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1. (WO2019007907) METHOD OF PROVIDING SEALING AND SEALING SYSTEM
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Pub. No.: WO/2019/007907 International Application No.: PCT/EP2018/067810
Publication Date: 10.01.2019 International Filing Date: 02.07.2018
IPC:
F01D 11/08 (2006.01) ,F01D 11/16 (2006.01) ,F04D 29/16 (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
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
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04
POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
D
NON-POSITIVE-DISPLACEMENT PUMPS
29
Details, component parts, or accessories
08
Sealings
16
between pressure and suction sides
Applicants:
NUOVO PIGNONE TECNOLOGIE SRL [IT/IT]; Via Felice Matteucci 2 50127 Florence, IT
Inventors:
PIERI, Marco; IT
Agent:
ILLINGWORTH-LAW, William; GB
Priority Data:
10201700007431103.07.2017IT
Title (EN) METHOD OF PROVIDING SEALING AND SEALING SYSTEM
(FR) PROCÉDÉ DE FOURNITURE D'ÉTANCHÉITÉ ET SYSTÈME D'ÉTANCHÉITÉ
Abstract:
(EN) The sealing system (1) for a machine comprises: a sealing element (4) that is movable back and forth along a direction (D) and that comprises a first recess (41) with first and second surfaces (42, 43), a component (2) of an assembly of the machine that comprises a second recess (21) with first and second surfaces (22, 23), and an elastic element (5). The first and second recesses (41, 21) face each other. The elastic element (5) is partially housed inside the first recess (41) and partially housed inside the second recess (21) so to apply forces on the first and second surfaces (42, 22, 43, 23) depending on where the sealing element (4) is positioned with respect to the component (2).
(FR) L'invention concerne un système d'étanchéité (1) pour une machine. Ce système comprend: un élément d'étanchéité (4) qui est mobile en va-et-vient le long d'une direction (D) et qui comprend un premier évidement (41) avec des première et seconde surfaces (42, 43); un composant (2) d'un ensemble de la machine qui comprend un second évidement (21) avec des première et seconde surfaces (22, 23); et un élément élastique (5). Les premier et second évidements (41, 21) se font face. L'élément élastique (5) est partiellement logé à l'intérieur du premier évidement (41) et partiellement logé à l'intérieur du second évidement (21) de façon à appliquer des forces sur les première et seconde surfaces (42, 22, 43, 23) en fonction de là où l'élément d'étanchéité (4) est positionné par rapport au composant (2).
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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, JO, JP, KE, KG, KH, 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)