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1. 发明公开

EP2791406A2 STRUCTURE FIBREUSE AVEC FILS A TITRE VARIABLE 有权
标题翻译： FASERSTRUKTUR MITFÄDENVON VARIABLER FEINHEIT
公开(公告)号：EP2791406A2
公开(公告)日：2014-10-22
申请号：EP12821288.3
申请日：2012-12-10
申请人： SNECMA
发明人： DAMBRINE, Bruno, Jacques, Gérard , COUPE, Dominique , GOERING, Jonathan , GILBERTSON, Brock , MAHIEU, Jean-Noël
IPC分类号： D03D25/00 , B29C70/24 , F01D5/28
CPC分类号： B29C70/22 , B29C70/24 , B29L2031/08 , D03D25/005 , D03D41/004 , F01D5/147 , F01D5/282 , Y02T50/672 , Y10T428/24603
摘要： The invention relates to a fiber structure (S1) for reinforcing a composite material part, said structure being woven into a single part by means of multilayer weaving between a first plurality of thread layers (t10, t20, t30), extending in a first direction and a second plurality of thread layers (10, 20, 30) extending in a second direction. The second plurality of thread layers includes at least one variable-count thread layer (10), each variable-count thread being formed from a separable set of unitary threads (11, 12) that each have a predetermined count. The fiber structure (S1) includes at least one portion (2G) having a reduced thickness, wherein the variable-count threads (10) have a count less than the one provided before said reduced-thickness portion.
摘要翻译：一种用于增强复合材料部分的纤维结构，所述结构通过在第一方向上延伸的第一多根纱线层和沿第二方向延伸的第二多根纱线之间的多层织造而编织为单件。第二多层纱线包括至少一层可变重量纱线，每根可变重量的纱线包括各自具有确定重量的单根纱线的可分离组件。纤维结构包括减小厚度的至少一部分，其中可变重量纱线的重量小于在减薄厚度部分之前呈现的重量。

2. 发明公开

EP2802702A2 PIECE DE RENFORT A SECTION EN PI EN MATERIAU COMPOSITE, NOTAMMENT PLATE-FORME DE SOUFFLANTE DE TURBOMACHINE, ET SON PROCEDE DE FABRICATION 有权转让
标题翻译： PI-SECTION GAIN部分复合材料，尤其是用于涡轮发动机风扇的平台，及其制造方法
公开(公告)号：EP2802702A2
公开(公告)日：2014-11-19
申请号：EP13705827.7
申请日：2013-01-07
申请人： Snecma
发明人： MARCHAL, Yann , MAHIEU, Jean-Noël
IPC分类号： D03D25/00 , B29C70/24
CPC分类号： F01D11/008 , B29C70/24 , B29C70/682 , B29D99/0025 , B29L2031/08 , D03D25/005 , F05D2300/44 , F05D2300/603 , Y10T428/24636
摘要： The invention relates to a method of manufacturing a π-section reinforcing piece (10) made of composite material, the method involving using three-dimensional weaving to create a first set of layers of threads which layers are joined together to form a first fibrous rough form part (102) intended to form a base preform, using three-dimensional weaving to create a second set of layers of threads which layers are joined together to form a second fibrous rough form part (104) intended to form a stiffener preform, threads of the second set being connected by weaving to the threads of the first set along a central disconnection strip (106) that widens towards the lateral edges (102a) of the first fibrous rough form part in a region (108, 110) corresponding to the step of the base, shaping the two fibrous rough form parts to obtain a fibrous preform (100) in a single piece that has a part forming the base preform and a part forming a stiffener preform, and applying a resin to the fibrous preform using a die. The invention also relates to a π-section reinforcing piece obtained using the method.
摘要翻译：由复合材料制成的π形截面的加强部件，以及使组成部分，该方法包括的方法：使第一组相互联系的纱层的通过三维编织以形成第一纤维空白部分，以形成一个基座预成型件; 通过三维编织制造第二组相互联系的纱层的，以形成第二纤维空白部分，以形成一个加强件预成形件，所述第二组的纱线是通过在中央相互关联的条编织朝做耀斑与所述第一组的纱线相互关联的在对应于基础的步骤的区域中的第一光纤空白部分的侧边缘; 成形两个纤维空白部分，以获得具有形成基座预成型件并形成一个加强件预成型件的一部分的部分的单件纤维预成型件; 在纤维预成型件上沉积和树脂，以形成一个矩阵。

