JPWO2020245525A5 - - Google Patents

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JPWO2020245525A5
JPWO2020245525A5 JP2021572015A JP2021572015A JPWO2020245525A5 JP WO2020245525 A5 JPWO2020245525 A5 JP WO2020245525A5 JP 2021572015 A JP2021572015 A JP 2021572015A JP 2021572015 A JP2021572015 A JP 2021572015A JP WO2020245525 A5 JPWO2020245525 A5 JP WO2020245525A5
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Japan
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confluence
structure according
shell
outer casing
movable
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JP2021572015A
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Japanese (ja)
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JP2022535433A (en
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Priority claimed from FR1906046A external-priority patent/FR3097016B1/en
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Publication of JP2022535433A publication Critical patent/JP2022535433A/en
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Claims (16)

航空機エンジンの一次流と前記一次流を取り囲む二次流との合流構造において、合流板（１３）が、前記一次流（９）と前記二次流（１０）を低圧タービンの下流で隔てており、回転形状と下流端（１６）を有し、前記下流が、前記エンジンの軸方向（Ｘ）の前記一次流および前記二次流におけるガス流の方向に対応し、圧縮機およびタービンのブレードと燃焼室とは前記一次流の中に存在し、前記二次流が、外側ケーシング（１１）によって外部から前記エンジンの径方向に画定される、合流構造であって、前記合流板（１３）が前記下流端（１６）を備える可動部品（２０）を有し、前記可動部品（２０）が、それと相補関係にある、前記外側ケーシングに対して固定された前記合流板の部品（１９）に対して、前記軸方向（Ｘ）に調整可能にスライドし、前記一次流（９）と前記二次流（１０）が、前記下流端（１６）の下流でのみ合流することを特徴とする、合流構造。 In a confluence structure of a primary flow and a secondary flow surrounding said primary flow of an aircraft engine, a confluence plate (13) separating said primary flow (9) and said secondary flow (10) downstream of a low pressure turbine. , having a shape of revolution and a downstream end (16), said downstream corresponding to the direction of gas flow in said primary flow and said secondary flow in the axial direction (X) of said engine, with compressor and turbine blades. Combustion chamber is a confluence structure present in said primary flow and said secondary flow is defined radially of said engine from the outside by an outer casing (11), said confluence plate (13) having a moveable part (20) with said downstream end (16), said moveable part (20) being complementary to said part (19) of said junction plate fixed with respect to said outer casing; adjustable sliding in said axial direction (X), said primary flow (9) and said secondary flow (10) joining only downstream of said downstream end (16). structure. シェル（１８）が前記外側ケーシング（１１）に取り付けられると同時に、そのケーシングと共に、環状の外側チャネル（５１）を画定し、前記シェルは特に、前記合流板（１３）の前記下流端（１６）の下流に延びており、ガス流の方向に対応して上流の端（５０）を有する、請求項１に記載の合流構造であって、前記シェル（１８）が前記上流端を有する可動部品（２２）を備え、前記可動部品（２２）が、それと相補関係にある、前記外側ケーシングに対して固定された前記シェル（１８）の部品（２１）に対して、前記軸方向に調整可能にスライドすることを特徴とする、合流構造。 A shell (18) is attached to said outer casing (11) and together with it defines an annular outer channel (51), said shell in particular said downstream end (16) of said confluence plate (13). 2. Merging structure according to claim 1, extending downstream of the gas stream and having an upstream end (50) corresponding to the direction of gas flow, wherein said shell (18) comprises a moving part ( 22), said movable part (22) being adjustably slidable in said axial direction relative to a complementary part (21) of said shell (18) fixed relative to said outer casing. A confluence structure characterized by: 前記外側ケーシング（１１）が前記二次流（１０）内で径方向内側に突出する突起（２５）を備え、前記シェルの前記可動部品が、前記上流端（５０）が前記突起の上流にある位置と下流にある位置とで、移動可能であることを特徴とする、請求項２に記載の合流構造。 Said outer casing (11) comprises a projection (25) projecting radially inwards in said secondary flow (10), said movable part of said shell being said upstream end (50) upstream of said projection. 3. Merging structure according to claim 2, characterized in that it is movable between a position and a position located downstream. 前記合流板の前記可動部品（２０）および前記シェルの前記可動部品（２２）のうちの少なくとも一方が、前記外側ケーシングの外側に延びる調整装置（２６、２７）によって移動させられることを特徴とする、請求項１から３のいずれか一項に記載の合流構造。 characterized in that at least one of said movable part (20) of said junction plate and said movable part (22) of said shell is displaced by an adjustment device (26, 27) extending outside said outer casing; 4. The junction structure according to any one of claims 1 to 3. 前記調整装置が、前記可動部品（２０、２２）の縁（３２）を押すカム（３１）を備えた、前記外側ケーシングを径方向に圧迫する旋回ピン（２６、２７）であることを特徴とする、請求項４に記載の合流構造。 CHARACTERIZED IN THAT said adjustment device is a pivot pin (26, 27) radially pressing against said outer casing, with a cam (31) pressing against an edge (32) of said movable part (20, 22). 5. The confluence structure according to claim 4, wherein 前記旋回ピンが、前記合流板の前記固定部品（１９）と前記シェルの前記固定部品（２１）のうちの少なくとも一方のライナ（５２）を、ピンの周囲に突出するボールジョイント（３０）によりそのライナを軸にしつつ、横切ることを特徴とする、請求項５に記載の合流構造。 