WO2005095763A1 - Joint pour rendre etanche une fente separant deux composants voisins - Google Patents

Joint pour rendre etanche une fente separant deux composants voisins Download PDF

Info

Publication number
WO2005095763A1
WO2005095763A1 PCT/EP2005/051285 EP2005051285W WO2005095763A1 WO 2005095763 A1 WO2005095763 A1 WO 2005095763A1 EP 2005051285 W EP2005051285 W EP 2005051285W WO 2005095763 A1 WO2005095763 A1 WO 2005095763A1
Authority
WO
WIPO (PCT)
Prior art keywords
gap
sealing body
grooves
sealing
groove
Prior art date
Application number
PCT/EP2005/051285
Other languages
German (de)
English (en)
Inventor
Sven Olmes
Mark Richter
Thomas Zierer
Original Assignee
Alstom Technology Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alstom Technology Ltd filed Critical Alstom Technology Ltd
Publication of WO2005095763A1 publication Critical patent/WO2005095763A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/08—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing
    • F16J15/0887—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing the sealing effect being obtained by elastic deformation of the packing

Definitions

  • Gap seal for sealing a gap between two neighboring components
  • the invention relates to a gap seal for sealing a gap between two adjacent components, in particular in turbomachines.
  • turbomachines in particular, individual components of a compressor or a turbine, such as e.g. Guide vanes or rotor blades or heat shield elements, so mounted and mounted on a housing or on a rotor of the turbomachine that there is a gap between adjacent components, which must be sealed in order to avoid leakages and pressure losses in the turbomachine.
  • a gap usually extends perpendicular to the axis of rotation of the compressor or the turbine.
  • the invention seeks to remedy this.
  • the invention is based on the object of specifying an improved embodiment for a gap seal of the type mentioned, which in particular also ensures reliable sealing of the gap when the components between which the gap is formed , move relative to each other.
  • the invention is based on the general idea of providing a common sealing body for sealing a gap between two adjacent components, each of which protrudes with a section into an opposite groove that is open toward the gap and the respective outer surface of which seals and seals the gap on one associated first lateral inner side of the respective groove.
  • the two grooves lie essentially opposite one another and each have the said first inner side, which is inclined at a predetermined angle to a gap plane running between the components.
  • the outer sides of the sealing body which are also rectilinear, are inclined at the same angle to the splitting plane as the first lateral inner sides of both grooves, so that, at least in the sealing state, the flat and dense ones Contact of the respective outside of the sealing body on the associated first lateral inside of the groove results.
  • This design means that, on the one hand, relative movements between the components, which cause a change in the gap width, are compensated for by compensating movements of the sealing body in the grooves, by the sealing body depending more or less deeply depending on the gap width in the respective groove.
  • the sealing body has a V-shaped profile cross section, in which one of the The straight side facing away from the rear runs essentially parallel to the outside, which means that a surface available for the contact pressure, i.e. the back of the sealing body, runs parallel to the flat and sealing surface of the outside, which means that particularly favorable force transmission combined with a high sealing effect can be achieved.
  • the sealing body has a rhombus-shaped profile cross section or a pentagonal profile cross section, in which the rear side facing away from the straight outside is orthogonal to the splitting plane. From this it can already be seen that different profile cross sections can be used for effective sealing, which increases flexibility and at the same time ensures effective gap sealing.
  • the sealing body is a metal strip.
  • a sealing body is of high quality and inexpensive to manufacture by the meter and is easy to install.
  • a metallic sealing body ensures reliable sealing of the gap even at higher temperatures, which is particularly advantageous when the gap seal according to the invention is used in turbines and / or compressors.
  • the components are expediently movable relative to one another in such a way that the gap width can change, the sealing body and the grooves being matched to one another such that a minimum gap width in which the components abut one another can be realized.
  • This design ensures that the gap seal is not damaged even in the event of extreme relative movements of the components, which in the borderline case can lie directly against one another, and its sealing function is also guaranteed. Further important features and advantages of the gap seal according to the invention result from the subclaims, from the drawings and from the associated description of the figures with reference to the drawings.
  • FIG. 2 shows a representation as in FIG. 1, but with an offset of the two components
  • FIG. 3 shows a representation as in FIG. 1, but with a different sealing body
  • FIG. 4 shows a representation as in FIG. 2, but with a different sealing body
  • FIGS. 1 and 3 shows a representation as in FIGS. 1 and 3, but with a further sealing body.
  • first component 1 which can be formed, for example, by a heat shield element of a turbine, and one second component 2, which can be formed for example by a guide vane of the turbine, a gap 3 is formed, through which the two components 1, 2 adjoin each other.
  • the gap 3 extends in a gap plane 10 running perpendicular to the plane of the drawing, which in a turbomachine can be perpendicular to the axis of rotation of a rotor of a turbine or a compressor.
  • 1 communicates with a first room 4 at the top and with a second room 5 below, whereby the gap 3 establishes a communicating connection between these two rooms 4, 5.
  • the gap 3 In order to avoid gas exchange between the two rooms 4, 5, the gap 3 must be sealed using a gap seal 6.
