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51. 发明授权

US07182518B2 Bearing assembly and method for manufacturing the same 有权
标题翻译：轴承组装及其制造方法
公开(公告)号：US07182518B2
公开(公告)日：2007-02-27
申请号：US11044294
申请日：2005-01-28
申请人： Dai Gil Lee , Dong Chang Park , Seong Min Lee , Byung Chul Kim , Hak Sung Kim , Sung Su Kim , Jong Woon Kim
发明人： Dai Gil Lee , Dong Chang Park , Seong Min Lee , Byung Chul Kim , Hak Sung Kim , Sung Su Kim , Jong Woon Kim
IPC分类号： F16C25/04
CPC分类号： F16C9/04 , F16C11/0633 , F16C33/201 , F16J1/22 , Y10T403/32631
摘要： The present invention discloses a bearing assembly capable of assuring mechanical strength and reducing a friction coefficient and stress concentration, and a method for manufacturing the same. The present invention comprises a spherical journal and a hemispherical bearing that is made of a fiber reinforced composite and has a bearing surface for establishing a spherical pair with the spherical journal. The fiber reinforced composite can be constructed by arranging a uni-directional prepreg, woven fiber prepregs and staple-fiber prepregs in a variety of configurations, and thermoplastic resin particles or self-lubrication particles are uniformly provided on the bearing surface. It is possible to alleviate stress concentration generated on the bearing surface by forming a plurality of air channels capable of imparting directivity on an outer surface of the hemispherical bearing.
摘要翻译：本发明公开了一种能够确保机械强度并降低摩擦系数和应力集中度的轴承组件及其制造方法。本发明包括球形轴颈和半球形轴承，该轴承由纤维增强复合材料制成并且具有用于与球形轴颈建立球形对的支承表面。纤维增强复合材料可以通过以各种构造布置单向预浸料坯料，编织纤维预浸料坯料和短纤维预浸料坯而构成，并且热塑性树脂颗粒或自润滑颗粒均匀地设置在轴承表面上。通过形成能够赋予半球形轴承的外表面方向性的多个空气通道，可以减轻在轴承表面上产生的应力集中。

52. 发明授权

US06863763B2 Hybrid propeller shaft made of metal and composite material and method of manufacturing the same 有权
标题翻译：由金属和复合材料制成的混合式螺旋桨轴及其制造方法
公开(公告)号：US06863763B2
公开(公告)日：2005-03-08
申请号：US10429155
申请日：2003-04-30
申请人： Dai Gil Lee , Jin Kook Kim , Hak Sung Kim , Jong Woon Kim
发明人： Dai Gil Lee , Jin Kook Kim , Hak Sung Kim , Jong Woon Kim
IPC分类号： F16C3/02 , B65H81/00
CPC分类号： F16C3/026
摘要： The propeller shaft comprises a transmission shaft 10 consisting of a hollow metal tube 11 with excellent torque transmissibility and a composite material prepregs 12 having higher specific stiffness than a metal material and stacked to the inner surface of the metal tube, and metal yokes 40 mounted on both ends of the transmission shaft and assembled with other devices. The composite material prepregs is co-cure bonded while applying an axial compressive preload to the transmission shaft and creating a vacuum in a space between a vacuum bag inserted in the transmission shaft and the composite material prepregs of the transmission shaft. Teeth 43 or embossments 44, and adhesive-retaining grooves 45 are formed on inner surfaces of the metal yokes, so the transmission shaft is desirably compression-fitted into the metal yokes. Accordingly, the propeller shaft has advantages of securing improved impact, abrasion, and water resistance.
摘要翻译：传动轴包括由具有优良扭矩传递性的中空金属管11和与金属材料相比具有比金属材料更高的比刚度的复合材料预浸料12组成的传动轴10，并且堆叠在金属管的内表面上，金属轭40安装在传动轴的两端，并且与其它设备组装。复合材料预浸料在将轴向压缩预载荷施加到传动轴上并在插入传动轴的真空袋与传动轴的复合材料预浸料之间的空间中产生真空时共同固化粘合。在金属轭的内表面上形成有齿43或凸起44以及粘合剂保持槽45，因此希望将传动轴压配合到金属轭中。因此，传动轴具有确保改善的冲击，磨损和耐水性的优点。

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