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1. 发明授权

US5782607A Replaceable ceramic blade insert 失效
标题翻译：可更换的陶瓷刀片刀片
公开(公告)号：US5782607A
公开(公告)日：1998-07-21
申请号：US763915
申请日：1996-12-11
申请人： Blair A. Smith , James Cook , Joseph L. Mattavi , Harry E. Eaton
发明人： Blair A. Smith , James Cook , Joseph L. Mattavi , Harry E. Eaton
IPC分类号： B64C11/20 , B64C11/26
CPC分类号： B64C11/205 , C25D7/00
摘要： An apparatus for protecting the leading edge of an aerodynamic blade such as a propeller blade and more particularly to an apparatus for improving the maintainability of the leading edge protective sheath. In the preferred embodiment, a protective sheath made of a ductile material of sufficient hardness material such as titanium, stainless steel, nickel or a nickel alloy is attached to the leading edge of a propeller blade. The protective sheath has an interior surface that complements the leading edge of the underlying propeller blade material, while the exterior surface of the sheath is optimized to achieve an efficient dynamic profile for the propeller blade. The protective sheath is further modified so that a harder material such as ceramic can be secured to the surface of the protective sheath along its leading edge at the tip end of the propeller blade wherein erosion rates are highest.
摘要翻译：一种用于保护诸如螺旋桨叶片的空气动力学叶片的前缘的装置，更具体地涉及一种用于提高前缘保护护套的可维护性的装置。在优选实施例中，由螺旋桨叶片的前缘安装由诸如钛，不锈钢，镍或镍合金的足够硬度材料的延性材料制成的保护套。保护套具有与下面的螺旋桨叶片材料的前缘互补的内表面，同时外壳的外表面被优化以实现螺旋桨叶片的有效的动态特性。保护套被进一步修改，使得诸如陶瓷的更硬的材料可以沿其螺旋桨叶片的尖端处的前缘固定到保护套的表面，其中侵蚀速率最高。

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