  • relatively large pressure differences can occur between rooms 4, 5; For example, a pressure pi prevails in the first space 4 that is considerably greater than a pressure p 2 that prevails in the second space 5.
  • each of the two components 1, 2 has a groove 7, which are open towards the gap 3 and are essentially opposite one another.
  • the grooves 7 have a substantially U-shaped cross-section and, with respect to the splitting plane 10, have opposite, straight first side inner sides 15 and second side inner sides 8 and a flat groove base 9. While the groove base 9 runs parallel to the splitting plane 10, the second lateral inner walls 8 extend orthogonally to the splitting plane 10. The two straight first lateral inner walls 15 of both grooves 7, which are opposite to the splitting plane 10, are inclined at a predetermined angle to the splitting plane 10.
  • a sealing body 16 is arranged, which has two rectilinear outer sides 17, which are inclined at the same angle to the splitting plane 10 as the first lateral inner sides 15 of the two grooves 7.
  • the sealing body 16 is designed, for example, as a metal strip and achieves the sealing effect between the first space 4 and the second space 5 by being in the sealing state with its outer sides 17 lies flat and close to the associated first lateral inner sides 15 of the grooves 7.
  • the sealing body 16 can, for example, have a hexagonal, V-shaped profile cross section (cf. FIG. 1), in which a rear side 12 facing away from the rectilinear outer side 17 runs essentially parallel to the outer side 17 and thereby a particularly advantageous transmission of the compressive forces caused by the overpressure pi prevailing in the gap space 11 is transmitted to the outer surface 17 of the sealing body 16 and thus ensures the reliable sealing of the gap 3.
  • the sealing body 16 has a pentagonal profile cross section, in which the rear side 12 facing away from the rectilinear outer side 17 is orthogonal to the splitting plane 10 (compare FIGS. 3 and 4).
  • the sealing body 16 has an essentially oval profile cross section (FIG.
  • the sealing body 16 ' according to FIG. 5 lies at least linearly and sealingly with its outer side 17' on the associated first lateral inner side 15 of the respective groove 7 and thus effects the effective sealing of the gap 3.
  • the sealing body 16 is conceivable that it presses more or less strongly against the lateral inside 15 of the groove 7 by elastic deformation.
  • the sealing body 16 and the grooves 7 are matched to one another in such a way that, despite a relative movement of the two components 1 and 2 relative to one another or despite a change in a gap width, a minimum gap width in which the two components 1 and 2 abut one another can be achieved.
  • a direct distance between the two groove bases 9 is thus always greater than an outer dimension of the sealing body 16 orthogonal to the gap plane 10. This means that when the gap 3 is closed, ie when the two components 1 and 2 are in contact, the sealing body 16 has the two groove bases 9 the grooves 7 not or only slightly touched.
  • the inclination of the outer surfaces 17 of the sealing body 16 and the inclination of the lateral inner surfaces 15 and their dimensions are coordinated with one another in such a way that the gap 3 is reliably sealed even with the maximum possible offset.
  • the inclination of the outer surfaces 17 of the sealing body or the inclination of the lateral ones Inner surfaces 15 decreases with respect to the splitting plane 10, so that overall there is a more acute-angled contact area of the sealing body 16 on the lateral inner surfaces 15.
  • the gap seal 6 also ensures a reliable sealing of the gap 3 when one and / or both components 1, 2 move orthogonally to the gap plane 10 by the sealing body 16 sliding along one and / or both lateral inner sides 15.
  • a gap width to be expected orthogonal to the gap plane 10 can be taken into account beforehand via a correspondingly selected depth of the grooves 7 or a sealing body 16 adapted to it.
  • the gap seal 6 according to the invention works as follows:
  • the sealing body 16 which is preferably designed as a metal strip, rests with its outer side 17 on the first lateral inner side 15 of the groove 7 ,
  • the gap 3 is sealed and thus a separation in terms of printing technology takes place via the contact surfaces of the sealing body 16 with the first lateral inside 15 of the respective groove 7 the first room 4 and the second room 5.
  • the gap seal 6 thus enables reliable sealing even with a defined offset of the two components 1 and 2 to one another.
  • the sealing effect increases with an increasing pressure difference between pi and p 2 due to the correspondingly increasing surface pressure between the sealing body 16 and the inner side 15.
  • the invention provides for a joint sealing body 16 to be used in a gap seal for sealing a gap 3 between two adjacent components 1 and 2, which joint body extends at least in sections into two essentially opposite grooves 7.
  • two rectilinear and opposite first lateral inner sides 15 of both grooves 7 with respect to the splitting plane 10 are inclined at a predetermined angle to the splitting plane 10, specifically at the same angle as two straight outer sides 17 of the sealing body 16.
  • the sealing body 16 lies in each groove 7 its respective outer side 17 flat and close to the associated first lateral inner side 15 of the groove 7 and thus reliably seals the gap 3.
  • An offset movement of the two components 1 and 2 parallel to the splitting plane 10 is compensated for by an adjustment movement of the sealing body 16 parallel to the sliding plane 14, which corresponds to a contact surface between the outside 17 of the sealing body 16 and the lateral inside 15 of the groove 7.
  • the gap seal 6 can also compensate for an offset of the two components 1, 2 orthogonal to the gap plane 10.
  • the sealing body 16 can be a metal strip, for example, and is therefore inexpensive and easy to manufacture. At the same time, an offset, for example caused by thermal expansions and tolerances in the manufacturing process, can be compensated for in a structurally particularly simple manner and a high sealing effect can thereby be obtained.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

