FR3086693B1 - SHIM FOR TURBOMACHINE, ASSEMBLY FOR TURBOMACHINE, TURBOMACHINE AND ASSOCIATED PROCESS - Google Patents

SHIM FOR TURBOMACHINE, ASSEMBLY FOR TURBOMACHINE, TURBOMACHINE AND ASSOCIATED PROCESS Download PDF

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Publication number
FR3086693B1
FR3086693B1 FR1859050A FR1859050A FR3086693B1 FR 3086693 B1 FR3086693 B1 FR 3086693B1 FR 1859050 A FR1859050 A FR 1859050A FR 1859050 A FR1859050 A FR 1859050A FR 3086693 B1 FR3086693 B1 FR 3086693B1
Authority
FR
France
Prior art keywords
turbomachine
blade
fin
fins
inter
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
FR1859050A
Other languages
French (fr)
Other versions
FR3086693A1 (en
Inventor
Nicolas Gerard Benito Cornec
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Safran Aircraft Engines SAS
Original Assignee
Safran Aircraft Engines SAS
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 Safran Aircraft Engines SAS filed Critical Safran Aircraft Engines SAS
Priority to FR1859050A priority Critical patent/FR3086693B1/en
Publication of FR3086693A1 publication Critical patent/FR3086693A1/en
Application granted granted Critical
Publication of FR3086693B1 publication Critical patent/FR3086693B1/en
Active legal-status Critical Current
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
    • F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/005—Sealing means between non relatively rotating elements
    • F01D11/006—Sealing the gap between rotor blades or blades and rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/36—Application in turbines specially adapted for the fan of turbofan engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00—Manufacture
    • F05D2230/60—Assembly methods
    • F05D2230/64—Assembly methods using positioning or alignment devices for aligning or centring, e.g. pins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/30—Retaining components in desired mutual position
    • F05D2260/36—Retaining components in desired mutual position by a form fit connection, e.g. by interlocking

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

L'invention se rapporte à une cale rapportée (40) pour turbomachine destinée à être montée autour d'un axe (X) longitudinal, la turbomachine comportant au moins une première aube (20) et une deuxième aube (30) circonférentiellement adjacente à la première aube (20) montées sur un disque (10), la première aube (20) comportant une première pale (21) équipée d'une nageoire (22) présentant une face amont (25) et une face aval (26), la deuxième aube (30) comportant une deuxième pale (31) équipée d'une nageoire (32) présentant une face amont (35) et une face aval (36), la face aval (26) de la nageoire (22) de la première pale (21) étant agencée en regard de la face amont (35) de la nageoire (32) de la deuxième pale (31) de manière à former un jeu inter-nageoires (J), la cale rapportée (40) étant destinée à être insérée dans le jeu inter-nageoires (J) et caractérisée en qu'elle comporte : - des moyens d'accroche de la cale rapportée (40) sur chacune des nageoires (22, 32), - une partie centrale (43) présentant une épaisseur (e) adaptée pour s'intercaler au niveau du jeu inter-nageoires (J) de manière à assurer la jonction entre les nageoires (22, 32).The invention relates to an attached wedge (40) for a turbomachine intended to be mounted around a longitudinal axis (X), the turbomachine comprising at least a first blade (20) and a second blade (30) circumferentially adjacent to the first vane (20) mounted on a disc (10), the first vane (20) comprising a first blade (21) equipped with a fin (22) having an upstream face (25) and a downstream face (26), the second blade (30) comprising a second blade (31) equipped with a fin (32) having an upstream face (35) and a downstream face (36), the downstream face (26) of the fin (22) of the first blade (21) being arranged opposite the upstream face (35) of the fin (32) of the second blade (31) so as to form an inter-fin set (J), the attached wedge (40) being intended for be inserted into the inter-fin set (J) and characterized in that it comprises: - attachment means for the attached wedge (40) on each of the fins (22, 32), - a central part the (43) having a thickness (e) adapted to be inserted at the level of the inter-fins (J) so as to ensure the junction between the fins (22, 32).

FR1859050A 2018-10-01 2018-10-01 SHIM FOR TURBOMACHINE, ASSEMBLY FOR TURBOMACHINE, TURBOMACHINE AND ASSOCIATED PROCESS Active FR3086693B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1859050A FR3086693B1 (en) 2018-10-01 2018-10-01 SHIM FOR TURBOMACHINE, ASSEMBLY FOR TURBOMACHINE, TURBOMACHINE AND ASSOCIATED PROCESS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1859050A FR3086693B1 (en) 2018-10-01 2018-10-01 SHIM FOR TURBOMACHINE, ASSEMBLY FOR TURBOMACHINE, TURBOMACHINE AND ASSOCIATED PROCESS

Publications (2)

Publication Number Publication Date
FR3086693A1 FR3086693A1 (en) 2020-04-03
FR3086693B1 true FR3086693B1 (en) 2021-01-22

Family

ID=65244041

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1859050A Active FR3086693B1 (en) 2018-10-01 2018-10-01 SHIM FOR TURBOMACHINE, ASSEMBLY FOR TURBOMACHINE, TURBOMACHINE AND ASSOCIATED PROCESS

Country Status (1)

Country Link
FR (1) FR3086693B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11536144B2 (en) 2020-09-30 2022-12-27 General Electric Company Rotor blade damping structures

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5632441B2 (en) * 1973-11-30 1981-07-28
JPS5337964B2 (en) * 1974-05-15 1978-10-12
JPS52133402A (en) * 1976-05-04 1977-11-08 Mitsubishi Heavy Ind Ltd Vane structure of rotary machine
JPS54138910A (en) * 1978-04-19 1979-10-27 Hitachi Ltd Movable vane connection apparatus
JPS56143301A (en) * 1980-04-09 1981-11-09 Toshiba Corp Turbine blades
JPS58176402A (en) * 1982-04-10 1983-10-15 Toshiba Corp Vibration damping device for turbine moving blade
WO2003014529A1 (en) * 2001-08-03 2003-02-20 Hitachi, Ltd. Turbine moving vane
KR20160070076A (en) * 2013-09-26 2016-06-17 프랑코 토시 메카니카 에세.피.아. Rotor stage of axial turbine with an adaptive regulation to dynamic stresses
US10502073B2 (en) * 2017-03-09 2019-12-10 General Electric Company Blades and damper sleeves for a rotor assembly

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Publication number Publication date
FR3086693A1 (en) 2020-04-03

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