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公开(公告)号:US11828191B2
公开(公告)日:2023-11-28
申请号:US17614226
申请日:2020-05-27
发明人: Philippe Gérard Edmond Joly , Romain Nicolas Lagarde , Jean-Marc Claude Perrollaz , Laurent Jablonski , François Jean Comin , Edouard Antoine Dominique Marie De Jaeghere , Charles Jean-Pierre Douguet
CPC分类号: F01D5/16 , F01D5/10 , F01D5/22 , F01D5/26 , F01D25/06 , F05D2220/30 , F05D2240/30 , F05D2260/96
摘要: A turbomachine assembly includes a casing, first and second rotors, and a damper. The first rotor includes a disk and blades and is movable in rotation relative to the casing. The second rotor is movable relative to the casing around a longitudinal axis. The damper damps a movement of the first rotor relative to the second rotor. The damper includes first to third parts. The first part bears on the first rotor in a first area extending over a first angular sector around the longitudinal axis and applies a first centrifugal force on the first rotor. The second part bears on the first rotor in a second area that is smaller than the first angular sector and extends over a second angular sector around the longitudinal axis. The third part bears on the second rotor and applies a second centrifugal force on the second rotor.
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公开(公告)号:US11585229B2
公开(公告)日:2023-02-21
申请号:US16982171
申请日:2019-03-19
发明人: Laurent Jablonski , François Jean Comin , Philippe Gérard Edmond Joly , Jean-Marc Claude Perrollaz , Anthony Lafitte , Rémi Roland Robert Mercier
摘要: The invention relates to a bladed disk (1) of a fan, comprising: a hub (10) comprising an outer radial platform (13) designed so as to define an inner gas flow stream in the turbomachine, a plurality of blades (20) comprising a root (23) connected to the platform (13), a leading edge (21) and a trailing edge (22), a groove formed in the platform (13) around part of the root (23) of each blade (20) in an area adjacent to the leading edge (21) and/or the trailing edge (22), and a joint (30) placed in the groove (15) in such a way that it extends in the extension of the radially outer face (14) of the platform (13) in order to ensure a continuity of the inner flow stream.
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公开(公告)号:US11885268B2
公开(公告)日:2024-01-30
申请号:US17758731
申请日:2021-01-06
CPC分类号: F02C7/36
摘要: An assembly for a turbine engine extending along an axis, includes a stator, a low-pressure compressor shaft, a low-pressure compressor comprising a rotor comprising a drum rotatably coupled to the shaft of the low-pressure compressor, and a fan comprising a disk rotatably coupled to the shaft of the low-pressure compressor. The drum has a radially internal part rotatably coupled to the shaft of the low-pressure compressor and a radially external part fixed to the radially internal part by means of detachable fixing means. A first axial retention means is configured to axially and detachably retain the disk of the fan relative to the shaft of the low-pressure compressor. A second axial retention means is configured to axially and detachably retain the radially internal part of the drum relative to the shaft of the low-pressure compressor.
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公开(公告)号:US11808170B2
公开(公告)日:2023-11-07
申请号:US17614812
申请日:2020-05-27
发明人: Philippe Gérard Edmond Joly , Romain Nicolas Lagarde , Jean-Marc Claude Perrollaz , Laurent Jablonski , François Jean Comin , Edouard Antoine Dominique Marie De Jaeghere , Charles Jean-Pierre Douguet
CPC分类号: F01D5/26 , F01D5/10 , F04D29/668 , F05D2220/36 , F05D2230/60 , F05D2240/30 , F05D2250/71 , F05D2260/96
摘要: The present invention relates to a turbomachine assembly, comprising: a casing (10), a first rotor (12) which is movable in rotation with respect to the casing (10) about a longitudinal axis (X-X), and comprising: *a disk (120), and *a plurality of blades (122) capable of flapping with respect to the disk (120) during a rotation of the first rotor (12) with respect to the casing (10), a second rotor (140) which is movable in rotation with respect to the casing (10) about the longitudinal axis (X-X), and a damper (2) which is configured to damp a displacement of the first rotor (12) with respect to the second rotor (140) in a plane orthogonal to the longitudinal axis (X-X), the displacement being caused by a flapping of at least one blade (122) among the plurality of blades (122), the damper (2) comprising: o a first bearing part (21): *bearing against the first rotor (12), and *being configured to apply a first centrifugal force (C1) to the first rotor (12), o a second bearing part (22): *bearing against the second rotor (140), and *being configured to apply a second centrifugal force (C2) on the second rotor (140), and o a linking part (20): *connecting the first bearing part (21) to the second bearing part (22), and being thinned relative to the first bearing part (21) and the second bearing part (22), and o a flyweight (3) which is fixedly mounted on the damper (2).