L'invention concerne un joint (6) servant à rendre étanche une fente (3) comprise entre deux composants (1, 2) voisins, en particulier dans des turbomachines. L'invention se caractérise par le fait que: chaque composant (1, 2) présente une rainure (7) ouverte sur la fente (3); les deux rainures (7) sont sensiblement en vis-à-vis dans la fente (3); un corps d'étanchéité (16) commun pénètre dans les deux rainures (7); deux premières faces intérieures (15) latérales des deux rainures (7), rectilignes et opposées par rapport au plan (10) de la fente, forment un certain angle par rapport audit plan (10); deux faces extérieures (17) rectilignes du corps d'étanchéité (16) forment, avec le plan (10) de la fente, le même angle que celui formé par les premières faces intérieures (15) latérales des deux rainures (7); et, au moins à l'état étanche, la face extérieure (17) correspondante du corps d'étanchéité (16) repose, dans chaque rainure (7), à plat et de façon étanche contre la première face intérieure (15) latérale, de la rainure (7), qui lui est associée.
PCT/EP2005/051285 2004-03-31 2005-03-21 Joint pour rendre etanche une fente separant deux composants voisins WO2005095763A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004016467.3 2004-03-31
DE200410016467 DE102004016467A1 (de) 2004-03-31 2004-03-31 Spaltdichtung zum Abdichten eines Spalts zwischen zwei benachbarten Bauteilen

Publications (1)

Publication Number Publication Date
WO2005095763A1 true WO2005095763A1 (fr) 2005-10-13

Family

ID=34964301

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/051285 WO2005095763A1 (fr) 2004-03-31 2005-03-21 Joint pour rendre etanche une fente separant deux composants voisins

Country Status (2)

Country Link
DE (1) DE102004016467A1 (fr)
WO (1) WO2005095763A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3088680A1 (fr) * 2015-04-30 2016-11-02 Rolls-Royce Corporation Joint pour ensemble de moteur de turbine à gaz
GB2548235A (en) * 2016-03-01 2017-09-13 Rolls Royce Plc An intercomponent seal for a gas turbine engine
GB2548237A (en) * 2016-03-01 2017-09-13 Rolls Royce Plc An intercomponent seal for a gas turbine engine
CN114599859A (zh) * 2019-10-18 2022-06-07 西门子能源全球有限两合公司 具有设置在两个转子盘之间的转子构件的转子
US12037926B2 (en) 2016-02-05 2024-07-16 Siemens Energy Global GmbH & Co. KG Rotor comprising a rotor component arranged between two rotor discs

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH698921B1 (de) * 2006-11-10 2009-12-15 Alstom Technology Ltd Strömungsmaschine.
JP2013155681A (ja) * 2012-01-31 2013-08-15 Hitachi Ltd シール構造及びシール構造を用いたガスタービン

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2232151A1 (de) * 1971-10-04 1973-04-12 Gen Electric Stroemungsdichtung fuer segmentierten duesenleitkranz
US3752598A (en) * 1971-11-17 1973-08-14 United Aircraft Corp Segmented duct seal
US5528972A (en) * 1993-02-16 1996-06-25 The United States Of America As Represented By The Secretary Of The Army Bridge seal
US5975844A (en) * 1995-09-29 1999-11-02 Siemens Aktiengesellschaft Sealing element for sealing a gap and gas turbine plant
EP1378689A2 (fr) * 2002-07-03 2004-01-07 ALSTOM (Switzerland) Ltd Joint pour l'étanchéité de l'interstice entre deux composants

