542
International Filing Date 27.03.2018
IPC
F01D 9/02 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
DNON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
9Stators
02Nozzles; Nozzle boxes; Stator blades; Guide conduits
F01D 11/00 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
DNON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
11Preventing or minimising internal leakage of working fluid, e.g. between stages
F01D 25/24 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
DNON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
25Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
24Casings; Casing parts, e.g. diaphragms, casing fastenings
F01D 25/30 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
DNON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
25Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
30Exhaust heads, chambers, or the like
F02C 7/28 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
CGAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
7Features, component parts, details or accessories, not provided for in, or of interest apart from, groups F02C1/-F02C6/158; Air intakes for jet-propulsion plants
28Arrangement of seals
CPC
F01D 11/003
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
11Preventing or minimising internal leakage of working-fluid, e.g. between stages
003by packing rings; Mechanical seals
F01D 11/005
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
11Preventing or minimising internal leakage of working-fluid, e.g. between stages
005Sealing means between non relatively rotating elements
F01D 25/243
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
25Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
24Casings
243Flange connections; Bolting arrangements
F01D 25/30
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
25Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
30Exhaust heads, chambers, or the like
F01D 9/023
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
9Stators
02Nozzles; Nozzle boxes; Stator blades; Guide conduits ; , e.g. individual nozzles
023Transition ducts between combustor cans and first stage of the turbine in gas-turbine engines; their cooling or sealings
F05D 2240/57
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
2240Components
55Seals
57Leaf seals
Applicants
  • SIEMENS AKTIENGESELLSCHAFT [DE]/[DE]
Inventors
  • WADATKAR, Viraj
  • WEAVER, Adam J.
  • BARTLEY, Robert H.
Agents
  • REN, Ye
Priority Data
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SEALING ARRANGEMENT WITH PRESSURE-LOADED FEATHER SEALS TO SEAL GAP BETWEEN COMPONENTS OF GAS TURBINE ENGINE
(FR) AGENCEMENT D'ÉTANCHÉITÉ COMPRENANT DES JOINTS D'ÉTANCHÉITÉ À RESSORT CHARGÉS EN PRESSION POUR SCELLER L'ESPACE ENTRE DES COMPOSANTS D'UNE TURBINE À GAZ
Abstract
(EN)
A sealing arrangement (10) in a gas turbine engine to seal a gap between first and second turbine components (12, 14) is provided. The sealing arrangement includes a first arcuate feather seal (16) connected to an anchoring assembly (18) of the sealing arrangement affixed to the first turbine component. A second arcuate feather seal (20) is affixed to the second turbine component. The first feather seal and the second feather seal are responsive to a pressure differential that develops across the gap to form a pressure-loaded sealing joint between respective sealing surfaces (24, 26) of the first arcuate feather seal and the second arcuate feather seal. The sealing arrangement provides substantial design flexibility since it can reliably provide appropriate sealing functionality while enabling multiple degrees of freedom, such as to accommodate radial and/or axial displacements that can develop between the first turbine component and the second turbine component.
(FR)
L'invention concerne un agencement d'étanchéité (10) dans une turbine à gaz pour sceller un espace entre des premier et second composants de turbine (12, 14). L'agencement d'étanchéité comprend un premier joint d'étanchéité arqué (16) relié à un ensemble d'ancrage (18) de l'agencement d'étanchéité fixé au premier composant de turbine. Un second joint d'étanchéité arqué (20) est fixé au second composant de turbine. Le premier joint d'étanchéité et le second joint d'étanchéité réagissent à un différentiel de pression qui se développe à travers l'espace pour former un joint d'étanchéité chargé en pression entre des surfaces d'étanchéité respectives (24, 26) du premier joint d'étanchéité arqué et du second joint d'étanchéité arqué. L'agencement d'étanchéité fournit une flexibilité de conception substantielle étant donné qu'il peut fournir de manière fiable une fonctionnalité d'étanchéité appropriée tout en permettant de multiples degrés de liberté, de manière à s'adapter à des déplacements radiaux et/ou axiaux qui peuvent se développer entre le premier composant de turbine et le second composant de turbine.
Also published as
EP2018718050
Latest bibliographic data on file with the International Bureau