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    • 2. 发明申请
    • Detachable leading edge for airfoils
    • 可拆卸的翼型前缘
    • US20080199320A1
    • 2008-08-21
    • US12111683
    • 2008-04-29
    • Paul MathenyBrad CarterBrian Potter
    • Paul MathenyBrad CarterBrian Potter
    • F01D5/30
    • F01D5/147F01D5/16F01D5/3007F04D29/324F05D2240/303Y02T50/672Y02T50/673
    • A replaceable leading edge insert for an: integrally bladed rotor disk in which the insert includes an enlarged base portion that can be inserted into a dovetail shaped slot formed in the rotor disk to secure the insert to the rotor disk against centrifugal loads during the operation of the blade. The blade on the rotor disk is formed without a leading edge and the leading edge insert includes an aft edge of similar shape to the fore edge n the blade such that the insert can be bonded or fastened to the blade along the entire length of the insert from the blade root to the tip. The rotor disk and the insert include a an annular groove formed on the front side in which a retaining ring is inserted to lock the inserts to the rotor disk. The inserts can be made of a different material from the rotor disk and can be formed with a sweep to form a more :aerodynamic and efficient blade.
    • 一种可替换的前缘插入件,用于:整体叶片的转子盘,其中插入件包括扩大的基部,其可以插入到形成在转子盘中的燕尾形槽中,以将插入件固定到转子盘,以防止在操作期间的离心负载 刀片。 转子盘上的刀片形成为没有前缘,并且前缘刀片包括与刀片前缘相似形状的后缘,使得刀片可以沿着刀片的整个长度被接合或紧固到刀片 从叶根到尖端。 转子盘和插入件包括形成在前侧上的环形槽,其中插入有保持环以将插入件锁定到转子盘。 插入件可以由与转子盘不同的材料制成,并且可以用扫掠形成以形成更多:空气动力学和有效的叶片。
    • 4. 发明授权
    • Laminated turbomachine airfoil with jacket and method of making the airfoil
    • 具有夹套的层压涡轮机翼型和制造翼型的方法
    • US07300255B2
    • 2007-11-27
    • US11061313
    • 2005-02-18
    • Brian PotterBrad CarterJohn Ryznic
    • Brian PotterBrad CarterJohn Ryznic
    • F01D5/30F01D5/12
    • F01D5/282F01D5/3007F01D5/3092
    • An improvement for a turbomachinery blade having an airfoil portion, a neck portion, and a root portion, the neck portion extending from the root portion, and the airfoil portion extending from the neck portion, and the root portion being tear-drop shaped, includes a jacket attached to the root portion and extending along a portion of the neck portion. Additionally, a process of forming a turbomachinery blade includes steps of providing a laminate of a material; providing a blade insert; wrapping the laminate around to insert to form a blade having a root portion, a neck portion extending from the root portion, and an airfoil portion extending from the neck portion; and providing for a jacket secured around the root portion and a portion of the neck portion extending from the root portion, the jacket having such shape as to prevent delamination of the laminates at a critical point due to centrifugal force acting on the blade.
    • 具有翼型部分,颈部和根部的涡轮机叶片的改进,颈部从根部延伸,并且从颈部延伸的翼型部分和泪滴形状的根部包括 护套,其附接到根部并且沿着颈部的一部分延伸。 此外,形成涡轮机械刀片的方法包括提供材料层压体的步骤; 提供刀片插入件; 缠绕层压体以插入以形成具有根部部分的叶片,从根部延伸的颈部部分和从颈部部分延伸的翼型部分; 并且提供固定在根部周围的护套和从根部延伸的颈部的一部分,护套具有这样的形状,以防止由于作用在刀片上的离心力在临界点处层压体的分层。
    • 5. 发明申请
    • Laminated turbomachine airfoil with jacket and method of making the airfoil
    • 具有夹套的层压涡轮机翼型和制造翼型的方法
    • US20050260078A1
    • 2005-11-24
    • US11061313
    • 2005-02-18
    • Brian PotterBrad CarterJohn Ryznic
    • Brian PotterBrad CarterJohn Ryznic
    • F01D5/28F01D5/30B63H1/20
    • F01D5/282F01D5/3007F01D5/3092
    • An improvement for a turbomachinery blade having an airfoil portion, a neck portion, and a root portion, the neck portion extending from the root portion, and the airfoil portion extending from the neck portion, and the root portion being tear-drop shaped, includes a jacket attached to the root portion and extending along a portion of the neck portion. Additionally, a process of forming a turbomachinery blade includes steps of providing a laminate of a material; providing a blade insert; wrapping the laminate around to insert to form a blade having a root portion, a neck portion extending from the root portion, and an airfoil portion extending from the neck portion; and providing for a jacket secured around the root portion and a portion of the neck portion extending from the root portion, the jacket having such shape as to prevent delamination of the laminates at a critical point due to centrifugal force acting on the blade.
    • 具有翼型部分,颈部和根部的涡轮机叶片的改进,颈部从根部延伸,并且从颈部延伸的翼型部分和泪滴形状的根部包括 护套,其附接到根部并且沿着颈部的一部分延伸。 此外,形成涡轮机械刀片的方法包括提供材料层压体的步骤; 提供刀片插入件; 缠绕层压体以插入以形成具有根部部分的叶片,从根部延伸的颈部部分和从颈部部分延伸的翼型部分; 并且提供固定在根部周围的护套和从根部延伸的颈部的一部分,护套具有这样的形状,以防止由于作用在刀片上的离心力在临界点处层压体的分层。
    • 6. 发明授权
    • Tailored attachment mechanism for composite airfoils
    • 复合翼型的定制附件机构
    • US06857856B2
    • 2005-02-22
    • US10646257
    • 2003-08-22
    • Brian PotterBrad Carter
    • Brian PotterBrad Carter
    • F01D5/28F01D5/30
    • F01D5/3007F01D5/282F01D5/3092Y02T50/672Y02T50/673
    • A turbine engine composite blade attachment mechanism is provided, including a blade having an airfoil section, a neck section, and a root section. The root section includes a continuous loop integral with the blade and branching out from the neck section to completely surround a root insert. The blade includes a plurality of fibers which extend from the airfoil section through the neck and around the core. The root section and neck are enveloped by a jacket having a thickness which increases from the distal side surface of the loop to the neck portion, and has an inner contour substantially aligned with the proximal side surface contour of the loop and the core. The jacket and root are disposed inside a rotary disk cavity such that when tensile loading is applied, the neck width is maintained and compressive transverse loads may be applied to the fibers to prevent lamination thereof.
    • 提供了一种涡轮发动机复合叶片附接机构,包括具有翼型部分,颈部和根部的叶片。 根部分包括与叶片一体的连续环,并从颈部分出,以完全包围根部插入物。 叶片包括多个纤维,其从翼型部分延伸穿过颈部并围绕芯部延伸。 根部和颈部由具有从环的远端侧表面增加到颈部的厚度的护套包围,并且具有基本上与环和芯的近侧表面轮廓对齐的内轮廓。 护套和根部设置在旋转盘腔内,使得当施加拉伸载荷时,保持颈部宽度并且可以将压缩的横向载荷施加到纤维上以防止其层压。