3. 发明公开

EP2555973A1 HÉLICE NON CARÉNÉE POUR TURBOMACHINE 有权转让
标题翻译：不能掩饰转子的燃气涡轮机
公开(公告)号：EP2555973A1
公开(公告)日：2013-02-13
申请号：EP11718449.9
申请日：2011-04-01
申请人： Snecma
发明人： BOURU, Michel, André , FABRE, Adrien, Jacques, Philippe , JABLONSKI, Laurent , MAHIEU, Jean-Noël
IPC分类号： B64C11/06
CPC分类号： F04D29/056 , B64C11/06 , B64D2027/026 , Y02T50/66
摘要： Unshrouded fan with variable-pitch blades the roots (38) of which are each fitted from the outside into a radial housing of an annular rotor element and guided in rotation about their axis by two rolling bearings (76, 94), one of which is borne by an annular segment (54) with cylindrical skirt (56) mounted in a groove (50) of the cylindrical body (40) and by a locking nut (64) screwed onto the cylindrical skirt (56). Said bearing (94) is externally capped by a ring (100) that has external dog teeth (108) engaging with internal dog teeth (112) of the housing to provide axial retention for the ring (100) in the housing. Locking means inserted between the teeth (112) of the housing and those of the ring (100) prevent the ring (100) from turning or from being removed axially from the housing.

4. 发明公开

EP2528727A1 METHODE DE FABRICATION D'UNE AUBE A CANAUX INTERNES EN COMPOSITE ET AUBE DE TURBOMACHINE EN COMPOSITE 有权转让
标题翻译：用于生产与信道合并法律和复合型涡轮发动机叶片铲子
公开(公告)号：EP2528727A1
公开(公告)日：2012-12-05
申请号：EP11704664.9
申请日：2011-01-20
申请人： Snecma
发明人： COUPE, Dominique , DAMBRINE, Bruno, Jacques, Gérard , MAHIEU, Jean-Noël
IPC分类号： B29D99/00 , B29C70/24 , F01D5/28 , B29C70/48
CPC分类号： F01D5/282 , B29C33/52 , B29C70/24 , B29C70/48 , B29D99/0025 , B29L2031/08 , D03D25/005 , F01D5/187 , F05D2260/20 , F05D2300/21 , F05D2300/224 , Y10T29/49337
摘要： The invention relates to a turbine engine vane (10) made of a composite material including a fibrous reinforcement obtained by weaving a first plurality of yarns and a second plurality of yarns, the yarns of the first plurality of yarns being arranged in consecutive layers and extending in the longitudinal direction of the fibrous blank corresponding to the longitudinal direction of the vane (10), said reinforcement being compregnated by a matrix. The vane includes one or more inner channels (21, 22, 23) extending in the longitudinal direction of said vane.

5. 发明授权

EP2791406B1 STRUCTURE FIBREUSE AVEC FILS A TITRE VARIABLE 有权
标题翻译：具有可变轨距线程纤维结构
公开(公告)号：EP2791406B1
公开(公告)日：2016-10-12
申请号：EP12821288.3
申请日：2012-12-10
申请人： SNECMA
发明人： DAMBRINE, Bruno, Jacques, Gérard , COUPE, Dominique , GOERING, Jonathan , GILBERTSON, Brock , MAHIEU, Jean-Noël
IPC分类号： D03D25/00 , B29C70/24 , F01D5/28
CPC分类号： B29C70/22 , B29C70/24 , B29L2031/08 , D03D25/005 , D03D41/004 , F01D5/147 , F01D5/282 , Y02T50/672 , Y10T428/24603

6. 发明授权

EP2555973B1 HÉLICE NON CARÉNÉE POUR TURBOMACHINE 有权转让
标题翻译：不能掩饰转子的燃气涡轮机
公开(公告)号：EP2555973B1
公开(公告)日：2015-02-11
申请号：EP11718449.9
申请日：2011-04-01
申请人： Snecma
发明人： BOURU, Michel, André , FABRE, Adrien, Jacques, Philippe , JABLONSKI, Laurent , MAHIEU, Jean-Noël
IPC分类号： B64C11/06 , F04D29/056
CPC分类号： F04D29/056 , B64C11/06 , B64D2027/026 , Y02T50/66

7. 发明公开

EP2780665A1 CONCEPTION D'UNE PIECE EN MATERIAU COMPOSITE TISSE 3D 有权转让
标题翻译：概念D'单块EN MATERIAU复合材料TISSE 3D
公开(公告)号：EP2780665A1
公开(公告)日：2014-09-24
申请号：EP12795517.7
申请日：2012-11-12
申请人： SNECMA
发明人： MARCHAL, Yann , MAHIEU, Jean-Noël
IPC分类号： G01B11/24
摘要： A design method for designing a part made from 3D woven composite material, implemented by computer, the design method comprising: a step (F1) of obtaining shape data (SHAPE) representing the outer surface of the part, for each point (PT) of a set of points of the outer surface, a step (F5, F6) of determining a distance (d) between said point and the projection of said point onto a target surface, according to a predetermined projection direction, and a step (F8) of determining the structure of a 3D woven preform depending on the determined distances (d), characterised in that it comprises a step (F2) of obtaining projection data (F) indicating a projection direction depending on the position of a point on the outer surface of the part, wherein, for at least one portion of the points (PT) of the set of points, during the step (F5) of determining a distance, the projection direction used is determined according to said projection data (F) and the position of said point.
摘要翻译：一种用于设计由3D编织复合材料制成的零件的设计方法，该计算机通过计算机实现，该设计方法包括： - 获得表示零件外表面的形状数据（SHAPE）的步骤（F1），对于每个点（PT）根据预定的投影方向确定所述点与所述点在目标表面上的投影之间的距离（d）的步骤（F5，F6），以及步骤（F8）根据所确定的距离（d）确定3D织造预制件的结构，其特征在于，该方法包括步骤（F2），该步骤根据外表面上的点的位置获得指示投影方向的投影数据（F）其中，对于所述一组点的至少一部分点（PT），在确定距离的步骤（F5）期间，根据所述投影数据（F）和所述投影数据所述点的位置。

