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1. 发明授权

US4872531A Marine stern drive with through-housings lubrication system 失效
标题翻译：海底船尾驱动带有通过外壳的润滑系统
公开(公告)号：US4872531A
公开(公告)日：1989-10-10
申请号：US160587
申请日：1988-02-26
申请人： Gary L. Meisenburg , Francis E. Bertram , Jack L. Golz
发明人： Gary L. Meisenburg , Francis E. Bertram , Jack L. Golz
IPC分类号： B63H20/00 , B63H21/38 , F16L37/32 , F16L37/40 , F16N23/00 , F16N29/02
CPC分类号： B63H20/002 , F16L37/32 , F16N29/02 , B63B2770/00 , Y10T137/789 , Y10T137/87957
摘要： A marine stern drive unit (1) includes an assemblage of a propeller-carrying drive shaft housing (10), a bell housing (9) and gimbal housing (8). Mating flow-through passages (21, 23) are disposed in the drive shaft housing and bell housing, and a dual control valve system (30, 31) joins the passages at their juncture. The valve system is arranged to be open when the two housings are assembled, but closes automatically when the housings are disassembled to retain lubricant in the separate housing assembles when the latter are separated for servicing. The valve system includes a valve (31) in one of the passages (23) which is constructed to be snapped together and to be held firmly within the passage, but manually and quickly releasable therefrom when desired. The fluid passage (23, 26) in the bell housing communicates to the gimbal housing which has a sealed fitting (60) and a lubricant carrying portion (65) passing through the usual gimbal mounting hole (14) of the boat transom (2). An inboard container (71) connected to the gimbal housing passage (66) permits inspection of the level and condition of the lubricant. The container has a one-way valve (78) therein which prevents outward leakage of lubricant fluid, but which permits sucking back of lubricant into the system during engine cooling.
摘要翻译：海洋船尾驱动单元（1）包括螺旋桨传动驱动轴壳体（10），钟形壳体（9）和万向节壳体（8）的组合体。配合流通通道（21,23）设置在驱动轴壳体和钟罩壳体中，双重控制阀系统（30,31）在其接合处连接通道。阀系统布置成当两个壳体组装时打开，但当壳体被拆卸时自动关闭，以便当分离的壳体组件中的润滑剂分离用于维修时。阀系统包括一个通道（23）中的一个阀（31），其被构造成卡扣在一起并牢固地保持在通道内，但是当需要时可手动地并且快速地从其中释放。钟罩壳体中的流体通道（23,26）与具有密封配件（60）和通过船尾板（2）的通常的万向节架安装孔（14）的润滑剂承载部分（65）的万向节壳体连通，。连接到万向节壳体通道（66）的内侧容器（71）允许检查润滑剂的水平和状况。容器在其中具有单向阀（78），其防止润滑剂流体的向外泄漏，但是允许在发动机冷却期间将润滑剂吸回到系统中。

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