Said pivot pin connects the liner (52) of at least one of said fixed part (19) of said junction plate and said fixed part (21) of said shell by means of a ball joint (30) protruding around the pin. 6. The confluence structure according to claim 5, characterized in that it traverses with the liner as an axis. 前記合流板および前記シェルのうちの少なくとも一方の、前記可動部品が前記固定部品に、径方向に圧縮されたばね（４８）によって連結されることを特徴とする、請求項１から６のいずれか一項に記載の合流構造。 7. Any one of claims 1 to 6, characterized in that the movable part of at least one of the confluence plate and the shell is connected to the fixed part by a radially compressed spring (48). confluence structure described in Section 1. 前記固定部品および前記可動部品のうちの少なくとも一方が、傾斜が急激に変化しないように半径が変化している湾曲部を含むことを特徴とする、請求項１から７のいずれか一項に記載の合流構造。 8. A device according to any one of claims 1 to 7, characterized in that at least one of the fixed part and the movable part comprises a curve with varying radii to avoid abrupt changes in inclination. confluence structure. 前記湾曲部（４３）が前記シェル（１８）に属し、前記下流端（１６）が、前記湾曲部の正面に移動可能であり、前記湾曲部に取り囲まれることを特徴とする、請求項２および８に記載の合流構造。 Claim 2 and characterized in that said curve (43) belongs to said shell (18) and said downstream end (16) is movable in front of said curve and is surrounded by said curve. 8. The confluence structure according to 8. 前記湾曲部（４３）が前記シェル（１８）の前記可動部品（２２）に属することを特徴とする、請求項９に記載の合流構造。 10. Merging structure according to claim 9, characterized in that said bend (43) belongs to said mobile part (22) of said shell (18). 前記湾曲部が、前記合流板（１３）の前記可動部品（２０）に前記固定部品（１９）を連結し、前記両部品のうちの一方と一体になっており、前記両部品のうちのもう一方に、そのもう一方の部品に対してスライドする円筒形の部分を介して接続し、前記湾曲部および前記円筒形の部分が、前記軸（Ｘ）の方向に伸びたスロットによって角度セクタに分割されることを特徴とする、請求項８に記載の合流構造。 The curved part connects the fixed part (19) to the movable part (20) of the junction plate (13) and is integral with one of the parts and the other of the parts. connected on one side via a cylindrical part that slides against the other part thereof, said curved part and said cylindrical part being divided into angular sectors by slots extending in the direction of said axis (X). The confluence structure according to claim 8, characterized in that: 前記外側ケーシングを横切るピン（５３）であって、前記外側ケーシングをやはり横切るスロット（５４）内をスライドするピン（５３）を備える調整機構（５３、５４）のおかげで、前記突起が、前記外側ケーシング（１１）内で前記軸（Ｘ）の方向に移動可能であることを特徴とする、請求項３に記載の合流構造。 Thanks to an adjustment mechanism (53, 54) comprising a pin (53) traversing said outer casing, said pin (53) sliding in a slot (54) also traversing said outer casing, said protrusion is 4. Merging structure according to claim 3, characterized in that it is movable in the direction of said axis (X) within a casing (11). 前記合流板および前記シェルの前記可動部品（２０、２２）のうちの少なくとも一方を、前記構造の径方向の延長要素（４４、４５）が、気密シールで覆われた横長の貫通孔（４６、４７）を貫いて横切ることを特徴とする、請求項２から１２のいずれか一項に記載の合流構造。 Radial extension elements (44, 45) of the structure are provided with oblong through-holes (46, 46, 47) traversing through. 前記要素が、アフター・バーニング燃料噴射器ペンシル（４５）または保炎器アーム（４４）を含むことを特徴とする、請求項１３に記載の合流構造。 14. Junction structure according to claim 13, characterized in that said element comprises an afterburning fuel injector pencil (45) or a flameholder arm (44). 前記合流板の前記可動部品（２０）が、少なくとも相補部品（１９）が重なる部分において円筒形であることを特徴とする、請求項１から１４のいずれか一項に記載の合流構造。 15. Merging structure according to any one of the preceding claims, characterized in that the movable part (20) of the merging plate is cylindrical, at least in the part where the complementary part (19) overlaps. 請求項１から１５のいずれかに一項に記載の合流構造を有するバイパス・タービン・エンジン。 A bypass turbine engine having a junction structure according to any one of claims 1 to 15.
JP2021572015A 2019-06-06 2020-05-28 Merging Structure of Primary and Secondary Flow in Bypass Turbine Engine Pending JP2022535433A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1906046 2019-06-06
FR1906046A FR3097016B1 (en) 2019-06-06 2019-06-06 CONFLUENCE STRUCTURE OF A PRIMARY VEIN AND A SECONDARY VEIN IN A DOUBLE-FLOW TURBOMACHINE
PCT/FR2020/050897 WO2020245525A1 (en) 2019-06-06 2020-05-28 Confluence structure of a primary stream and a secondary stream in a bypass turbine engine

Publications (2)

Publication Number Publication Date
JP2022535433A JP2022535433A (en) 2022-08-08
JPWO2020245525A5 true JPWO2020245525A5 (en) 2023-05-29

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JP2021572015A Pending JP2022535433A (en) 2019-06-06 2020-05-28 Merging Structure of Primary and Secondary Flow in Bypass Turbine Engine

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US (2) US11686274B2 (en)
EP (1) EP3963202A1 (en)
JP (1) JP2022535433A (en)
CN (1) CN114127406B (en)
FR (1) FR3097016B1 (en)
WO (1) WO2020245525A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3097016B1 (en) * 2019-06-06 2021-07-23 Safran Aircraft Engines CONFLUENCE STRUCTURE OF A PRIMARY VEIN AND A SECONDARY VEIN IN A DOUBLE-FLOW TURBOMACHINE

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