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1. 发明授权

US5129687A Swivelling conduit, in particular for the air-conditioning system of the passenger space of a motor vehicle 失效
标题翻译：特别是电动汽车乘客空间调节系统的变速箱
公开(公告)号：US5129687A
公开(公告)日：1992-07-14
申请号：US602293
申请日：1990-11-16
申请人： Wolfgang Scheidel , Jurgen Stenger , Albert Van Wijhe
发明人： Wolfgang Scheidel , Jurgen Stenger , Albert Van Wijhe
IPC分类号： B60H1/00 , F16K1/16
CPC分类号： B60H1/00678 , F16K1/16 , B60H2001/00707
摘要： A swivelable conduit is suggested which serves to deflect the air to be guided to the passenger space of a motor vehicle. The conduit comprises two pivot mountings which are flush with one another and are arranged at a distance from one another at a stationary structural element, preferably at the wall of an air duct; the pivot mountings comprise a bearing bush connected with one of the two elements and a bearing pin connected with the other element and in which the two bearing elements are provided with shoulder surfaces and counter-shoulder surfaces, respectively, which face one another and which define a relative movement of the two bearing elements which is directed in the direction of the swivel axis, and the bore hole wall surface of every bearing bush guides the two structural elements radially relative to the swivel axis in cooperation with an outer surface area of the bearing pin assigned to it. In order to eliminate in a simple, economical manner the axial play, which is very difficult to eliminate in these pivot mountings, as well as the radial play, which can only be prevented at a high cost, at least one of the surfaces of the bearing elements cooperating with one another comprises at least one elastically deformable portion which, in the relaxed state, projects over the contour which it occupies in the installed state, and accordingly in the tensioned state.
摘要翻译： PCT No.PCT / DE89 / 00311 Sec。 371日期1990年11月16日 102（e）日期1990年11月16日PCT提交1989年5月17日PCT公布。出版物WO89 / 11980 日期为1989年12月14日。建议可旋转导管，用于将要引导的空气偏转到机动车辆的乘客空间。导管包括两个枢转安装件，它们彼此齐平并且在静止的结构元件处优选地在空气管道的壁处彼此间隔一定距离设置; 枢转安装件包括与两个元件中的一个连接的轴承衬套和与另一个元件连接的轴承销，并且两个轴承元件分别设置有彼此面对的肩部表面和相对肩部表面，并且限定两个轴承元件相对于旋转轴线方向的相对运动，并且每个轴承衬套的钻孔壁面与轴承的外表面区域相配合地相对于旋转轴径向引导两个结构元件引脚分配给它。为了以简单，经济的方式消除在这些枢转安装件中非常难以消除的轴向游隙以及只能以高成本防止的径向游隙，至少一个表面彼此配合的轴承元件包括至少一个弹性变形部分，其在松弛状态下突出在其在安装状态下占据的轮廓上，并因此在张紧状态下突出。

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