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公开(公告)号:US11808169B2
公开(公告)日:2023-11-07
申请号:US17614667
申请日:2020-05-27
发明人: Philippe Gérard Edmond Joly , Romain Nicolas Lagarde , Jean-Marc Claude Perrollaz , Laurent Jablonski , François Jean Comin , Edouard Antoine Dominique Marie De Jaeghere , Charles Jean-Pierre Douguet
CPC分类号: F01D5/26 , F01D5/16 , F01D5/225 , F04D29/324 , F04D29/668 , F05D2220/36 , F05D2230/60 , F05D2240/80 , F05D2260/96
摘要: The present invention relates to an assembly for a turbomachine, comprising: a first rotor; a second rotor, and a damper (2) configured to damp a displacement of the first rotor relative to the second rotor, the damper comprising: a first portion (21) bearing against the first rotor and having a first thickness, a second portion (22) bearing against the second rotor and having a second radial thickness, and a third portion (23) connecting the first portion (21) to the second portion (22) and having a third radial thickness, wherein the third radial thickness is greater than at least one of the first radial thickness and the second radial thickness.
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公开(公告)号:US20180087389A1
公开(公告)日:2018-03-29
申请号:US15554936
申请日:2016-03-01
发明人: Philippe Gérard Edmond Joly , François Jean Comin , Laurent Jablonski , Damien Merlot , Jean-Marc Claude Perrollaz
IPC分类号: F01D5/34
CPC分类号: F01D5/34 , F05D2220/36
摘要: A fan blisk for a turbomachine, the blisk comprising a hub delimited by an upstream face and a downstream face in addition to an outer peripheral face and a revolving inner peripheral face delimiting an inner opening, the hub carrying blades each having a leading edge and a trailing edge, the hub and the blades forming a one-piece assembly. The upstream face and/or the downstream face is offset, being located along the axis of rotation (AX) between the leading edges and the trailing edges of the blades, the blisk (bladed disk) comprising a filling member mounted on the offset face, the filling member comprising an inner centring ferrule engaging in the inner face of the hub, a radial portion resting against the offset face and an outer ferrule extending the outer peripheral face of the hub.
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公开(公告)号:US20170276145A1
公开(公告)日:2017-09-28
申请号:US15507116
申请日:2015-09-03
CPC分类号: F04D29/324 , F01D5/141 , F01D5/143 , F01D5/3007 , F01D11/006 , F01D21/045 , F05D2220/36 , F05D2240/80 , F05D2250/73 , F05D2260/94 , Y02T50/673
摘要: The invention relates to a blade, the platform (14) of which has at least one bumper (40) which rises, on the inner face, from a connection to an intermediate area of the blade located along a longitudinal axis of the blade, between the blade root and the outer face (143), towards a free side edge (145) of the platform. The platform bumper (40) locally has a thinned portion at a distance from said free side edge of the platform.The invention is applicable to turboshaft engine fans.
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公开(公告)号:US11536157B2
公开(公告)日:2022-12-27
申请号:US16955518
申请日:2018-12-18
发明人: Philippe Gérard Edmond Joly , François Jean Comin , Charles Jean-Pierre Douguet , Laurent Jablonski , Romain Nicolas LaGarde , Jean-Marc Claude Perrollaz
IPC分类号: F01D25/04
摘要: The invention relates to an assembly (1) for a turbomachine comprising: a first rotor module (2) comprising a first blade (20), a second rotor module (3), connected to the first rotor module (2), and comprising a second blade with a length less than the first blade (20), and a damping device (4) extending with at least one component along a turbomachine longitudinal axis (X-X), characterized in that the damping device (4) is annular while extending circumferentially around the turbomachine longitudinal axis (X-X) and in that the damping device (4) comprises a first radial external surface (40) supported with friction against the first module (2) as well as a second radial external surface (42) supported with friction against the second module (3), so as to couple the modules (2, 3) in order to damp their respective vibrational movements during operation.
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公开(公告)号:US11209012B2
公开(公告)日:2021-12-28
申请号:US16393577
申请日:2019-04-24
发明人: Laurent Jablonski , Philippe Gérard Edmond Joly , Christophe Perdrigeon , Damien Merlot , Hervé Pohier
IPC分类号: F04D29/32 , F01D5/34 , F01D5/14 , F01D5/30 , F01D5/32 , F04D19/00 , F04D29/02 , F04D29/053 , F04D29/38
摘要: The invention proposes a fan, in particular for a turbomachine of small size such as a jet engine, having a hub ratio which corresponds to the ratio of the diameter of the inner limit of the incoming air stream at the radially inner ends of the leading edges of the fan blades, divided by the diameter of the circle around which the outer ends of the fan blades pass, having a value of between 0.20 and 0.265.
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公开(公告)号:US10598033B2
公开(公告)日:2020-03-24
申请号:US15509063
申请日:2015-09-03
摘要: Relates to a vane for a turbomachine. The vane (12′) has a blade (13′) and a root (18′) to be engaged in an axial groove in a disc of the turbomachine. The upstream end (450′) of the root is connected to a radially internal end (430′) of the leading edge (431′) of the blade by the upstream end of a connecting zone having a discontinuity towards the downstream end, so that said radially internal end of the leading edge of the blade is situated further downstream than the upstream end of the root.
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