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE151558C (fr) *
FR2562630B1 (fr) * 1984-04-05 1988-11-25 Commissariat Energie Atomique Joint metallique flexible
GB9404052D0 (en) * 1994-03-03 1994-04-20 Exploration & Prod Serv Fluid-tight connecting apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2232151A1 (de) * 1971-10-04 1973-04-12 Gen Electric Stroemungsdichtung fuer segmentierten duesenleitkranz
US3752598A (en) * 1971-11-17 1973-08-14 United Aircraft Corp Segmented duct seal
US5528972A (en) * 1993-02-16 1996-06-25 The United States Of America As Represented By The Secretary Of The Army Bridge seal
US5975844A (en) * 1995-09-29 1999-11-02 Siemens Aktiengesellschaft Sealing element for sealing a gap and gas turbine plant
EP1378689A2 (fr) * 2002-07-03 2004-01-07 ALSTOM (Switzerland) Ltd Joint pour l'étanchéité de l'interstice entre deux composants

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3088680A1 (fr) * 2015-04-30 2016-11-02 Rolls-Royce Corporation Joint pour ensemble de moteur de turbine à gaz
US10443419B2 (en) 2015-04-30 2019-10-15 Rolls-Royce North American Technologies Inc. Seal for a gas turbine engine assembly
US12037926B2 (en) 2016-02-05 2024-07-16 Siemens Energy Global GmbH & Co. KG Rotor comprising a rotor component arranged between two rotor discs
GB2548235A (en) * 2016-03-01 2017-09-13 Rolls Royce Plc An intercomponent seal for a gas turbine engine
GB2548237A (en) * 2016-03-01 2017-09-13 Rolls Royce Plc An intercomponent seal for a gas turbine engine
GB2548237B (en) * 2016-03-01 2020-02-12 Rolls Royce Plc An intercomponent seal for a gas turbine engine
GB2548235B (en) * 2016-03-01 2020-02-26 Rolls Royce Plc An intercomponent seal for a gas turbine engine
US10844738B2 (en) 2016-03-01 2020-11-24 Rolls-Royce Plc Intercomponent seal for a gas turbine engine
CN114599859A (zh) * 2019-10-18 2022-06-07 西门子能源全球有限两合公司 具有设置在两个转子盘之间的转子构件的转子
CN114599859B (zh) * 2019-10-18 2023-11-17 西门子能源全球有限两合公司 具有设置在两个转子盘之间的转子构件的转子

Also Published As

Publication number Publication date
DE102004016467A1 (de) 2005-10-20

Similar Documents

Publication Publication Date Title
DE2939945C2 (fr)
EP1378689B1 (fr) Joint pour l'étanchéité de l'interstice entre deux composants
DE69929656T2 (de) Abdichtung
DE60209977T2 (de) Wellendichtungsvorrichtung und Turbine
DE3685800T2 (de) Fluidumfilter und dessen fluidumdichte befestigung.
EP1621736B1 (fr) Structure de paroi de conduits de gaz chauds de turbine à gaz
EP1254331B1 (fr) Joint de rotor comportant une bande plissee
EP1290363B1 (fr) Dispositif d'etancheification
WO2005095763A1 (fr) Joint pour rendre etanche une fente separant deux composants voisins
DE102008003266B4 (de) Metalldichtung
EP3548705B1 (fr) Turbochargeur
DE102010053411A1 (de) Vakuumventil
EP3071797B1 (fr) Système de joint permettant d'étanchéifier une fente entre deux composants reposant à plat l'un contre l'autre à température ambiante
EP1601873B1 (fr) Combinaison d'un joint plat avec une pompe à carburant haute pression.
EP3091188B1 (fr) Turbomachine dotée d'un dispositif d'étanchéité
EP1378690B1 (fr) Joint pour l'étanchéité de l'interstice entre deux composants
EP3379037B1 (fr) Étanchéité sur une bague intérieure d'une couronne d'aubes directrices
DE102006046488A1 (de) Dichtung einer elektrischen Steuereinheit einer Hydraulikmaschine
DE102006017213A1 (de) Metallische Flachdichtung mit zerbrechlichen Verbindungsabschnitten
EP1092899B1 (fr) Dispositif d'étanchéité
DE102008049253B4 (de) Kfz-Abgaskühler
DE10310683A1 (de) Flachdichtung, insbesondere Zylinderkopfdichtung
DE102013214507A1 (de) Trägerrahmendichtung mit einem Kanalbereich
WO2001018362A1 (fr) Combinaison d'une unite principale et d'au moins une unite fonctionnelle surajoutee
EP2131079B1 (fr) Système d'étanchéité d'arbres radiaux

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
NENP Non-entry into the national phase

Ref country code: DE

WWW Wipo information: withdrawn in national office

Country of ref document: DE

122 Ep: pct application non-entry in european phase