8. 发明授权

EP2516263B1 PALE D'HELICE D'AERONEF 有权转让
标题翻译：飞机螺旋桨叶片
公开(公告)号：EP2516263B1
公开(公告)日：2014-09-10
申请号：EP10810852.3
申请日：2010-12-20
申请人： Snecma
发明人： COUPE, Dominique , DAMBRINE, Bruno, Jacques, Gérard , MAHIEU, Jean-Noël
IPC分类号： B64C11/26 , B64C27/473
CPC分类号： B64C11/26 , F01D5/282

9. 发明授权

EP2802701B1 PRÉFORME FIBREUSE D'UNE AUBE DE TURBOMACHINE EN MATÉRIAU COMPOSITE À PLATE-FORME INTEGRÉE, ET SON PROCÉDÉ DE RÉALISATION 有权
标题翻译：光纤预制棒与集成平台TURBOMASCHINEN铲复合材料及其制造方法
公开(公告)号：EP2802701B1
公开(公告)日：2016-11-16
申请号：EP13701834.7
申请日：2013-01-07
申请人： Snecma
发明人： MARCHAL, Yann , COUPE, Dominique , MAHIEU, Jean-Noël , DAMBRINE, Bruno, Jacques, Gérard
IPC分类号： D03D25/00 , B29C70/24 , F01D5/28
CPC分类号： F01D5/282 , B29B11/16 , B29C70/24 , B29D99/0025 , B29L2031/082 , D03D1/00 , D03D3/00 , D03D25/005 , D03D2700/01 , F05D2300/603 , F05D2300/6034

10. 发明公开

EP2802701A2 PREFORME FIBREUSE D'UNE AUBE DE TURBOMACHINE EN MATERIAU COMPOSITE A PLATE-FORME INTEGREE, ET SON PROCEDE DE REALISATION 有权
标题翻译：光纤预制棒与集成平台TURBOMASCHINEN铲复合材料及其制造方法
公开(公告)号：EP2802701A2
公开(公告)日：2014-11-19
申请号：EP13701834.7
申请日：2013-01-07
申请人： Snecma
发明人： MARCHAL, Yann , COUPE, Dominique , MAHIEU, Jean-Noël , DAMBRINE, Bruno, Jacques, Gérard
IPC分类号： D03D25/00 , B29C70/24 , F01D5/28
CPC分类号： F01D5/282 , B29B11/16 , B29C70/24 , B29D99/0025 , B29L2031/082 , D03D1/00 , D03D3/00 , D03D25/005 , D03D2700/01 , F05D2300/603 , F05D2300/6034
摘要： The invention relates to a method for producing a fibrous preform for the manufacture of a turbomachine blade made of composite material, the method involving using three-dimensional weaving to create a fibrous rough form (100) in a single piece with layers of longitudinal threads (c
1 to c
24 ) joined together by threads of layers of transverse threads (t
1 to t
24 ), and shaping the fibrous rough form to obtain a fibrous preform in a single piece having a part that forms the aerofoil preform and at least a part that forms a platform preform. During the course of the weaving process, the threads (c
5 to c
7 ) of a first group of longitudinal threads are led out from the fibrous rough form on the side of one of the lateral faces (110a) of the rough form to form a part (120) that corresponds to a preform of a blade platform, and threads (c
3 and c
4 ) of a second group of longitudinal threads are injected into the fibrous rough form with mutual criss-crossing between the threads of the first group and the threads of the second group. The invention also relates to a preform obtained using this method.
摘要翻译：制造纤维预制件，并且预成型件，一种用于制造涡轮发动机叶片由复合材料的制造方法，该方法包括：使单件纤维毛坯通过三维编织与由层的纱线联间纵向纱层横向纱线; 和成形纤维坯体，以获得单件纤维预成型件包括一个部分中的翼型件预成型件成型和至少一个部分上形成的平台预制件。在织造中，第一组纵向纱线的纱线从所述坯件的侧面中的一个旁边的纤维坯料中提取以形成对应于一个叶片平台预成型件的一部分，和第二组纵向纱线的纱线插入到纤维挡片与第一组的纱线和所述第二组的纱线相互交叉。

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