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    • 4. 发明授权
    • Device for coating hollow workpieces by gas diffusion
    • 用于通过气体扩散涂覆中空工件的装置
    • US5439525A
    • 1995-08-08
    • US50271
    • 1993-05-07
    • Lothar PeichlHeinrich Walter
    • Lothar PeichlHeinrich Walter
    • C23C10/06C23C14/24C23C16/00
    • C23C10/06
    • A device for coating hollow workpieces made of heat-resistant alloys, such as Ni, Co or Fe base alloy via gas diffusion is provided. The outer and inner surfaces of the workpieces are linked with one another by bores. The workpieces are arranged in a container which is located in a processing chamber. The workpiece holders are arranged at a geodetically low height with respect to a donor metal body. The donor metal body made of granulates, sintered metal or compact metal completely surrounds the outer surfaces of each workpiece to be coated while maintaining a gap. The device is suitable for the inner and outer coating of power unit blades with cooling air bores.
    • PCT No.PCT / EP91 / 02039 Sec。 371日期:1993年5月7日 102(e)日期1993年5月7日PCT 1991年10月29日PCT PCT。 出版物WO92 / 08821 日期:1992年5月29日。一种用于通过气体扩散来涂覆由Ni,Co或Fe基合金等耐热合金制成的中空工件的装置。 工件的外表面和内表面通过孔相互连接。 工件布置在位于处理室中的容器中。 相对于施主金属体,工件保持件布置在地质低的高度。 由颗粒,烧结金属或致密金属制成的供体金属体完全围绕待涂覆的每个工件的外表面,同时保持间隙。 该装置适用于具有冷却空气孔的动力单元叶片的内外涂层。
    • 7. 发明授权
    • Method for the powder pack coating of hollow bodies
    • 中空体粉末包装方法
    • US5215785A
    • 1993-06-01
    • US788093
    • 1991-11-05
    • Michael StrasserHeinrich WalterHorst Pillhoefer
    • Michael StrasserHeinrich WalterHorst Pillhoefer
    • C23C10/34
    • C23C10/34
    • A method for the powder pack coating of hollow structural components is performed with spherical powder particles of a donor metal in which the hollow component is embedded. During the embedding, the component is subjected to a tumbling motion about several spatial axes to fill all cavities in the component. After the powder pack coating process the cavities of the component are cleared of any excess powder particles under the action of a gas stream. This method is suitable especially for coating engine blades having cooling ducts and cooling air holes, such as turbine blades. The effect of the forced air flow through the internal cavities for the removal of excess powder out of the hollow component is enhanced by simultaneously vibrating the component.
    • 中空结构部件的粉末包装涂布方法是用嵌入中空部件的供体金属的球形粉末颗粒进行的。 在嵌入期间,组件经受围绕几个空间轴的滚动运动以填充部件中的所有空腔。 在粉末包装涂布过程之后,组分的空腔在气流的作用下被清除任何多余的粉末颗粒。 该方法尤其适用于具有冷却管道和冷却气孔的发动机叶片,例如涡轮叶片。 通过内部空腔的强制空气流动,通过同时振动组件来增强通过中空部件去除多余粉末的效果。