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    • 2. 发明申请
    • METHOD OF MOULDING A CHARGE
    • 模拟电荷的方法
    • WO2009044194A3
    • 2009-11-26
    • PCT/GB2008050882
    • 2008-09-29
    • AIRBUS UK LTDPRIDIE JAGO
    • PRIDIE JAGO
    • B29C43/36B29C70/44B29C70/54
    • B29C70/44B29C43/3642B29C70/542B29C2043/3644Y02T50/433Y10T428/24132
    • A method of moulding a charge (12) during the manufacture of a composite part. The method comprises: placing the charge and a diaphragm (4) on a male tool, the charge having a first part (12a) which is positioned above a top of the male tool (2) and a second part (12b, 12c) which projects to one side of the maletool; and progressively deforming the second part of the charge against a side ofthe male tool by applying a pressure difference across the diaphragm and stretching the diaphragm over the male tool as the pressure difference is applied. The diaphragm has a tensile modulus in the plane of the diaphragm which is greater than 5 MPa. Optionally a support membrane may be positioned on a opposite sides of the charge. In the case where a support membrane is used, then the diaphragm has a stiffness in the planeof the diaphragm which is higher than the stiffness of the support membrane in the plane of the support membrane.
    • 在制造复合部件期间模制电荷(12)的方法。 该方法包括:将电荷和隔膜(4)放置在阳性工具上,电荷具有位于阳性工具(2)的顶部上方的第一部分(12a)和第二部分(12b,12c),第二部分 项目到男主角的一边; 并且通过在隔膜上施加压力差并在施加压力差的同时将隔膜拉伸在阳性工具上,使电荷的第二部分逐渐变形为阳性工具的侧面。 隔膜在隔膜的平面内具有大于5MPa的拉伸模量。 任选地,支撑膜可以位于电荷的相对侧上。 在使用支撑膜的情况下,隔膜在隔膜的平面中具有比支撑膜平面中的支撑膜的刚度高的刚度。
    • 3. 发明申请
    • COMPOSITE PANEL STIFFENER
    • 复合面板增强剂
    • WO2009004362A3
    • 2009-06-04
    • PCT/GB2008050480
    • 2008-06-24
    • AIRBUS UK LTDFLOOD JOHN
    • FLOOD JOHN
    • B64C3/18G05B19/4097G05B19/4099
    • B64C3/182B29C70/30B64C3/26G05B19/4099G05B2219/35044G05B2219/45204Y02T50/43Y02T50/433Y10T428/24174Y10T428/24628
    • A multi layer composite L-shaped stringer (2) for use in an aerospace structure comprises a foot(6) and a web (8) extending from an edge of the foot. A first surface (10) on the foot is shaped to abut a structure to be stiffened. The foot also has a second surface (12) opposite the first surface. The web (8) has a third surface (14) and a fourth surface (16) at the same layer in the composite material as the first and third surfaces (10, 14), respectively. The geometry of the stringer (2) may vary along its length (L) so that as the first surface (10) is displaced towards the second surface (12), the fourth surface (16) is displaced towards the third surface (14). The developed width (DW) from the distal edge of the foot to the distal edge of the web of the stringer (2) may be substantially constant for all cross-sections along a length of the stringer. The risk of causing, during fabrication of the stringer (2), undesirable creasing, stressing or stretching of composite material layers in a region in which the geometry of the stringer varies may be reduced by means of such arrangements.
    • 用于航空航天结构的多层复合L形纵梁(2)包括脚部(6)和从脚部边缘延伸的腹板(8)。 脚上的第一表面(10)成形为邻接待加强的结构。 该脚还具有与第一表面相对的第二表面(12)。 网(8)在复合材料的同一层分别具有与第一和第三表面(10,14)相同的第三表面(14)和第四表面(16)。 纵梁(2)的几何形状可沿其长度(L)变化,使得当第一表面(10)朝第二表面(12)移位时,第四表面(16)朝第三表面(14)移位, 。 对于沿纵梁长度的所有横截面而言,从足的远侧边缘到纵梁(2)的腹板的远侧边缘的展开宽度(DW)可以基本恒定。 在桁条(2)的制造期间,通过这样的布置可以减少在桁条(2)的几何结构变化的区域中的复合材料层的不希望的褶皱,应力或拉伸的风险。
    • 4. 发明申请
    • IMPROVEMENTS IN ELONGATE COMPOSITE STRUCTURAL MEMBER
    • 在ELENATE复合结构构件中的改进
    • WO2009004364A3
    • 2009-05-22
    • PCT/GB2008050485
    • 2008-06-24
    • AIRBUS UK LTDWOOD ERIC STEPHEN
    • WOOD ERIC STEPHEN
    • B64C3/18B64C3/26B64F5/00
    • B64C3/182B29C70/30B29D99/0003B64C3/26Y02T50/43Y02T50/433Y10T428/24Y10T428/24174Y10T428/24628
    • A composite material elongate structural member (102), such as a spar or stringer, for use in an aerospace structure, comprises a web (108) having an angled portion, for example in the form of a chamfer (107), which joins a foot (106) of the member to the rest of the web. A first surface (110) on the foot is shaped to abut a structure (104) to be stiffened. The foot has a second surface (112) opposite the first surface. The web has a third surface (114) and a fourth surface (116) at the same layer in the composite material as the first and third surfaces, respectively. In the interposed portion there is a fifth surface (130) which joins the first and third surfaces. The geometry of the member may vary along its length (L) so that with increasing distance, the first surface is displaced towards the second surface,wherby the thickness between the first and second surface remains substantially constant, as the width of the fifth surface decreases.
