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公开(公告)号:EP3865668B1
公开(公告)日:2023-06-07
申请号:EP21157203.7
申请日:2021-02-15
IPC分类号: F01D9/02 , F01D11/00 , F16J15/3288 , F01D9/04
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公开(公告)号:EP4184041A1
公开(公告)日:2023-05-24
申请号:EP22201975.4
申请日:2022-10-17
申请人: MTU Aero Engines AG
IPC分类号: F16J15/3288
摘要: Beschrieben wird eine Bürstendichtung (40) für eine Gasturbine (10), insbesondere Fluggasturbine, mit einer Stützringstruktur (44) und mit wenigstens einem Borstenpaket (46), das in axialer Richtung (AR) an der Stützringstruktur (44) angeordnet ist, wobei die Stützringstruktur (44) einen radial außen angeordneten Basisabschnitt (48) und einen radial innen angeordneten Stützabschnitt (50) aufweist, wobei der Stützabschnitt (50) eine dem Borstenpaket (46) zugewandte Stützfläche (52) aufweist, die das Borstenpaket (46) in axialer Richtung (AR) abstützt, und wobei der Stützabschnitt (50) einen radial inneren Randabschnitt (54) aufweist, der in einem montierten Zustand der Bürstendichtung (40) einem Rotorabschnitt (56) der Gasturbine (10) zugewandt ist. Dabei ist vorgesehen, dass der Stützabschnitt (50) ausgehend von dem radial inneren Randabschnitt (54) eine radiale Stützabschnittslänge (SL) aufweist mit im Wesentlichen konstanter axialer Stützabschnittsbreite (SB), wobei die Stützabschnittlänge (SL) um mindestens den Faktor vier größer ist als die Stützabschnittsbreite (SB). Ferner wird eine Gasturbine mit einer solchen Bürstendichtung (40) beschrieben.
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公开(公告)号:EP4130522A1
公开(公告)日:2023-02-08
申请号:EP21189072.8
申请日:2021-08-02
IPC分类号: F16J15/3288 , F16J15/56
摘要: Provided are means for limiting the intrusion of particles (18) into a gap (12) formed between parts (14, 16) of a device (10) which are to perform a periodic motion relative to each other when the device is in use. The means include an asymmetric structured surface (26) which is configured to delimit the gap towards one of the parts and a flexible structure (20) which is configured to be attached to the other part and to extend into the gap.
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公开(公告)号:EP3845783B1
公开(公告)日:2022-10-19
申请号:EP20217848.9
申请日:2020-12-30
IPC分类号: F16J15/3288 , F01D11/00
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公开(公告)号:EP4015779A1
公开(公告)日:2022-06-22
申请号:EP21212967.0
申请日:2021-12-07
IPC分类号: F01D11/22 , F04D29/08 , F04D29/16 , F16J15/3288 , F01D5/22
摘要: Sealing arrangements (200) and rotor assemblies are provided. A sealing arrangement (200) includes a stationary component (202), a rotating component (204) spaced apart from the stationary component (202). A clearance (206) is defined between the stationary component (202) and the rotating component (204). The sealing arrangement (200) further includes a plurality of magnets (212) embedded within the rotating component (204). The sealing arrangement (200) further includes a brush seal (208) having a frame (215) and a plurality of magnetically responsive filaments (210). The plurality of magnetically responsive filaments (210) each extending from the frame (215) to a free end (226). The plurality of magnetically responsive filaments (210) are attracted to the rotating component (204) by the plurality of magnets (212). The plurality of magnetically responsive filaments (210) at least partially covering the clearance (206), such that a flow of fluid across the clearance (206) is restricted.
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公开(公告)号:EP3865668A1
公开(公告)日:2021-08-18
申请号:EP21157203.7
申请日:2021-02-15
IPC分类号: F01D9/02 , F01D11/00 , F16J15/3288 , F01D9/04
摘要: A brush seal system includes a component including a first mating surface (136). The brush seal system further includes a brush seal (110) including a brush seal backing plate (112), a retaining ring (114), and a plurality of bristles (116) retained between the brush seal backing plate (112) and the retaining ring (114). The brush seal backing plate (112) includes a second mating surface (138) mounted to the first mating surface (136). The brush seal system further includes at least one cooling channel (128) extending from an exterior side (130) of the component to an interior side (132) of the component so as to bypass the brush seal (110).
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公开(公告)号:EP3239473B1
公开(公告)日:2021-06-02
申请号:EP17167864.2
申请日:2017-04-25
发明人: SHAH, Dilip M. , KWOKA, Katelyn , CETEL, Alan D. , SEETHARAMAN, Venkatarama K. , McCAFFREY, Michael G.
IPC分类号: F16J15/3292 , F01D11/00 , F16J15/3288
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公开(公告)号:EP3431835B1
公开(公告)日:2021-02-17
申请号:EP18191467.2
申请日:2015-08-27
发明人: DAVIS, Timothy M
IPC分类号: F01D25/24 , F16J15/3288 , F01D11/00
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公开(公告)号:EP3739241A1
公开(公告)日:2020-11-18
申请号:EP20174501.5
申请日:2020-05-13
IPC分类号: F16J15/3288 , F01D11/00 , F01D5/00
摘要: A hydrostatic seal (100) configured to be disposed between relatively rotatable components includes a seal carrier (107). The seal (100) also includes a beam (108) extending axially from a forward end (116) to an aft end (114), the beam (108) cantilevered to the seal carrier (107) at one of the forward end (116) and the aft end (114), the beam (108) free at the other end. The seal (100) further includes a brush seal (122) operatively coupled to the seal carrier (107) and in contact with the beam (108).
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公开(公告)号:EP3726105A1
公开(公告)日:2020-10-21
申请号:EP20168078.2
申请日:2020-04-03
发明人: AMADOR, Armando
IPC分类号: F16J15/3288 , F01D11/00
摘要: A floating brush seal assembly includes a ring-shaped housing (34) defining a radially inwardly open internal cavity (36); a brush seal (38) in the cavity (36) and having bristles (42) extending radially inwardly and offset to seal against a rotating body (44); a radial spring (56) positioned to exert a radial inwardly directed force against the brush seal (38) relative to the housing (34); and an axial spring (58) positioned to exert an axially directed force against the brush seal (38) relative to the housing (34).
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