    • 用于航空航天结构的复合材料细长结构构件(例如翼梁或纵梁)包括具有成角度的部分的腹板(108),例如呈倒角(107)的形式,其连接 成员的脚(106)到网络的其余部分。 脚上的第一表面(110)成形为邻接待硬化的结构(104)。 脚具有与第一表面相对的第二表面(112)。 纸幅分别具有与第一和第三表面在复合材料中相同层处的第三表面(114)和第四表面(116)。 在插入部分中,存在第一和第三表面的第五表面(130)。 构件的几何形状可以沿其长度(L)变化,使得随着距离的增加,第一表面朝向第二表面移位,由于第五表面的宽度减小,第一表面和第二表面之间的厚度保持基本上恒定 。
    • 7. 发明申请
    • LANDING GEAR WITH COMPOSITE LEAF SPRING
    • 具有复合叶片弹簧的接地齿轮
    • WO2009109771A2
    • 2009-09-11
    • PCT/GB2009050181
    • 2009-02-24
    • AIRBUS UK LTDTHOMPSON ROBERT IAN
    • THOMPSON ROBERT IAN
    • B64C25/62B64C25/12B64C25/14B64C25/18
    • An aircraft landing gear comprising: an arm mounted to a pivot and carrying one or more wheel assemblies; and a composite leaf spring which is coupled to the arm and arranged to provide a resilient biasing force which opposes rotation of the arm about the pivot. The arm can be made relatively stiff in comparison with the leaf spring, so that load is transferred directly into the pivot without a large amount ofbending of the leg. The leaf spring shock absorber typically has a reduced part count compared with a conventional oleo-pneumatic shock absorber. By forming the leaf spring from a composite material, its weight is significantly reduced in comparison with a conventional metal spring, making it suitable for use on a relatively large aircraft.
    • 一种飞机起落架,包括:安装到枢轴并承载一个或多个车轮组件的臂; 以及复合板簧,其联接到所述臂并布置成提供与所述臂围绕所述枢轴旋转的弹性偏压力。 与板簧相比,臂可以制成相对刚性,使得负载直接转移到枢轴中,而不会有大量的弯曲。 与常规的油气减震器相比,板簧减震器通常具有减少的部件数量。 通过从复合材料形成板簧,与传统的金属弹簧相比,其重量显着降低,使其适用于较大的飞机。
    • 10. 发明申请
    • ELONGATE COMPOSITE STRUCTURAL MEMBERS AND IMPROVEMENTS THEREIN
    • 延伸复合结构构件及其改进
    • WO2009004363A2
    • 2009-01-08
    • PCT/GB2008050481
    • 2008-06-24
    • AIRBUS UK LTDGRAY IAN L
    • GRAY IAN L
    • B64C3/18
    • B64C1/064B29C70/30B29K2105/246B64C1/065B64C3/182B64C3/185B64C3/187B64C2001/0072G06F17/5095Y02T50/43Y02T50/433
    • A composite material elongate structural member, such as a spar (102), for use in an aerospace structure, comprises a web (108) disposed between upper and lower flanges (104, 106). The web (108) may include a clockwise twist about an axis (164) parallel to the length L at a first portion towards the wing-root-end of the spar (102) and a counter-twist in the anticlockwise direction at a second portion towards the wing-tip-end of the spar (102). The geometry of the spar (102) may vary non-linearly along its length (L) so that the developed width of the spar as measured from a distal edge of the upper flange (104) via the web (108) to a distal edge of the lower flange (106) varies linearly with increasing distance along the length (L). The risk of causing, during fabrication of the spar (102), undesirable creasing, stressing or stretching of composite material layers in a region in which the geometry of the member (102) varies non-linearly may be reduced by means of such an arrangement.
    • 用于航空航天结构的复合材料细长结构构件(例如翼梁(102))包括设置在上凸缘(104)和下凸缘(106)之间的腹板(108)。 腹板(108)可以包括在朝向翼梁(102)的翼根端部的第一部分处与平行于长度L的轴线(164)顺时针扭转,并且在第二部分处以逆时针方向 部分朝向翼梁102的翼尖端。 翼梁102的几何形状可以沿着其长度L非线性地变化,使得从上凸缘104的远侧边缘经由腹板108测量的翼梁的展开宽度到远侧边缘 下凸缘(106)的长度随着长度(L)的增加而线性变化。 在制造翼梁102期间,在其中构件102的几何结构非线性变化的区域中复合材料层的不希望的褶皱,应力或拉伸的风险可以通过这样的布置来减小 。